mercedesbenz Workshop Repair Guides

Mercedes Benz Workshop Service and Repair Manuals

Heater Core > < AR07.16-P-1090GZB Remove/Install Common Rail Diesel Injection (CDI) Coolant Temperature Sensor|Page 5561
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Heater Control Valve: Description and Operation

GF83.20-P-2117RT Coolant Shutoff Motor, Component Description

- with CODE (581) Comfort automatic air conditioning
- with CODE (582) Rear air conditioning

Component Identification

Location

The rear air conditioning coolant shutoff motor is located in the left rear above the wheelhouse

Task

If only front air conditioning functions are selected via the comfort AAC (KLA) control and operating unit (N22/7), the coolant shutoff motor shuts off
the coolant supply to the rear air conditioning.

Heater Core > < AR07.16-P-1090GZB Remove/Install Common Rail Diesel Injection (CDI) Coolant Temperature Sensor|Page 5561