mercedesbenz Workshop Repair Guides

Mercedes Benz Workshop Service and Repair Manuals

Heater Core|Service and Repair > < Heater Control Valve Actuator|Locations|Page 4969
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Heater Core: Description and Operation

GF83.20-P-3123RT Heating System Heat Exchanger, Component Description

Component Identification

Location

The heating system heat exchanger is located behind the instrument panel in the A/C housing.

Task

The heating system heat exchanger warms the air flow, which is directed to the vehicle interior via the various defroster, ventilation and heater vents.

Function

Heated coolant flows through the heating system heat exchanger when heat is required

The heat is conducted to the outside via the coiled pipes and lamella. This in turn warms the passing air flow, which is directed to the vehicle interior via
the various defroster, ventilation and heater vents.

Heater Core|Service and Repair > < Heater Control Valve Actuator|Locations|Page 4969