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. 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. 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. 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. Hi there, I'm Mladen and I'm an auto enthusiast. Definition. The best AMG engine is a 6.2-Liter V8, fitted in the 63. 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. Good for you, but don't buy anything untill watching this video. ! In a revamped car, it is slightly smaller in size, not only because of its age, but also because of its improved quality. Equipment failure is caused by mileage and wear. engines. Tips for N54 Tuning It's used in countless C, CLC, CLK, E-Classes as well as Vito, Viano and Sprinter. They are cheaper to maintain, but under more difficult conditions the 4Matic works just fine. This reduces the degree in the combustion chamber and reduces the temperature value of the working cycle, pressure. The durability of the structure itself is very high. 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. 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. Tuning . Save my name, email, and website in this browser for the next time I comment. The problems get complicated after the appearance of the OM651 series of engines. You will find helpful articles and videos on a wide variety of cars - Audi, Mercedes, Toyota, Porsche, Volvo, BMW and much more. The water pump and circulatory system around the fuel filter can drain fluid. Many of these engines are being killed by owners who go into austerity mode, which means using the cheapest oil and consumables. The common rail injection system ensures smooth engine operation and low fuel consumption. Another thing to consider when buying a car is the rear suspension. The main cause of wear is a fine metal abrasive, which is produced by the hydraulic control valve of the nozzles. 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. Make sure you dont drive these cars on an empty fuel tank (because the DPF regeneration wont be triggered) and only for short distances. Read Also:Mercedes 2.2 CDI (OM611) Engine Specs, Problems, Reliability. To finally solve the problem, starting in 2011 on motorcycles designated 220 CDI, and starting in 2012 on 250 CDI motorbikes, Mercedes began installing electromagnetic injection devices. The failure of the solenoid valves leads to a decrease in the power of the Mercedes engine. 2 and 3 connecting rods are deformed, liners wear out. There is enough space in the cabin for four adults and the sedans luggage compartment has a modest 455 liters of storage space. Solving the problem is not complicated and not too expensive. Remapping Diesels Upgrades to turbochargers and superchargers - forced induction is the most efficient approach to increase air supply, allowing you to burn more fuel and make more power. Depending on the purpose, the diesel engine was given a different commercial name. Stretching the timing chain is a favorite problem of the 2.2 CDI OM646 Engine . In December 1997 Mercedes entered the era of the modern diesel engine as one of the worlds first automotive companies. We have this feature on twinchargers if you want to read more. Although it worked fine initially, in most cases there were problems with shifting gears after many years. This excessive play between the bearing inserts and the crankshaft will eventually damage the crankshaft. All engines are equipped with intercoolers. NA (naturally aspirated) engines need quite a lot of work when you add a turbo, so we have a separate guide to help you take into account the pros and cons of going this route on your OM646. Sorry, in order to post a comment, you must be logged in. Repair costs around $ 135. 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). 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. . The part that deteriorates with time is the membrane of the crankcase ventilation system. Read more about us. - Coolant leaks. Mapping - remapping provides the most advantage in terms of cost savings, aftermarket ECUs, and piggyback ECUs are all alternatives. In addition, a new modified turbocharger and intercooling heat exchanger were installed. Therefore, Common Rail equipment becomes a problem. Mercedes, unfortunately, did not recommend it at first, but changed his mind in the following years. Here we review and look at OM642 tuning and point out the best mods that work. There are also modifications of BlueTEC and BlueEFFICIENCY. Design and rate of flow of the Intake can make a substantial difference to fuel atomisation and engine efficiency on the OM646. Symptoms of failure are turning on emergency mode while driving, or the engine stopping. Save my name, email, and website in this browser for the next time I comment. Few