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Home >> Mercedes Benz >> 2017 >> E300 Base >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Timing - 213 Chassis 2 Of 2 >> Testing & Repair >> Replace Valve Stem Seals >> Replace Valve Stem Seals - AR05.30-P-3510MSA

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

Engine 256.9 in model 213, 238, 257, 290 

Fig 1: Valve Stem Seals Components Location - Engine 256.9 In Model 213 (Example Illustration)
G13744138Courtesy of MERCEDES-BENZ USA

Example illustration 

CAUTION 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
CAUTION 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
  Notes on avoiding damage through contamination and foreign objects   AH00.00-P-5000-01A
REMOVINGINSTALLING Remove/install     
1 Remove the valve springs (3).   AR05.30-P-3021MSA 
2 Remove valve stem seals (5) using pliers (07).   AR05.30-P-3510-01MRT
REFER TO CAPACITIES & SPECIFICATIONS Specified engine oils (service) - Overview   BB00.40-P-0223-02A
    SPECIAL TOOL Drift Fig 3
    SPECIAL TOOL Pliers Fig 2
INSPECT Check     
3 Check valve stems for formation of burrs and pitting. If ridging is present of the valve stems,
↓
deburr valve stems.
If pitting is present on the valve stems,
↓
replace valves (6).
AR05.30-P-3511MSA 
4 Install in the reverse order.    
Fig 2: Identifying Pliers (606 589 00 37 00)
G13744139Courtesy of MERCEDES-BENZ USA
Fig 3: Identifying Drift (604 589 00 43 00)
G13744140Courtesy of MERCEDES-BENZ USA