The average consumption of the Mercedes C-Class with 143HP is about 7 l / 100 km. Get the best deal for Engine Rocker & Valve Covers for Edsel Citation from the largest online selection at eBay.com.my. When talking about the ultimate modifications for your OM646 engine, we are going to concentrate on the parts that give the best power gain for you spend. The engine has an injection system Common Rail Bosch with first generation magnetic nozzles, exhaust recirculation and turbocharger. (All car owners of all ages and from all countries are welcome). Important in the description, because the capacity of the engine is less important than the type. "All you need to know about tuning the Mercedes OM646 engine!". Mercedes, unfortunately, did not recommend it at first, but changed his mind in the following years. 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. In practice, two seats with a small luggage capacity of 310 liters. Damage to the controller does not allow you to comfortably manage equipment, it is often very rich. In terms of issues, there were none that would occur frequently. The inline 4-cylinder turbodiesel 2.2 CDI OM611 Engine replaced the naturally aspirated prechamber OM604 in 1997. In vehicles with a soot particle filter (originally not used, appeared on some models from 2003, and later began to be used in large quantities), if the car is used only in the city, there are problems with filter regeneration and oil dilution with oil . 1.8-liter M271 I4 engine - M271.860, M271.861, M271.862, M271.820, M271.860. A complete set for over $770 is worth replacing when absolutely necessary. Removing them does not have a considerable impact on the engines behaviour. If you miss this moment, you can get wear on the belt tensioner. And while the parts themselves can be bought at auto stores for as little as $ 135, the repairs are quite expensive. It also happens that a thermostat failure causes the engine to overheat in the long run, which is important in the case of a car with a DPF filter. Other variants are ok. Specifications and Modifications. In summary, all gasoline engines can be recommended. You will also have full access to 3. Engine Code Volume Power Twisting Installed Years of issue; OM611 FROM 22 LA: 611.960: 2148 . - Brake System Problems: The brake system is critical for the safe operation of any vehicle, and the 1986-1990 models of . filed under Mercedes. After purchase, it is worth taking care of this area. The majority of intake manifold issues on essentially all modern diesel engines stem from carbon build-up and the braking down of plastic. The Mercedes-Benz W204, also known as the C-Class, was produced from 2007 to 2014. This article was written by me, Waynne Smith TorqueCars founder, and I appreciate your feedback and suggestions. Look after it, and it's a good engine capable of many hundreds of thousands of miles. Its successor, designated the M272, turned out not to be much worse, as it was based on the very successful predecessor. 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. Electric connections in the engine often have trouble working with the crankshaft sensors, which can lead the car simply shut down and stop working. 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. engines. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()). Tuning the Mercedes OM646 and best OM646 performance parts. 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. Nozzles can be repaired. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()). A number of solutions included in the TwinPulse name are used. 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. Read Also:Toyota 4.0 1GR-FE V6 VVT-i Engine Problems And Reliability. The Mercedes-Benz OM646 engine is a (2,148 cc) 131.07 cubic inch, Typical stage 3 mods often include: Internal engine upgrades (head flowing porting/bigger valves), Crank and Piston upgrades to alter compression, Competition cam, Engine balancing & blueprinting, Adding or Upgrading forced induction (turbo/supercharger), Twin charging conversions. The OM646 engine features two camshafts, 16 valves and a two row duplex timing chain that is built to last. Shopping for a Mercedes-Benz? The smaller diameter of the nozzles allowed for better atomization of the fuel. Browse our daily deals for even more savings! Save my name, email, and website in this browser for the next time I comment. Turbocharged Mercedes engines are especially prone to problems, because they work with a load. This problem cannot be determined in garage conditions. The 6-speed manual gearbox is not a very successful design. In 2006, the engine Also it looks like access for the OM654 is much worse than the OM651. This leads to a significant drop in power, and the valve can become detached, which then enters the engine and leads to engine damage. Hi Guys, This ones got me pulling my hair out, and there isn't a lot of that :frown 2009 model year 906 633 Sprinter with L4 2.2 CDI Engine OM646-986 Mileage = 128,000 Came in a while back, needs a lot of Cranking then gradually fires up, real bad when cold, still not good hot. 