Remove/Install Valve Stem Seals - AR05.30-P-3501MFG

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Engine 139 in model 118, 177, 247

Courtesy of MERCEDES-BENZ USA

	Risk of injury to skin and eyes due to handling of engine oil. Risk of poisoning caused by swallowing engine oil	Wear protective gloves, protective clothing and safety glasses. Do not fill engine oil into beverage containers.	AS18.00-Z-0001-01A
	Risk of injury caused by scraping or cutting body parts on sharp vehicle parts	Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. Deburr repair panels.	AS00.00-Z-0017-01A
	General information on checking valves, valve seats and valve guides		AH05.30-P-1000-02SZ
	Check
1	Remove valve springs (3).		AR05.30-P-3021MFG
2	Use pliers (07) to remove valve stem seal (5).		AR05.30-P-3510-01MFG
	Specified engine oils (service) - Overview	Oil valve stem seals (5) and press on with a drift (08). Install the valve stem seals (5) with a brown seal on the exhaust side and those with a green seal on the intake side.	BB00.40-P-0223-02A
		Pliers	Fig 2
		Drift	Fig 1
3	Install in the reverse order.

Fig 1: Identifying Drift (604 589 00 43 00)

Courtesy of MERCEDES-BENZ USA

Fig 2: Identifying Pliers (606 589 00 37 00)

Courtesy of MERCEDES-BENZ USA