Replace valve stem seals - AR05.30-P-3500-02A

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.

Fig 1: Identifying Pliers (606 589 00 37 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 2: Identifying Drift (119 589 00 43 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Engine 111, 271

Shown on engine 111

Use pliers (1) to pull off valve stem seals (86)
Check surface of valve stems for roughness and formation of burrs (visual inspection or with a nail).
Replace valves with a rough stem surface or formation of burrs.
Fit protective sleeve (2) onto valve stem.
Oil valve stem seals (86).
Press on the valve stem seals (86) with a drift (3).

Fig 3: Identifying Replacement Of Valve Stem Seals - Shown On Engine 111

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Engines 112, 113

Shown on Engine 112

Use pliers (1) to pull off valve stem seals (86)
Check surface of valve stems for roughness and formation of burrs (visual inspection or with a nail).
Replace valves with a rough stem surface or formation of burrs.
Fit protective sleeve (2) onto valve stem.
Oil valve stem seals (86).
Press on the valve stem seals (86) with a drift (3).

Fig 4: Identifying Replacement Of Valve Stem Seals - Shown On Engine 112

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.