Mercedes Turbo Diesel BIG Boost OM606 Superturbo! Acceleration & Sound Misc by turboandstance - April 26, 2018February 6, 2020 The Mercedes-Benz OM606 is a 3.0 litre inline-six cylinder (R6/I6) double overhead camshaft (DOHC) diesel engine with indirect injection manufactured by Mercedes-Benz between 1993 and 2001. It replaced the single overhead camshaft (SOHC) OM603 engine. These engines have so much potential and sound so damn good with a straight exhaust