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Michael Warfield
Michael Warfield, Factory Mercedes-Benz Technician
Category: Mercedes
Satisfied Customers: 3142
Experience:  Mercedes-Benz Master Certified technician
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Some rain seems to have got in to the relay system. when i

Customer Question

some rain seems to have got in to the relay system. when i approach the car and press the open button on the remote the buttons on the doors are clicking up and down. at this point the car is still not open i keep pressing the open and close and then the door will open in the close position. when in the car and just about to drive off you here the click of the relays and buttons for a few seconds what should i do regards mick
Submitted: 1 year ago.
Category: Mercedes
Expert:  Michael Warfield replied 1 year ago.

Are both front locks doing the same thing, or just the driver's side? This is a very common problem and almost always caused by a faulty lock actuator in the driver's side door. Once the lock actuator starts to become electrically faulty, it ratchets up and down really fast when you try and lock or unlock it. Let me know if its one or both.