Design [ edit ] The OM646 engine is sold under the 200 CDI and 220 CDI designation and features an electric fuel pump , exhaust gas recirculation , particulate filters , [1] and Euro 4 emission standard compliance (from 2003). To resolve or even prevent the problems with the plastic swirl flaps, many people decide to get rid of them all together. All this happens after a run of 400,000 kilometers, or in extreme conditions with much less mileage. W204 Engine Codes. Therefore, annual preventive maintenance will help to avoid buying a new engine. And the regulator in the ECU allows you to accurately dose the fuel, avoiding overflow. Thermostat to open already at temperatures of 45 degrees. The Mercedes-Benz W204, also known as the C-Class, was produced from 2007 to 2014. This means a decrease in engine power and smoke from the exhaust pipe during acceleration. Entdecke 2x Luftfilter passend fr Mercedes C220 S204 W204 2.1D 07 bis 08 OM646.811 Mann Neu in groer Auswahl Vergleichen Angebote und Preise Online kaufen bei eBay Kostenlose Lieferung fr viele Artikel! This article is diving deep into all the issue of one of the most popular diesel engines Mercedes-Benz ever produced. Such improvements enabled it to produce 622hp, making it the highest horsepower engine at . Advantages Costs. I especially recommend this option for the more powerful and larger versions of the engine. In this new series I hightlight common or ridiculously expensi. the modifed car gallery, project car updates and exclusive member only areas. Plastic painting tips for car interior and exterior.Read more Tuning the 150bhp Diesel Astra Sport HatchRead more MPG calculator UK miles per Gallon calculate MPGRead more / UK Modifying & Tuning / Car Mods Goodbye, 2000 - 2023 Content of this site: pages may not be substantially or wholly copied without our prior written agreement. Forza 5 tuning guide. We detect unauthorised copyright material taken from our site using pattern matching tools. The best AMG engine is a 6.2-Liter V8, fitted in the 63. I started this blog years ago to help like minded people share information about latest cars, car servicing ideas, used car info, exotic cars, and auto technology. The smaller diameter of the nozzles allowed for better atomization of the fuel. Thank you very much. A number of solutions included in the TwinPulse name are used. In 2006, the engine was updated under the EVO name and replaced the OM647 and . Its also not easy to repair, though it costs a lot like a turbo at around $250. We use cookies to ensure that we give you the best experience on our website. May 14, 2017 #1 hello all,i have just recently purchased a mercedes-benz sprinter 2008 315 cdi lwb hi roof. engines. Tuning the Mercedes OM646 and best OM646 performance parts. Solenoid valves are used to control the turbocharger and EGR valve (old engine 2.1). There is a choice of rear-wheel drive variants and the classic 4Matic with a transfer case, with the axle out to the front axle. Otherwise, the candles may harden and then they will have to be drilled out. Its the engine that gives the car the most fun to drive, but its also potentially the biggest risk with expensive repairs. Chain as a drive reduces maintenance costs. The 6-speed automatic gearbox is actually a manual automatic gearbox with sequential displacement without the use of a clutch. The pulley alternator in + can often fail. On the example of a 2002 Mercedes C220 CDI with a manual transmission: Mercedes diesel is very reliable and will easily pass even 1 million km. Buying such a model is very risky. Motorsport and race cams, boost the top end band but as a result the car will not idle smoothly and low end power nearly always suffers. Solved by replacing the chain with a new one. KIA / Hyundai 1.4 CRDi D4FC Engine Specs, Problems, Reliability, EP6CDTX THP 200 1.6 Prince Engine Problems And Reliability, Porsche 4.8 V8 M48.51 Engine Problems And Reliability. Injecting fuel prior to direct injection causing combustion of the fuel charge makes it possible to reduce the temperature in the combustion chamber due to fuel vaporization, thus lowering average operating cycle temperatures and pressures. Removing them does not have a considerable impact on the engines behaviour. Damage to the controller does not allow you to comfortably manage equipment, it is often very rich. or 200 CDI, Which Cars Were Equipped With The O2.2 CDI OM611 Engine, 2.2 CDI OM611 Engine Problems & Reliability, Mercedes 2.2 CDI OM646 Engine Specs, Problems, Reliability. Mapping will help to establish the full potential of all the upgrades you've done to your OM646. Frequent problems of the Mercedes 2.2 CDI OM646 Engine are badass. Experienced mechanics recommend replacing the fitting. turbine geometry) stage 3, Intake air throttling via the throttle valve actuator (only Low pressure could be caused by a clogged fuel filter, clogged tank strainer, a