problems should happen as long as they are regularly serviced and maintained. Problems that have occurred in the latest OM 651 engines are related to Delphi fuel injectors (defective, already replaced) and coolant leaks. It was also installed on the E-class W210, Vito and Sprinter. The chain itself is not very expensive, so no worries here! document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()). Tips for N55 Tuning, Tuning Diesels The problem with plastic swirl flaps and the accompanying plastic rod controlling their movement is the material. We have tips on removing carbon build up. We use cookies to ensure that we give you the best experience on our website. Electronic component failure doesnt really matter, although it can irritate the driver. This issue is first identified by feeling small vibration on the clutch pedal, and if ignored it soon develops into knocking of the engine. Quick couplings most often dry out in the first years of operation of the engine with overheating. You can leave a response below or join our forum to discuss this article and car modification in detail with our members. Many owners unknowingly did not change the refractory washers under the nozzles. 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. The OM646 engine can be found in various Mercedes models made between 2002 and 2010. The OM646 is a turbocharged inline-four engine produced between 2002 and 2010 by Mercedes-Benz. The system is aired. 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. These four seals can be re. The plastic tends to break down with time, leading to breakage and potential serious engine problems if any plastic parts get sucked into the engine. 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. was updated under the EVO name and replaced the To find out more about how Google uses personal data when consent is given see Google Policies And see our privacy policies .com site .co.uk site for more information on steps taken to protect your data and how it is used. This entry was This sometimes lasts several, and sometimes several thousand kilometers. OM647 and OM648 Unfortunately, this is also a series of problems, some of which end in . [2] In 2006, the engine was updated under the EVO name and replaced the OM647 and OM648 engines. Unfortunately, this is also a series of problems, some of which end in service actions. Frequent problems of the Mercedes 2.2 CDI OM646 Engine are badass. The updated OM646 EVO has 90 parts replaced. It features a reduced compression ratio of 17.5:1, a new turbocharger, and ceramic glow plugs for improved engine starts.[3]. (In some cases, as the factory ECU is locked flashing is not an option, so an aftermarket ECU is the route to take, and many of these will outperform factory ECU's but make sure it has knock protection and that you get it setup properly.). This article will reveal all the common OM646 diesel engine problems based on our hands-on experience. A small number of posts on Life On Four include Amazon affiliate links where we suggest products and product categories. The Mercedes-Benz OM646 engine is a (2,148 cc) 131.07 cubic inch, turbocharged inline-four cylinder motor produced between 2002 and 2010. Mercedes-Benz Sprinter (W906) repair manual. On most factory exhausts you should find that the exhaust flow rate is still good even on modest power gains, but when you start pushing up the power levels you will need to get a better flowing exhaust. The top versions, labeled 220 CDI and 250 CDI, produce 170hp and 204hp respectively. Best Mercedes AMG Engine: 6.2-Liter V8. In order to rectify this problem you will need to take the car to a mechanic as the engine will need to be . Solved by installing a new pulley. Their strength, however, is simplicity and lack of effort. styling and friendly car banter. This article will reveal all the common OM646 diesel engine problems based on our hands-on experience. It features a reduced compression ratio of 17.5:1, a new turbocharger, It is difficult to talk about the problem of failure, and this mainly concerns accessories. Symptoms: too slow engine warm-up. Twin scroll turbo units divert the exhaust gases into a couple of channels and feed these at differently angled vanes in the turbocharger. Contrary to appearances, it is already a modern unit, it should not be treated as a Mercedes barrel. AMG vehicles from 2007 to 2014. When replacing the fuel filter on the 2.2 CDI OM611 Engine, its housing must be filled with diesel fuel manually. Alternator pulley failure is accompanied by noise. 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. Modified car insurance The new nozzles are made with a smaller nozzle size, which improves atomization efficiency. The engine was equipped with a Common Rail 2 fuel system. 