Engine Mercedes M103 E26

The younger version of the M103 series developed and released as a replacement for the ancient M123 engine was the M103 E26. The basis for the creation of the 2.6-liter power unit was the M103 E30, the cylinder diameter of which was reduced to 82.9 mm (88.5 mm on the base engine). The cylinder head from the M103 E30 is adapted for the E26, the diameter of the intake valves has been reduced from 43 mm to 40 mm, and the diameter of the outlet valves from 39 mm to 35 mm. Fuel injection system – mechanical injection.

Specifications

Manufacturer Stuttgart-Bad Cannstatt Plant
Also called M103
Production years 1985-1993
Cylinder block alloy cast iron
Fuel system injector
Configuration inline
Number of cylinders 6
Valves per cylinder 2
Piston stroke, mm 80.2
Cylinder bore, mm 82.9
Compression ratio 9.2
Displacement, cc 2599
Power output, hp 160/5800 / 166/5800
Torque output, Nm / rpm 220/4600 / 228/4600
Fuel type 95
Euro standards
Weight, kg ~170
Fuel consumption, L/100 km
— city
— highway
— combined
12.4
8.2
10.2
Oil consumption, gr/1000 km up to 1500
Recommended engine oil 0W-30 / 0W-40 / 5W-30 / 5W-40 / 5W-50 / 10W-40 / 10W-50 / 15W-40 / 15W-50
Engine oil capacity, liter 6.0
Amount of engine oil for replacement, liter ~5.5
Oil change interval, km 7000-10000
Normal engine operating temperature, °C ~90
Engine lifespan, km
— official information
— real

400+

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