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Home >> Mercedes Benz >> 1990 >> 420SEL (126.035) V8-4.2L (116.965) >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Cylinder Block Assembly >> System Specifications >> Cylinder Bore Specifications
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Cylinder Bore Specifications

Allocation Group No. Cylinder Diameter Piston Diameter (in mm)
Standard Size Std. 92.0 dia. 0 91.998 - 92.003 Millimeter (mm)91.985 - 91.990
0+ 92.003 - 92.008 Millimeter (mm)91.990 - 91.995
1 92.008 - 92.013 Millimeter (mm)91.995 - 92.000
1+ 92.013 - 92.018 Millimeter (mm)92.000 - 92.005
2 92.018 - 92.023 Millimeter (mm)92.005 - 92.010
2+ 92.023 - 92.028 Millimeter (mm)92.010 - 92.015
1st Repair Stage +0.5
Piston repair stages are only available with the group numbers 0, 1 and 2.		0 92.498 - 92.503 Millimeter (mm)92.485 - 92.490
1 92.508 - 92.513 Millimeter (mm)92.495 - 92.500
2 92.518 - 92.523 Millimeter (mm)92.505 - 92.510
2nd Repair Stage +1.0
Piston repair stages are only available with the group numbers 0, 1 and 2.		0 92.998 - 93.003 Millimeter (mm)92.985 - 92.990
1 93.008 - 93.013 Millimeter (mm)92.995 - 93.000
2 93.018 - 93.023 Millimeter (mm)93.005 - 93.010
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