Do it yourself
Frequently asked questions about cars and motorcycles
Car tutorial (Do it yourself) Motorcycle tutorial (Do it yourself) Frequently Asked Questions

How to Replace the Key Battery for the Mercedes S550

Model: Mercedes Classe S MK 6, W222 - Years: 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
Part: Key

See other generations:
Video tutorial

If you need to replace the remote key battery on this vehicle, follow the instructions and procedure outlined below. You can also check the video.

First, extract the emergency key. Use the same key to pry open the slot on the side to release the rear cover. At this point, you will have access to the battery compartment.

Remove the old battery and replace it with the new one, ensuring the polarity remains the same. Close the cover and reinsert the emergency key.


Updated on 19 July 2026 by ScegliAuto


Related tutorials

How to Replace the Key Battery in a Mercedes S550
How to Replace the Key Battery in a Mercedes S550
Mercedes Classe S (2005-2013 / W221, MK 5) Replacing the key battery in your Mercedes S550 is a task anyone can handle and does not require the costly intervention of an expert. Just follow th…
How to Remove Cabin Filter from Mercedes S550 Dashboard
How to Remove Cabin Filter from Mercedes S550 Dashboard
Mercedes Classe S (2005-2013 / W221, MK 5) Let's see how to remove the cabin air filter on a Mercedes S-Class. We'll look at removing the components related to the cabin air filter. The cabin …
How to replace the battery of the key for the Mercedes S-Class W223
How to replace the battery of the key for the Mercedes S-Class W223
Mercedes Classe S (2020-2026 / W223) To replace the small button battery inside the key of your Mercedes S-Class W223 on your own, you need to follow the procedure described in the follo…

How to Reset the Tire Pressure Light on a MG ZS?

On the instrument cluster of the MG ZS, the tire pressure light that appears can be reset by inflating the tires to the correct pressure: this value will be indicated on the sticker attached to the driver's door pillar. Once the tires have been properly inflated, you can turn on the instrument cluster and navigate through the menu until you find the option that indicates tire pressure: if this screen shows the new values, the light will turn off; otherwise, you will need to drive for a few miles so that the sensors can read the new values and turn off the light afterward.

Watch the video!


by ScegliAuto

More videos