First read and observe the introductory information
and safety warnings
The roll-back function can reduce the risk of crush injuries when closing the electric panorama sliding/tilting roof . If the electric panorama sliding/tilting roof cannot close because it is stiff or obstructed, it will automatically open again immediately.
Closing the electric panorama sliding/tilting roof without the roll-back function
button within approximately 5
seconds after the roll-back function has been triggered and hold it in the direction
of the arrow Ⓓ at position 2 until the electric panorama sliding/tilting roof
is closed completely. 
WARNING
The roll-back function is also active during convenience closing of the windows and electric panorama sliding/tilting roof using the vehicle key .
Function of the electric panorama sliding/tilting roofIntroduction
This chapter contains information on the following subjects:
→ Displays, warning and indicator lamps
→ Radar sensor
→ Operating Adaptive Cruise Control (ACC)
→ Switch off the Adaptive Cruise Control (ACC) temporarily in the following
situations ...
Checking pistons and cylinder bores
Checking piston
–
Using a micrometre, measure approx. 10 mm from the lower
edge, perpendicular to the piston pin axis.
Maximum deviation from nominal dimension: 0.04 mm
...
Handling wheels and tyres
Fig. 200 Diagram showing how to swap wheels
First read and observe the introductory information
and safety warnings The tyres are the most used and most underestimated parts
of a vehicle. Tyres are very important as the narrow tyre surfaces are the only
contact between the vehicle and the ...