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How to Repair the Infrared Comfort Closure on a Mercedes A-Class W169

Model: Mercedes Classe A W169 - Years: 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
Part: Checks and maintenance

See other generations:
Video tutorial

Let's see how to repair the closure on the Mercedes A-Class, which allows you to close the windows by bringing the key closer. Remove the handle by unscrewing it from the door thickness: take off the rubber cover at the handle height, and with a Torx screwdriver, enter the slot and unscrew the 20 mm screw.

To remove the sensor, however, you need to drill the block with a fine-point drill. The sensor is indeed damaged, and some solder points are missing on the circuit.

The YouTuber now heats the circuit to remove the protection and resolder the two points together. Once soldered, seal it with silicone, securing the solder joint, and put it back in the lock (holding it with a zip tie, since the lock stops have been removed).

Clean the area and put it back in place. Job complete.


Updated on 14 August 2026 by ScegliAuto


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Where is the Starter Motor Fuse Located in the Renault Scenic?

In this video, you can see where the starter motor fuse is located in the Renault Megane, which is the first component to check in case of sudden malfunction. As shown, it is found in the fuse box within the engine compartment, to your right when facing the vehicle. To access it, first remove the plastic cover and then lift the fuse box. The fuse in question is located on the lower side, between the two connectors, and is rated at 25A. If faulty, ensure you use a replacement with the same specifications.

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by ScegliAuto

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