Off-road 4ETS (Electronic Traction
System)
A4ETS systemspecifically suited to off-road
terrain is activated automatically once the off-
road program is activated (Y page 248).
Important safety notes
G
WARNING
If ESP
®
is malfunctioning, ESP
®
is unable to
stabilize the vehicle. Additionally, further
driving safety systems are deactivated. This
increases the risk of skidding and an accident.
Drive on carefully. Have ESP
®
checked at a
qualified specialist workshop.
!
Vehicles with 4MATIC: only operate the
vehicle for a maximum of ten seconds on a
brake test dynamometer. Switch off the
ignition.
Application of the brakes by ESP
®
may
otherwise destroy the brake system.
!
Vehicles with 4MATIC: function or
performance tests may only be carried out
on a 2-axle dynamometer. Before you
operate the vehicle on such a
dynamometer, please consult a qualified
workshop. You could otherwise damage
the drive train or the brake system.
ESP
®
is deactivated if the å warning lamp
in the instrument cluster lights up
continuously when the engineis running.
If the ÷ warning lamp and the å
warning lamp are lit continuously, ESP
®
is not
available due to a malfunction.
Observe the information on warning lamps
(Y page 321) and displaymessages which
may be shown in the instrument cluster
(Y page 283).
i
Only use wheels with the recommended
tire sizes. Only then will ESP
®
function
properly.
Characteristics of ESP
®
General information
If the ÷ ESP warning lamp goes out before
beginning the journey, ESP
®
is automatically
active.
If ESP
®
intervenes, the ÷ ESP
®
warning
lamp flashes in the instrument cluster.
If ESP
®
intervenes:
X
Do not deactivate ESP
®
under any
circumstances.
X
Only depress the accelerator pedal as far
as necessary when pulling away.
X
Adapt your driving style to suit the
prevailing road and weather conditions.
ECO start/stop function
The ECO start/stop function switches the
engine off automatically when the vehicle
stops moving. The engine starts
automatically when the driver wants to pull
away again. ESP
®
remains in its previously
selected status. Example: if ESP
®
was
deactivated before the enginewas switched
off, ESP
®
remains deactivated when the
engine is switched on again.
Deactivating/activating ESP
®
Important safety notes
You can selectbetween the following states
of ESP
®
:
R
ESP
®
is activated.
R
ESP
®
is deactivated.
G
WARNING
If you deactivate ESP
®
, ESP
®
no longer
stabilizes the vehicle. There is an increased
risk of skidding and an accident.
Only deactivate ESP
®
in the situations
described in the following.
72
Driving safetysystems
Safety
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