How To Open Mercedes Key Fob 2005. It is possible for either component to fail exclusively of the other. If you currently have a key for your mercedes car in your.
If you currently have a key for your mercedes car in your. Ok, that only works on a key that is already programmed. Now that key stopped working (unlock/lock door) and w/ only 6mos on bettery i am thinking its the key.
You should see a red led light, and this should appear whenever the lock, unlock, panic, or trunk button is pressed.
It may require a little force to come out. Sooo lazily we have been limping on one key (and setting off alarm now and then ;^). Yesterday the 5th door stopped opening i.e. If the red light on the key fob comes on when you press the lock/unlock button then the battery is fine.