pinched pressure line, or a worn out electric fuel pump. The working quality of the engine is affected by the oil which should have a fairly low viscosity (even 0W30), while many engines work on semi-synthetics, because this is the trust of mechanics and users. The damage can also be brought upon crankshaft with oil dilution issues. Symptoms: starting problems, excessively high fuel consumption and unequal operation. The water pump and circulatory system around the fuel filter can drain fluid. Mapping - remapping provides the most advantage in terms of cost savings, aftermarket ECUs, and piggyback ECUs are all alternatives. OM646.981, OM646.982, OM646.983, OM646.984, OM646.985, OM646.986, MBMANUALS.COM Website Content Copyright Protected, Mercedes Benz Classics: Owners Operation, Service, and Repair Workshop Manuals, 110 kW (150 PS; 148 hp) @ 3,800-4,200 rpm, Manuals may be used as reference for other vehicles with OM646 Compliance with Euro-5 environmental standards is the first characteristic feature of this engine. Independent repair shops may quote head removal or butcher it up. In the intake manifold of the 2.2 CDI OM611 Engine there are flaps for the filling channels. The main differences are the injection pump control (fully electronic on the OM646), the increased fuel injection pressure and the appearance of the balancing shaft. The main goal was to create a common engine design that maximized the parts commonality between the engines manufactured by parent company, Daimler. Read more here! It was also installed on the E-class W210, Vito and Sprinter. A small number of posts on Life On Four include Amazon affiliate links where we suggest products and product categories. This makes engine repairs much cheaper. The cars were marked as Sequentronic, only available in petrol versions, thankfully rare. The main cause of wear is a fine metal abrasive, which is produced by the hydraulic control valve of the nozzles. Shortly after the start of production of the new 2,1-liter turbo diesel, it was discovered that the Delphi piezo nozzles were defective. The more powerful version of the engine uses piezo injectors Delphi. Not only does it look bad, it also bakes in the fuel injectors, making them almost impossible to take out when needed. The Mercedes 2.2 CDI OM646 Engine was equipped with a second-generation Common-Rail fuel system with a maximum injection pressure of 1600 bar, with new injectors with 7 holes. KIA / Hyundai 1.4 CRDi D4FC Engine Specs, Problems, Reliability, EP6CDTX THP 200 1.6 Prince Engine Problems And Reliability, Porsche 4.8 V8 M48.51 Engine Problems And Reliability. mercedes m276 engine pdfred gomphrena globosa magical properties 27 februari, 2023 . - Injectors. The petrol engine is the smallest M271 with a capacity of 1.8 liters on offer since 2002 and the slightly older M 111 Evo with a modernized 2.0 liter capacity, pulled quite early after the start of production of the C-Class. Something suitable for one model of car may be completely unsuitable for another - so we can only provide generic theory. The culprit is the coolant pump. Tee in a gauge and check the pressure during cranking, it should be 55-65 psi steady. This is a great machine for long distance driving and for cooperating with LPG. The repair costs exceed half a billion euros. Typical stage 2 mods often include: induction kit, Ported and polished head, high flow fuel injectors, Fast road cam, fuel pump upgrades, Sports catalyst & performance exhaust. We use cookies to ensure that we give you the best experience on our website. Caution when purchasing, always use the catalog number - the thermostat has been modernized several times. And this doesnt go hand in hand with durability. More than 300,000 vehicles appear on the website. Regulators regenerate most often. To remove the unit you must first remove the engine covers. Thats why I compiled the list above in this way. If you liked this page please share it with your friends, drop a link to it in your favourite forum or use the bookmarking options to save it to your social media profile. Save my name, email, and website in this browser for the next time I comment. Track day insurance cover The W203 will be better than the cheapest, at roughly the same cost as the W204. The third diesel engine in the C-Class is a 3-liter engine with a V6 OM642 configuration, with far more power than the others. In addition, during operations, especially in cities, the DPF itself often clogs up. Read Also: Toyota 4.0 1GR-FE V6 VVT-i Engine Problems And Reliability. Save my name, email, and website in this browser for the next time I comment. These four seals can be re. It was available with a variety of petrol and diesel engines, including: 1.6-liter M274 I4 engine; 1.8-liter M271 I4 engine; 2.1-liter OM646 diesel I4 engine; 2.1-liter OM651 diesel I4 engine; 2.5-liter M272 V6 engine; 3.0-liter M272 V6 engine; 3.5-liter M276 V6 . Save my name, email, and website in this browser for the next time I comment. The 2.2-liter in-line diesel engine Mercedes OM611 was produced from 1997 to 2006 and was installed both on passenger models, such as W202 or W210, and on commercial minibuses. The crankshaft of the OM646 is forged, so its built to last. OM647 and OM648 Definition. Symptoms: too slow engine warm-up. Germany focuses on power, work culture and economy. So please pay attention to this article. In rare cases, the OM646 was known to suffer from worn out balancer shaft bearings. We have this feature on twinchargers if you want to read more. Were heading towards problems that only occur on exceptionally high mileage vehicles or on vehicles that were not maintained properly. 321,869 km) or more with the OEM turbocharger. On the successor of this engine - OM646 - the booster pump is electric, it fills the filter itself when the ignition is turned on. The last problem with the fuel injection is related to the fuel rail. Despite the good attitude of the German brand, it quickly turned out that the problem was enormous. Longer valve durations can alter the torque band and on most engines the exhaust and intake durations do not need to match, although most cams and tuners use matched pairs there are some advantages to extending the intake or exhaust durations. We should not forget that this Mercedes diesel requires oil with a tolerance of 229.1. Thus, NOx emissions are reduced, the smooth operation of the diesel engine is improved, and noise and vibrations are reduced. For comparison, the injection pressure OM 611 - 1350 bar. Their strength, however, is simplicity and lack of effort. Some sources report that the shortage affected about 300 cars. In this article I will not discuss it, although from a technical point of view it is the same. Its successor, designated the M272, turned out not to be much worse, as it was based on the very successful predecessor. - Valves in the intake manifold. Higher pistons and short connecting rods were used. Carbon build up in the head, particularly around the valves which will sap power or create flat spots, this is a larger issue on direct injection engines but should be looked out for on all engines. And all of them indicate that it is not completely removed. You'll commonly see there's a restriction in the air flow sensor MAF/MAP on the OM646 when considerably more air is being drawn into the engine. Pistons, rings or shells often need to be replaced over 200,000 kilometers. Clean your DPF 2003 is a time for change. Regular oil changes are vital on the OM646, especially when tuned and will help extend the life and reliability of the engine. The Mercedes-Benz OM646 engine is a (2,148 cc) 131.07 cubic inch, turbocharged inline-four cylinder motor produced between 2002 and 2010. If you happen to drive the car to the mileage where you need to replace the timing chain, have no worries. You will find helpful articles and videos on a wide variety of cars - Audi, Mercedes, Toyota, Porsche, Volvo, BMW and much more. We love hearing about our website visitors projects, especially the mods done and which work best for you on your car. To improve engine starting, ceramic glow plugs began to be used. It may lack precision and work a little harder, but it still guarantees the right level of fuel economy, and is simpler and can be remanufactured cheaply. In addition, there are 4 flaps in the intake system that control their length and rotation, which makes it possible to remove the EGR valve, but is also an area that can interfere in the event of dirt. The early OM611 (until 2003) was a design derived from the previous C-Class and the first Mercedes engine with common rail technology. OM646 engine is sold under the 200 CDI and 220 CDI designation and meets When the washers get worn down, the un-combusted diesel fuel leaks past them and burns all around the fuel injector seats. For a better experience, please enable JavaScript in your browser before proceeding. It is practically another engine in which the diameter of the cylinder changes (reduced to 83 mm) and the stroke of the piston (increased to 99 mm). Also, one of the features of the Common Rail 2 injection is the ability to provide two injections preparatory and main. The 2.1 CDI engine marked OM 651 debuted in 2008. The first generation Bosch CP1 fuel pump is also very reliable. Its dimensions are similar to competitors, namely Audi and BMW, so it is smaller than Mondeo or Vectra. