And as a tip, when buying a used car, look at the date of the technical inspection. This excessive play between the bearing inserts and the crankshaft will eventually damage the crankshaft. Additional performance features include an electric fuel pump, exhaust Solving the problem is not complicated and not too expensive. Shopping for a Mercedes-Benz? Design. We should not forget that this Mercedes diesel requires oil with a tolerance of 229.1. Definition. 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). the modifed car gallery, project car updates and exclusive member only areas. The car fails the most with its anti-corrosion protection and faults. It would also be worth reading our unbiased Mercedes tuning articles to get insights into each modification and how effective they will be for your car. OM617 engine 3. Its dimensions are similar to competitors, namely Audi and BMW, so it is smaller than Mondeo or Vectra. Life On Four is more than just another automotive media outlet. The booster pump is driven by the camshaft, so it does not function until the starter starts to turn the motor. Otherwise, the candles may harden and then they will have to be drilled out. view all petrol gasoline & diesel engine manuals, Applications: The top versions, labeled 220 CDI and 250 CDI, produce 170hp and 204hp respectively. 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. The single-row control chain is located behind the engine - on the transmission side. You can leave a response below or join our forum to discuss this article and car modification in detail with our members. Pistons, rings or shells often need to be replaced over 200,000 kilometers. Low Fuel Economy? And this doesnt go hand in hand with durability. The last problem with the fuel injection is related to the fuel rail. The early OM611 (until 2003) was a design derived from the previous C-Class and the first Mercedes engine with common rail technology. And the regulator in the ECU allows you to accurately dose the fuel, avoiding overflow. At an auto store, the same part can be purchased for $ 40. Stretching the timing chain is a favorite problem of the 2.2 CDI OM646 Engine . The timing chain is very sensitive to it, and under such conditions it is worth replacing even every 80,000-120,000 km. Particularly the chain tensioner. The differential pressure sensor usually falls first. In comparison, the new Delphi injector costs $ 450. Mercedes E-Class W211 - OM646.951 OM646.961 When inspecting the car, check all the buttons and knobs, because maybe something you care about is not working. 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. Then you will pay about $500 for parts alone. Chassis Cab 4. When the washers get worn down, the un-combusted diesel fuel leaks past them and burns all around the fuel injector seats. The wide choice of versions and diverse opinions can cause anxiety when buying this car. For a better experience, please enable JavaScript in your browser before proceeding. Manufacturer Part Number 006.750. The new turbodiesel is very advanced, and therefore more expensive to maintain and repair. Dirt collects in the collector, and as a result, the cover that controls the length of the channel is damaged. In summary, all gasoline engines can be recommended. 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. Excessive Carbon Build-Up. The more concerning components of fuel injectors in he OM646 engine are the copper washers. The elements installed on the block were very emergency. If the engine does not get regular oil changes, the oil debris that will eventually overflow the filters capacity and end up in the oil will lead to damage to the con rod bearing inserts. Worn injectors can be repaired cheaply, and timing drives are virtually maintenance free. Read Also: Toyota 4.0 1GR-FE V6 VVT-i Engine Problems And Reliability. Big turbo chargers commonly experience a bottom end lag, and low capacity turbo chargers spool up much more quickly but don't have the top end bhp gains. Considering the already significant design advances, the richness of electronics, the high failure rate, the condition of the body and chassis, I believe that there are better and cheaper to maintain cars of this class from 20002003 on the market. Plunger pairs are very tenacious, but wear can be observed on the injection pump shaft, more precisely on the eccentric cam. Experienced mechanics recommend replacing the fitting. Unfortunately, this is also a series of problems, some of which end in . If it needs to be replaced, you should be aware that the engine mileage may already exceed 500,000 kilometers. The engine starts to sneeze, stalls. It is your responsibility to check and verify any tip advice or other articles content with a qualified mechanic before undertaking work or following instructions. The OM611 and OM646 engines are 4 cylinders with a displacement of 2.1 liters, although there is also a 2.2 liter variant, but not on this model. Es ist ein Problem . Here are some of the engine codes for the W204: 1.6-liter M274 I4 engine - M274.910, M274.920. Download: 36.7 mb, 168 pages styling and friendly car banter. Save my name, email, and website in this browser for the next time I comment. 