This 3.0 L (2960 cc) 24v DOHC was introduced as a sports car resp. top model completing the line-up of M103 12V engines. M103 and this engine were replaced by the later 2.8l and 3.2l versions of M104. It was found in the W124 300E-24 models, C124 300CE-24 models, T124 300TE-24 models and R129 300SL-24 models. The 3.0 L M104 produced 217 hp (162 kW) to 228 hp(without catalytic version) and features KE-Jetronic fuel injection, cylinder specific ignition-timing, variable valve timing and under-piston cooling jets.