Mercedes-Benz M103 engine

The Mercedes-Benz M103 was a straight-6 automobile engine produced from 1986 through 1993. It was a single overhead cam design with 2 valves per cylinder. The M103 was replaced by the DOHC M104 starting in 1990.

3.0

The 3.0 L (2962 cc) version produced 177 hp (131 kW) at 5700 rpm and 188 ft·lbf (254 N·m) at 4400 rpm. This engine was found in the W124 E-Class, W126 S-Class, and W201 190E.