Mercedes-Benz Engine

M116

The Mercedes-Benz M116 is a SOHC V8 gasoline piston engine.

Years
1967–1991
Configuration
V8
Fuel
Gasoline
Top power
218 PS

Mercedes-Benz’s first production V8 — alloy heads, Bosch injection, and the 3.5 that defined the early SL.

Introduced in 1969 for the W109 300 SEL 3.5 and soon the R107 350 SL, the M116 was a 90° SOHC V8 with two valves per cylinder, initially 3,499 cc (92 × 65.8 mm) and later stretched to 3.8 and 4.2 liters. It shared architecture with the longer-stroke M117 and powered S-Class, SL and SLC models through the 1970s and 1980s, including the C107 350 SLC and late 420 SL.

By the mid-1980s Alusil blocks and catalytic calibrations kept it current, but the four-valve M119 was waiting in the wings. The last M116s left the W126 and R107 lines at the turn of the 1990s as the DOHC eights took over.

Versions.

Every factory version of the M116.

VersionDisplacementBore × StrokeCompressionPowerTorque
116.9603,818 cc 92 × 71.8 mm 9160 kW (215 hp; 218 PS) at 5,500 rpm299 N·m (221 lb·ft) at 4,000 rpm
116.9613,818 cc 92 × 71.8 mm 9160 kW (215 hp; 218 PS) at 5,500 rpm299 N·m (221 lb·ft) at 4,000 rpm
116.9623,818 cc 92 × 71.8 mm 9160 kW (215 hp; 218 PS) at 5,500 rpm299 N·m (221 lb·ft) at 4,000 rpm
116.9633,818 cc 92 × 71.8 mm 9160 kW (215 hp; 218 PS) at 5,500 rpm299 N·m (221 lb·ft) at 4,000 rpm
116.9644,196 cc 92 × 78.9 mm 9160 kW (215 hp; 218 PS) at 5,200 rpm324 N·m (239 lb·ft) at 4,000 rpm
116.9654,196 cc 92 × 78.9 mm 9160 kW (215 hp; 218 PS) at 5,200 rpm330 N·m (243 lb·ft) at 4,000 rpm
116.9803,499 cc 92 × 65.8 mm 9.5147 kW (197 hp; 200 PS) at 5,800 rpm286 N·m (211 lb·ft) at 4,000 rpm
116.9813,499 cc 92 × 65.8 mm 9.5147 kW (197 hp; 200 PS) at 5,800 rpm286 N·m (211 lb·ft) at 4,000 rpm
116.9823,499 cc 92 × 65.8 mm 9.5147 kW (197 hp; 200 PS) at 5,800 rpm286 N·m (211 lb·ft) at 4,000 rpm
116.9833,499 cc 92 × 65.8 mm 9.5147 kW (197 hp; 200 PS) at 5,800 rpm286 N·m (211 lb·ft) at 4,000 rpm
116.9843,499 cc 92 × 65.8 mm 9.5147 kW (197 hp; 200 PS) at 5,800 rpm286 N·m (211 lb·ft) at 4,000 rpm
116.9853,499 cc 92 × 65.8 mm 9.5147 kW (197 hp; 200 PS) at 5,800 rpm286 N·m (211 lb·ft) at 4,000 rpm