Remove/install slide rail in timing case cover - AR05.10-P-8484GZZ (ML350 engine 272.### ## as of 013489, ML550, GL450, GL550)

WARNING: This page does not describe the selected car, but rather 28 other vehicles, including the 2012 Mercedes-Benz GL550, 2012 Mercedes-Benz GL450, 2011 Mercedes-Benz ML63, 2011 Mercedes-Benz ML550, and 2011 Mercedes-Benz ML350. However, it is still accessible from the selected car via links, so may be relevant.

ENGINES 272.### ## as of 013489 in MODEL 164, 251

ENGINES 273 in MODEL 164, 251

Fig 1: Identifying Slide Rail In Timing Case Cover Components

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Remove right cylinder head		AR01.30-P-5780GZA
2	Remove left cylinder head		AR01.30-P-5770GZA
3	Remove timing case cover	Since cylinder heads have already been removed, it is no longer necessary to detach the oil pan in order to remove the timing case cover.	AR01.40-P-8000GZA
4	Remove tensioning rail (1a)
5	Detach slide rail (1b) to the front from the guide pin
6	Install in the reverse order
7	Check engine oil level
	Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running	Secure vehicle to prevent it from moving by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.	AS00.00-Z-0005-01A
8	Carry out an engine test run and check engine for leaks
9	Inspect cooling system for leaks		AR20.00-P-1010GZC