Operation Manual

ESP
®
G
Observe Safety notes, see page 63.
The Electronic Stability Program (ESP
®
) is
operational
as soon as the engine is running.
It monitors the vehicle’s traction (force of
adhesive friction between the tires and the
road surface) and handling.
The ESP
®
recognizes that the vehicle deviates
from the direction of travel as intended by the
driver. By applying brakes to individual
wheels and by limiting the engine output, the
ESP
®
works to stabilize the vehicle. The
ESP
®
is especially useful while driving off and
on wet or slippery road surfaces. The ESP
®
also stabilizes the vehicle during braking and
steering maneuvers.
The ESP
®
warning lamp d in the
instrument cluster comes on when you switch
on the ignition. It goes out when the engine
is running.
The ESP
®
warning lamp d in the
instrument cluster flashes when the ESP
®
is
engaged.
G
Warning!
Never switch off the ESP
®
when you see the
ESP
®
warning lamp d flashing in the
instrument cluster. In this case proceed as
follows:
R
When driving off, apply as little throttle as
possible.
R
While driving, ease up on the accelerator
pedal.
R
Adapt your speed and driving style to the
prevailing road conditions.
Failure to observe these guidelines could
cause the vehicle to skid. The ESP
®
cannot
prevent accidents resulting from excessive
speed.
!
Only
conduct operational or performance
tests on a two-axle dynamometer. If such
tests are necessary, contact an authorized
Mercedes-Benz Center. You could
otherwise seriously damage the brake
system or the transfer case which is not
covered by the Mercedes-Benz Limited
Warranty.
!
Because the ESP
®
operates
automatically,
the engine and ignition must
be shut off (SmartKey in starter switch
position 0 or 1 or KEYLESS-GO start/stop
button in position 0 or 1) when the parking
brake is being tested on a brake test
dynamometer. Such testing should be no
longer than 10 seconds.
Active braking action through the ESP
®
may otherwise seriously damage the brake
system which is not covered by the
Mercedes-Benz Limited Warranty.
!
The ESP
®
will only function properly if you
use wheels of the recommended tire size
as specified in the “Technical data” section
of this Operator’s Manual.
i
The Distronic system and cruise control
switch off automatically when the ESP
®
engages.
Electronic Traction System (4-ETS)
G
Observe Safety notes, see page 63.
The 4-ETS (four-wheel Electronic Traction
System) is a component of the ESP
®
. The
4-ETS
improves the vehicle’s ability to utilize
available traction, especially under slippery
road conditions by applying the brakes to a
spinning wheel. In addition, more power is
transferred to the wheel(s) with traction.
When you switch off the ESP
®
, the 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
Driving safety systems
65
Safety and security
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