Mercedes-Benz GLC 200 4MATIC Owner's Manual page 508

Display messages
ð
Maximum speed exceeded
î
inoperative
î
Not in curr. drive prog.
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Max. speed 40 km/h
Possible causes/consequences and
* You have exceeded the maximum permissible speed (for certain countries only).
Drive more slowly.
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* The Downhill Speed Regulation is malfunctioning.
Consult a qualified specialist workshop.
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* The Downhill Speed Regulation is not available in the currently selected drive program.
Change the drive program.
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* The maximum speed of 40 km/h for the Downhill Speed Regulation has been exceeded.
Drive more slowly.
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Solutions
M
Display messages and warning/indicator lamps 505