Piston Ring, Engine

S54 3.2L Piston Rings

1st groove
Height	mm	1.2 (-0.010 / -0.030)
End clearance	mm	0.20 - 0.35
Axial play	mm	0.030 - 0.070
2nd groove
Height	mm	1.5 (-0.005 / -0.030)
End clearance	mm	0.35 - 0.60
Axial play	mm	0.015 - 0.060
3rd groove
Height	mm	2.0 (-0.010 / -0.025)
End clearance	mm	0.25 - 0.50
Axial play	mm	0.020 - 0.060