Mercedes-Benz GLS Owner's Manual page 461

458 Display messages and warning/indicator lamps
Display messages
y
Side running board not
extended
Head-up display currently
unavailable See Owner's
Manual
Head-up display inoperative
Possible causes/consequences and
* Mercedes-Maybach vehicles: the running boards are not extended.
The running boards extend only when the vehicle is stationary.
R
The running boards and the side skirt must be free of dirt, ice and snow. Otherwise, they are unable to extend.
R
Clean the running boards (
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Repeat the extension of the running boards (
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If the running boards fail to extend again, consult a qualified specialist workshop.
If the running boards are not extended, be particularly careful when getting in or out.
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* The head-up display is temporarily unavailable. Possible causes:
malfunctions in the power supply
R
signal interference
R
Stop the vehicle in accordance with the traffic conditions and switch the ignition off and on again.
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If the display message still appears, consult a qualified specialist workshop.
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* The head-up display has an internal error.
Consult a qualified specialist workshop.
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M M Solutions
page 379).
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page 87).
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