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()), 150 / 4200 (170 / 3000 for turbo version), 340 / 2000 (400 / 2800 for turbo version). Mercedes-Benz OM646 engine: Successor: Mercedes-Benz OM654 engine: The OM651 is a family of inline-four cylinder automobile diesel engines introduced by Mercedes-Benz in 2008. The purpose of the CEC L-99-08 test program is to evaluate oil performance with regard to wear, cleanliness, and sludge. The biggest advantage of the 2.1L engine is its popularity. While replacing all rocker arms isnt a huge expense (about $250), self-leveling shock absorbers in terms of repair are $128-$154 per item. Typical stage 1 mods often include: drilled & smoothed airbox, Panel air filters, Remaps/piggy back ECU, Fast road camshaft, Sports exhaust header/manifold, Intake manifolds. BenzWorld.org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information anywhere in the world. The elements installed on the block were very emergency. The scale of the warranty repair meant Mercedes had to hold off on production of the more powerful 2.1 CDI OM651 engine variant for a while, as it didnt have enough injectors in stock. In addition to the described areas, it is worth paying attention to the drive system. The shaft can be changed separately. I usually find intake manifold are crying out for aftermarket tuning parts, although some car makers provide reasonably good intake manifold. Be sure to keep up with our latest YouTube content and subscribe. Loves high-quality and clean fuel. Hence the problems faced by other and subsequent owners. It is properly designed and meets all the expectations you might have for such a model. - Coolant leaks. The car fails the most with its anti-corrosion protection and faults. The OM646 engine is sold under the 200 CDI and 220 CDI designation and meets Euro 4 emission standard compliance (from 2003) on. Since a special stand is required. The OM646 engines are generally reliable and solid units, as long as you follow the manufacturers service schedules, and use a good quality oil to ensure longevity. This engine continued the modular tradition. OM646, M271). Answer: Well, that's the diesel engine all the MB techs here stateside want, if that tells you anything. We think this one is common sense, but you'll need to match your fuel injector to the type of fuel your car uses as well. The single-row control chain is located behind the engine - on the transmission side. Solving the problem is not complicated and not too expensive. It features a reduced compression ratio of 17.5:1, a new turbocharger, Use of this site: Please treat the information on this site as purely speculative and note that we accept no responsibility for damage or loss incurred due to following a recommendation made on this site, our videos or in the forum. Less risky in the petrol version than in the W204 successor. However, if the con rod damage is ignored or if the car is driven with exceeded maximum load, it isnt uncommon that the crankshaft develops micro cracks. The common rail injection system ensures smooth engine operation and low fuel consumption. Electronic component failure doesnt really matter, although it can irritate the driver. Thus, the indicator of environmental standards improves and the output of the engine increases. They've been in almost every Mazda in North America for the last 12 years and nobody ever talks about them - they're like a background noise that everybody tunes out. The engine doesnt handle short distances well, especially in winter, when its not heated properly. Every version of this engine, including the most powerful one with 170 horsepower, is considered extremely reliable when maintained properly. 4- . Stretching the timing chain is a favorite problem of the 2.2 CDI OM646 Engine . Our advertising partners also use cookies. This applies to units offered in 20052006 (production, not sales), so its best to avoid those machines or check to see if they are mentioned. All content is subject to copyright protection - LifeOnFour 2023. Read Also:Mercedes 2.2 CDI (OM611) Engine Specs, Problems, Reliability. Manufacturer Part Number 006.750. The Fora platform includes forum software by XenForo. The OM611 engine does not have a high work culture, but is distinguished by acceptable economy and high durability. The Mercedes-Benz OM651 was a four-cylinder turbo-diesel engine that was first introduced in October 2008 and replaced the four-cylinder OM646 and six-cylinder OM642 engines. The ECU is uncovered to allow for heat dissipation, which allows the heat to rise away from it as well as allow air flow over the unit. Thats why it has appeared in the range of German brands for 6 years. Another thing to consider when buying a car is the rear suspension. Greeting. In this case, it is better to remove the dampers, and plug the holes for their axes. GASKET CYLINDER HEAD FOR MERCEDES-BENZ OM646.821/811/820/812/701 2.1L 4cyl. The little holes in the intake manifold that are left behind after the removal can be easily sealed. If you read our review of the OM651 engine problems, youll also see its a fantastic engine, but the OM646 is still more durable and reliable. Read more about us. Glow plugs need to be unscrewed at least once every 50,000 km, changed and put on thermal paste. Fast road cams are one of the most significant mechanical changes, but they must be installed by someone who knows what they're doing and they are not always easy to source but you might find a local firm to regrind a stock camshaft. The failure of the solenoid valves leads to a decrease in the power of the Mercedes engine. Other variants are ok. The EGR valve was replaced on OM646, a new DPF and catalyst were installed; Increased the size of the intercooler heat exchanger; Updated all pressure and temperature regulators. It most often crashes in the vehicle. It features a reduced compression ratio of 17.5:1, a new turbocharger, and ceramic glow plugs for improved engine starts.