You may have either a chrome key or a smart key and that impacts how the batteries are changed.
Mercedes benz key fob battery replacement instructions.
Here s easy step by step battery replacement for your keyless remote fob for your mercedes benz if it s shaped just like this.
We strongly recommend using a lithium battery like these ones as they last much longer.
If your mercedes benz key buttons are broken you don t need to buy a new key.
There s no reason to get frustrated.
Replace your mercedes benz key fob battery when it comes time to change the battery in your mercedes benz key fob there are a few simple steps to follow.
Determine your key type.
Easy to replace quick replace.
No programming is required when changing the mercedes benz key fob battery.
Learn how to change your mercedes benz key battery on your own below with this guide from mercedes benz of honolulu.
These videos will show how to change the battery on different mercedes benz key fob remotes.
Compare your key to other models before you attempt changing its batteries to avoid damaging your keys or accidentally following the wrong instructions.
Mercedes benz key fob battery change how to diy learning tutorials this is much easier than i thought.
In most cases you can simply replace just the key shell.
Learning how to change the battery in your mercedes benz key only takes a moment and we can even take care of the problem for you at our service center in vienna.
Mercedes benz smart key battery tutorial.
Like any battery these batteries sometimes die and need to be replaced.
If your smart key doesn t seem to be working.
Slower starts a shorter range and lit up dashboard warning lights may all be symptoms of a dying mercedes benz key fob battery.
While both mercedes benz keys take the same type of battery the kind of key you have will impact the number of batteries you need and how you perform your mercedes benz key fob battery change.
Although all mercedes keys require the same type of battery cr 2025 how many you will need or the method you use to change the battery will depend on which model you have.
The smart keys are fitted with small batteries like those used in watches.
Mercedes benz vehicles come with smart keys that serve as key fobs for entry to and ignition of the vehicle.
Watch the video above or scroll down below to find step by step instructions.
There are several mercedes smart key remotes so make sure to look at the correct video.