Checking hydraulic valve clearance compensating elements - AR05.00-P-2010HW

WARNING: This page does not describe the selected car, but rather 42 other vehicles, including the 1999 Mercedes-Benz S600, 1999 Mercedes-Benz S500, 1999 Mercedes-Benz S420, 1999 Mercedes-Benz S320, and 1999 Mercedes-Benz CL600. However, it is still accessible from the selected car via links, so may be relevant.

ENGINE 601, 602, 603, 604, 605, 606 (except, 602.982)

Fig 1: Identifying Compensating Elements And Tool

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

	Checking
1	Check engine oil level, correct
2	Warm engine up to operating temperature	Coolant temperature 60-80 °C
3	Remove cylinder head cover	Engine 601-603
		Engine 604-606	AR01.20-P-5014HA
4	Rotate engine at crankshaft until cam at the compensating element to be inspected is at its base circle	Do not rotate engine in opposite direction of rotation. Compensating elements which are not positioned at the base circle of the cam should be replaced.
5	Use a suitable tool to press compensating element (4) by hand	Do not use a steel tool. Press compensating element (4) with normal hand force. If excessive pressure is used, the compensating element (4) appears to drop. In reality the valve opens. If one compensating element (4) drops compared to the others ↓
		Remove valve clearance compensating element engine 601-603	AR05.00-P-2011HX
		Remove valve clearance compensating element engine 604-606 If several compensating elements (4) drop, inspect oil gallery and oil feed drillings of the compensating elements for impurities.	AR05.00-P-2011HY
6	Install in the reverse order