Mercedes started produced of the M103 3.0-liter inline six-cylinder 2. The M104 2.8-liter engine was the next engine after the M103 E26. Worn Timing Chain and Guides. mercedessource Tech help - Begin with the "back end" fuel delivery system first. M111 engine – “Kompressor” lifespan. engine. There is SOHC configuration of the valve-train the same as 2.0-liter M102 (intake valve diameter - 43 mm; exhaust valve How to replace spark plugs Mercedes Benz 3.0 L M103 or M104 gasoline engine E class S class. M103 Engine Application Survey. This engine is closely related to the V8 M113 and both are reliable units. Number The distributor cap and rotor are a notorious problem on the M103 engine and it never hurts to replace them if there is any doubt. The bore spacing on the M103 engine is 97 mm. Recommended fuel octane for the M103 is 91 RON/MON (96 RON)(86 MON). Lubrication system is pressure circulation lubrication M102.922 (1985 -1990) - upgraded version with new lighter crankshaft and conrods for Mercedes W124. order is 1-5-3-6-2-4. w124, w201. M102.921 (1982 -1984) - 920 with another camshaft and Stromberg 175 CD carburetor. It has a double overhead cam design with 4 valves per cylinder, and used a crossflow cylinder head.It replaced the M103 and was replaced by the M112 V6 starting in 1997. The Mercedes Benz 2.6 3.0 Liter M103 Engine, Produced: 1984 to 1997. view all petrol gasoline & diesel engine manuals. Mercedes cars have been manufactured in over 15 countries, and while the meaning of the numbers may vary from country to country, their position in the number sequence is standard. 3.0 L. The 103.980 engine of 3.0 L; 180.6 cu in … The injectors would need to be removed from the motor to check for any leakage. Mercedes M103 Engine Service Manual. Years 1990 to 2000 M102.926 (1982 -1993) - M102.921 equipped with injection system Bosch KE-Jetronic. 1. diameter - 39 mm). so there were additional 190's fitted with those features at the factory, or The 260 E used Mercedes' M103 straight-six engine which was produced between 1985 and 1993. cam design with 2 valves per cylinder. Make sure you have GASOLINE in the fuel tank! specifications. Power is 122 hp (118 with catalyst). Isolating a Diesel Engine External Rattling Noise . February 26th, 2020, Featured, Gasoline engines, Mercedes-Benz, No Comments. expensive (about DM 155,780 or USD $96,467). That is the common issue for this engine. system. The next variant is contaminated ventilation of crankcase gases. Camshaft drive was simple roller-type Corrosion is your number one problem with any older vehicle, including this Benz. What is a Harmonic Balancer? The production of the M102 engine stopped in 1994 and manufacturer started producing the new 2.0-liter M111 engine for their cars. W124 E-Class and The Mercedes-Benz M103 was a straight-6 15 degrees, crossflow cylinder head with an inclination to the right, automobile engine produced from 1984 to 1997. By “clean start” I mean the engine starts quickly, stays running, and drops down to a consistent and smooth idle. The injectors can be tested by bypassing the fuel pump relay and seeing if the injectors leak. With a cold engine several sites indicated it should read 38 ohms to ground and across both leads., mine was reading just under 4000 ohms. The 2.5-liter engine got double-row timing chain to fix snapping problem of a single-row chain. If you know how to read Mercedes engine ID numbers, you will be able to quickly locate the part you need. Knowing what part of the engine … and the R107. Amount of oil in engine is 6 litres (1.6 US gal; 1.3 imp gal) The 3.0L M103 straight inline-six was modified by AMG to high This is a common problem on Mercedes-Benz models ending with 240, 320, 430 and 500. It also used the CIS-E engine management system and had a It had new cast iron cylinder block, aluminum 8-valve cylinder head with one camshaft. any given model year with the exception of the ECU making engine swaps © «MotorReviewer» - Automotive products and accessories specifications and reviews. M102.920 (1980 -1986) - the first carbureted version for Mercedes W123. W126 S-Class. The only 4-cylinder M102 series. mercedessource Tech help - There are a number of reasons - don't throw money at the problem - diagnose first!!! mechanical differences from the M103 3.0 L to the M103 2.6 L were the This engine can be found in the The M103 was replaced by the M104 series 3.0L A … such as rear spoilers and front splitters in order to improve high Cubic … automobile engine produced from 1984 to 1997. M103 Engine Application Survey, Mercedes Benz Service & Repair Manuals - Website Copyright Protected © MBMANUALS.COM, Mercedes Benz Classics: Owners Operation, Service, and Repair Workshop Manuals, Mercedes Car is a creme puff.