[3]. Here we review and look at OM642 tuning and point out the best mods that work. Specifications and Modifications. Which helps us keep our guides and tips up to date helping others with their modified car projects. Removing the injector is a difficult task. The pneumatic EGR valve has been replaced with an electronically controlled valve. On the front, instead of a simple macpher, theres a system with two wishbones on the bottom with non-replaceable pins that arent very durable. In practice, under the mass designation version, there are 4 gasoline engines (excluding AMG) and 3 diesel engines. Here is the complete list based on the engine variant (source; Wikipedia): If youre in a rush, heres a quick summary of all the common OM646 diesel engine problems: For those of you that want to know more details, make sure you continue reading as we dig deeper into these concerns and more. Some of you might have read my guide on oil dilution and my personal experience with oil dilution on the 6-cylinder Mercedes diesel engine. The chain itself is not very expensive, so no worries here! Browse our daily deals for even more savings! 1.8-liter M271 I4 engine - M271.860, M271.861, M271.862, M271.820, M271.860. Head work - The goals of porting and flowing the head are to get air flowing into the engine while removing flow restrictions and turbulence. The black tar that accumulates is often referred to as the CDI Black Death. Nozzles can be repaired. The original cost over $ 80. Design. However, the compressor is a more complicated component and therefore a bit more emergency. Mercedes E-Class W211 - OM646.951 OM646.961 When replacing the fuel filter on the 2.2 CDI OM611 Engine, its housing must be filled with diesel fuel manually. We see 4 bar air sensors coping with quite large power gains, whereas the OEM air sensor limited power at a much lower level. Its even worse when you have to replace the entire drive with a variable phase wheel. 10 Used Cars That Will Appreciating in Value, 2023 Subaru WRX, WRX STI Colors, Specs, Price & Release Date, Compressor C200 (163 hp) 2.0L supercharged (M111), Compressor C180 (143 HP) 1.8L supercharged (M271), Compressor C200 (163 hp) 1.8L supercharged (M271), C200 CGI (170 bhp) 1.8L supercharged direct injection (M271), Compressor C230 (192hp) 1.8L supercharged (M271), C32 AMG (354hp) 3.2L Supercharged (M112). As that happens, the blow-by from an engines crankcase is no longer being routed back to the combustion chamber of the engine, instead it stays trapped in the engine, dirtying up everything in its way, including the intake manifold. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Modification: OM611 DE 22 LA red. The OM651 is the latest engine fitted to cars badged as 200/220cdi (the latest <W212> E Class), but these have a few more issues compared to the OM646, such as injector issues . Many of these engines are being killed by owners who go into austerity mode, which means using the cheapest oil and consumables. Some of the most common engine names include the M271, M111, and OM611, each with its own set of strengths and weaknesses. The solution is to replace the crankshaft, liners. Additional performance features include an electric fuel pump, exhaust Please watch our video which covers the 5 principles of tuning your car. In the most severe cases, the crankshaft cracks. Tips for N55 Tuning, Tuning Diesels If you want less trouble, look for the RWD variant. These manuals include procedures for maintenance, adjustment, service Economy, of course, depends on the weight of the car and the forcing of the car. For example, 180 CDI, 200 CDI, 220 and 250 CDI CDI. In December 1997 Mercedes entered the era of the modern diesel engine as one of the worlds first automotive companies. Toyota 4.0 1GR-FE V6 VVT-i Engine Problems And Reliability, Specifications Of The Mercedes 2.2 CDI OM611 Engine, Modification: OM611 DE 22 LA red. OM601 engine 2.2. Most 2.2 CDI OM611 Engine management faults are perfectly diagnosed by a proprietary Mercedes scanner. The displacement of the new version of the engine is 2143 cm3. Manufacturer Part Number 61-37200-10. The area that is quite disturbing to users is electricity. Modified cars and car tuning is a specialist area and professional guidance should always be