S 500 4MATIC (220.184) V8-5.0L (113.966) (2003)
1. Use the 13-1 feeler gage to measure end clearance of compression rings between compression ring and mounting groove in the piston; replace
compression rings or piston, if necessary.
The end clearance of the oil scraper ring cannot be checked because of its three-part design. If the compression rings are replaced, the oil scraper
ring must also be replaced.
AR03.10-P-7311-02V Measure Gap Clearance of Piston Rings
Measure gap clearance of piston rings