I have a question, I am a seasoned ASE master tech and cant for the life of me figure this supposid simple task. I have been recieving several MB vehicles with 722.9 that has ISM instead of mechanical shifter (of course most of them 4matic) to my shop and unable to remove out of park. I know on 722.6 what to do, but 722.9 I read some information on emergency P-funtion where a spare battery under passenger floor panel is to unlock servo?? I cant find this on any of vehicles I have run into.
Any help will be greatly appreciated Thanks.