mercedesbenz Workshop Repair Guides

Mercedes Benz Workshop Service and Repair Manuals

Cylinder Head Assembly > < Piston Clearance|Page 2087
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Piston Ring: Specifications

End Gap of piston rings 

Groove 1 ................................................................................................................................................................0.030 - 0.055 mm (0.0012 - 0.0022 in)

Wear Limit ........................................................................................................................................................................................1.0 mm (0.039 in)

Groove 2 ................................................................................................................................................................0.030 - 0.055 mm (0.0012 - 0.0022 in)

Wear Limit ........................................................................................................................................................................................0.8 mm (0.031 in)

Groove 3 ................................................................................................................................................................0.025 - 0.050 mm (0.0010 - 0.0020 in)

Wear Limit ........................................................................................................................................................................................0.8 mm (0.031 in)

Vertical clearance of piston rings

Groove 1 ................................................................................................................................................................0.050 - 0.085 mm (0.0020 - 0.0033 in)

Wear Limit ....................................................................................................................................................................................0.15 mm (0.0059 in)

Groove 2 ................................................................................................................................................................0.010 - 0.030 mm (0.0004 - 0.0012 in)

Wear Limit ....................................................................................................................................................................................0.10 mm (0.0039 in)

Groove 3 ................................................................................................................................................................0.010 - 0.045 mm (0.0004 - 0.0177 in)

Wear Limit ....................................................................................................................................................................................0.10 mm (0.0039 in)

Cylinder Head Assembly > < Piston Clearance|Page 2087