Mercedes Climate Control Rotary Dial Repair Service ECU Disassemble and inspect the internal

Disassemble and inspect the internal lighting circuit

AB39-14b321-AF

ATE Unit Numbers:

Inspect and repair signal input circuits for crank/cam sensors

Rough idle or stalling

Mercedes Climate Control Rotary Dial Repair Service ECU Disassemble and inspect the internalMercedes 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