2021 MERCEDES-BENZ GLA Owners Manual

The electric parking brake is not automatically
applied if the engine is switched off by the ECO
start/stop function.
Electricparkingbrakefunction(releasing automatically)
The electric parking brake is released when the following conditions are fulfilled:
= The driver's door is closed.
= The engine is running.
= Vehicleswithautomatictransmission:
The transmission is in position 005B or 005E and
you depress the accelerator pedal or you
shift from transmission position 005D to 005B or
005E when on level ground with the driver's
door closed.
= If the transmission is in position 005E, the tail

%The electric parking brake is only securelyapplied if the indicator lamp is lit continu

Standbymode(extensionofthestarterbat

take into account road, weather or traffic condi

=Active Speed Limit Assist (  page 178) 2
= Active Steering Assist (  page 179) 2
= Active Emergency Stop Assist (  page 181) 2
= Hill Start Assist (  page 182)
= HOLD function (  page 182)
= Start-off assist (  page 183)
= Parking Assist PARKTRONIC (  page 184)
= Rear view camera (  page 189)
= Surround view camera (  page 191)
= Active Parking Assist (  page 194)
= ATTENTION ASSIST (  page 199)
= Blind Spot Assist and Active Blind Spot Assist
with exit warning (  page 201) 1
= Active Lane Keeping Assist (  page 203) 3FunctionofABS
The Anti-lock Brake System (ABS) regulates the
brake pressure in critical driving situations:
= During braking, e.g. at full brake application
or insufficient tire traction, the wheels are prevented from locking.
= Vehicle steerability while braking is ensured.
If ABS intervenes when braking, you will feel a
pulsing in the brake pedal. The pulsating brake
pedal can be an indication of hazardous road
conditions and can serve as a reminder to take extra care while driving.
FunctionsofOff-roadABS
%Off-road ABS is activated automatically when
you select the ) drive program.Off-road ABS is specially adapted for driving off-
road:
= The front wheels lock cyclically during brak

If you depress the brake pedal quickly, BAS is
activated:
= BAS automatically boosts the brake pres

ETS/4ETS(ElectronicTractionSystem)
ETS/4ETS traction control is part of ESP

FunctionofESP