Can anyone possibly tell me where the factory cd changers mounted in the 1992 300e models? Were the mounting holes factory drilled & did the pre-wired connection plug into the cd changer or did you need a harness? Also, do you know where the radio code is stored at?

There is no "storage area" for the radio code. Mostly they are found on a grey credit card in the owners manual. Somethime they were written into one of the service books also, so you could look in the manuals for a mysterious 4 or 5 digit number written down. Sometimes you'll see "R.C." written down before the number. Hopefully the card is in the owners packet somewhere.

Gilly

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I believe the 1992 300E is exactly the same as my 1991 300E. This car takes what's called a Silverstone 980 unit that Sony built for Becker.

I bought a reconditioned unit from Becker in January of 2002. It came with the wiring harness and one cassette but not the bracket. I bought a bracket from a guy in California who makes them up. It was overpriced at $85 but works OK. If you were able to see one, you could easily make one for yourself.

The changer mounts vertically in the well on the curb side of the trunk. The bracket mounts on the lip of the trunk at the top of the well. You have to drill two holes and then you can use self-threading screws to mount the bracket to the lip of the trunk.

My unit came with instructions for connecting the changer to the audio system that's also on the curb side in the trunk. Connecting the unit is quite simple with the supplied cables but you should disconnect the battery before you connect to the audio system because the power to the changer is always on.

The Sony cassettes for the changer are no longer available but you can find them on e-bay.

The changer had a bad reputation for jamming but I think that the reconditioned units have any problems fixed and that if you use the simple Sony cassettes rather than the more complex ones supplied with the unit when it came from Mercedes Benz, you will have no problems.

My unit has performed flawlessly since I installed it and the sound is great.

I paid $380 for my changer but I've heard that they later went to $500. Rather than pay that amount, I'd get a portable XM Radio satilite unit and go that route. I'll cost you about $200 with an FM or cassette adaptor and for $10 a month, you'll get a tremendous selection of music and other programming.