-----1988 Mercedes-Benz 260E (W124) speed stability. the M103 2.6-liter E26 engine, as well as the larger bore M103 3.0-liter Mercedes 190 W201. Stuttgart-Untertürkheim Plant. Its a temperatue sensitive resistor. Finally a BAD reading. Mercedes M103 Engine Repair Manual Download: 48.8mb, 461 pages, .pdf Applications: R107, W124, W126, R129, W201, W463 more info on M103 engines. The diameter of intake valves is 43 mm and exhaust valve - 39 mm. Removing Stubborn Spark Plug Wires from a M102 or M103 Gas Engine. How to Read Mercedes Engine ID Numbers. The engine also has a double-row timing chain and variable geometry intake manifold. cylinder head with solid lifters and a stroker crankshaft. This is a common problem with Mercedes-Benz equipped with the M112 and M112 engines. Unstable engine speed. Engine . Together with the inline four-cylinder engine, Mercedes produced the unified as much as possible inline six-cylinder engine - the M103 3.0L. Another applications for the M103 3.2 Liter was the 1988-1989 Watch out for potential head gasket problems in the M111 engines. The W201 190 E 3.2 AMG was the first model sold through AMG "an 2.6 3.0 3.2 Engine Manual Bad injector nozzles cause this very often and the common issue. Very short camshaft life (about 60-100,000 miles). PS; 188 hp) at 5700 rpm without catalyst, and has a torque of 255 Nm Late engines (until 1984) didn't have hydraulic tappets/lifters. This four cylinders engine was built entirely from scratch. The problem quite often is bad engine mounts. They are reliable but have a finite … Usually means something is broken or loose in the engine compartment . 200 complete cars were made in black or silver, they were very Engine The 2.0l M102 from the beginning had the single-strand chain which was very unreliable, but from 1987 this chain was replaced by a double-row chain, and it operates very well. m103. Also, … Starter motor is electrical with 1.5 kW (2 PS; 2 hp); since 01.88 Added a 1K resistor to ground from the … The M103 series offered two variants including Problem: when cold, starts without issues, no misfire, runs smooth as can be, like it's brand new. performance 3.2 Liter M104 starting in 1989. Mercedes W124 series. The “Kompressor” variant is fitted with an Eaton (M62 or M45) supercharger. to 3.2 liters, more aggressive cam including a hydraulic-lifter It was a single overhead Mercedes-Benz 230TE AMG, released in the Japanese-market under the The engine has the aluminum cylinder head with four valves per cylinder, developed and produced by Cosworth, two overhead camshafts. The knocking after fired up is a unique feature of M102 engines. These M103 engines applied mechanical fuel injection, (KE-Jetronic). Doing it without damaging the wire boot and resistor is easy with the right tool . Valve operation was 1 overhead camshaft. first produced and they were tuning all the factory The firing M111 engine - head gasket failure. They are closely related to each other and both are reliable. High oil consumption is becoming such a big problem with these engines and it is usually related to valve stem seals. reportedly increasing output from 177 horsepower to 230 horsepower. Suspension, interior and engine parts can be replaced, but a rusted body can be the death of a car.Luckily, the W201 has better corrosion protection than the following generation of Mercedes-Benz cars, which developed a reputation of rusting easily … USD $19.95. The Mercedes-Benz M104 is a straight-6 automobile engine produced from 1989 through 1999. Production years. The 2.5-16 Evolution I came out in 1989. and hydraulic lifters/tappets. The smaller M103 engine:103.940 2.6 L; 158.5 cu in (2,597 cc) produces Oil leaks. retrofitted after. Manufacturer. These 201, 124, 126 and 129 chassis engines can be temperamental when they reach high mileage or if not maintained properly. W124 M103 stalling engine Subject: 1987 300E, W124 chassis, M103 engine. Watch out for head gasket leaks in the M103 and M104 engines. It is a relatively oversquare engine with a large bore and short stroke compared to the M115 engine which was used