Replace Valve Stem Seals - AR05.30-P-3510MRD

Engine 274.9 in model 213 

Engine 274.9 in model 238 

Fig 1: Valve Stem Seals Components Location - Engine 274.9 In Model 213

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
	Notes on avoiding damage through contamination and foreign objects		AH00.00-P-5000-01A
	Remove/install
1	Remove valve springs (3)		AR05.30-P-3021MRD
2	Use pliers (07) to remove valve stem seal (5)
	Specified engine oils (service) - Overview		BB00.40-P-0223-02A
		Coat valve stem seal (5) with engine oil.	AR05.30-P-3500-02MM
		Pliers	Fig 3
		Drift	Fig 2
3	Install in the reverse order

Fig 2: Identifying Drift (604 589 00 43 00)

Courtesy of MERCEDES-BENZ USA

Fig 3: Identifying Pliers (606 589 00 37 00)

Courtesy of MERCEDES-BENZ USA