Mercedes-Benz M104 engine

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The Mercedes-Benz M104 was a straight-6 automobile engine produced from 1990 through 1997. It was a double overhead cam design with 4 valves per cylinder. It replaced the M103 and was replaced by the M112 V6 starting in 1997. The M104 continued in production under license by SsangYong Motor Company of Korea.

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[edit] 2.8

The 24v engine replaced the 12v 3.0 L M103 engine. After the W124 received a facelift 2 capacities replaced the 3.0 litre, a 2.8 litre lower power version and a 3.2 litre version. The 2.8 L M104 was also used in the W202 C-Class model C280 and in the W140 S-Class model S280 (the latter was not sold in North America).

[edit] 3.0

This engine was found in the W124 300E-24 models, W124 300CE-24 models and R129 300SL-24 models.

[edit] 3.2

The 3.2 L (3190 cc) version produced 217 hp (161 kW) at 5500 rpm and 229 ft·lbf (310 N·m) at 3750 rpm. This engine was found in the W124 and W210 E-Class, W140 S-Class, W463 G-Class, and R129 SL-Class.

[edit] 3.6

There were 3.6 L conversions done to both the M103 and M104 by Brabus, among others.

AMG developed a 3.6 L M104 that was used in the C36 AMG (W202) and E36 AMG (W124) vehicles.