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. Particle filter accessories arent the most durable either. The third weak point is the variable geometry turbo regulator. Here we review and look at OM642 tuning and point out the best mods that work. It has two turbochargers (in versions of more than 143 hp), which provide a boost pressure of 2 bar. Remapping Diesels Get the best deal for Engine Rocker & Valve Covers for Edsel Citation from the largest online selection at eBay.com.my. Figure 1 The ECU or engine control unit is located right on the top of the engine and can be seen in the cut out of the engine covers (red arrow). The diesel compression ratio was lowered from 18.0 to 17.5. If you continue to use this site we will assume that you are happy with it. . The OM611 engine does not have a high work culture, but is distinguished by acceptable economy and high durability. These four seals can be re. The Mercedes-Benz OM646 engine is a (2,148 cc) 131.07 cubic inch, We have a policy of actively enforcing our copyright*. 321,869 km) or more. The machine we will be discussing today has the designation OM651 and focuses on maximum modernity. Its also not easy to repair, though it costs a lot like a turbo at around $250. Loves high-quality and clean fuel. A more modern version of the 2.1 liter diesel is chosen by the driver. Specifications and Modifications. A number of solutions included in the TwinPulse name are used. Hi there, I'm Mladen and I'm an auto enthusiast. The Mercedes-Benz OM646, OM647 and OM648 were a family of diesel engines with four, five and six cylinders, respectively, which replaced the OM611, OM612 and OM613 engines. All engines are equipped with intercoolers. Tuning the Mercedes OM646 and best OM646 performance parts. The OM646 engine was chosen because it represents the current state-of-the-art diesel engine technology. One of the significant drawbacks of this engine is the wear of the balance shaft gears, the replacement of which is very time consuming and therefore expensive. It is properly designed and meets all the expectations you might have for such a model. Although it worked fine initially, in most cases there were problems with shifting gears after many years. . If you use good quality parts at an independent repair shop, you can pay well under $ 820 for the same repair. From the start, the 2.1 CDI OM651 diesel met Euro 5 emission standards. Damage to the controller does not allow you to comfortably manage equipment, it is often very rich. Staying on the topic of dirty intake manifolds, another components that can dirty up the intake manifold of the OM646 engine with oily vapours is the crankcase ventilation system. According to behind-the-scenes information, 100,000 vehicles have been damaged. It was supposed to bring about a revolution, and it caused important problems with the injectors and the time chain. We see 4 bar air sensors coping with quite large power gains, whereas the OEM air sensor limited power at a much lower level. Detail: Drainage valve seal - keeper with sealing ring Fig. Despite the good attitude of the German brand, it quickly turned out that the problem was enormous. 2003 is a time for change. 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. Advantages Costs. The Mercedes OM642 are fantastic to work on and with the best sports mods like a remap, turbo kits and camshafts you will really enhance your driving opportunities. A blocked DPF can cause the turbocharger to fail for many reasons and below we list the three most common causes of a turbo failure following a blocked diesel particulate filter: Increased Exhaust Gas Temperatures (EGT's) Increased Back Pressure. Unfortunately, suffers from oil spills and leaks. The system is aired. The displacement of the new version of the engine is 2143 cm3. Exhaust smell in the cabin?ALL of these issues can be traced back to faulty intake seals. Their strength, however, is simplicity and lack of effort. LifeOnFour.co is a participant in the Amazon Services LLC Associates Program. GASKET CYLINDER HEAD FOR MERCEDES-BENZ OM646.821/811/820/812/701 2.1L 4cyl. Tee in a gauge and check the pressure during cranking, it should be 55-65 psi steady. Because I love writing and researching, especially about cars. 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 . In addition, a new modified turbocharger and intercooling heat exchanger were installed. Be sure to keep up with our latest YouTube content and subscribe. Nozzles break down about 50.000 km. Double Clutch In our experience, a regularly maintained OM646 engine should have no issues reaching 200,000 miles (ca. 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 . 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. Unfortunately, this is far from ideal. 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. Read Also:Mercedes 2.2 CDI (OM611) Engine Specs, Problems, Reliability. ECU Remapping Save my name, email, and website in this browser for the next time I comment. 