What to do if Mercedes key battery dies?
SmartKey®: Start by pulling the latch at the end of the key holder, push your key horizontally into the open slot, and then lift the battery out of the compartment. Chrome SmartKey®: Pull the tab at the bottom, remove the cover by pushing the key into the narrow end of the slot. Then, place the battery inside.
Why won’t my Mercedes key unlock my car?
You could have a dead battery or some fault in your car. If that’s not the issue, then it could just be your battery in your key fob. Your resident Mercedes-Benz dealer, perhaps Mercedes-Benz of Scottsdale, can take care of that for you or you can refer to your manual to replace it yourself.
How do you open a Mercedes with a key from the outside?
To start the vehicle using the factory key fob, press the panic button once for 1⁄2 second and release. The vehicle parking lights will flash once to confirm and then the engine will start within 5 seconds. Once the engine has started the parking lights will flash once every 5 seconds.
Why won’t my car unlock with remote or key?
A bad battery in the key fob is most commonly the reason for a failure to send signals to the keyless entry system. If it is available, use the spare key fob to open the vehicle and start the ignition. If the spare fob is not available, use the provided key embedded in the fob to unlock the door.
What do I do if I locked myself out of my car?
For the best service, you should call an emergency locksmith or tow service company. Calling a local locksmith or tow company is the most efficient and will speed up the process of unlocking your car. If your insurance policy or national roadside carrier offers roadside assistance, call them first.