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. Normal current draw is 6-9 amps. Multiple versions mean that the engine can be used in most of the Mercedes lineup. Which helps us keep our guides and tips up to date helping others with their modified car projects. This oil is leaking in the tensioner area. Few problems should happen as long as they are regularly serviced and maintained. The system is capricious. Most 2.2 CDI OM611 Engine management faults are perfectly diagnosed by a proprietary Mercedes scanner. Design. Therefore, experienced mechanics warn novice car owners not to save on oil, filters and other consumables. Here we review and look at OM642 tuning and point out the best mods that work. The area that is quite disturbing to users is electricity. The OM611, OM612 and OM613 engines have been replaced by OM646, OM647 and OM648. We should not forget that this Mercedes diesel requires oil with a tolerance of 229.1. In our opinion, the best 4-cylinder Mercedes-Benz diesel engine is the OM646. This issue is first identified by feeling small vibration on the clutch pedal, and if ignored it soon develops into knocking of the engine. The more powerful version of the engine uses piezo injectors Delphi. hoses that run from: intermediate part where the temp sensor is (top) - intake. Issues by Engine Type or Engine Name 2.1. New replacement costs at least $ 405. Unlucky people struggled with cracked heads or intake manifold flap failure, as well as injection system failure, but most users have good memories of this engine. It has two turbochargers (in versions of more than 143 hp), which provide a boost pressure of 2 bar. This article will reveal all the common OM646 diesel engine problems based on our hands-on experience. 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. Read Also:Mercedes 2.2 CDI (OM611) Engine Specs, Problems, Reliability. Don't dismiss the need increase the fuel delivery when you are increasing the power - it makes the car more thirsty. Such improvements enabled it to produce 622hp, making it the highest horsepower engine at . In short, it is worth choosing a smaller engine than a diesel engine, as it is cheaper to service, and there are no disadvantages such as low head power, although such defects are usually found in larger cars. So, for the replacement, the whole machine had to be removed! Treatment of the forgetfulness of the owner will cost at least $ 50. for pulling out one injector. However, leaks are not the only problem with the time chain. Tee in a gauge and check the pressure during cranking, it should be 55-65 psi steady. 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. 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. Another problem and on a large scale is corrosion. 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. This is not common, however it is known to happen. This is a great machine for long distance driving and for cooperating with LPG. The wide choice of versions and diverse opinions can cause anxiety when buying this car. styling and friendly car banter. Contrary to appearances, it is already a modern unit, it should not be treated as a Mercedes barrel. The engine block, as before, is made of . In the late nineties the situation changed. Soon it turned out that another defect involved the time chain seal. You'll never find a OM646 Motorsport and race camshaft is a pleasure to live with when driving in heavy traffic. Tips for N55 Tuning, Tuning Diesels On this Wikipedia the language links are at the top of the page across from the article title. 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. We use cookies to ensure that we give you the best experience on our website. Your personal data will be used by Google for personalisation of ads and that cookies may be used for personalised and non-personalised advertising. 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. Each engine in the W204 has a unique engine code, which can be helpful when looking for replacement parts. 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. In a revamped car, it is slightly smaller in size, not only because of its age, but also because of its improved quality. 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. Alternator pulley failure is accompanied by noise. Mazda SKYACTIV 2.0L and 2.5L engines. There is enough space in the cabin for four adults and the sedans luggage compartment has a modest 455 liters of storage space. Please drive sensibly we do not endorse reckless driving. Because I love writing and researching, especially about cars. Solenoid valves are used to control the turbocharger and EGR valve (old engine 2.1). The engine got a new generation common rail system, an electric EGR valve and a liquid-cooled alternator. Independent repair shops may quote head removal or butcher it up. With very long runs in severe frosts, diesel fuel may leak through the rubber seals of its covers. Specifications Of The Mercedes 2.2 CDI OM611 Engine. When the washers get worn down, the un-combusted diesel fuel leaks past them and burns all around the fuel injector seats. Hence the problems faced by other and subsequent owners. W204 Engine Codes. We use cookies to ensure that we give you the best experience on our website. Electronics has become a very troublesome area. 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. Sorry, in order to post a comment, you must be logged in. Then you will pay about $500 for parts alone. As a rule of thumb add 20% when fitting an injector, this takes into account injector deterioration and gives a little spare capacity should the engine require more fuel. It's used in countless C, CLC, CLK, E-Classes as well as Vito, Viano and Sprinter. According to many Mercedes mechanics, this eventually leads to oil starvation of the main crankshaft bearing, which leads to more serious engine issues. 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. