Mercedes Benz W140 S300 S320 S400 S500 S600 door suction pump motor
As the use time increases, the door generally has problems with poor door suction performance, the aging fatigue of the door suction motor may cause the motor working current to increase the motor overheating and other faults.
The ECU will fail to protect the door stop. Under normal circumstances, the door suction motor can be replaced without leaking and the door sinking to repair the fault.
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