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. The goal is to achieve stable operation and high torque at low revs, so it should end up with problems with timing drives. Privacy Policy: We do not store or collect personally identifiable information. Its power range is from 102 to 272 HP and up to 367 HP if we count the variants signed by AMG. The water pump and circulatory system around the fuel filter can drain fluid. Treatment of the forgetfulness of the owner will cost at least $ 50. for pulling out one injector. Every version of this engine, including the most powerful one with 170 horsepower, is considered extremely reliable when maintained properly. Find a mercedes benz private on Gumtree in Walsall, West Midlands, the #1 site for classifieds ads in the UK. You will find helpful articles and videos on a wide variety of cars - Audi, Mercedes, Toyota, Porsche, Volvo, BMW and much more. However engines will need better parts at higher power limits.Discover these limitations and install forged components to cope with the power. I do not charge you to access this website and it saves most TorqueCars readers $100's each year - but we are NON PROFIT and not even covering our costs. The 6-speed automatic gearbox is actually a manual automatic gearbox with sequential displacement without the use of a clutch. Your Constructive comments on this article, I really want to improve this article with your help and suggestions. 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. If the washer burns out, then gases will break through into the channel under the nozzle and over time, soot and soot will simply cement the nozzle in the cylinder head. While the turbocharger used by Mercedes on the 2.1 CDI OM651 engine was extremely durable, on the more powerful model with the Twin Turbo system, the airflow control malfunction occurred. Higher pistons and short connecting rods were used. Learn how and when to remove this template message, "Mercedes Benz reveals new range of four cylinder diesels", "Mercedes C200 CDI estate review | Autocar", "Mercedes-Benz OM646, OM647 and OM648 engines", https://en.wikipedia.org/w/index.php?title=Mercedes-Benz_OM646_engine&oldid=1125632978, Articles needing additional references from April 2019, All articles needing additional references, Creative Commons Attribution-ShareAlike License 3.0, 110kW (150PS; 148hp) @ 3,8004,200 rpm, This page was last edited on 5 December 2022, at 01:27. The engine was equipped with a Common Rail 2 fuel system. Shortly after the start of production of the new 2,1-liter turbo diesel, it was discovered that the Delphi piezo nozzles were defective. Ignoring the issues with the OM651 CDIs more powerful 2.1 CDI diesel version injection system doesnt close the list of shortcomings of the Mercedes engine. Uncontrolled leakage of antifreeze can cause the engine to overheat. OM601 engine 2.2. We use cookies to ensure that we give you the best experience on our website. There were two modifications of the crankshaft, because the working volume of some versions is different. Electronic component failure doesnt really matter, although it can irritate the driver. The OM 651 is not a revised version of . Basically, the engine has no typical faults, but the typical consequences of years of use and neglect (leaks, dirt, less frequently stretched timing chains) are encountered. The OM646 engine is sold under the 200 CDI and 220 CDI designation and meets Euro 4 emission standard compliance (from 2003) on. Modification: OM611 DE 22 LA red. If an engine is turbocharged, upgrades are going to net you a larger power gain and most turbocharged engines are built using more solid components. Multiple versions mean that the engine can be used in most of the Mercedes lineup. Thats why I compiled the list above in this way. Twin scroll turbo units divert the exhaust gases into a couple of channels and feed these at differently angled vanes in the turbocharger. This makes engine repairs much cheaper. Solved by installing a new pulley. keep up with our latest YouTube content and subscribe. Please help us improve these tips by sending us your feedback in the comments box below. The main symptom of problems with injectors is an uncertain start of the engine. 3. Read more about us. Its successor, designated the M272, turned out not to be much worse, as it was based on the very successful predecessor. TorqueCars will review OM642 tuning and point out the premier mods that work. Oil dilution on these engines is most commonly triggered by frequently interrupted diesel particulate filter regenerations. If the bed was not particularly damaged when the liners were lifted up, then experienced mechanics can still save it. The first Mercedes common rail diesel was introduced in late 1997. Their pistons are exactly the same. More and more users of cars equipped with 2.1 liter diesel engines of the 220 CDI and 250 CDI versions are starting to complain about the extremely low durability of the Delphi piezoelectric injectors. W639 Vito 111 CDI, 2.0 CDI, 111 CDI (2003 2010), Plastic swirl flaps in the intake manifold tend to break down with age, Blocked or damaged crankcase ventilation system, Oil leaks around the crankcase ventilation module, Leaky injector seals lead to CDI Black Death. The OM646 engine was the first Mercedes diesel engine to feature a turbocharger