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Driving safety systems
69
ESP
®
G
Observe Safety notes, see
page 65.
The Electronic Stability Program (ESP
®
) is
operational as soon as the engine is running
and monitors the vehicle’s traction (force of
adhesive friction between the tires and the
road surface) and handling.
The ESP
®
recognizes when a wheel is
spinning or if the vehicle starts to skid. 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 v in the
instrument cluster comes on when you switch
on the ignition. It goes out when the engine
is running.
The ESP
®
warning lamp v in the
instrument cluster flashes when the ESP
®
is
engaged.
G
Warning!
Never switch off the ESP
®
when you see the
ESP
®
warning lamp v 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.
!
Vehicles with 4MATIC:
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.
!
Vehicles with 4MATIC:
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 electronic parking
brake is being tested on a brake test
dynamometer.
Active braking action through the ESP
®
may otherwise seriously damage the brake
system which is not covered by the
Mercedes-Benz Limited Warranty.
!
Vehicles without 4MATIC:
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 electronic parking
brake is being tested on a brake test
dynamometer or when the vehicle is being
towed with one axle raised.
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
Safety and security
Z