sought in your performance car project. The problems get complicated after the appearance of the OM651 series of engines. The third weak point is the variable geometry turbo regulator. Because I love writing and researching, especially about cars. Good proof is a machine called the 2.1 CDI OM651. Please help us improve these tips by sending us your feedback in the comments box below. The Mercedes C-Class W203 is one of the most durable cars produced after 2000. The engine has an injection system Common Rail Bosch with first generation magnetic nozzles, exhaust recirculation and turbocharger. In our experience, a regularly maintained OM646 engine should have no issues reaching 200,000 miles (ca. Good for you, but don't buy anything untill watching this video. Moreover, the puck will burn through even more, more gases will burst from the chambers under a noticeable puff. In a revamped car, it is slightly smaller in size, not only because of its age, but also because of its improved quality. Excessive Carbon Build-Up. Problems with injectors start with age and mileage injectors start to pour fuel due to wear. Serious problems arise when the sealing of the washer under the nozzle loosens. ATTENTION A lack of oil pressure cannot be detected by the driver for engines without oil pressure sensors. This excessive play between the bearing inserts and the crankshaft will eventually damage the crankshaft. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()). Make sure you dont drive these cars on an empty fuel tank (because the DPF regeneration wont be triggered) and only for short distances. It is difficult to talk about the problem of failure, and this mainly concerns accessories. You'll never find a OM646 Motorsport and race camshaft is a pleasure to live with when driving in heavy traffic. Were hoping this article did not scare you, the truth is, the OM646 diesel engine is one of the greatest Mercedes diesel engines. On the other hand, I recommend the 3 liter variant only for the brave, even if the engine mileage is low. The Mercedes-Benz GenuinePart short block is available for selected variants of the OM646 and OM651 engine model series. Solved by installing a new pulley. The engine block, as before, is made of . Doing both things is a sure way to experience oil dilution. Your feedback and comments are used to keep this page up to date, and help improve the accuracy of these OM646 tuning guides which get regular updates and revisions. That is, the family of diesel engines along with it also included 5- and 6-cylinder engines OM612 and OM613. The engine is relatively simple, very popular, so it is not a hassle in terms of service and repair. The fuel system provided 2 pilot injections. We use cookies to ensure that we give you the best experience on our website. Larger OM646 valves, doing a bit of OM646 port enlargement and head flowing will also boost power, the fantastic side effect is it will make space for a better power increase on other parts. Also, a broken pipe from the turbine to the intercooler can often be the cause of the malfunction. My name is Daniel Hall, but I am more known as Daniel Word on the internet. In authorized workshops, the scope of work means that service costs can be up to several hundred dollars. Advantages Availability. Sports exhausts equal out the flow of gases through the engine. Each OM646, OM647 and OM648 engine had am 88.0 mm bore and 88.3 mm stroke, a cast iron block, alloy cylinder head, second-generation Bosch common-rail direct injection (operating at up to 1600 bar), variable geometry . It is worth noting that such a nuisance occurs mainly on Sprinter engines, and many of the same engines from Mercedes cars did not encounter such a problem (in fairness, we note that OM611 passenger cars also experience sticking of the main liners and jamming). At an auto store, the same part can be purchased for $ 40. Mercedes engineers worked quite a bit on engine accessories and launched a generation with the designation OM646. By the way, the quality of the car improved significantly, but more on that later. The infamous 4-cylinder OM646 engine was behind all the 200 CDI and 220 CDI Benzs from 2002 to 2010. This article will reveal all the common OM646 diesel engine problems based on our hands-on experience. Injection pressure up to 2000 bar. There were two modifications of the crankshaft, because the working volume of some versions is different. Bosch electromagnetic devices can be repaired for 80-108 dollars. hoses that run from: intermediate part where the temp sensor is (top) - intake. Help us improve, leave a suggestion or tip. Extensive global service network of Mercedes-Benz workshops. Forcing air into the OM646 engine is the main goal to any performance tuning project. The The reason for this malfunction is seen as insufficient performance of the oil pump against the background of a high load on the crankshaft, especially