during the same timeframe. hp) at 5800 rpm without catalyst, and generates torque at 220 Nm (162 The for engine weight reduction and production cost savings. Download: Mercedes M103 2.6L 3.0L Engine Service Manual. Valves are without catalyst. About petrol engines for customers with the 190 E being one of them. The Mercedes Benz 2.6 3.0 Liter M103 Engine, Produced: 1984 to 1997, view all petrol gasoline & diesel engine manuals, Download This version had the same displacement, but the shorter stroke and the bigger bore size. Applications: R107, W124, W126, R129, W201, W463 Modifications included an overbore and longer stroke Download Link Sent to your PayPal email address The weak point in the M112 is the seal of the oil heat exchanger. Besides 200 complete 190 E 3.2 AMG's, Explore the various mercedes m103 engine ranges at Alibaba.com and save money while purchasing the … W124 E-Class, W126 S-Class, and enable the car to attain a top speed of 243 km/h (151 mph). authorized re-seller" with a Mercedes-Benz new car warranty. As you can see, both engines are almost identical, and the main difference is engine displacements. The 190 E 3.2 AMG M103 straight-six 12-valve produces 132 kW (179 PS; 177 hp) at 5700 rpm with catalyst, 140 kW (190 These two engines are installed on many Mercedes-Benz models manufactured between 1995 and 2005 including E-Class, C-Class, S-Class, ML-Class. That … High oil consumption. Used in the W201 190E 1.8 from 1990 onwards (badged as 180E in Australia from 1991 to 1993). For many owners of 1984 to 1995 102 (4 cyl gas) 103 (6 cyl gas singe cam) and 104 engined Mercedes (6 cyl gas twin cam), clean starts are becoming a fading memory. The engine has the lightweight cast iron cylinder block, aluminum The M103 engine has a unified design with the Cylinder … E30 engine. Engine . You need to read the codes from the computer to get a starting clue as to what the problem is. Mercedes-Benz turbo . that, alloy wheels and a leather interior were added as well as aerodynamic features Mercedes Benz 103 Engine: Survey of Motor Application, extended list: Mercedes tuning added 25 hp (19 kW; 25 PS) over the standard car. 2. Also, these engines are supercharged. M112 E32 3.2l Engine Problems and Reliability. AMG was a separate racing and tuning company when the W201 190 was Mercedes-Benz Parts > Mercedes-Benz W124 E ... on your dashboard. 1980-1994. 2014-2019 Contact UsCookies Polisy, 0W-30, 0W-40, 5W-30, 5W-40, 10W-40, 15W-40, Mercedes-Benz 190 W201, Mercedes-Benz E-Class W124, Mercedes-Benz G-Class W460, Mercedes-Benz G-Class W463, Mercedes-Benz W123. Oil leaks. 1. was 1.7 kW (2 PS; 2 hp). engine in 1984. And yes, it is very common and the number one reason for these good engines burning oil. 1. Mercedes M103 Engine Manual Now I don't have a good reference for this information, I got it by talking to the guys at the local mercedes workshop. Mercedes-Benz M103 was a straight-6 15 degrees, inclination to the right, Carburetor is Stromberg 175 CDT, compression ratio is 9. Format: Bookmarked .pdf Document mercedessource Tech help - A common problem due to failed valve guide seals For all 4 and 6 cylinder single cam gas engines 1984 to 1992. It was a single overhead cam design with 2 valves per cylinder. engines generated a maximum power output of 231 hp (172 kW; 234 PS), Engine Specs. the problem when driving behind one of those. The M103 was replaced by the The M102 engine family was a straight-4 gasoline automobile engine from Mercedes-Benz in the 1980s and early 1990s. The M102 engine came out to replace the old M115 engine in 1980. lbft) at 4600 rpm with catalyst, 228 Nm (168 lbft) at 4600 rpm without Application Survey. decrease in bore, smaller intake valves and a slightly different air-box. 118 kW (160 PS; 158 hp) at 5800 rpm with catalyst, 124 kW (169 PS; 166 and amount of coolant is 8.5 litres (2.2 US gal; 1.9 imp gal). The compression ratio is 9.2:1 with a redline of 6200 rpm. Download: 95.2 mb, 872 pages, .pdf. The V6 M112 engine (SLK 320 & SLK 32 AMG) – Mercedes-Benz got this one right. Common problems … 1988 mercedes 300e 3.0 engine motor assembly 207,286 miles no core charge (fits: mercedes-benz 300e) $375.00 EN04 - MERCEDES 06-12 C280 C300 E280 E300 M272 6CYL 3.0L 4MATIC ENGINE 272.948 Start with the simple things first like spark plugs and spark plug wires (unless they have been … The Mercedes Benz 260 E was a four-door sedan built on the W124 E-Class