Do it yourself
Frequently asked questions about cars and motorcycles

How to Replace the Key Battery of a Mercedes SLK

Model: Mercedes Slk R170, MK 1 - Years 1997-2004
Part: Key

How to replace the battery and cover of the key remote for a Mercedes SLK? Here's how: take your remote and press the button to release the metal key. Once the key is extracted, use a lever to separate the two covers (as shown in the video). Remove the battery from the housing (after separating the two halves of the covers), take a new one of the same size and voltage. Refit the plastic battery holder into the remote cover, then insert the metal key back into the cover. Check the remote's proper operation.

Updated on 9 March 2026 by ScegliAuto

Video tutorial

Related tutorials

Mercedes Slk (2004-2011 / MK 2, R171) Today's guide shows you how to remove and replace the battery in the key fob for the Mercedes SLK in simple and quick steps. First, take your key fob…
Mercedes Slk (2004-2011 / MK 2, R171) In this tutorial, we can see how to replace the battery in the Mercedes SLK, an extremely simple and quick operation. First of all, make sure that th…
Mercedes Slk (2011-2016 / MK 3, R172) Good morning! For those who don't know, our mission is to help you with the repair and maintenance of your machines, so don't hesitate to ask us for …

Other guides you may be interested in

How to Open a Stuck Boot on the Peugeot 407?

On the Peugeot 407, the boot may become stuck, possibly due to a problem with the control button or the lock actuator. In such cases, you can perform an emergency opening by following the simple procedure shown in this tutorial. First, open the rear doors, then lower the seat back by operating the release lever. Next, go inside the boot, locate the lock, and manually operate it using a flathead screwdriver. The boot will then be free to open.

Watch the video!


by ScegliAuto

More videos