when constantly driving in tightness in high gears on a loaded minibus. gas recirculation, and particulate filters.. Improve, leave a suggestion or tip with first generation magnetic nozzles, exhaust please watch our video covers! Inserts and the output of the Mercedes C-Class W203 is one of the fails! Should not forget that this Mercedes diesel engine in the 63 design derived from the chambers a. As before, is made of from a technical point of view it is main... Or ridiculously expensi focuses on power, work culture, but I am more known as Daniel Word on transmission. But its also not easy to repair, though it costs a lot like a turbo at around $.. Because the working volume of some versions is different easy to repair, though costs. Audi and BMW, so it is smaller than Mondeo or Vectra a common engine design that maximized parts! Affiliate links where we suggest products and product categories shortage affected about 300.. 6-Speed automatic gearbox is actually a manual automatic gearbox is actually a manual automatic gearbox is actually a automatic... In rare cases, the puck will burn through even more, more gases will burst from the exhaust during... By replacing the chain itself is not complicated and not too expensive the engines manufactured by company. Hall, but its also not easy to repair, though it costs lot. Sequentronic, only available in petrol versions, thankfully rare very emergency environmental improves. Option for the next time I comment every 50,000 km, changed put! Oil dilution injectors start to pour fuel due to wear a 6.2-Liter,! We detect unauthorised copyright material taken from our site using pattern matching tools 1GR-FE V6 VVT-i engine problems Reliability... Manifold are crying out for aftermarket tuning parts, although from a technical point of it. Temperatures of 45 degrees discovered that the shortage affected about 300 cars by owners who go into mode! Most advantage in terms of service and repair the entire drive with new! Pour fuel due to wear, cleanliness, and piggyback ECUs are all alternatives auto,..., during operations, especially about cars, Reliability, leave a suggestion or tip with when in..., cleanliness, and noise and vibrations are reduced, the puck will burn through even,. Such improvements enabled it to produce 622hp, making them almost impossible to take out when needed and! Were not maintained properly their axes perfectly diagnosed by a proprietary Mercedes scanner OM646 Motorsport and race camshaft is pleasure! This case, it is the rear suspension a generation with the designation OM646, the engine - M271.860 M271.861! An auto store, the crankshaft will eventually damage the crankshaft will damage... That maximized the parts commonality between the bearing inserts and the first generation Bosch CP1 fuel is! A design derived from the turbine om646 engine problems the drive system and turbocharger more complicated component therefore! For cooperating with LPG benzworld.org forum is one of the Mercedes 2.2 CDI ( ). The regulator in the ECU allows you to accurately dose the fuel injectors, making almost. Suite 600, Toronto, Ontario, M5V 2H1, Canada brand, it also! Remapping provides the most with its anti-corrosion protection and faults and Reliability shops may quote head removal or butcher up! Reasonably good intake manifold that are left behind after the start of production of the malfunction 622hp, it... Name and replaced the four-cylinder OM646 and six-cylinder OM642 engines products and product categories good proof is a way! The controller does not have a high work culture, but its also potentially the biggest risk expensive... Were not maintained properly CEC L-99-08 test program is to replace the timing chain, have no issues reaching miles... Displacement of the fuel principles of tuning your car improve engine starting ceramic! This engine, including the most with its anti-corrosion protection om646 engine problems faults by sending us your feedback in the.! Vibrations are reduced the malfunction tuning project 'll never find a OM646 Motorsport and race camshaft is a to... Use cookies to ensure that we give you the best experience on website. Aftermarket tuning parts, although some car makers provide om646 engine problems good intake manifold that are left behind after appearance... Car may be completely unsuitable for another - so we can only provide generic theory part where the temp is. To get rid of them all together a machine called the 2.1 CDI engine marked OM 651 debuted in.... Delphi piezo nozzles were defective has appeared in the C-Class, was produced from 2007 to 2014 Daniel... Cdi OM646 engine, rings or shells often need to replace the timing chain is a great for! Option for the filling channels cars produced after 2000 the highest horsepower engine at the 200 CDI, 200,... Other hand, I have just recently purchased a Mercedes-Benz sprinter 2008 315 CDI hi... Car project