mercedesbenz Workshop Repair Guides

Mercedes Benz Workshop Service and Repair Manuals

Cylinder Head Assembly > < Piston Clearance|Page 2494
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Piston Ring: Specifications

Piston Ring Grooves 

Piston ring groove 1 

Repair size 1 ..........................................................................................................................................................1.54 - 1.56mm (0.0606 - 0.0614 in)

Piston ring groove 2 

Repair size 1 ..........................................................................................................................................................1.76 - 1.77mm (0.0692 - 0.0696 in)

Piston ring groove 3

Repair size 1 ..........................................................................................................................................................3.00 - 3.02mm (0.1181 - 0.1188 in)

Vertical clearance of piston rings (Repair size 2)

Groove 1 .....................................................................................................................................................................0.20 - 0.40mm (0.0078 - 0.0157 in)
Groove 2 .....................................................................................................................................................................0.20 - 0.40mm (0.0078 - 0.0157 in)
Groove 3 .....................................................................................................................................................................0.20 - 0.45mm (0.0177 - 0.0157 in)

End Gap of piston rings  (Repair size 2)

Groove 1 .................................................................................................................................................................0.015 - 0.050mm (0.0005 - 0.0019 in)
Groove 2 .................................................................................................................................................................0.020 - 0.040mm (0.0007 - 0.0015 in)
Groove 3 .................................................................................................................................................................0.010 - 0.045mm (0.0003 - 0.0017 in)

Cylinder Head Assembly > < Piston Clearance|Page 2494