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Home >> Mercedes Benz >> 2000 >> SLK230 Standard >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Air Intake, Turbo Charging -- 170 Chassis >> Basic Knowledge >> Charge pressure cooler location/Function/Design/Operation - GF09.41-P-3100 >> Charge pressure cooler location/task/design/function - GF09.41-P-3100IB >> Charge air cooler function - GF09.41-P-3100-01H

Charge air cooler function - GF09.41-P-3100-01H

Low temperature circuit 

Fig 1: Identifying Charge Air Cooler Function
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The charge air cooler (110/2) is connected to a separate coolant circuit with a low temperature cooler (110/11) and an electrical charge air cooler circulation pump (M44). The air heated during the charge operation dissipates its heat to the coolant which flows through the charge air cooler.

The coolant is subsequently cooled in the low temperature cooler and then pumped back to the charge air cooler from the charge air cooler circulation pump.

The cylinder volumetric efficiency is improved by the charge air cooler as well as the NO generation is reduced by lower exhaust gas temperatures.

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