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158 Driving and parking
158
Cruise control (
page 180)
R
/
Blind Spot Assist (
page 192)
/
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Switching
Switc
hing di er
di erential
ential loc
lock k o /on
o /on
Applies di er
Applies
di erential
ential lock
lock
Requirements:
You are not driving on a paved or public road.
R
you are driving at walking pace.
R
the driven wheels are not spinning.
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You can engage the di erential locks in the
#
following order: 1, 2, 3. Then press the
respective buttons. Only engage the di eren-
tial lock
2
and
3
for the front and rear axle
if required.
If all conditions have been ful lled, the activation
indicator lamps
5
light up. As soon as the di er-
ential locks are active, the function indicator
lamps
4
light up.
The message
Differential lock active ABS and
ESP not available
and the warning and indicator
lamps å ÷ ! on the instrument cluster
appear.
%
If one or more requirements have not been
ful lled, the message
Switch-on conditions
Differential lock not fulfilled
The gear change must be restarted.
Disengaging t
Diseng
aging the he di er
di erential
ential locks
locks
Press the buttons in the following order 3,
#
2, 1.
or
To simultaneously disengage all di erential
#
locks: press button 1.
or
To disengage the di erential locks for the rear
#
and front axles: press button 2.
The di erential locks are only disengaged when
the function indicator lamps are gone out again
4.
If you park the vehicle with the di erential locks
engaged, they will be deactivated automatically
when the vehicle is started again. In some cases,
you have to drive a few metres before the di er-
ential locks are properly disengaged. Therefore,
check if the function indicator lamps have gone
out when you restart the vehicle 4.
Observe any information which may be displayed
in the instrument cluster:
appears.
Warning and indicator lamps
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Display messages
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F F unction of t
unction of the 4MA
4MATIC ensures that all four wheels are driven.
Together with ESP
the traction of your vehicle whenever a driven
wheel spins due to insu cient traction.
If you fail to adapt your driving style, 4MATIC can
neither reduce the risk of an accident nor override
the laws of physics. 4MATIC cannot take account
of road, weather and tra c conditions. 4MATIC is
only an aid. You are responsible especially for
maintaining a safe distance from the vehicle in
front, for vehicle speed, for braking in good time
and for staying in lane.
he 4MATIC
TIC
®
and 4ETS, 4MATIC improves
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