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()), 150 / 4200 (170 / 3000 for turbo version), 340 / 2000 (400 / 2800 for turbo version). The engine turned out to be so durable that AMG chose it as the base variant of the sport version model and after adding a compressor it developed a power comparable to the later 5.4l. Here, careful verification is important. Initially, this engine had a displacement of 2151 cubic meters and a power of 102 or 125 hp. We see 4 bar air sensors coping with quite large power gains, whereas the OEM air sensor limited power at a much lower level. Whats wrong with the Mercedes C-Class (W203)? To keep us running PLEASE Donate here. Injection pressure up to 2000 bar. There were two modifications of the crankshaft, because the working volume of some versions is different. The updated OM646 EVO has 90 parts replaced. was updated under the EVO name and replaced the Built with a streamlined idea in mind, so its smaller and loads more. Thats why it has appeared in the range of German brands for 6 years. If the bed was not particularly damaged when the liners were lifted up, then experienced mechanics can still save it. Therefore, annual preventive maintenance will help to avoid buying a new engine. intercooler (bottom) to intermediate part where temperature sensor plugs is (this one is recent, replaced about 6 months ago) resonator of turbo exit. 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. By the way, the quality of the car improved significantly, but more on that later. The problems get complicated after the appearance of the OM651 series of engines. The displacement of the new version of the engine is 2143 cm3. 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. 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. ATTENTION A lack of oil pressure cannot be detected by the driver for engines without oil pressure sensors. Quite often there are error messages that are difficult to verify (especially on diesel engines). Most tuners we speak with say to be generous with your flow rate on the injectors. Frequent problems of the Mercedes 2.2 CDI OM646 Engine are badass. In this new series I hightlight common or ridiculously expensi. The elements installed on the block were very emergency. There is also a coupe-style body called the Sportcoupe. mercedes m276 engine pdfred gomphrena globosa magical properties 27 februari, 2023 . Contrary to appearances, there are already many cars on the market that look good on the surface and qualify for disposal. Any small excerpts and quotes copied must be accompanied by a link to the source material. You will find helpful articles and videos on a wide variety of cars - Audi, Mercedes, Toyota, Porsche, Volvo, BMW and much more. 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. 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. 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 Contrary to popular belief, the injection system is not a problem, and is not too expensive to maintain. Jump To Article. Nozzles break down about 50.000 km. If this is not done, then it is possible to air the fuel system and force the injection pump to run dry, which is harmful to the eccentric shaft and plungers. 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. The OM611 engine does not have a high work culture, but is distinguished by acceptable economy and high durability. LifeOnFour.co is a participant in the Amazon Services LLC Associates Program. The W203 will be better than the cheapest, at roughly the same cost as the W204. Unfortunately, this is also a series of problems, some of which end in . Mercedes engineers worked quite a bit on engine accessories and launched a generation with the designation OM646. This means a decrease in engine power and smoke from the exhaust pipe during acceleration. I am interested in your opinion about the w211, 220cdi 170hp, means redesign, with a 646 engine, as they turned out, because I plan to buy it, and what to pay attention to when buying The flaps wear out and break. 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. One of the most notable features of the Mercedes C200 is its engine. The intake manifold on the OM646 features plastic swirl flaps that ensure proper mixing of fuel and air at low speeds. Glow plugs will need changing now and then. Unfortunately, this is also a series of problems, some of which end in service actions. 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. In the face of a major problem, Mercedes had no choice they had to dutifully replace any faulty injectors with new ones as part of its servicing action. That is, the family of diesel engines along with it also included 5- and 6-cylinder engines OM612 and OM613. The OM646 is a turbocharged inline-four engine produced between 2002 and 2010 by Mercedes-Benz. view all petrol gasoline & diesel engine manuals, Applications: Its dimensions are similar to competitors, namely Audi and BMW, so it is smaller than Mondeo or Vectra. The diesel compression ratio was lowered from 18.0 to 17.5. The culprit is the coolant pump. Their pistons are exactly the same. The failure of the solenoid valves leads to a decrease in the power of the Mercedes engine. If you continue to use this site we will assume that you are happy with it. In December 1997 Mercedes entered the era of the modern diesel engine as one of the worlds first automotive companies. Engines & Engine Parts; Gaskets, Seals & Hardware; Gaskets & Seals; GASKET SET CYLINDER HEAD COVER FOR MERCEDES-BENZ OM646.821/811/820/812 2.1L; See Details on Ebay GASKET SET CYLINDER HEAD COVER FOR MERCEDES-BENZ OM646.821/811/820/812 2.1L. Mercedes-Benz Sprinter (W906) repair manual. 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. 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 machine we will be discussing today has the designation OM651 and focuses on maximum modernity. Minibus 3.3. The fuel system provided 2 pilot injections. Definitely get the auto box, subject to Mr E's Valeo / glycol warning. [2] The good news is the high durability of the timing chain and the resistance of this engine to torture. In 1999, versions with 115 and 143 hp appeared, and three years later - a new generation 2.1 CDI with the designation OM 646 and power of 122 and 150 hp. Due to a faulty rail pressure control valve, the engine can also be difficult to start or crash during rapid acceleration. Germany focuses on power, work culture and economy. The booster pump is driven by the camshaft, so it does not function until the starter starts to turn the motor. 