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What is the reason for the Mercedes-Benz A not retracting the side mirrors after locking the door?

3 Answers
VanJuliana
07/29/25 9:18am
Mercedes-Benz side mirrors not automatically folding could be due to the battery being disconnected, having no power, or not setting the 'fold mirrors when locking' feature. Location of car side mirrors: Car side mirrors are located on the left and right sides of the front of the car, as well as inside the car's front. Car side mirrors reflect the situation behind, beside, and below the car, allowing the driver to indirectly see these areas clearly. They act as a 'second pair of eyes,' expanding the driver's field of vision. Types of side mirrors: Generally, there are two main types of side mirror surfaces. One is a flat mirror, similar to a typical household mirror, which provides an image the same size as seen by the naked eye. This type of flat mirror is commonly used as an interior rearview mirror. The other is a convex mirror, which provides a smaller image than seen by the naked eye but offers a wider field of view. This type of convex mirror is commonly used as an exterior side mirror and a lower side mirror.
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Evangeline
08/12/25 9:21am
I've had a Mercedes-Benz A-Class for two years and often encountered the issue of the mirrors not folding after locking the car. Actually, it's quite simple—most of the time, it's just a setting that's not configured correctly. Check the vehicle settings menu on the central display screen in your car to see if the automatic mirror folding function is enabled. Sometimes, accidentally pressing a button or a system restart can turn it off. If the setting is on but the mirrors still don't fold, it might be a blown fuse—older cars are prone to fuse failures. The fuse box is located under the driver's seat; refer to the manual for the F20 fuse and try replacing it. Another possibility is that the mirror motor gears are stuck or worn out—gently push the mirror to see if it moves. I've dealt with this issue in my car—it's a minor problem that can be fixed easily, so don't let it escalate and affect parking safety. Make it a habit to glance at the mirrors before locking the car to ensure they've folded.
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McElaina
10/06/25 4:58am
I think the main issue with the Mercedes-Benz A's mirrors not retracting lies in the electronic control system. The mirrors are driven by motors, with signals coming from the door lock module. If they don't retract when locking, first check if the automatic function is enabled in the settings. Then inspect the fuse, usually F34 in the fuse box—replace it if blown. Motor failure is rare but possible due to rusty gears; try manually retracting them with the button. Short circuits or loose connectors are common; I once fixed a friend's car by cleaning an oxidized plug. Occasionally, a software bug in the control module might occur—disconnecting the battery's negative terminal to reset could help. For severe cases, seek professional diagnosis for coding issues to avoid causing short circuits or damaging the car.
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