pulling away on wet or slippery roads. ESP
®
can also stabilize the vehicle during braking.
ETS/4ETS (Electronic Traction System)
ETS traction control is part of ESP
®
. On vehi-
cles with 4MATIC, 4ETS is part of ESP
®
.
Traction control brakes the drive wheels indi-
vidually if they spin. This enables you to pull
away and accelerate on slippery surfaces, for
example if the road surface is slippery on one
side. In addition, more drive torque is trans-
ferred to the wheel or wheels with traction.
Traction control remains active, even if you
deactivate ESP
®
.
Important safety notes
i
Observe the "Important safety notes" sec-
tion (Y page 70).
G
WARNING
If ESP
®
is malfunctioning, ESP
®
is unable to
stabilize the vehicle. Additionally, further driv-
ing 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: function or per-
formance 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.
Vehicles without 4MATIC: observe the notes
on ESP
®
(Y page 339) when towing the vehi-
cle with a raised rear axle.
ESP
®
is only deactivated if the å warning
lamp is lit continuously.
If the ÷ warning lamp and the å warn-
ing lamp are lit continuously, ESP
®
not avail-
able due to a malfunction.
Observe the information on warning lamps
(Y page 277) and display messages which
may be shown in the instrument cluster
(Y page 246).
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 circum-
stances.
X
Only depress the accelerator pedal as far as
necessary when pulling away.
X
Adapt your driving style to suit the prevail-
ing 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 automati-
cally when the driver wants to pull away again.
ESP
®
remains in its previously selected sta-
tus. Example: if ESP
®
was deactivated before
the engine was switched off, ESP
®
remains
deactivated when the engine is switched on
again.
Deactivating/activating ESP
®
(except
AMG vehicles)
Important safety notes
You can select between the following states
of ESP
®
:
R
ESP
®
is activated.
R
ESP
®
is deactivated.
76
Driving safety systems
Safety
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