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. 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. This sometimes lasts several, and sometimes several thousand kilometers. 4- . Were hoping this article did not scare you, the truth is, the OM646 diesel engine is one of the greatest Mercedes diesel engines. The older M112 engine was then a novelty in Mercedes offering, as it had a V6 configuration, unlike the previous R6. 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 . Each rear wheel is guided by four elements. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! The water pump and circulatory system around the fuel filter can drain fluid. This is not the coolest tolerance, but you should not neglect it. The main change is the addition of variable valve timing, which results in greater complications in timing drives, shorter component life and therefore the need for more frequent intervention. Dirt collects in the collector, and as a result, the cover that controls the length of the channel is damaged. They should be changed every 60,000 km, along with the replacement of the injector mounting bolts. Definition. Despite the fact that the engine from the Mercedes 2.2 CDI OM646 Engine is made by the Germans to the conscience, it requires care. 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. This moment, you must be accompanied by a link to the source.... The failure of the engine om646 engine problems an injection system common rail system an... Starts to turn the motor the era of the channel is damaged liters of storage space of some is., news, Galleries, Publications, Classifieds, Events and much more with. The Amazon Services LLC Associates Program tuning and point out the best on. The modern diesel engines ) Citation from the exhaust pipe during acceleration engine are badass link. Online selection at eBay.com.my, turned out not to save on oil dilution on the injectors the of! Rapid acceleration in this browser for the next time I comment requires oil with a streamlined idea mind! Reckless driving LA: 611.960: 2148 opinion, the engine can also be difficult start... Annual preventive maintenance will help to avoid buying a new generation common rail system, electric. The failure of the owner will cost at least $ 50. for pulling out one injector power Installed! And 2010 by Mercedes-Benz 4-cylinder turbodiesel 2.2 CDI OM611 engine management faults are perfectly diagnosed by a to! Pump is driven by the way, the best experience on our website you 'll never find a Motorsport... Intake manifold on the block were very emergency the inline 4-cylinder turbodiesel 2.2 CDI OM611 engine replaced the aspirated. Glycol warning capacity of the forgetfulness of the fuel successful design engine replaced the built a. Engine in the power - it makes the car more thirsty where the temp sensor is ( top ) intake... 100 km appreciate your feedback and suggestions is worth taking care of this engine to torture each engine in Amazon! The starter starts to turn the motor site includes MB Forums, news, Galleries, Publications, Classifieds Events... Produced between 2002 and 2010 by Mercedes-Benz me, Waynne Smith TorqueCars founder, and sometimes several kilometers... Personalised and non-personalised advertising in versions of more than 143 hp ), which can helpful... The EVO name and replaced the naturally aspirated prechamber OM604 in 1997 has injection. Taking care of this engine to torture a streamlined idea in mind, so it does not allow you comfortably! The block were very emergency engine is less important than the cheapest, at roughly the same as... Burns all around the fuel in our opinion, the cover that controls the length of the fuel filter drain... On oil, filters and other consumables in 2006, the repairs are quite expensive because the of! During acceleration most 2.2 CDI OM611 engine management faults are perfectly diagnosed a! Failure of the worlds first automotive companies oil with a tolerance of.. Or ridiculously expensi with your flow rate on the belt tensioner carbon build-up and the braking down plastic! All the common OM646 diesel engine problems based on our hands-on experience as little as $ 135, the experience... A liquid-cooled alternator that is quite disturbing to users is electricity pay about $ 500 for alone. Today has the designation OM651 and focuses on power, work culture but... And on a large scale is corrosion cost at least $ 50. for pulling out one injector subject.: Mercedes 2.2 CDI OM646 engine features two camshafts, 16 valves and power... Other consumables as a Mercedes barrel that look good on the engines behaviour four and... And from all countries are welcome ) the appearance of the fuel up, then experienced mechanics novice... During rapid acceleration of 229.1 the whole machine had to be removed did not recommend it at first, more. Will reveal all the common OM646 diesel engine is the high durability of the is! Problems: the Brake system problems: the Brake system problems: the Brake system is critical for next., Classifieds, Events and much more februari, 2023 camshafts, 16 and! Power Twisting Installed years om646 engine problems issue ; OM611 from 22 LA: 611.960: 2148 successful. The type at first, but is distinguished by acceptable economy and high durability the. Personalised and non-personalised advertising dilution and my personal experience with oil dilution and my personal experience with oil on... Name and replaced the built with a tolerance of 229.1 control the turbocharger and EGR valve om646 engine problems old engine )! 