chassis between 1987 and 1991. Summary of problems & additional information. This Download: 48.8mb, 461 pages, .pdf, Download Link Sent to your PayPal email address, Mercedes M103 W201 (190), The CIS-E components between 2.6 and 3.0 variants are all shared for catalyst. Applications: R107, W124, W126, W201 This issue mainly affects the inline-6 engines, like the M103 or M104, because of their long cylinder heads. M102.910. from 2.6 to 3.0 virtually bolt-in. In 1998 it was moved out from the production by V6 M112 E28 engine. Mercedes-Benz sold AMG body kits and 3.2 L AMG engines separately, The M103 was replaced by the M104 starting in 1989. In 1984 engine got new light connecting rods and crankshaft as well as hydraulic tappets/lifters and the new oil filter. Mercedes / Audi / Volkswagen / Saab / Volvo / ... Coolant Temperature Sensor at the rear right of the M103 proved to be the culprit. Modifications. 2. Search. The mercedes m103 engine are all certified by ISO, SGS, CE, IAF to ensure optimum quality. Mercedes-Benz R129, W463 G-Class w201 M103 turbo Intake manifold M103 injector seats. (188 lbft) at 4400 rpm (with catalyst), 260 Nm (192 lbft) at 4400 rpm Stromberg 175 CDT was replaced by Pierburg 2 E-E in 1986. My M103 2.6L engine has 180,000 miles on it and still runs REALLY strong. Mercedes-Benz cars, mint condition and/or extreme boost. Paint looks new. of valves is 1 intake, 1 exhaust with V-shaped overhead configuration. The M104 continued in production until 1999 where its last use by Mercedes-Benz was in the W140 … The engine was used in the 190E-2.6, W124 260E, and the W126 260SE, occasionally I can see (and smell!) Failure of these chains can lead to catastrophic engine failure . The head gasket is the weakest link in these engines… However, the engine will not be operating at peak efficiency, and you will most likely experience a loss in power and … chain. 3. The V6 M112 and V8 M113 engines – Mercedes-Benz got both of them right. The Larger bore M103 engine: 103.980 3.0 L; 180.6 cu in (2,960 cc) Together with the inline four-cylinder engine, Mercedes produced the unified as much as possible inline six-cylinder engine - the M103 3.0L. Mercedes-Benz cars, mint condition and/or extreme boost. Mercedes M103 Engine It uses the CIS-E (Continuous Injection System - Electronic) Engine vibrations. Ignition system is electronic ignition system. bore and a stroke of 82.9 mm × 80.2 mm (3.26 in × 3.16 in). The cause of the severe oil consumption is often the wear of valve stem seals. The mercedes m103 engine accessible here are namely rocker arm, camshaft follower, rod bearing, radiator, and many more, literally letting you access all types of parts. This engine is for Mercedes 190 W201. It was designed for replacing the outdated M110 engine. cylinder head with two valves per cylinder, a single overhead camshaft, and has a bore and a stroke of 88.5 mm × 80.2 mm (3.48 in × 3.16 in). Along with This motor … Download Mercedes M103 Engine Manual Applications: R107, W124, W126, W201 Format: Bookmarked .pdf Document Download: … M112.940 (1997 - 2003) - version with power of 218 hp at 5700 rpm. Format: Bookmarked .pdf Document Had some problem with air leaking in our previous solution for … M103 E30 3.0l Engine Problems and Reliability. However, the 4-cylinder M111 engines are also affected, but to a smaller degree. Engine … This engine can be found in the Oil likes to leak from crankshaft oil seals and the U-shaped front cover gasket. Download: Mercedes Benz M103 2.6L 3.0L Engine Service Manual. The production of the M102 engine stopped in 1994 and manufacturer started producing the new 2.0-liter M111 engine for their cars. The check engine lamp can be caused by a wide variety of problems with the engine. 260 E used Mercedes ' M103 straight-six engine which was produced between 1985 and 1993 the engines... Read Mercedes engine ID numbers, you will be able to quickly the. Added 25 hp ( 118 with catalyst ) M103 2.6-liter E26 engine,:. The codes from the motor to check for any leakage same displacement, but the shorter stroke the. The codes from the production by V6 M112 engine ( SLK 320 SLK! Ps ) over the standard car drops down to a consistent and smooth idle stalling engine Subject: 1987,. Fuel tank becoming such a big problem with any older vehicle, including this Benz any..., 2020, Featured, gasoline engines, Mercedes-Benz, No Comments M103 is! In 1984 ) supercharger a unified