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. Don't dismiss the need increase the fuel delivery when you are increasing the power - it makes the car more thirsty. More than 300,000 vehicles appear on the website. And this doesnt go hand in hand with durability. However, the compressor is a more complicated component and therefore a bit more emergency. If the engine speed does not rise above 3000 / min, then this indicates an emergency mode. Unfortunately, suffers from oil spills and leaks. The OM646 engine is sold under the 200 CDI and 220 CDI designation and meets Euro 4 emission standard compliance (from 2003) on. Which Mercedes-Benz Cars Had the OM646 Diesel Engine? You will find helpful articles and videos on a wide variety of cars - Audi, Mercedes, Toyota, Porsche, Volvo, BMW and much more. The OM646 units are great to work on and we're happy to report there are increasing numbers of upgrades and performance parts around. The older M112 engine was then a novelty in Mercedes offering, as it had a V6 configuration, unlike the previous R6. Entdecke KATALYSATOR MERCEDES C-KLASSE MK3 (W204) 2007-2014 2148 OM646.811 DPF Kat in groer Auswahl Vergleichen Angebote und Preise Online kaufen bei eBay Kostenlose Lieferung fr viele Artikel! We do this through well-researched buyer guides and common car problems. Well, the drive is located on the side of the gearbox. The swirl flaps can also get stuck due to excessive carbon accumulation in the intake manifold. The more air you can get into an engine, the more fuel it can burn and uprating the induction with a turbocharger upgrade makes massive power gains. The average consumption of the Mercedes C-Class with 143HP is about 7 l / 100 km. 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. Some OM646 engines respond better to more aggressive camshaft durations so view each engine as unique. Some OM646 engines respond better to more aggressive camshaft durations so view each engine as unique. The 2.1 CDI OM651 Mercedes engine stands for work culture, economy and high power. OM617 engine 3. If you continue to use this site we will assume that you are happy with it. Euro 4 emission standard compliance (from 2003) on. The OM611 engine does not have a high work culture, but is distinguished by acceptable economy and high durability. The larger petrol car family is also divided into the older (M112) and younger (M272), but here a change occurred with a facelift in 20042005. If you would like to know more, or just get some friendly advice on Tuning your OM646 engine please join us in our car forums where you can discuss OM646 tuning options in more detail with our OM646 owners. Sign up now!!! 20072009W204 C220 CDI. Due to its positioning, it makes it very easy to replace the chain. So, for the replacement, the whole machine had to be removed! The single-row control chain is located behind the engine - on the transmission side. Issues by Complectations or Trim Levels 3.1. Treatment of the forgetfulness of the owner will cost at least $ 50. for pulling out one injector. When the throttle is operated, the oil pressure must rise without any delay and be at least 3 bar at an engine speed of 3000 rpm." So at 3000rpm the oil pressure should be at least 3 bar. In addition, during operations, especially in cities, the DPF itself often clogs up. Customize a car Even in the early nineties, Mercedes diesel engines were in a class of their own. The first Mercedes common rail diesel was introduced in late 1997. The compression ratio is reduced to 16.2: 1. 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. All this happens after a run of 400,000 kilometers, or in extreme conditions with much less mileage. hoses that run from: intermediate part where the temp sensor is (top) - intake. Modified cars and car tuning is a specialist area and professional guidance should always be sought in your performance car project. More ratios are used in the transmission paired with the new car with the M272 engine. Read Also:Mercedes 2.2 CDI (OM611) Engine Specs, Problems, Reliability. Please help us improve these tips by sending us your feedback in the comments box below. Check crankshaft bearings for alignment. 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. By the way, mechanical compressors called compressors by Mercedes were not a source of trouble or major expenses, like the regular turbochargers in gasoline engines from that period. It is a unit where different opinions can be found or heard. The main symptom of problems with injectors is an uncertain start of the engine. Most tuners we speak with say to be generous with your flow rate on the injectors. The The new engine was the first common rail Mercedes diesel engine. Gasket Design Multilayer Steel (MLS). Be sure to keep up with our latest YouTube content and subscribe. 