Mercedes-Benz 276ci Specs: 92 x 85 mm

Mercedes-Benz 276ci specs: 92 x 85 mm (3.6220 x 3.3465 in) bore and stroke. Displacement, compression and factory ratings, plus rod ratio.

At a glance

Displacement	276 ci
Cylinders	8
Bore	3.622"
Stroke	3.346"
Compression	8.0:1
Advertised power	190 hp
Years	1972–1980

This engine

Engine	Displacement	Bore × Stroke	CR	HP
M117	276 ci	3.622" × 3.3465"	8:1	190

Factory cars with a Mercedes-Benz 276ci

• Mercedes-Benz SL: 1972, M117; 1973, M117; 1974, M117; 1975, M117; 1976, M117; 1980, M117
• Mercedes-Benz S-Class: 1973, M117, 190 hp; 1974, M117, 190 hp; 1975, M117; 1976, M117; 1977, M117; 1978, M117; 1979, M117; 1980, M117

What varies across the family

This family is represented by a single engine in the database: 276 ci, 8 cylinders, a 3.622" × 3.3465" bore and stroke.

All are oversquare — bore larger than stroke, which favours revs over low-end torque.

Each engine page carries rod ratio, mean piston speed, bore/stroke character and cylinder head specs where published, and links into the calculators with its dimensions already filled in.

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