styletosuit theprevailing road and weather con‐
ditions.
If youactivateordeactivatethe all-wheel drivein
avehicle withthis option, ASR will be deactivated
forthe duration of theactivation/deactivation
process.
Vehicles without steering wheel buttons: if
ASR is malfunctioning, the ÷ indicator lamp
lights up while theengine is running and the
engine output maybereduced (/ page24).
ASR improvestraction, i.e. thetransfer of power
from thetires to theroad surface, forasustained
period and, thereby, also improvesthe driving
stabilityofthe vehicle. If thedriving wheels start
to spin, ASR brakes individualdrive wheels and
limits theengine torque. ASR thus significantly
assists youwhen pullingawayand accelerating,
especiallyonwet or slippery roads.
If traction on theroad surface is notsufficient,
evenASR will notallow youtopull away without
difficulty.The typeoftires and total weight of the
vehicle as well as thegradient of theroad also
playacrucial role.
If ASRintervenes, the ÷ warning lampinthe
instrument display flashes.
Functions of ESP
®
(Electronic Stability Pro‐
gram)
&
WARNING Risk of skidding if ESP
®
is
malfunctioning
If ESP
®
is malfunctioning,ESP
®
cannotcarry
out vehicle stabilization. In addition,other
driving safetysystems areswitched off.
#
Driveoncarefully.
#
Have ESP
®
checkedataqualified spe‐
cialistworkshop.
&
WARNING Risk of skidding if ESP
®
is
deactivated
If youdeactivateESP
®
,ESP
®
cannotcarry out
vehicle stabilization.
#
ESP
®
shouldonlybedeactivated in the
following situations.
Do notoperate thevehicle on aroller dynamome‐
ter(e.g. foraperformancetest). If youhave to
operatethe vehicle on aroller dynamometer, con‐
sult aqualified specialistworkshop beforehand.
If youactivateordeactivatethe all-wheel drivein
avehicle withthis option, ESP
®
will be deactiva‐
tedfor theduration of theactivation/deactiva‐
tion process.
If ESP
®
is malfunctioning or deactivated, the
÷ warning lamplightsupwhile theengine is
running and theengine output maybereduced
(/ page24).
%
Only use wheels withthe recommended tire
sizes. Only then will ESP
®
function properly.
Activating/deactivatingESP
®
(Electronic Sta‐
bility Program)
Multimedia system:
4
©
5
Settings
5
Quick Access
5
ESP
%
ESP
®
can onlybeactivated and deactivated
via quickaccess when at leastone other
function is available in quickaccess. Other‐
wise, youcan find ESP
®
in the Assistance
menu.
#
Select ESP.
Apromptappears.
#
Select On or å Off.
If the å ESP
®
OFF warning lamplightsupcon‐
stantly in theinstrument cluster, ESP
®
is deacti‐
vated.
Observe theinformation on warning lamps and
displaymessages whichmay appear in theinstru‐
ment cluster.
Functions of ESP
®
Crosswind Assist
Crosswind Assistdoes notworkifESP
®
is deacti‐
vatedordisabled due to amalfunction.
Crosswind Assistdoes notreact under thefollow‐
ing conditions:
R
The vehicle is subjected to severe jolts and
vibrations, e.g.asaresult of unevensurfaces
or potholes.
R
The vehicle loses traction, e.g. on snoworice
or when hydroplaning.
R
The driver is performing sudden and large
steering movements.
Crosswind Assistisoperational again as soon as
thedriving conditions returntonormal.
Crosswind Assist detects strong crosswind gusts
that can impair abilityofyour vehicle to drive
Driving and parking
139
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