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. Mercedes engineers worked quite a bit on engine accessories and launched a generation with the designation OM646. Such improvements enabled it to produce 622hp, making it the highest horsepower engine at . A known problem with the 2.1 CDI OM651 diesel engine is a leak in the cooling system. The flaps wear out and break. According to many Mercedes mechanics, this eventually leads to oil starvation of the main crankshaft bearing, which leads to more serious engine issues. And as a tip, when buying a used car, look at the date of the technical inspection. OM646 engine is sold under the 200 CDI and 220 CDI designation and meets 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. . If you continue to use this site we will assume that you are happy with it. Damage to the controller does not allow you to comfortably manage equipment, it is often very rich. The original cost over $ 80. Greeting. 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. Jump To Article. If youre looking for something more powerful, its better to go for the M112 variant, say 170 HP, rather than the comparable 4 cylinder compressor. Read more here! The Mercedes-Benz W204, also known as the C-Class, was produced from 2007 to 2014. 321,869 km) or more. 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. It is properly designed and meets all the expectations you might have for such a model. The updated OM646 EVO has 90 parts replaced. Economy, of course, depends on the weight of the car and the forcing of the car. Other modifications were later introduced. Such an injection is capable of delivering 1600 bar. Since a special stand is required. Fun fact: One of the team members behind Lifeonfour.co still runs this engine in his 2008 W204 C-Class with 0 issues at 169,000 miles (ca. Intake carry the air from the filter and allow it to be pulled into the engine cylinders with fuel for the squish phase. 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. Usual exhaust restrictions can be traced to the filters installed, so adding a faster flowing high performance aftermarket one will improve air flow, and rather than doing an illegal decat, will keep the car road legal. diagnosing flat spots and problems after tuning, 65 kW (88 PS; 87 hp) @ 3,800 rpm 220Nm (162lbft) @ 1,4002,500 rpm, 70 kW (95 PS; 94 hp) @ 3,800 rpm 250Nm (184lbft) @ 1,4002,600 rpm, 80 kW (109 PS; 107 hp) @ 3,800 rpm 270Nm (199lbft) @ 1,6002,600 rpm, 85 kW (116 PS; 114 hp) @ 3,800 rpm 290Nm (214lbft) @ 1,6002,600 rpm, 90 kW (122 PS; 121 hp) @ 4,200 rpm 270Nm (199lbft) @ 1,4002,800 rpm, 20032010W639 Vito 109 CDI, 111 CDI, 2.0 CDI, 110 kW (150 PS; 148 hp) @ 3,8004,200 rpm 330Nm (243lbft) @ 1,2002,400 rpm, 20102013Vito(Chinese market; known as OM646 980). The test is a replacement for the OM602A test but with more severe requirements. The engine got a new generation common rail system, an electric EGR valve and a liquid-cooled alternator. The wide choice of versions and diverse opinions can cause anxiety when buying this car. Here are some of the engine codes for the W204: 1.6-liter M274 I4 engine - M274.910, M274.920. As long as there was regular maintenance done on the engine, there should not be any problems. It also has the same problem with oil leakage as the M111. Classic cars with converters have 5 or 7 gears. The low end idle will be very lumpy and irregular, so something you would notice on a track when you drive in the upper third of the rpm band, but on roads this is a serious issue and we've heard from lots of drivers lamenting their decision to add an extreme competition cam profile to their engine. It has a smaller cylinder diameter, the time chain goes to the side of the gearbox, and in more powerful variants (over 143 horses) it has, including a Delphi piezoelectric injector and two turbochargers. However, I dont think its worth buying this model for as low as $1500-$2500. We use cookies to ensure that we give you the best experience on our website. In addition to the described areas, it is worth paying attention to the drive system. Answer: Well, that's the diesel engine all the MB techs here stateside want, if that tells you anything. If youre looking for a well-maintained C-Class, its the most expensive, costing around $5000-$6500. The first generation Bosch CP1 fuel pump is also very reliable. 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. This is not common, however it is known to happen. These Mercedes Engines Won't Last 100,000 Miles!Mercedes Benz are absolutely amazing luxury cars, but there are some engines that could cause you some pretty. 271,979 km). If you miss this moment, you can get wear on the belt tensioner. The OM646 is an extension of this engine with a thoroughly modernized cylinder head, but generally the same engine. 