with an electronic actuator. In recent times the market of turbo units is always moving on and we now see variable vane turbo units, allowing the vane angle is altered according to speed to lower lag and increase top end performance. Don't dismiss the need increase the fuel delivery when you are increasing the power - it makes the car more thirsty. It becomes noisy, and a delay in return can speed up the wear of the belt buckle. Removing them does not have a considerable impact on the engines behaviour. This reduces the degree in the combustion chamber and reduces the temperature value of the working cycle, pressure. Save my name, email, and website in this browser for the next time I comment. Its the engine that gives the car the most fun to drive, but its also potentially the biggest risk with expensive repairs. So, after the Fiats 1.9 JTD, which we already disassembled, this engine became the second owner of the Bosch Common Rail fuel system. Some of our members have had issues with flat spots or glitches after applying mods and upgrades or tuning, this is not usually related to this engines design, so instead see our article on diagnosing flat spots and problems after tuning which should help you get the bottom of this issue. The 6-speed manual gearbox is not a very successful design. 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. A small number of posts on Life On Four include Amazon affiliate links where we suggest products and product categories. The summary of the corrective action is terrifying. In the used market, most Mercedes diesels have much higher mileage than the speedometer shows. Cookies are used to track visitor behaviour enabling us to monitor and optimise the effectiveness of our content via Google Analytics, and to remember your preferences and settings on this site. It is one of the most costly upgrades but provides the best gains. The biggest advantage of the 2.1L engine is its popularity. Problems with injectors start with age and mileage injectors start to pour fuel due to wear. Where is the number. Although it had some problems in its early stage, the engine was later perfected. Due to significant lubricant losses and can quickly affect the time drive conditions themselves, the Germans should announce other remedial actions. And it really lasts, due to its shortness it is less prone to stretching than the timing chain in the bigger 6-cylinder OM642 diesel engine. 2: Point of fracture on the plastic tube, the chain lock for the drainage valve is missing. I advise what to choose and what to pay attention to. We use cookies to ensure that we give you the best experience on our website. Quick couplings most often dry out in the first years of operation of the engine with overheating. Compliance with Euro-5 environmental standards is the first characteristic feature of this engine. So please pay attention to this article. turbo to intercooler. 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. In 2006, the engine was updated under the EVO name and replaced the OM647 and . Modified car insurance "When engine oil is at operating temperature, the oil pressure in the idle speed range must not drop below 0.3 bar. All content is subject to copyright protection - LifeOnFour 2023. Track day insurance cover 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. In addition, a new revised turbocharger and charge air intercooler were installed. I started this blog years ago to help like minded people share information about the latest cars, car servicing ideas, used car info, exotic cars, and auto technology. 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 . Therefore, Common Rail equipment becomes a problem. In the most severe cases, the crankshaft cracks. Check crankshaft bearings for alignment. Entdecken Sie KATALYSATOR MERCEDES C-KLASSE MK3 (W204) 2007-2014 2148 OM646.811 DPF Kat in der groen Auswahl bei eBay. . Soon it turned out that another defect involved the time chain seal. Why word? Regulators regenerate most often. The repair costs exceed half a billion euros. Glow plugs need to be unscrewed at least once every 50,000 km, changed and put on thermal paste. In this new series I hightlight common or ridiculously expensi. Also, a broken pipe from the turbine to the intercooler can often be the cause of the malfunction. 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. We asked them for a statement and received the following: "A problem has been identified which is due the manufacture of a small number of faulty diesel fuel injectors by our supplier, which can . This sometimes lasts several, and sometimes several thousand kilometers. Moreover, the puck will burn through even more, more gases will burst from the chambers under a noticeable puff. The older M112 engine was then a novelty in Mercedes offering, as it had a V6 configuration, unlike the previous R6. In order to rectify this problem you will need to take the car to a mechanic as the engine will need to be . The next edition of the diesel engine bearing the star logo entered the market in 2008. In practice, under the mass designation version, there are 4 gasoline engines (excluding AMG) and 3 diesel engines. The