Can you start a Mercedes without the fob?
Mercedes KEYLESS START®: With KEYLESS START®, you can step on the brake or press the Start/Stop button on the dashboard to start your car—no key required.
Can a Mercedes key fob be reprogrammed?
Once a key has been “flashed” or programmed to one car you can’t reprogram the key. Mercedes keys pair “for life”, so once you stick a key in the ignition and it works, it’s never going to work in another car.
Why is my Mercedes key not working?
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. If you find a blown fuse, replace it (using the Ampere rating recommended by the manufacturer.
How much does it cost to get a replacement Mercedes key?
Head over to the dealer. Show them your documents and pay the $200 to $300 for your new key. In some cases, new keys may cost up to $560, as reported by Mercedes-Benz owners. Wait 3 to 4 days for the key to be shipped to your dealership.
How much does it cost to reprogram Mercedes key?
Can a locksmith program a Mercedes key?
In fact, a used Mercedes-Benz key can be programmed but not at a Mercedes-Benz dealership. A locksmith with the right tools can program even a used Mercedes-Benz key to work on another car. The process of programming a used Mercedes key is quite involved. The key will need to be opened up.
How do you start a Mercedes Benz key fob?
Turn the KEYLESS-GO key in the ignition to start the engine. Release the key as soon as the engine cranks. Make sure to save the Engine Start/Stop button so that you can reinsert it once you change the battery in your Mercedes key fob.
Why does the key not turn when inserted in the ignition?
The EIS module could also be the reason that the key does not turn when inserted in the ignition. Many car owners complain that the car starts fine on a warm or hot day but in cold days the car will not start. This may sound strange, but it is reported frequently.
How do you start a Mercedes with a dead key?
The alarm will go off when you manually open the driver’s door. Don’t worry! The alarm should stop as soon as you insert the key into the ignition as described in the next few steps. Next, remove the Start / Stop button from the ignition lock. You can quickly pull it from the ignition. The Start/Stop button will pop out.
What to do if your Mercedes smart key battery is dead?
Next, remove the Start / Stop button from the ignition lock. You can quickly pull it from the ignition. The Start/Stop button will pop out. Insert your smart key into the ignition. It is ok if the smart key battery is dead. Press the brake pedal and make sure the transmission is in Park position.