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How to Replace the Key Battery for the Mercedes E-Class W213

Model: Mercedes Classe E W213 - Years 2016-2023
Part: Key

If you want to replace the battery inside the smart key of your Mercedes E-Class W213 but don't know how to do it, don't worry because this guide will walk you through it step by step. First, locate the small metal button on the bottom of the cover and press it to slide out the emergency key contained in the cover. Next, remove the back cover and slide out the side battery compartment. At this point, simply replace the old battery with the new one. Finally, reposition and reassemble all the various components you removed earlier.

Updated on 16 May 2026 by ScegliAuto

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