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Mercedes M161 engine workshop repair manual, specifications



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Basic specs are open to everyone and include images, displacement, dimensions and weight, essential bolt tightening torques, the characteristics of the engine like its power and torque. Essential bolt tightening torques are the main bearing cap bolt torque, the connecting rod cap bolt torque and the cylinder head bolt torques.


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Mercedes M161 engine specs, bolt torques, workshop repair manual

Mercedes M161 engine repair and specifications manual


Mercedes M161 essential bolt tightening torques

Main Bearing Bolts 
Step 1 = 55 Nm
Step 2 = +90°

Connecting Rod Bolts
Step 1 = 40 Nm
Step 2 = +90°

Cylinder head bolts
Step 1 = 55 Nm
Step 2 = +90°
Step 3 = +90°


Mercedes M161, E23 M161.970 engine key specifications

Arrangement
M161-E23
in line 4 engine, 
4-stroke cycle
natural aspiration

Displacement
M161
2.295 liter

Bore
90.9 mm

Stroke
88.4 mm

Power 
 M161
108 kW @ 5500 rpm

Compression ratio:
10.4:1


Mercedes M161, E20 M161.940 engine key specifications

Arrangement
M161-E20
in line 4 engine, 
4-stroke cycle
natural aspiration

Displacement
M161
1.998 liter

Bore
89.9 mm

Stroke
78.7 mm

Power 
 M161
98 kW @ 5500 rpm

Compression ratio:
9.6:1



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