Why does my Mercedes CL Class say no key detected?

Why does my Mercedes CL Class say no key detected?

You might have a issue with the keyless go system or your EIS ( electronic ignition switch) For sure try what Auto Centric recommends to check the starter battery but i dont think a starter battery will give you a No Key Detected message. If remote key battery does not work. I would try another remote key and if that does not work.

What to do if your Mercedes key fob is not working?

Press and hold the remote’s unlock button. In 1-2 seconds, press the remote’s lock button five times in a row while holding the unlock button. Good Luck. Thanks for watching, Enjoy, and please don’t forget to: LIKE, COMMENT, FAVORITE, SHARE and SUBSCRIBE. Please SUBSCRIBE, If you haven’t done so yet, take a look around.

Why does my car anti theft system not work?

Check the key. The key itself could be the culprit for the anti theft system car wont start. The keys have a built-in chip that sends a code to the alarm system when you insert it into the ignition. That chip won’t work in case of a broken or damaged key.

How to unlock the Chrysler anti theft system?

If you repeat the starting procedure with the wrong key, the system will disengage the starter on the 7th attempt. The only way to unlock the system at that point is to use the proper key, or have the system reprogrammed with a factory scan tool or by doing a customer learn procedure.

Why is my remote keyless entry transmitter not working?

If your remote keyless entry transmitter is not working properly, it is likely because of one of the following problems: 1. The battery in the transmitter is dead. 2. A key is already in the vehicle’s ignition switch. 3.

What should I do if my Mercedes key fob is not working?

If you need a replacement battery note that Mercedes-Benz uses CR2025 battery type. Ensure you have new batteries in your key fob. Next, look carefully at your Mercedes-Benz key. When you press the button on your key you should see a small RED led light. The light should light up every time you press any of the buttons (Lock, Unlock, Panic, Trunk).

How do you program a Mercedes fob remote?

There are a few cases when you need to program your key fob remote to your Mercedes-Benz. Below you will find general instructions on how to synchronize a Mercedes key fob. For model specific instruction check your owner’s manual. Insert the key into the ignition. Quickly remove key from ignition and within 10 seconds hold down the lock button.

How can I tell if my key fob remote is bad?

When you press the button on your key you should see a small RED led light. The light should light up every time you press any of the buttons (Lock, Unlock, Panic, Trunk). Does the red LED light turn on? If the light doesn’t turn on, then you have a bad key fob remote.