The Mercedes-Benz 300D Turbodiesel was a variant of the W123 Sedan that was exlusive to the Japanese and North American markets. Introduced for the 1982 model year, the 300D Turbodiesel was powered by Mercedes' OM617.952 engine. This turbocharged 3.0L inline five initially generated 121hp and 170 lb ft of torque, but a technical update for the 1983 model year saw output increase to 125hp and 184 lb ft of torque. Drive was sent from the engine to the rear wheels through a 4 speed automatic transmission. Production of the W123 Mercedes-Benz 300D Turbodiesel ended in 1985, with a total of 75,261 examples built.