Date registered: Mar 2008
Vehicle: 1994 C220 (W202) Classic and 1998 C240 (W202) Elegance
Location: Cape Town - South Africa
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Have you tried replacing the batteries in the key fob? Or checking if the red and green lights flash with your spare key?
If you replace the batteries, you may need to re-sync your key fob (although I did not have to)... you point it at the rear view press the button once and turn the ignition to position 2 (within 30 secs).
Do you have a manual for the car? It all explained in there.
Another thing: when the red and green lights flash - I can still start my car. As long as the doors unlock using the remote - it deactivates the immobilizer. It's only when your batteries are sl flat that you have to open the doors using the metal key from the passenger side that you have problems - because then the immobolizer is still activated and the car won't start (it will turn and turn untill your battery dies, but never start).
As far as I know, there's no manual override for the immobilzer which I think sucks, becuase if your remote batteries die - you're stuck. (Happened to me this weekend).
Last edited by RonCT; 01-26-2009 at 02:38 AM.