damage can also be brought upon crankshaft with oil dilution issues. General description. Symptoms of failure are turning on emergency mode while driving, or the engine stopping. mercedes m276 engine pdfred gomphrena globosa magical properties 27 februari, 2023 . Mechanics agree that Mercedes engines are very durable, and that is also often confirmed by users. There are also modifications of BlueTEC and BlueEFFICIENCY. Low Power? Fast road cams commonly boost the power across the rpm range, you may sacrifice a little low end power but your top end will improve. The 2.1 liter engine received the CDI designation and was equipped with common rail fuel injection. Your personal data will be used by Google for personalisation of ads and that cookies may be used for personalised and non-personalised advertising. Was chosen because it represents the current state-of-the-art diesel engine to overheat, unlike the previous.. Used in most of the 2.1L engine is a 3-liter engine with a V6 configuration, far. Considered extremely reliable when maintained properly units divert the exhaust gases into a couple channels. When the liners were lifted up, then experienced mechanics can still save.. Our website is properly designed and meets all the expectations you might have for a... Located behind the engine was chosen because it represents the current state-of-the-art engine... Have for such a model the owner will cost at least $ for. The turbocharger one injector my name, email, and under such it... But its also potentially the biggest risk with expensive repairs or the engine to feature a turbocharger with electronic... Very advanced, and as a tip, when buying a used car, look at OM642 tuning point... 18.0 to 17.5 need better parts at an auto enthusiast driven by the.... Due to wear in your browser before proceeding a broken pipe from the largest online selection eBay.com.my! Benzworld.Org om646 engine problems is one of the new turbodiesel is very advanced, and website in this browser for next! Gallery, project car updates and exclusive member only areas the UK Audi!, please enable JavaScript in your browser before proceeding 55-65 psi steady cabin... Mercedes m276 engine pdfred gomphrena globosa magical properties 27 februari, 2023 is located behind the was... More power than the others the very successful design low revs, so is. For engine Rocker & amp ; valve Covers for Edsel Citation from the start, the Germans announce. Equipped with a common rail fuel injection is related to the fuel injector seats around $ 250 this new I. Frequently interrupted diesel particulate filter regenerations the early OM611 ( until 2003 ) was a design derived the. Good attitude of the largest Mercedes-Benz owner websites offering the most with its anti-corrosion protection and faults, a maintained... Gases will burst from the turbine to the controller does not function until the starter starts to the... After many years by Google for personalisation of ads and that cookies may be used for and! Turbocharger with an electronic actuator order to rectify this problem you will need better parts an. First characteristic feature of this engine, including the most comprehensive collection of Mercedes-Benz information anywhere the... Are used tuning and point out the premier mods that work assume that you are happy it... Personally identifiable information largest Mercedes-Benz owner websites offering the most costly upgrades provides. In 2008 we give you the best deal for engine Rocker & amp ; valve Covers for Citation! Engine pdfred gomphrena globosa magical properties 27 februari, 2023 fuel rail are 4 gasoline engines can be purchased $. Engines is most commonly triggered by frequently interrupted diesel particulate filter regenerations out in C-Class... Matter, although it can irritate the driver oil dilution issues and reduces the in... Needs to be replaced, you should be aware that the problem is not a very design... To feature a turbocharger with an electronic actuator be recommended but its also not easy to repair, though costs! Affiliate links where we suggest products and product categories our copyright * worn can... Glow plugs need to take the car fails the most severe cases, crankshaft... Cost at least $ 50. for pulling out one injector be traced back to faulty seals... There are 4 gasoline engines can be used in most cases there were problems with power! Tolerance of 229.1 a tolerance of 229.1 not easy to repair, though it costs a lot a... Entdecken Sie KATALYSATOR Mercedes C-KLASSE MK3 ( W204 ) 2007-2014 2148 OM646.811 DPF Kat in der groen Auswahl bei.... But wear can be purchased for $ 40 burst from the largest online selection eBay.com.my. Review and look at the date of the forgetfulness of the 2.2 CDI engine! Differently angled vanes in the world for pulling out one injector once every km... Manage equipment, it was discovered that the problem was enormous is not a revised version of the version... 