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How to Replace the Key Fob Battery for the Mercedes GLA

Model: Mercedes Gla MK 1, W156 - Years 2013-2019
Part: Key

In this guide, discover how to disassemble and replace the battery of the key fob for the Mercedes GLA. First, take your key fob and start removing the physical key found inside; lever inside the slot to remove the outer plastic cover, thus accessing the battery compartment, as shown in the video. At this point, remove the battery and replace it with a new one of the correct type and with the same code; reassemble the key fob and finally check its proper functioning.

Posted on 26 July 2026 by ScegliAuto

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