Mercedes-Benz GLS Owner's Manual page 476

Display messages
!
Release parking brake
!
Turn on the ignition to
release the parking brake
J
Check brake fluid level
Possible causes/consequences and
* The red ! indicator lamp is flashing.
The electric parking brake is applied while you are driving:
A condition for automatic release of the electric parking brake has not been fulfilled (
R
You are performing emergency braking using the electric parking brake (
R
Check the conditions for automatic release of the electric parking brake.
#
Release the electric parking brake manually.
#
* The red ! indicator lamp is lit.
You have attempted to release the electric parking brake with the ignition switched off.
Switch on the ignition.
#
* There is insufficient brake fluid in the brake fluid reservoir.
& WARNING Risk of an accident due to low brake fluid level
If the brake fluid level is too low, the braking effect and the braking characteristics may be impaired.
Stop the vehicle as soon as possible, paying attention to road and traffic conditions. Do not continue driv‐
#
ing.
Consult a qualified specialist workshop.
#
Display messages and warning/indicator lamps 473
M M Solutions
page 226).
/
page 227).
/