Mercedes-Benz Engine

M113

The Mercedes-Benz M113 is a SOHC V8 gasoline piston engine.

Years
1997–2011
Configuration
V8
Fuel
Gasoline
Top power
517 PS
Mercedes-Benz M113 V8 engine

The V8 that replaced four cams with three valves — simpler, lighter, and the backbone of a decade of AMG.

Introduced in 1997 as the M119’s successor and a V8 twin to the new M112 six, the M113 stepped back from DOHC complexity: one cam per bank, three valves and two spark plugs per cylinder, Alusil block, fracture-split rods and a magnesium dual-length intake. The single large exhaust valve cut heat loss so the catalyst lit off faster — emissions first, then torque. Displacements ran 4.3, 5.0 and 5.4 liters; the 5.0 alone powered everything from the W220 S 500 to the R129 SL 500 and the R230 that followed.

AMG first built a hotter naturally aspirated 5.4, then in 2002 bolted on a Lysholm screw supercharger — the M113K that defined the E 55, SL 55, CLK 55 and CLS 55. By the late 2000s the M273 and the in-house M156 had taken over most duties; the last M113s, in the R171 SLK 55 AMG, ran until 2011.

Versions.

Every factory version of the M113.

VersionDisplacementBore × StrokeCompressionPowerTorque
113.9404,266 cc 89.9 × 84 mm 10205 kW (275 hp; 279 PS) at 5,750 rpm400 N·m (295 lb·ft) at 3,000 rpm
113.9414,266 cc 89.9 × 84 mm 10205 kW (275 hp; 279 PS) at 5,750 rpm400 N·m (295 lb·ft) at 3,000 rpm
113.9424,266 cc 89.9 × 84 mm 10200 kW (268 hp; 272 PS) at 5,750 rpm390 N·m (288 lb·ft) at 3,000 rpm
113.9434,266 cc 89.9 × 84 mm 10205 kW (275 hp; 279 PS) at 5,750 rpm400 N·m (295 lb·ft) at 3,000 rpm
113.9444,266 cc 89.9 × 84 mm 10225 kW (302 hp; 306 PS) at 5,850 rpm410 N·m (302 lb·ft) at 3,250 rpm
113.9604,966 cc 97 × 84 mm 10225 kW (302 hp; 306 PS) at 5,600 rpm460 N·m (339 lb·ft) at 2,700 rpm
113.9614,966 cc 97 × 84 mm 10225 kW (302 hp; 306 PS) at 5,600 rpm460 N·m (339 lb·ft) at 4,250 rpm
113.9624,966 cc 97 × 84 mm 10218 kW (292 hp; 296 PS) at 5,500 rpm456 N·m (336 lb·ft) at 2,800 rpm
113.9634,966 cc 97 × 84 mm 10225 kW (302 hp; 306 PS) at 5,600 rpm460 N·m (339 lb·ft) at 4,250 rpm
113.9644,966 cc 97 × 84 mm 10225 kW (302 hp; 306 PS) at 5,600 rpm460 N·m (339 lb·ft) at 2,700 rpm
113.9674,966 cc 97 × 84 mm 10225 kW (302 hp; 306 PS) at 5,600 rpm460 N·m (339 lb·ft) at 2,700 rpm
113.9694,966 cc 97 × 84 mm 10225 kW (302 hp; 306 PS) at 5,600 rpm460 N·m (339 lb·ft) at 2,700 rpm
113.9714,966 cc 97 × 84 mm 10225 kW (302 hp; 306 PS) at 5,600 rpm460 N·m (339 lb·ft) at 2,700 rpm
113.9805,439 cc 97 × 92 mm 10.5260 kW (349 hp; 354 PS) at 5,500 rpm530 N·m (391 lb·ft) at 3,000 rpm
113.9815,439 cc 97 × 92 mm 10.5255 kW (342 hp; 347 PS) at 5,500 rpm510 N·m (376 lb·ft) at 2,800 rpm
113.9825,439 cc 97 × 92 mm 10.5260 kW (349 hp; 354 PS) at 5,500 rpm525 N·m (387 lb·ft) at 3,000 rpm
113.9845,439 cc 97 × 92 mm 10.5255 kW (342 hp; 347 PS) at 5,500 rpm510 N·m (376 lb·ft) at 2,000 rpm
113.9855,439 cc 97 × 92 mm 10.5260 kW (349 hp; 354 PS) at 5,500 rpm530 N·m (391 lb·ft) at 3,000 rpm
113.9865,439 cc 97 × 92 mm 10.5265 kW (355 hp; 360 PS) at 5,500 rpm530 N·m (391 lb·ft) at 3,150 rpm
113.9895,439 cc 97 × 92 mm 11265 kW (355 hp; 360 PS) at 5,750 rpm510 N·m (376 lb·ft) at 4,000 rpm
113.9905,439 cc 97 × 92 mm 9350 kW (469 hp; 476 PS) at 6,100 rpm700 N·m (516 lb·ft) at 2,650 rpm
113.9925,439 cc 97 × 92 mm 9350 kW (469 hp; 476 PS) at 6,100 rpm700 N·m (516 lb·ft) at 4,500 rpm
113.9935,439 cc 97 × 92 mm 9350 kW (469 hp; 476 PS) at 6,100 rpm700 N·m (516 lb·ft) at 2,650 rpm
113.9955,439 cc 97 × 92 mm 9380 kW (510 hp; 517 PS) at 6,100 rpm720 N·m (531 lb·ft) at 2,600 rpm

Applications.

Every model powered by the M113.

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