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ESP
monitors driving stability and traction,
i.e. power transmission between the tyres
and the road surface.
®
If ESP
detects that the vehicle is deviating
from the direction desired by the driver, one
or more wheels are braked to stabilise the
vehicle. The engine output is also modified to
keep the vehicle on the desired course within
®
physical limits. ESP
pulling away on wet or slippery roads. ESP
can also stabilise the vehicle during braking.
ETS (Electronic Traction System)
i
Observe the "Important safety notes" sec-
tion (
page 60).
Y
ETS traction control is part of ESP
ETS brakes the drive wheels individually 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 transferred to
the wheel or wheels with traction.
ETS remains active when you deactivate
®
ESP
.
i
AMG vehicles: your vehicle may be
equipped with 20-inch tyres on the rear
axle. If replaced with a 19-inch tyre, ETS
may intervene noticeably sooner for the
first few kilometres. After approximately
10 km ETS will function as usual again.
Information on the dimensions and types of
wheels and tyres for your vehicle can be
found under "Wheel/tyre combinations"
(
page 328).
Y
Important safety notes
WARNING
G
®
If ESP
is malfunctioning, ESP
stabilise the vehicle. In addition, other driving
safety systems are switched off. This increa-
ses the risk of skidding and an accident.
Drive on carefully. Have ESP
qualified specialist workshop.
assists the driver when
®
.
®
is unable to
®
checked at a
Driving safety systems
! When testing the electric parking brake
on a braking dynamometer, switch off the
ignition. Application of the brakes by ESP
may otherwise destroy the brake system.
When towing your vehicle with the rear axle
raised, observe the notes on
®
ESP
(
page 308).
Y
®
ESP
is deactivated if the å warning lamp
in the instrument cluster lights up continu-
®
ously when the engine is running.
If the ÷ warning lamp and the å warn-
ing lamp are lit continuously, ESP
available due to a malfunction.
Observe the information on warning lamps
(
page 254) and display messages which
Y
may be shown in the instrument cluster
(
page 223).
Y
i
Only use wheels with the recommended
tyre sizes. Only then will ESP
properly.
Characteristics of ESP
General notes
If the ÷ ESP warning lamp goes out before
beginning the journey, ESP
active.
®
If ESP
intervenes, the ÷ ESP
lamp flashes in the instrument cluster.
®
If ESP
intervenes:
Do not deactivate ESP
X
stances.
When pulling away, only depress the accel-
X
erator pedal as far as is necessary.
Adapt your driving style to suit the prevail-
X
ing road and weather conditions.
ECO start/stop function
The ECO start/stop function switches the
engine off automatically if the vehicle stops
moving. When pulling away again, the engine
starts automatically. ESP
viously selected status. Example: if ESP
was deactivated before the engine was
®
®
is not
®
function
®
®
is automatically
®
warning
®
under any circum-
®
remains in its pre-
®
Z
63
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