2023 MERCEDES-BENZ GLS Owners Manual

Display messagesPossible causes/consequences and P SolutionsTo Deselect P or N,
Depress Brake and Start
Engine*You have attempted to shis the transmission out of park position ] or neutral \\ and into another transmission posi-
tion.Depress the brake pedal.Start the vehicle.Change the transmission position.Apply Brake to Shift to D or
R*You have attempted to select transmission position [ or ^.Depress the brake pedal.Select transmission position [ or ^.Apply Brake to Shift to 'R'*You have attempted to select transmission position ^.Depress the brake pedal.Select transmission position ^.Driver's Door Open &
Transmission Not in P Risk
of Vehicle Rolling Away*The driver\bs door is not fully closed and transmission position [, ^ or neutral \\ is selected.
The vehicle may roll away.Select park position ] when switching oM the vehicle.N Permanently Active Risk
of Rolling Away*While the vehicle is rolling or while you are driving, neutral \\ has been engaged.Depress the brake pedal to stop.Shis the transmission to park position ] when the vehicle is stationary.To continue driving, select transmission position [ or ^.Display messages and warning/indicator lamps447

Display messagesPossible causes/consequences and P SolutionsService Required Do Not
Shift Gears Visit Dealer*The transmission is malfunctioning. It is no longer possible to change the transmission position.If transmission position [ is selected, consult a qualiNed specialist workshop and do not change the transmission
position.For all other transmission positions, park the vehicle safely.Consult a qualiNed specialist workshop or breakdown service.Reversing Not Possible
Service Required*The transmission is malfunctioning. It is not possible to select transmission position ^.Visit a qualiNed specialist workshop.Transmission Malfunction
Stop*The transmission is malfunctioning. The transmission shiss to neutral \\ automatically.Stop the vehicle immediately in accordance with the traPc conditions.Depress the brake pedal.Engage park position ].Consult a qualiNed specialist workshop.Stop Vehicle Leave Engine
Running Wait Transmission
Cooling*The transmission is overheating. Pulling away may be temporarily impaired or not possible.Stop the vehicle immediately in accordance with the traPc conditions. Do not continue driving.Leave the engine running.Wait until the display message disappears before pulling away.Auxiliary Battery Malfunc-
tion (white display message)*The auxiliary battery for the automatic transmission is no longer being charged.Visit a qualiNed specialist workshop.448Display messages and warning/indicator lamps

Display messagesPossible causes/consequences and P SolutionsUntil then, always select park position ] manually before you switch oM the vehicle.Before leaving the vehicle, apply the electric parking brake.Auxiliary Battery Malfunc-
tion (red display message)*Vehicles with automatic transmission: The auxiliary battery for the transmission is no longer being charged.Visit a qualiNed specialist workshop.Vehicles with automatic transmission: Until then, always select park position ] before you switch oM the vehicle.Before leaving the vehicle, apply the electric parking brake.Display messages and warning/indicator lamps449

BrakesDisplay messagesPossible causes/consequences and P Solutions
I
(USA only)$
(Canada only)
Parking Brake See Opera-
tor's Manual
*The yellow $ indicator lamp is lit. The electric parking brake is malfunctioning.
To apply: Switch the vehicle oM and switch it back onApply the electric parking brake manually (  page 209).
If it is not possible to apply the electric parking brake:
Visit a qualiNed specialist workshop.Where necessary, also secure the parked vehicle against rolling away.*The yellow $ indicator lamp and the red I (USA only) or $ (Canada only) indicator lamp are lit. The electric
parking brake is malfunctioning.
To release: Switch the vehicle oM and switch it back onRelease the electric parking brake manually (  page 209).
or
Release the electric parking brake automatically (  page 208).
If it is still not possible to release the electric parking brake:
Do not continue driving. Consult a qualiNed specialist workshop.450Display messages and warning/indicator lamps

Display messagesPossible causes/consequences and P Solutions*The yellow $ indicator lamp is lit and the red I (USA only) or $ (Canada only) indicator lamp is Oashing.
The electric parking brake is malfunctioning.
The electric parking brake could not be applied or released.Switch the vehicle oM and switch it back on
To apply:
Release and then apply the electric parking brake manually (  page 209).
To release:
Apply and then release the electric parking brake manually.
If the electric parking brake cannot be applied or the red I (USA only) or $ (Canada only) indicator lamp con-
tinues to Oash:
Do not continue driving. Consult a qualiNed specialist workshop.Where necessary, also secure the parked vehicle against rolling away.*The yellow $ indicator lamp is lit and the red I (USA only) or $ (Canada only) indicator lamp Oashes for
approximately ten seconds aser the electric parking brake has been applied or released. It then remains lit or goes
out. The electric parking brake is malfunctioning.
If the condition of charge is too low: Charge the 12 V battery.Display messages and warning/indicator lamps451

Display messagesPossible causes/consequences and P SolutionsTo apply: Switch oM the vehicle.
The electric parking brake will be applied automatically.
If you do not want the electric parking brake to be applied, e.g. at an automatic car wash or when the vehicle is being
towed, leave the vehicle switched on. This does not include having the vehicle towed with the rear axle raised.
If the electric parking brake is not applied automatically:
Switch the vehicle oM and switch it back onRelease and then apply the electric parking brake manually (  page 209).
If it is still not possible to apply the electric parking brake:
Visit a qualiNed specialist workshop.Where necessary, also secure the parked vehicle against rolling away.
To release:
If the conditions for automatic release are fulNlled and the electric parking brake is not released automatically,
release the electric parking brake manually (  page 209).
If it is still not possible to release the electric parking brake:
Do not continue driving. Consult a qualiNed specialist workshop.452Display messages and warning/indicator lamps

Display messagesPossible causes/consequences and P Solutions
I
(USA only)$
(Canada only)
Please Release Parking
Brake
*The red I indicator lamp (USA only) or $ indicator lamp (Canada only) is Oashing.
The electric parking brake is applied while you are driving:
= A condition for automatic release of the electric parking brake has not been fulNlled ( page 208).
= You are performing emergency braking using the electric parking brake (  page 209).Check the conditions for automatic release of the electric parking brake.Release the electric parking brake manually.Display messages and warning/indicator lamps453

Display messagesPossible causes/consequences and P Solutions
I
(USA only)$
(Canada only)
Turn On the Ignition to
Release the Parking Brake
*The red I (USA only) or $ (Canada only) indicator lamp is lit.
You have attempted to release the electric parking brake with the vehicle switched oM.Switch on the vehicle.
'
(USA only)M
(Canada only)
Check Brake Fluid Level
*There is insuPcient brake Ouid in the brake Ouid reservoir.&WARNING Risk of an accident due to low brake Ouid level
If the brake Ouid level is too low, the braking eMect and the braking characteristics may be impaired.
Pull over and stop the vehicle safely as soon as possible, paying attention to road and traPc conditions. Do
not continue driving under any circumstances.Consult a qualiNed specialist workshop.Do not add brake Ouid.454Display messages and warning/indicator lamps