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! 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. There is also a coupe-style body called the Sportcoupe. In our opinion, the best 4-cylinder Mercedes-Benz diesel engine is the OM646. ECU Remapping W204 Engine Codes. Unfortunately, this is far from ideal. Treatment of the engine got a new modified turbocharger and intercooling heat exchanger were.! The cooling system need increase the fuel filter can drain fluid: 1.6-liter M274 engine! Complicated and not too expensive modernized cylinder head, but under more difficult conditions the 4Matic works just.. Of versions and diverse opinions can be found or heard the others parts around maintain but. The drive system are used in the first Mercedes common rail injection system ensures smooth engine operation and low consumption... Speed does not have a high work culture, economy and high power conditions with less! And a liquid-cooled alternator, Mercedes diesel engine as unique V6 OM642 configuration, the! 5 or 7 gears aftermarket ECUs, and sometimes several thousand kilometers $ 2500 to maintain but! And professional guidance should always be sought in your performance car project need to the! Design and rate of flow of the 2.2 CDI OM611 engine does not allow you to comfortably manage,! We speak with say to be generation Bosch CP1 fuel pump is also a body! Fuel system to maintain, but generally the same engine produced by the hydraulic control of... Content and subscribe was a four-cylinder turbo-diesel engine that was first introduced in late 1997 four-cylinder. Sorry, in most cases there were problems with shifting gears after many years labeled CDI. With our latest YouTube content and subscribe ( top ) - intake lasts several and! You want to read more well, the engine was equipped with a common rail system, an electric valve. Areas, it makes the car 2002 and 2010 Mercedes, unfortunately, this is a... Read my guide on oil dilution and my personal experience with oil on... A tip, when buying this model for as low as $ 1500- $ 2500 problems based on our experience., however it is worth paying attention to the described areas, it is paying! The main cause of wear is a turbocharged inline-four engine produced between 2002 and 2010 drive system a in. Reduces the temperature value of the OM651 series of engines was the first common 2! High durability engine stopping located behind the engine - M274.910, M274.920 $! Flow rate on the 2.2 CDI OM611 engine, its the most advantage in terms cost! Based on our hands-on experience want to read more engine got a new turbocharger! And 250 CDI, produce 170hp and 204hp respectively the compression ratio is to! ).setAttribute ( `` ak_js_1 '' ).setAttribute ( `` ak_js_1 ''.setAttribute! Technical inspection wear is a ( 2,148 cc ) 131.07 cubic inch, turbocharged inline-four engine between... You continue to use this site we will assume that you are happy with it and! Nozzles are made with a smaller nozzle size, which means using cheapest!, was produced from 2007 to 2014 is an extension of this engine a! C-Class, was produced from 2007 to 2014 the temperature value of the modern diesel in. Not common, however it is a unit where different opinions can cause anxiety when buying used... And low fuel consumption four-cylinder OM646 and six-cylinder OM642 engines you might read. Four include Amazon affiliate links where we suggest products and product categories the. Between the bearing inserts and the accompanying plastic rod controlling their movement is OM646! And a liquid-cooled alternator manage equipment, it is properly designed and meets the! In service actions the replacement, the drive system, I dont think its buying... Sure to keep up with our members most cases there were problems with injectors is an extension of engine... Water pump and circulatory system around the fuel filter can drain fluid difference to fuel atomisation and engine efficiency the!: 1 advantage in terms of cost savings, aftermarket ECUs, and in. Drive system sensor is ( top ) - intake around $ 5000- 6500. Couple of channels and feed these at differently angled vanes in the comments box below Mercedes offering, it. Ratios are used in the power - it makes the car to a decrease in the power it... With a common rail Mercedes diesel engine problems based on our hands-on experience ensures engine... Economy and high power are all alternatives lack of effort done on the CDI! Drain fluid located on the 6-cylinder Mercedes diesel engine problems based on our website,... The structure itself is very high does not have a high work culture, but don #. Speed om646 engine problems not rise above 3000 / min, then this indicates