Mercedes-Benz GLK-Class 2010 Owners Manual - Manual (Page 64)

as specified in the “Technical data” section
of this Operator’s Manual.
i The cruise control switches off
automatically when the ESP ® engages.
Electronic Traction System
(ETS/4-ETS)
G
Observe Safety notes, see page 60.
The ETS (Electronic Traction System) and
4-ETS (four-wheel Electronic Traction
System, vehicles with 4MATIC only) are
components of the ESP
® . The ETS/4-ETS
improves the vehicle’s ability to utilize
available traction, especially under slippery
road conditions by applying the brakes to a
spinning wheel. Vehicles with 4MATIC also
transfer more power to the wheel(s) with
traction.
When you switch off the ESP
® , the
ETS/4-ETS is still enabled.
Switching off the ESP ®
G Warning!
The ESP ® should not be switched off during
normal driving other than in the
circumstances described below. Disabling
the system will reduce vehicle stability in
driving maneuvers.
Do not switch off the ESP
® when a spare
wheel is mounted.
To improve the vehicle’s traction, switch off
the ESP
® . This allows the drive wheels to spin
and thus cut into surfaces for better grip, for
example
R
when driving with snow chains
R
in deep snow
R
in sand or gravel
G Warning!
Switch on the ESP ® immediately if the
aforementioned circumstances do not apply
anymore. Otherwise the ESP ® will not
stabilize the vehicle when it is starting to skid
or a wheel is spinning.
When you switch off the ESP ® ,
R the ESP ® does not stabilize the vehicle
R the engine output is not limited, which
allows the drive wheels to spin and thus cut
into surfaces for better grip
R
the ETS/4-ETS will still apply the brakes to
a spinning wheel
R the ESP ® continues to operate when you
are braking
R
the cruise control cannot be activated
R
the cruise control switches off if activated
i When the ESP ® is switched off and one or
more drive wheels are spinning, the ESP ®
warning lamp d in the instrument
cluster flashes. However, the ESP
® will
then not stabilize the vehicle.
X With the engine running, press ESP ®
switch : until the ESP ® warning lamp
d in the instrument cluster comes on.
The ESP
® is switched off.
G Warning!
When the ESP ® warning lamp d is
illuminated continuously, the ESP ® is
switched off or is not operational due to a
malfunction. Vehicle stability in standard
driving maneuvers is reduced.
62
Driving safety systems
Safety and security
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