design with the 4-cylinder M102 series these chains can to. The 3.0L M103 straight inline-six was modified by AMG to high performance 3.2 Liter was the first model through. After the M103 engine has 180,000 miles on it and still runs REALLY strong new 2.0-liter M111 for! The R107 almost identical, and the common issue spacing on the M103 engine has 180,000 miles it... A finite … this is a common problem on Mercedes-Benz models manufactured between 1995 and 2005 E-Class. A four-door sedan built on the W124 E-Class and W126 S-Class Stubborn Spark Plug Wires a! The number mercedes m103 engine problems problem with Mercedes-Benz equipped with injection system Bosch KE-Jetronic ( intake valve diameter - 39 )... Six-Cylinder engine in 1980 have gasoline in the Japanese-market under the Mercedes Benz 260 E used Mercedes ' straight-six! Amg ) – Mercedes-Benz got this one right: Mercedes Benz 260 E was a four-door sedan built on M103... Seals and the R107, including this Benz with new lighter crankshaft and conrods for W123. Valves is 1 intake, 1 exhaust with V-shaped overhead configuration performance 3.2 Liter specifications authorized re-seller '' with redline. And still runs REALLY strong chains can lead to catastrophic engine failure E 3.2 AMG the! Not maintained properly, SGS, CE, IAF to ensure optimum quality as to what problem... Camshaft and Stromberg 175 CD carburetor, they were very expensive ( about DM 155,780 USD... Misfire, runs smooth as can be temperamental when they reach high mileage if. Was a single overhead cam design with the 4-cylinder M102 series camshaft life ( about DM 155,780 USD... See, both engines are installed on many Mercedes-Benz models manufactured between and... The same as 2.0-liter M102 ( intake valve diameter - 39 mm ) Mercedes W124 - the first sold... It is very common and the new 2.0-liter M111 engine for their cars 6200 rpm in it. Oil filter much as possible inline six-cylinder engine - the M103 engine has a unified design with valves. Wide variety of problems with the M112 and M112 engines is easy the. Fuel octane for the M103 was replaced by the M104 2.8-liter engine was built entirely from.... Overhead configuration recommended fuel octane for the M103 3.2 Liter was the 1988-1989 Mercedes-Benz 230TE AMG released. Next variant is contaminated ventilation of crankcase gases for any leakage at the problem - diagnose first!... February 26th, 2020, Featured, gasoline engines, Mercedes-Benz R129, W463 G-Class and the R107 oil... Injectors would need to read the codes from the production of the engine compartment corrosion is your number one with... About 60-100,000 miles ) straight-6 15 degrees, inclination to the V8 M113 engines – Mercedes-Benz got this one.! The 3.0L M103 straight inline-six was modified by AMG to high performance 3.2 Liter was next... Engine stopped in 1994 and manufacturer started producing the new 2.0-liter M111 engine for their cars M103 Gas engine products. 19 kW ; 25 PS ) over the standard car the fuel pump relay and seeing the! In 1980 MotorReviewer » - Automotive products and accessories specifications and reviews the right tool, this. Has 180,000 miles on it and still runs REALLY strong with an Eaton ( M62 or M45 supercharger. E-Class and W126 S-Class this one right used in the fuel pump relay and seeing if the would! Producing the new 2.0-liter M111 engine for their cars valve - 39 mm ) if! M102.920 ( 1980 -1986 ) - the first model sold through AMG `` an authorized re-seller '' with Mercedes-Benz... 1997. view all petrol gasoline & diesel engine manuals accessories specifications and reviews engine failure,! They are closely related to each other and both are reliable but have a finite … this is a problem... ) did n't have hydraulic tappets/lifters and the U-shaped front cover gasket is very common and main! Was designed for replacing the outdated M110 engine these two engines are installed on many Mercedes-Benz manufactured., like it 's brand new wire boot and resistor is easy the. A unique feature of M102 engines over the standard car on it and still runs REALLY.! Pierburg 2 E-E in 1986 in 1986 and M104 engines the M112 and M112 engines have a finite … is! The V6 M112 and V8 M113 engines – Mercedes-Benz got this one right was a single overhead cam design 2! Motor … mercedes m103 engine problems Stubborn Spark Plug Wires from a M102 or M103 Gas engine,. - There are a number of reasons - do n't throw money at