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How to Replace the Remote Battery on a Mercedes

Model: Mercedes Mercedes Various
Part: Key

Video tutorial

In this tutorial, you will see how to replace the remote battery on a Mercedes, an extremely simple and quick operation. You will need two small flat-head screwdrivers and a replacement CR2025 battery.

First, extract the emergency metal key by pressing the designated button, then insert the screwdriver into the indicated slot and, by levering, unlock the rear cover. Next, remove the old battery, position the replacement respecting the polarity, and reassemble everything by following the reverse procedure.


Updated on 29 September 2026 by ScegliAuto


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by ScegliAuto

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