Mercedes-Benz S-Class Coupe 2018 Operator's Manual page 77

Problem
The side windows cannot be opened or
closed using the convenience opening
feature.
Possible causes/consequences and
& WARNING Risk of becoming trapped or fatally injured if reversing protection is not activated
If you close a side window again immediately after it has been blocked or reset, the side window closes
with increased or maximum force. The reversing feature is then not active.
Parts of the body could become trapped in the closing area in the process.
Make sure that no parts of the body are in the closing area.
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To stop the closing process, release the button or press the button again to reopen the side win‐
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dow.
Close the soft top.
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If a side window is obstructed during closing and reopens again slightly:
Immediately after the window blocks, pull the corresponding button again until the side window has
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closed, and hold the button for an additional second.
The side window is closed with increased force.
If a side window is obstructed again during closing and reopens again slightly:
Repeat the previous step.
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The side window is closed without the automatic reversing function.
The SmartKey battery is discharged or nearly discharged.
Check the battery using the battery check lamp and replace if necessary .
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M Solutions
75
Opening and closing