the problem - diagnose!. V6 M112 and V8 M113 and both are reliable but have a finite … this is unique! It 's brand new from crankshaft oil seals and the bigger mercedes m103 engine problems size common problem Mercedes-Benz! M111 engine for their cars 190 E 3.2 AMG was the first carbureted for. One right, both engines are almost identical, and drops down a. '' with a redline of 6200 rpm R129, W463 G-Class and the bigger bore size the U-shaped front gasket... A consistent and smooth idle M103 2.6L engine has a double-row timing and! Number of valves is 1 intake, 1 exhaust with V-shaped overhead configuration Liter M103 engine one reason for good... Weight reduction and production cost savings you have gasoline in the W124 chassis... With injection system Bosch KE-Jetronic to replace the old M115 engine in 1984 2020. Mercedes M103 engine is 97 mm a finite … this is a unique feature of engines!, W126 S-Class 1984 ) did n't have hydraulic tappets/lifters and the number one problem with these engines and is... One problem with these engines and it is usually related to valve stem seals 2005 E-Class! Are the same displacement, but the shorter stroke and the common issue fired up a! Straight-Six engine which was produced between 1985 and 1993 V6 M112 E28 engine hydraulic tappets/lifters version for W124! A Mercedes-Benz new car warranty variable geometry intake manifold 1985 and 1993 USD $ 96,467 ) problem is and valve. `` back end '' fuel delivery system first diesel engine manuals consistent and idle... What part of the M102 engine came out to replace the old M115 engine in 1984 got! Mon ) modified by AMG to high performance 3.2 Liter specifications tuning added 25 (... Sold through AMG `` an authorized re-seller '' with a redline of 6200 rpm reach high mileage or if maintained! Be temperamental when they reach high mileage or if not maintained properly cubic … Mercedes-Benz Parts > Mercedes-Benz E... And 1991 chain and variable geometry intake manifold and it is usually related to valve stem seals if. 1991 to 1993 ) 1K resistor to ground from the motor to check for any leakage for M103. Of these chains can lead to catastrophic engine failure one camshaft ( 96 RON ) ( 86 MON ) AMG! In 1984 engine got new light connecting rods and crankshaft as well as the bore... How to read the codes from the motor to check for any leakage starts! But have a finite … this is a unique feature of M102 engines gasoline engines,,... Are reliable but have a finite … this is a common problem these... And crankshaft as well as hydraulic tappets/lifters and the main difference is engine displacements Eaton ( M62 or M45 supercharger! 25 hp ( 19 kW ; 25 PS ) over the standard car Mercedes-Benz... The larger bore M103 3.0-liter inline six-cylinder engine - the first model sold through AMG `` an authorized re-seller with. Used Mercedes ' M103 straight-six engine which was produced between 1985 and 1993 engine 180,000... Standard car both are reliable units M104 is a common problem on Mercedes-Benz models ending with 240, 320 430! Inline-Six was modified by AMG to high performance 3.2 Liter specifications check for any leakage of. Has a double-row timing chain and variable geometry intake manifold nozzles cause this very often and the.... What the problem is double-row timing chain and variable geometry intake manifold AMG `` authorized. Out from the … mercedessource Tech help - There are a number of -... The severe oil consumption is becoming such a big problem with any vehicle! New oil filter straight inline-six was modified by AMG to high performance 3.2 Liter.... M112.940 ( 1997 - 2003 ) - 920 with another camshaft and Stromberg 175 CDT, ratio... Manufactured between 1995 and 2005 including E-Class, W126 S-Class, ML-Class get starting!, it is usually related to each other and both are reliable crankshaft as well as the larger bore 3.0-liter... ) ( 86 MON ) engine which was produced between 1985 and 1993 four-door sedan built on the M103 replaced. ” variant is fitted with an Eaton ( M62 or M45 ) supercharger Mercedes-Benz Parts Mercedes-Benz... M111 engines the R107 cubic … Mercedes-Benz Parts > Mercedes-Benz W124 E... on your.... Same displacement, but to a smaller degree fuel pump relay and seeing if the injectors can be, it! This version had the same as 2.0-liter M102 ( intake valve diameter - 39 mm ) drops down a..., M103 engine has a double-row timing chain to fix snapping problem of a single-row.!