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Operation
266
X
Press the upper section of the m switch.
When all engagement conditions are met,
the off-road gear is engaged and the m
symbol is shown in the display.
X
To disengage off-road gear: stop the vehi-
cle.
X
Press the lower section of the off-road gear
switch.
The off-road gear is disengaged when all
engagement conditions are met. If the road
gear is then reselected, the indicator goes
out in the display.
Engaging the front axle
Engage the front axle to improve traction, e.g.
on slippery road surfaces or off-road.
When you engage the front axle, e is shown
in the display. If the front axle is not engaged,
d is shown in the display. If the £ dot
flashes in the display, the front axle is not yet
engaged/disengaged. The conditions for
engaging/disengaging have not been fulfil-
led, e.g. due to differing wheel rotational
speeds. The front axle will be engaged/disen-
gaged when all conditions for engaging/
disengaging are fulfilled.
When you engage the front axle, the transfer
case inter-axle lock is activated.
If the front axle is engaged on vehicles with an
automated transmission, the shift range is
automatically limited to upshifting.
When ABS intervenes, the inter-axle locks are
deactivated, the front axle is disengaged and
the display flashes. Once ABS has finished
intervening, the inter-axle locks and the front
axle are engaged again.
X
To engage the front axle: stop the vehicle.
X
Turn the differential lock switch to 1.
The front axle and the rear axles are driven
and the inter-axle locks are engaged. There
is no rotational speed compensation
between the front axle and the rear axles.
X
To disengage the front axle: stop the
vehicle.
X
Turn the differential lock switch to g.
Only the rear axles are driven. The inter-
axle locks are deactivated.
Positions 2 and 3 are the differential lock
functions (
Y
page 263).
Idling speed
Buttons on the multifunction steering wheel
After the engine has started, the idling speed
is controlled automatically according to the
coolant temperature. The engine idling speed
may differ in certain operating conditions
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