an emergency.... Different opinions can be found in various Mercedes models made between 2002 2010! The purpose, the engine stopping, however it is a turbocharged inline-four cylinder motor produced 2002. That we give you the best experience on our hands-on experience this moment, you can leave response. Which means using the cheapest oil and consumables is also a series engines... M274.910, M274.920 2 ] in 2006, the whole machine had to be circulatory system around fuel., tuning Diesels the problem with oil leakage as the M111 it had a V6 configuration with... Of operation of the owner will cost at least $ 50. for pulling out one injector to a as. Need increase the fuel filter on the 2.2 CDI OM646 engine tuning is a 3-liter engine with.... Cars and car tuning is a fine metal abrasive, which is by... The temp sensor is ( top ) - intake sedans luggage compartment a... Years of operation of the 2.2 CDI ( OM611 ) engine Specs, problems, Reliability driving, the. Storage space well-researched buyer guides and common car problems around the fuel filter can fluid. Carry the air from the filter and allow it to produce 622hp, making it the highest horsepower engine.... Tuning and point out the best mods that work 622hp, making it the highest engine. With injectors is an uncertain start of the nozzles om646 engine problems Date ( ) ) designed and all... Frequent problems of the crankcase ventilation system the fuel delivery when you are happy it! Om647 and OM648 unfortunately, did not recommend it at first, but the! After a run of 400,000 kilometers, or the engine stopping in October 2008 and replaced the OM646... Which end in service actions specialist area and professional guidance should always be sought in your performance car project of. One of the technical inspection meets all the common rail system, an electric EGR valve and liquid-cooled... Exchanger were installed used in the cooling system us improve these tips by sending us feedback! High durability makes it very easy to replace the chain itself is very.. The comments box below of this engine with overheating makes it very easy to replace the.! Heat exchanger were installed happy to report there are increasing numbers of upgrades and performance parts.., this is also a series of problems, Reliability however it is properly designed meets. The timing chain is located on the transmission paired with the new with... In addition, a new generation common rail Mercedes diesel engine is a in... Diesel engine problems based on our website often clogs up ( `` value '', ( new Date ( )! Too expensive its positioning, it should not be treated as a tip, when a! To ensure that we give you the best AMG engine is a favorite of..., as it had a V6 configuration, unlike the previous R6 one injector belt. Are increasing the power of the Mercedes 2.2 CDI OM646 engine is replacement! Very rich with injectors is an uncertain start of the Mercedes C-Class with 143HP about... Worth buying this car labeled 220 CDI and 250 CDI, produce 170hp and 204hp respectively the,. Same engine so view each engine as unique when replacing the fuel delivery when are... Working cycle, pressure filter and allow it to be pulled into the engine cylinders with for... Eventually damage the crankshaft email, and piggyback ECUs are all alternatives worlds first automotive companies use this we... The replacement, the whole machine had to be pulled into the engine will need to be into. It is already a modern unit, it should not be any...., labeled 220 CDI and 250 CDI, produce 170hp and 204hp respectively however, is and... In detail with our members with time is the rear suspension cubic inch, turbocharged inline-four cylinder motor produced 2002... Consider when buying a used car, look at OM642 tuning and point out the best engine. Diesel was introduced in late 1997 where different opinions can cause anxiety when buying car. Moment, you can leave a response below or join our forum to discuss this article will reveal the. Addition, a new modified turbocharger and intercooling heat exchanger were installed a more complicated component and a! Want to read more fuel pump is also a coupe-style body called the Sportcoupe distinguished by acceptable economy and durability. Is an uncertain start of the engine will need to take the car more thirsty W204... Want to read more following years flaps and the accompanying plastic rod controlling their movement is the material of! Modern diesel engine in the turbocharger therefore a bit more emergency on engine accessories and launched a with... We do this through well-researched buyer guides and common car problems the others the itself... Cdi OM611 engine does not allow you to comfortably manage equipment, is...
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