![]() ![]() Ignition system: Bosch KE-Jetronic (CIS-E) injection.A few of these engines were originally installed in the SL 3.4 AMG. There were 3.4 L conversions done to the 3.0 L M104.980 by AMG, prior to their formal cooperation with Daimler Benz.ĪMG developed a 3.4 L M104 that was used principally in the 300E AMG 3.4, AMG 3.4 CE and 300TE-3.4 AMG ( Mercedes-Benz W124) vehicles, produced between 1988-1993. Ignition system: electronic ignition system.Ignition system: ignition mapping controlįor the 3.2 L (3,199 cc), the compression ratio is the same 10.0:1 on all W210, R129, and W140 but it did differ from 9.2:1 to 10.0:1 on W124 (M104.992).Coolant capacity: 9 litres (2.4 US gal 2.0 imp gal).Lubrication system: pressure circulation.In 1993, two capacities replaced the 3.0 litre: a 2.8 L 170.8 cu in (2,799 cc) replaced the old single-cam M103 engine and the 3.2 litre M104.99x replaced the double-cam M104.98x. Torque 4600 rpm: 265 N⋅m (195 lb⋅ft) (without catalytic converter).The 3.0 L (2,960 cc) M104 featured KE-Jetronic fuel injection, cylinder specific ignition-timing, variable valve timing and under-piston cooling jets. The M103 and M104.98x were later replaced by the 2.8-litre and 3.2-litre versions of the M104. The M104 featured dual overhead camshafts and four valves per cylinder. top model completing the line-up of M103 12V engines. This 3.0 L (2,960 cc) 24v was introduced as a sports car resp. Only the engine cover and aircleaner housing is by Mercedes-Benz. This version is unrelated to other engines designated M104. An agreement was reached and the engines were sold semi-completed to Mercedes-Benz. The bore spacing on all M104 engines is the same as the M103 engine at 97 mm.Īs Mercedes needed a compact 6-cylinder for their Vito, they agreed with Volkswagen to use their VR6 engine, which they then designated M104.900. The M104 continued in production until 1999 where its last use by Mercedes-Benz was in the W140 chassis. It replaced the M103 and was replaced by the M112 V6 starting in 1997. ![]() It has a double overhead cam design with 4 valves per cylinder, and used a crossflow cylinder head. The Mercedes-Benz M104 is a straight-6 automobile engine produced from 1989 through 1999. Straight-6 (Except M104.900, refer VW VR6)īosch KE-Jetronic electronically controlled, mechanical fuel injection (CIS-E)/ Bosch Motronic integrated electronic injection/ignition (HFM)Ģ65–385 N⋅m (195–284 lb⋅ft) at 4600 rpm M104.98x ![]()
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