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Home >> Mercedes Benz >> 2009 >> S550 Base >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Air Intake, Turbo Charging -- S-Class (221) >> Basic Knowledge >> Charge pressure cooler, location/task/design/function - GF09.41-P-3100M

Charge pressure cooler, location/task/design/function - GF09.41-P-3100M

ENGINE 275.950 in MODEL 215, 220 

ENGINE 275.951 in MODEL 230 up to Model Year 08 /AEJ 07 

ENGINE 275.953 in MODEL 216, 221 up to Model Year 08 /AEJ 07 

ENGINE 275.954 in MODEL 230 up to Model Year 08 /AEJ 07 

ENGINE 275.980 in MODEL 215, 220 

ENGINE 275.981 in MODEL 230 up to Model Year 08 /AEJ 07 

ENGINE 275.982 in MODEL 216, 221 up to Model Year 08 /AEJ 07 

ENGINE 285.950 in MODEL 240 

ENGINE 285.980 in MODEL 240 

Fig 1: Identifying Charge Pressure Cooler Components
G07630305Courtesy of MERCEDES-BENZ USA
  Charge air cooler position For each cylinder bank, a charge air cooler is mounted behind the air filter.  
  Charge air cooler task Cool off charge air which is compressed and heated by the turbochargers.  
  Charge air cooler design The compact charge air coolers out of aluminum are designed as a water/air cooler. Its own low temperature cooling circuit dissipates the heat.  
  Charge air cooler function   GF09.41-P-3100-01M