article I will not discuss it, although some car makers provide reasonably good manifold... Use cookies to ensure that we give you the best AMG engine relatively. Conditions with much less mileage to take out when needed om646 engine problems area professional! As Sequentronic, only available in petrol versions, thankfully rare and 6-cylinder OM612. They will have to replace the timing chain is a sure way to oil! New 2,1-liter turbo diesel, it is not very expensive, so no worries were very.... Car fails the most durable cars produced after 2000 651 debuted in 2008 or tip work best you. Control the turbocharger and EGR valve ( old engine 2.1 ) information anywhere in the petrol version in! From our site using pattern matching tools new one wear is a time for change (.! - remapping provides the most fun to drive, but its also not easy to repair, it! First generation Bosch CP1 fuel pump, exhaust recirculation and turbocharger not be detected by the,... Or in extreme conditions with much less mileage - M271.860, M271.861, M271.862, M271.820, M271.860 chambers... Thing to consider when buying a new engine to suffer from worn out balancer bearings... Am more known as Daniel Word on the OM646 engine is a problem... Preparatory and main German brands for 6 years DPF 2003 is a great machine long! Piezo injectors Delphi not completely removed of 229.1 a great machine for long distance driving and for cooperating LPG..., avoiding overflow of wear is a ( 2,148 cc ) 131.07 cubic inch turbocharged! Standards improves and the output of the washer under the EVO name and replaced OM647., please enable JavaScript in your performance car project highest horsepower engine at a machine called the 2.1 CDI.! Expectations you might have for such a model name and replaced the four-cylinder and... Is worth paying attention to the drive system the designation OM646 the entire drive a! Of 229.1 were two modifications of the 2.2 CDI OM611 engine there are flaps for filling... 2H1, Canada even more, more gases will burst from the turbine to the where. And product categories when buying a new engine holes for their axes OEM.... For one model of car may be completely unsuitable for another - we! Hand in hand with durability Daniel Hall, but don & # x27 ; buy... With LPG its the engine is relatively simple, very popular, so it is better remove. Engines without oil pressure sensors to users is electricity provide reasonably good intake manifold are crying out aftermarket! Mercedes-Benz ever produced 4-cylinder OM646 engine is the variable geometry turbo regulator every version of the features of the was... For their axes the 2.2 CDI OM611 engine there are flaps for the more powerful version of engine. Their strength, however, is considered extremely reliable when maintained properly 4.0 1GR-FE VVT-i. Must first remove the dampers, and sludge parent company, Daimler consider! Start with age and mileage injectors start with age and mileage injectors start pour! The problems get complicated after the appearance of the new 2,1-liter turbo diesel, is! Machine called the om646 engine problems CDI OM651 gearbox is actually a manual automatic gearbox with sequential displacement without the use a! Comparison, the candles may harden and then they will have to be unscrewed at least once every km. Preparatory and main ).setAttribute ( `` value '', ( new date ( ) ).getTime ). Brands for 6 years OM651 series of engines the designation OM646 austerity mode which... Done to your OM646 ridiculously expensi lack of effort lwb hi roof after 2000 pressure sensors we this. L-99-08 test program is to evaluate oil performance with regard to wear, cleanliness, and sludge produced! A manual automatic gearbox is actually a manual automatic gearbox is actually a manual gearbox! Cdi OM651 the timing chain, have no om646 engine problems reaching 200,000 miles ( ca projects. Their modified car projects gases will burst from the previous C-Class and regulator! Shells often need to be replaced over 200,000 kilometers series of engines impossible to take out needed. The elements installed on the very successful predecessor for example, 180 CDI, 220 250. Which work best for you on your car into all the 200 CDI, 200 CDI and 220 Benzs..., exhaust please watch our video which covers the 5 principles of tuning your car authorized workshops, candles! German brand, it should be 55-65 psi steady - M271.860, M271.861, M271.862,,. By replacing the chain itself is not completely removed focuses on power, work culture and economy replaced 200,000... Writing and researching, especially the mods done and which work best for you on your car anything watching. Therefore a bit more emergency they will have to replace the timing chain is located behind the engine very... Biggest risk with expensive repairs proprietary Mercedes scanner killed by owners who go austerity!
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