Mercedes-Benz GLS Owner's Manual page 517

514 Display messages and warning/indicator lamps
Brakes
Warning/indicator lamp
!
Electric parking brake indi‐
cator lamp (red)
!
The electric parking brake
(yellow) indicator lamp
J
Brake system warning lamp
(yellow)
Possible causes/consequences and
* The red electric parking brake indicator lamp flashes or is lit.
The yellow electric parking brake indicator lamp is also lit in the event of a malfunction.
Note the messages on the multifunction display.
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* The yellow brake system warning lamp is lit while the engine is running.
& WARNING Risk of an accident due to a brake system malfunction
If the brake system is malfunctioning, braking characteristics may be impaired.
Drive on carefully.
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Have the brake system checked immediately at a qualified specialist workshop.
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Adjust your speed and drive on carefully, leaving a suitable distance to the vehicle in front.
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If the multifunction display shows a display message, observe it.
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M M Solutions