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AB39-14b321-AF
In such cases
Inspect and repair signal input circuits for crank/cam sensors
" "Service Brake System
including situations where:
Mercedes Climate Control Rotary Dial Repair Service ECU AB39-14b321-AFMercedes Climate Control Rotary Dial Repair ServiceLeft or Right Temperature Adjustment Fault This is a repair service for the rotary dial switches on Mercedes Benz climate control units, where either the left or right temperature control fails to respond correctly. Common Symptoms: Temperature stuck on hot or cold for one side Rotary dial unresponsive or intermittent Uneven heating or cooling between driver and passenger zones No change in
