The Mercedes-Benz M116 was automotive V8 engine made in several versions by Mercedes-Benz between 1969 and 1991. All models were gasoline powered, and utilized a single overhead camshaft with 2 valves per cylinder and Bosch Jetronic fuel injection. The larger M117 V8 followed, introduced initially in the US market. 3.5 The original M116 engine 116.980 was introduced August 1969 in the 300SEL 3.5. It featured 9.5:1 compression with at 5,800 rpm and at 4,000 rpm. This was enough to propel the saloon to a top speed of . This engine and its twin, the 116.981 remained in production until 1980 when it was replaced by its larger 3.8 litre variant. Bore x Stroke: Displacement Usage 1971-1980 Mercedes-Benz C107 1971-1980 Mercedes-Benz R107 1970-1972 Mercedes-Benz W108 1969-1972 Mercedes-Benz W109 1970-1971 Mercedes-Benz W111 1973-1980 Mercedes Benz W116 3.8 The 116.960 engine was introduced in 1979 featuring 8.3:1 compression with at 4,750 rpm and at 2,750 rpm. This engine reached North America later for the 1981 380SL. There were 116.961, 116.962, and 116.963 versions of this engine. Early models came with a single row timing chain until 1983 and were plagued with chain failure problems which Mercedes-Benz would repair free of charge, changing the timing chain to a dual row thus resolved the problem making these engine as durable and reliable as any other Mercedes V8. All 1984+ models came with a double row timing chain from the factory to prevent this failure, however this engine was replaced for the 1986 model year by its larger 4.2 litre variant. Bore x Stroke: Displacement Usage 1980-1982 Mercedes-Benz C107 1980-1985 Mercedes-Benz R107 1979-1985 Mercedes-Benz W126 1982-1983 Monteverdi Tiara 4.2 The 116.965 engine was introduced in 1986 for the revised S-Class. It featured 9.0:1 compression and had from depending on year and export market. All engines were mated to the Mercedes-Benz 4G-Tronic transmission. In North America, this engine was only used in 420SEL models featuring at 5,200 rpm and at 3,600 rpm. This engine was used until 1991 when it was replaced by the newer 4.2L Double overhead camshaft Mercedes-Benz M119 engine with which it shares no parts. Bore x Stroke: Displacement Usage 1986-1989 Mercedes-Benz R107 1986-1991 Mercedes-Benz W126 References External links M116 V8 engines Gasoline engines by model