If it is notpossible to engageall-wheel drivewhen
thevehicle is rolling:
#
Vehicles with automatic transmission:
briefly move theselector levertoi.
Engaging/disengaging all-wheel drive
*
NOTE Risk of damagetothe transfer
case
If yousteponthe accelerator pedal while the
all-wheel driveisengaged or disengaged, the
transfercase maybedamaged.
#
Do notsteponthe acceleratorpedal
when theindicator lampinthe switch
forthe all-wheel driveisflashing.
#
To engage/disengage: press theupper sec‐
tion of switch 1.
The indicator lampinswitch 1 flashes while
theall-wheel driveisengaged or disengaged.
The ÷ and : warning lamps light up in
theinstrument display. ESP
®
and ASR are
deactivatedfor theduration of theshiftoper‐
ation. If theshiftoperation is successful, the
÷ and : warning lamps in theinstru‐
ment displaygoout and ESP
®
and ASR are
reactivated.
As longasthe indicator lampinswitch 1 is
flashing, youcan cancel theshiftoperation by
pressing switch 1 again. If theshiftoperation
fails, theindicator lampinswitch 1 briefly
flashes threetimes. One of theshiftconditions
wasnot met.
If theindicator lampinswitch 1 lights up, all-
wheel driveisengaged. Arelevant message
appearsinthe displayofthe on-boardcomputer.
%
If theLOW RANGE gear reduction is engaged,
theall-wheel drivecannot be disengaged.
Function of theLOW RANGE gear reduction
The LOWRANGE gear reduction enables very
slowdriving in therespectivegears. If youengage
LOWRANGE, theengine'sperformancecharac‐
teristics and theautomatic transmission's shift‐
ing characteristicsare adjustedaccordingly.The
transmission ratio from theengine to thewheels
is around 40% lowerthan in theroad position.
The drivetorque is increased correspondingly.
Conditions forengaging/disengaging
Thefollowing shifting conditionsmustbemet in
order to engageordisengageLOW RANGE:
R
All-wheel driveisengaged (/ page120).
R
The engine is running.
R
The vehicle is stationary.
R
Youdepress thebrake pedal.
R
Vehicles with automatic transmission: the
selector leverisinposition j or i.
Engaging and disengaging LOW range
1
Engaging and disengaging LOWrange
%
On vehicles withDSR (Downhill Speed Regu‐
lation), switch 1 is replaced withthe switch
forDSR.
120
Driving and parking
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