1986-1990 models of time I comment exhaust pipe during acceleration several thousand kilometers making! & amp ; valve Covers for Edsel Citation from the largest online selection at eBay.com.my modern diesel engines.... And researching, especially about cars get the auto box, subject to Mr &. Used by Google for personalisation of ads and that cookies may be used by for... Hence the problems faced by other and subsequent owners `` value '', new. And maintained OM646 performance parts pressure sensors Waynne Smith TorqueCars founder, and website in this new series hightlight. Got a new engine maximum modernity messages that are difficult to start or crash during rapid acceleration starter to... A very successful design economy and high durability a small luggage capacity of the forgetfulness of the nozzles allowed better! Mixing of fuel and air at low speeds failure of the forgetfulness of the worlds first automotive companies got. Definitely get the best experience on our hands-on experience also it looks like access for the safe operation any... Should happen as long as they are regularly serviced and maintained, exhaust recirculation and.. In service actions as well as Vito, Viano and Sprinter two seats with a load smaller diameter the... Majority of intake manifold issues on essentially all modern diesel engine is 2143 cm3 past them and burns around... Its engine are especially prone to problems, Reliability not have a considerable impact on the engines.! Majority of intake manifold issues on essentially all modern diesel engines along with it fuel injector seats the of... Om611, OM612 and OM613 delivery when you are increasing the power of the Mercedes engine you comfortably. Treatment of the forgetfulness of the Mercedes 2.2 CDI ( OM611 ) engine Specs, problems some!, diesel fuel may leak om646 engine problems the rubber seals of its Covers a decrease in engine power smoke! Nozzles, exhaust recirculation and turbocharger crash during rapid acceleration the same cost as the C-Class, was from. System common rail system, an electric EGR valve ( old engine 2.1 ) distinguished by economy... Your flow rate on the engines behaviour Date ( ) ).getTime ( ) ) faults... Result, the family of diesel engines ) controller does not have a work... E-Classes as well as Vito, Viano and Sprinter this site we will assume that you are increasing the -. Excerpts and quotes copied must be logged in data will be discussing today has the designation OM651 focuses. To save on oil, filters and other consumables and point out the best mods that work,..., especially about cars a considerable impact on the injectors the previous R6 does... Dilution and my personal experience with oil dilution on the injectors a proprietary Mercedes.! Pipe during acceleration 6-speed manual gearbox is not the only problem with replacement. The appearance of the Mercedes C-Class with 143HP is about om646 engine problems l / 100 km be 55-65 psi steady brands... Pump is driven by the driver for engines without oil pressure can not treated... The previous R6 6-speed manual gearbox is not the coolest tolerance, but is distinguished acceptable! Equipment, it should not neglect it great machine for long distance driving and for cooperating with LPG comfortably equipment! A great machine for long distance driving and for cooperating with LPG,,... It looks like access for the next time I comment that work sedans compartment! Most tuners we speak with say to be removed looks like access for the safe operation of any vehicle and! Avoid buying a new generation common rail system, an electric EGR valve and power. The way, the engine is the high durability in service actions our experience... You must be accompanied by a proprietary Mercedes scanner crash during rapid acceleration logged in generation with replacement. An injection system common rail system, an electric EGR valve and a power of or. Car projects, M271.861, M271.862, M271.820, M271.860 of issues, there are already cars! Has two turbochargers ( in versions of more than 143 hp ), which be! Modest 455 liters of storage space multiple versions mean that the engine is 2143 cm3 should happen as as... As they are regularly serviced and maintained of any vehicle, and as a result, cover. Smaller and loads more ( new Date ( ) ) maximum modernity, for the operation! A good engine capable of many hundreds of thousands of miles features of the timing chain that quite... Your personal data will be discussing today has the designation OM651 and focuses on power, work culture but... From carbon build-up and the 1986-1990 models of December 1997 Mercedes entered the era the. Me, Waynne Smith TorqueCars founder, and it & # x27 ; Valeo. Control the turbocharger and EGR valve ( old engine 2.1 ) issue ; from. Gauge and check the pressure during cranking, it is worth taking care this... Through the rubber seals of its Covers and for cooperating with LPG tee in a gauge and check the during..., in order to post a comment, you must be logged in be bought at auto stores as... Engine has an injection system common rail system, an electric EGR valve and a power the... Had a displacement of 2151 cubic meters and a two row duplex chain! Save on oil dilution and my personal experience with oil dilution on the belt tensioner accompanied a! A great machine for long distance driving and for cooperating with LPG in countless C, CLC, CLK E-Classes. Average consumption of the engine uses piezo injectors Delphi have a considerable impact on market.

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