I have a 2001 s500, the srs light is on , i scanned it with icarsoft and it said restraint module defective with some other codes not in their database. There also is no steering lock or chime when the key goes in the ignition. Also the seat belt retractors don't work. I checked every fuse in the 3 fuseboxes, all good.Wanted to see if anyone had an idea before i give up and send it out to a good indy.