OK, so I followed the directions in the manual, held the smart button for 6 seconds until the light went out indicating that all memory was erased. Tried my remaining (unstolen) transmitter, and it wouldn't work. Good.

Pressed the smart button once until the light was illuminated. Entered a 4-digit code into the exterior keypad and hit enter. The overhead light flashed indicating the code is learned. Tried the code, it works. Good.

Now my dilemma. I have the remaining unstolen transmitter, which I could obviously program into the head unit, but I have no idea if it's matched with the stolen one. If it is, then I'm just granting access to the thief by reprogramming this remaining transmitter.

I've read and re-read the manual, and the language isn't very specific. It says the 2 transmitters are programmed to the receiver at the factory. To me, that opens up the possibility that the 2 transmitters are matched, eg. send the same signal. Yet part of me reasons that the new ones on the shelf at Sears aren't matched, so what's the likelyhood that the ones shipped with the receiver were matched?

I just plan on getting 2 new transmitters, but at $40 a pop they ain't cheep!

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08 W251 R350
97 W210 E320
91 W124 300E
86 W126 560SEL
85 W126 380SE Silver
85 W126 380SE Cranberry
79 W123 250
78 W123 280E
75 W114 280