And also what you could do to solve the issue.
Mercedes key fob not locking doors.
Press a finger on the lock button of your key fob while the key is in the mercedes ignition.
Clk key fob won t lock unlock doors discussion in electrics vacuum ignition and ecu started by ivy apr 14 2009.
Your mercedes benz receives the lock or unlock signal from antennas installed on the car so a bad antenna module fuse can cause your key to be unable to unlock doors.
This is one of the most common reasons why your car door lock is not working.
Depending on the mb class this fuse can be found in one of the fuse boxes located in the engine bay side of dashboard under rear seat or trunk.
If your locks arenĂ¢ t working replacing the battery in the key fob could solve the issue.
Solved how to fix mercedes key fob not working smart keyfob not working with any mercedes in easy steps.
The mercedes benz owners is a completely independent organisation.
If you find a blown fuse replace it.
Continue to hold the lock button for the duration of the key resetting process.
Insert the key and turn it to the on position then press and release the lock button on the key.
The main symptoms are the key won t unlock the doors or start the car.
A key fob that won t unlock the doorway on your car or truck can be quite frustrating and even dangerous.
Press and hold the remote s unlock button.
Because your mb receives the lock unlock signal via the antennas installed on your car a bad antenna module fuse can also cause mercedes key fob to stop working.
The key starts the car just fine but neither of my keys will lock or unlock the car.
The key fob battery is dead.
You may see a blinking red light when you press a button.
So here are a few reasons why your remote key fob or clever fob is not unlocking the door.
There are five common reasons why your car door lock is not working.
Step 2 pull the key out of the ignition while continuing to hold the lock button down.