Discussion
Never done it on an SLR, so this may be a long shot, but try:
Put gearbox in neutral...
Close all doors and windows and boot / trunk...
Remove key (if required)...
Stay in driver's seat...
Lock doors (by key fob)...
Unlock doors (by key fob)...
Put key back in ignition / slot...
Restart car...
Perhaps try the process 2 or 3 times if it does not work first time.
Yes, it's mental. But have seen it work as a "reset" mode on two other cars (not Mercs). A long shot, of course, but may be worth a try.
Put gearbox in neutral...
Close all doors and windows and boot / trunk...
Remove key (if required)...
Stay in driver's seat...
Lock doors (by key fob)...
Unlock doors (by key fob)...
Put key back in ignition / slot...
Restart car...
Perhaps try the process 2 or 3 times if it does not work first time.
Yes, it's mental. But have seen it work as a "reset" mode on two other cars (not Mercs). A long shot, of course, but may be worth a try.
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