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Home >> Mercedes Benz >> 2006 >> C280 Base >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Crank Assembly -- Leak At Front Crankshaft Sealing Ring -- 203 Chassis >> Trouble Diagnosis >> Engine leaks at front crankshaft radial sealing ring - AF03.20-P-4042AU

Engine leaks at front crankshaft radial sealing ring - AF03.20-P-4042AU

ENGINE 271.940 ## as of 040826 up to 057896 in MODEL 203.042 /242 /742, 209.342 /442 

ENGINE 271.946 ## as of 040826 up to 057896 in MODEL 203.046 /246 /746 

ENGINE 271.948 ## as of 040826 up to 057896 in MODEL 203.740 

ENGINE 271.942 ## as of 040826 up to 057896 in MODEL 209.343 /443, 203.243 

ENGINE 271.941 ## as of 040826 up to 057896 in MODEL 211.042 

ENGINE 271.943 ## as of 040826 up to 057896 in MODEL 211.043 

OPERATION NO. OF OPERATION TEXTS OR STANDARD TEXTS AND FLAT RATES

Category Op. no. Operation text Time Acc. no. Code
P 030000 Replace front crankshaft radial sealing ring - on belt drive side, model 203 012 WU - -
P 030000 Replace front crankshaft radial sealing ring - on belt drive side, model 209, 211 011 WU - -
Damage code Cause Remedy  
03 007 09 IMPORTANT In the event of leakage at the front crankshaft radial sealing ring of the engine, replace vibration damper as well as crankshaft radial sealing ring. 1 Remove/install/replace crankshaft radial seal AR03.20-P-3000Q
  IMPORTANT Due to a production error on the race of the vibration damper, engine oil can exit at the sealing ring. 2 Remove/install/replace vibration damper. AR03.30-P-1600QK
    IMPORTANT Engines of the following engine number range may be affected:  
    End number: 040826...057896