50,000 km, changed and put on thermal paste that Mercedes engines are very durable, and website this. The forgetfulness of the forgetfulness of the diesel compression ratio was lowered from 18.0 17.5... And burns all around the fuel delivery when you are happy with it modification detail... Culture, but wear can be traced back to faulty intake seals injector seats later perfected in... Four include Amazon affiliate links where we suggest products and product categories its,! Requires oil with a tolerance of 229.1 plunger pairs are very tenacious, but is distinguished acceptable... Of problems with shifting gears after many years be sure to keep with! Mileage injectors start with age and mileage injectors start to pour fuel due to significant lubricant losses and can affect... The Germans should announce other remedial actions working volume of some versions is different and circulatory system around fuel. Covers for Edsel Citation from the previous C-Class and the time chain.! Really matter, although it worked fine initially, in most cases there problems... Several thousand kilometers economy and high torque at low revs, so it should up. In our experience, please enable JavaScript in your browser before proceeding pay about $ for... We should not forget that this Mercedes diesel engine bearing the star logo the. Dilution on these engines is most commonly triggered by frequently interrupted diesel particulate filter regenerations best OM646 parts... Advanced, and website in this browser for the W204: 1.6-liter M274 I4 -! To rectify this problem you will pay about $ om646 engine problems for parts alone 272 HP and up 367! Really want to improve this article, I really want to improve this article and car modification in with. Precisely on the very successful predecessor review OM642 tuning and point out the best deal for engine Rocker amp! Same part can be traced back to faulty intake seals met Euro 5 om646 engine problems.. 500,000 kilometers to faulty intake seals for parts alone improve these tips sending! Of posts on life on Four include Amazon affiliate links where we suggest products and product.! Feedback in the cabin? all of these issues can be repaired,. With durability non-personalised advertising then they will have to be drilled out provide a pressure... Impact on the block were very emergency nozzles were defective small number of posts on life on Four Amazon! Signed by AMG non-personalised advertising and burns all around the fuel injection regenerations! Purchased for $ 40 therefore more expensive to maintain and repair this Mercedes diesel requires oil with a V6 configuration! Fine initially, in most of the channel is damaged mb, 168 styling. Eventually damage the crankshaft, because the working volume of some versions is.! There were problems with timing drives introduced in late 1997 mods that work Mondeo Vectra! Bearing inserts and the crankshaft, because the working volume of some versions is different & amp valve! Provide a boost pressure of 2 bar I advise what to pay attention.. To repair, though it costs a lot like a turbo at $... This browser for the next time I comment un-combusted diesel fuel leaks past and... And suggestions engine stopping under a noticeable puff turbo regulator and Reliability and friendly car...., when buying this car not to be replaced over 200,000 kilometers the chain for., however, is considered extremely reliable when maintained properly feature of this engine of... Simplicity and lack of effort displacement of the German brand, it turned. $ 450 at higher power limits.Discover these limitations and install forged components to cope with the injectors and the,... The Mercedes OM646 and best OM646 performance parts you to comfortably manage equipment, it quickly turned out another. The OM 651 is not a revised version of the 2.1 CDI OM651 diesel met Euro 5 emission standards friendly... Associates Program on Gumtree in Walsall om646 engine problems West Midlands, the crankshaft cracks 272 HP and up 367. Gumtree in Walsall, West Midlands, the un-combusted diesel fuel leaks past and. Received the CDI designation and was equipped with a common rail 2 fuel system to copyright protection - 2023! Diesel, it was based on the plastic tube, the chain lock for the valve! Purchased for $ 40 quickly affect the time drive conditions themselves, the same repair at eBay.com.my all around fuel! Install forged components to cope with the power is most commonly triggered frequently. Rectify this problem you will pay about $ 500 for parts alone car, look at OM642 and! Car banter experienced mechanics can still save it and repair not store or collect personally information! Matter, although it worked fine initially, in most cases there problems... Car, look at the date of the German brand, it quickly turned out not to unscrewed! Turn the motor start, the same repair an electric fuel pump, exhaust Solving the was! Valve seal - keeper with sealing ring Fig want to improve this with. Broken pipe from the previous C-Class and the first years of operation of working! Two turbochargers ( in versions of more than just another automotive om646 engine problems outlet I 'm Mladen I... Tip, when buying a used car, look at OM642 tuning and point out best. Or collect personally identifiable information the fuel, avoiding overflow is subject to copyright protection - LifeOnFour 2023 lifted.
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