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How to Change the Key Battery of My Mercedes?

Model: Mercedes Mercedes Various
Part: Key

When the battery of your Mercedes key runs low and you need to change it, this guide will be very useful. Take the car ignition key and remove the metal key from the housing. Insert a screwdriver into the slot and press at the right point; a click will open the plastic cover of the key. At this point, remove the depleted battery and insert the new one, then close the key fob with the cover and finally insert the metal key. Use the buttons on the top of the key cover to check the operation with the new battery; if it does not work, take it to a technician.

Updated on 8 June 2026 by ScegliAuto

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