Mercedes-Benz GL-Class 2009 Owner's Manual page 55

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Driving safety systems
52
the trailer from swerving and will thus be
unable to reduce the risk of an accident. Trail-
ers with a high centre of gravity can tip over
®
before ESP can detect this.
Trailer stabilisation does not work if ESP
deactivated or disabled because of a mal-
function.
Activating/deactivating ESP
®
ESP is activated automatically when the
engine is running.
It may be best to deactivate ESP
lowing situations:
when using snow chains
R
in deep snow
R
on sand or gravel
R
G Risk of accident
®
Activate ESP as soon as the situations
described above no longer apply. ESP
otherwise not be able to stabilise the vehicle
if the vehicle starts to skid or a wheel starts
to spin.
If you deactivate ESP
®
ESP no longer improves driving stability.
R
the engine's torque is no longer limited and
R
the drive wheels can spin. Spinning of the
wheels results in a cutting action, which
provides better grip.
traction control is still activated.
R
®
R ESP still provides support when you
brake.
i
®
If ESP is deactivated and one or more
wheels start to spin, the d warning lamp
in the instrument cluster flashes. In such
situations, ESP
cle.
®
®
in the fol-
®
will
®
:
®
will not stabilise the vehi-
Version: 2.11.8.1
®
is
To deactivate: press button :.
X
The d warning lamp in the instrument
cluster lights up.
G Risk of accident
If the d warning lamp in the instrument
cluster is continuously lit when the engine is
®
running, ESP
due to a malfunction. There is an increased
risk of your vehicle skidding in certain situa-
tions.
You should always adapt your driving style to
suit prevailing road and weather conditions.
To activate: press button :.
X
The d warning lamp in the instrument
cluster goes out.
®
Off-road ESP
An ESP ® system specifically suited to off-road
terrain is activated automatically if the LOW
RANGE off-road gear (
ted. It intervenes with a delay if there is over-
steering or understeering, thus improving
traction.
EBV (electronic brake force distribu-
tion)
EBV monitors and controls the brake pres-
sure on the rear wheels to improve driving
stability when braking.
is deactivated or not available
page 114) is selec-
Y