Question about 1999 Mercedes-Benz E-Class
The remot control key dose not function at all.It shows the red lights bt dose not responce with the rest of the car.As dose not open the doors,dose not turn the engin .Basicly no communication with the car.I have changed the remot battary ,I have unplug the car battery wires for more than 24 hours and intalled again but still no action .Even though the automatic gear shifts though the key is not functioning and the car did not starting mod . please help by the way car is mercedesclass 320E.
It is possible that the receiving unit on the vehicle is not operating properly. Whether that means a broken wire, bad circuitry in the receiver, or other problems it could the case, BUT more often than not, the key/remote was exposed to some kind of magnetic or high power field, effectively remdering the unit useless. Strong magnets, electromagnetic fields or even staying to long on a department store demagnetizer could lead to these problems. Go to the dealer and be prepared to take the hit, a replacement coded key can run several hundred dollars, but unless you swapped the battery and happened to get a bad new battery, than the dealer is the only solution, I hope this brief explaination shed a little light for you in the future.
Posted on Feb 24, 2009
Firstly, open your glove box and make sure Valet Mode is not enabled, if it is not, follow these steps.
Step 1: Open drivers door and leave open.
Step 2: Lock and unlock the driver’s door using the power door lock switch on the door.
Step 3: Insert key into the ignition.
Step 4: Turn key to on position and return to off position. (IMPORTANT - use ON position NOT ACC position). Do this 3 times within 10 seconds. Leave key in the ignition.
Step 5: Open and close the driver’s door 3 times. (Door should be left open after this step).
Step 6: ECU should respond by locking and unlocking the doors.
Step 7: Press any button on remote #1 twice. ECU responds by locking and unlocking the car doors.
Step 8: Press any button on remote #2 (etc.) twice. Each time the ECU will respond by locking & unlocking the doors.
Step 9: Remove the key from the ignition and the ECU will respond a final time with a series of door locks and unlocks. You're done!
Hope this helps,
Posted on Feb 24, 2009
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