The new Mercedes BMW 3 Series 5 Series 7 Series car door lock motor motor motor block lock locking device
Lock Benz ML system fault symptom /GL /R system are the following, basically can confirm that the door lock block assembly inside the motor, or lose the function of aging burn, or wear over the period.
Problem symptom
Symptoms: 1 car remote control keys to lock the car, such as car locks can not be on the motor is broken, stop the work does not turn. The same car remote control key to unlock the lock, if not the solution, the door is not open, bad motor. Open the door from the outside, but from the inside can be opened, and then in the lock case, the outside has to open the door, if again after locking the car unlocked, or the same faults, which can open the door outside, but can't open the door. Car remote control key is to control the door inside the motor, if not control, that is completely broken motor.
2 car remote control key to lock the car, when the car door lock can sometimes, sometimes get stuck, or sometimes the remote control will be able to open the card, sometimes half do not move, open to several times so that the motor can control; aging almost, motor torque has become smaller, the motor power is not spring the lock block, the motor can rotate is, but there is no need to replace its efforts.
3 when the car in the process, the door locked, faulty door lock, which can open the door, which is very dangerous, need to quickly replace the motor.
4 when the door control button to unlock the owner, which does not open, the outside can open; when the owner or by remote control key to lock the car, outside can be opened; or when using the remote control key for the lock owner, outside open; the basic motor is bad.
Trouble solving
The 1 locks easily block replacement and maintenance, only need to disassemble the lock screw block assembly, opened with a tool then replaced on motor and back to be accomplished, full of achievements.
2 replace the motor directly or the lock block assembly which is better? The original lock block assembly 4S shop fee will be 2000 yuan, while the change of a motor is very cheap, two is more than 10 times. Because the original lock block inside the metal and plastic parts for at least 20 years of life, so after the motor is replaced with the original, is equal to the quality of the lock block assembly almost, change the motor to change the battery as the same, because the service life of carbon brush motor which expires. While the lock block inside the induction switch and IC chip, the original life is basically more than 30 years. Replace the motor, find the microchip is the best choice.
Mercedes Benz GL series /ML series /R special motor adapter models and BMW ETC
[applicable models]: Mercedes Benz GL series /ML series /R car
[Mercedes chassis No.]: W164 / W251
[for] all models: after 2005 model year
[GM] all four doors, all displacement, regardless of the front and rear doors.
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