Mercedes-Benz C-Class 2017 Operator's Manual page 101

Problem
The sliding sunroof or
panorama roof with
power tilt/sliding panel
cannot be closed and
you cannot see the
cause.
Possible causes/consequences and M Solutions
If the sliding sunroof or panorama roof with power tilt/sliding panel is
obstructed during closing and reopens again slightly:
Immediately after it blocks, pull the 3 switch down again to the
X
point of resistance until the sliding sunroof or panorama roof with
power tilt/sliding panel is closed.
The sliding sunroof or panorama roof with power tilt/sliding panel is
closed with more force.
If the sliding sunroof or panorama roof with power tilt/sliding panel is
obstructed again during closing and reopens again slightly:
Immediately after it blocks, pull the 3 switch down again to the
X
point of resistance until the sliding sunroof or panorama roof with
power tilt/sliding panel is closed.
The sliding sunroof or panorama roof with power tilt/sliding panel is
closed without the automatic reversing feature.
Sliding sunroof
Z
99