Protection Against Theft; Immobilizer; Ebd (Electronic Brake Force Distribution); Steer Control - Mercedes-Benz GLA 250 2019 Operator's Manual

swerving. Trailers with a high center of grav-
ity can tip over before ESP
There is a risk of an accident.
Always adapt your driving style to the pre-
vailing road and weather conditions.
If your vehicle with trailer (vehicle/trailer com-
bination) begins to lurch, you can only stabilize
the vehicle/trailer combination by depressing
the brake firmly.
®
ESP trailer stabilization is active above
speeds of about 65 km/h.
®
ESP trailer stabilization does not work if
®
ESP is deactivated or disabled because of a
malfunction.
EBD (electronic brake force distribu-
tion)
General information
EBD monitors and controls the brake pressure
on the rear wheels to improve driving stability
while braking.
Important safety notes
i
Observe the "Important safety notes" sec-
tion ( page 60).
Y
G
WARNING
If EBD is malfunctioning, the rear wheels can
lock, e.g. under full braking. This increases
the risk of skidding and an accident.
You should therefore adapt your driving
style to the different handling characteris-
tics. Have the brake system checked at a
qualified specialist workshop.
Please observe the information on warning
and indicator lamps (
Y
( page 233) as well as on display messages
Y
( page 206).
Y
ADAPTIVE BRAKE
ADAPTIVE BRAKE enhances braking safety and
offers increased braking comfort. In addition
to the braking function, ADAPTIVE BRAKE also
®
can detect this.
page 233)

Protection against theft

has the HOLD function (
start assist ( page 128).
Y

STEER CONTROL

General information
STEER CONTROL helps you by transmitting a
noticeable steering force to the steering wheel
in the direction required for vehicle stabiliza-
tion.
This steering assistance is provided in particu-
lar if:
both right wheels or both left wheels are on
R
a wet or slippery road surface when you
brake
the vehicle begins to skid
R
Important safety notes
i
Observe the "Important safety notes" sec-
tion ( page 60).
Y
No steering assistance is provided from STEER
CONTROL, if:
®
ESP is malfunctioning
R
the steering is malfunctioning
R
®
If ESP is malfunctioning, you will be assisted
further by the electrical power steering.
Protection against theft

Immobilizer

The immobilizer prevents your vehicle from
being started without the correct SmartKey.
To activate with the SmartKey: remove
X
the SmartKey from the ignition lock.
To activate with KEYLESS-GO start-func-
X
tion or KEYLESS-GO: switch the ignition off
and open the driver's door.
To deactivate: switch on the ignition.
X
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Any-
one can start the engine if a valid SmartKey
has been left inside the vehicle.
i
The immobilizer is always deactivated
when you start the engine.
In the event that the engine cannot be star-
ted (yet the vehicle's battery is charged),
page 165) and hill
Y
Z
67