Mercedes-Benz SL 2008 Owner's Manual page 252

Roof
Problem
The roof will not open or close.
Possible cause/consequence
The boot separator is not in place.
The boot lid is open.
The on-board voltage is too low.
The roof was opened and closed
several times in succession. The
roof drive was automatically
deactivated.
The automatic roof mechanism is
faulty.
Suggested solutions
Close the boot separator.
X
Close the boot lid.
X
Let the engine run.
X
You can open or close the roof again after about ten minutes.
Switch the ignition off and then on again.
X
Repeat the opening or closing procedure.
X
Consult a qualified specialist workshop.
X
Practical advice
Troubleshooting
Z
249