I turned my stereo off, rolled down the windows (while the key was in accessories) waited for the antenna to fully extend, then turned the key to the on position. I did not hear anything except for the beep telling me my seatbelt wasn't fastened. I did notice that a orange triangle to the left of the R on the fuel gauge lights up when the key is in the on position. I hope that means something to someone out there and that it will help me get to the bottom of this problem.
89 300E Pearl Grey Metallic
7 Spoke 16" staggered wheels (SLK)
215/55/16 Hankook Ventus HRII H405 tires
Smoked red/clear tail lights
1987 300e Black Metallic (mom's car)
8 hole 15" wheels (C Class)
Red/Smoked tail lights