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How to Open the Key Fob for the Mercedes A-Class - B-Class

Model: Mercedes Classe A W169 - Years 2004-2012
Part: Key

In this guide, you will find the main instructions to disassemble and open the key fob for the Mercedes A-Class, as well as the B-Class. First, take your key fob and remove the physical key from inside it. Then, pry on the sides of the fob to open it into two parts, accessing the circuit board and the battery, as shown in the video. At this point, replace the battery or the shell of the key; if necessary, transfer everything to the new casing, following the video to the end!

Updated on 4 July 2026 by ScegliAuto

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How to Replace the Cabin Filter on the Opel Grandland X

If you own an Opel Grandland X and want to know the steps to replace the cabin air filter, carefully read the following guide and follow the described steps. First, enter the vehicle and go to the passenger side. Then, locate the box containing the air filter in the lower side area of the dashboard. Remove the cover of the box and finally replace the old filter with the new one. Refit the cover, and you are done.

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