OK please understand, my new coupe is strange. BCM works lock/unlock properly but gets no signal from the FOB. Car starts with both keys and runs properly (except three start tries that do not start and no more tries allowed. Must reset "something" first).

OTOH it acts as if the SKREEM is not there or has been somehow disabled
- remotes cannot be reset. Is transmitting properly. Can read chip in key.
- key in door lock only locks door, not other door or hatch
- with key on and door closed, console switch locks/unlocks everything
- anti-theft not working, no alarm.
- good scan tool cannot talk to SKREEM
- instrument cluster is glued in place making access difficult
- got a great deal on a nice car, may be why.

Have read a few hundred posts now Nothing matches these symptoms. Stars and runs just fine.
Single DIN Android Auto wireless radio should arrive today and will have access to console switch (can lock/unlock). May just put a lock button in wheel well
Have replaced radios in both '07 coupe and '01 SLK320 so no big.

And that is the whole story. Have been gathering info but may also try a dumb fob on console switch leads and see if BCM responds. Also have plans B and C if that does not work may have to access at CLP/SSM.

Hopefully this all makes more sense now. Have not been ignoring previous posts just never found one that matches my issue.