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Message in the multifunction display
Diff. Lock System Overheated -
Wait briefly.
The differential lock system has overheated
and briefly disengaged.
X
Continue driving.
The differential locks cool off and are soon
available once again.
Towing a trailer
Notes on towing a trailer
Important safety instructions
G
Warning!
Failure to use proper equipment and driving
technique can result in a loss of vehicle
control when towing a trailer.
Improper towing or failure to follow the
instructions in this manual can result in
vehicle damage and/or serious personal
injury. Follow the guidelines below carefully
to assure safe trailer operation.
Contact an authorized Mercedes-Benz Center
should you require an explanation of
information contained in this manual.
General information
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Only install an approved trailer coupling on
your vehicle.
Further information on availability and on
installation is available from any authorized
Mercedes-Benz Center.
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The bumpers of your vehicle are not
suitable for installing detachable trailer
couplings.
R
Do not install hired trailer couplings or
other detachable trailer couplings on the
bumpers of your vehicle.
R
To reduce the risk of damage to the ball
coupling, remove it from the ball coupling
recess when not in use.
Coupling up a trailer
G
Warning!
While you are coupling or decoupling a trailer,
make sure nobody locks or unlocks the
vehicle and/or opens or closes doors or the
tailgate.
The vehicle’s level could change and you
could endanger yourself and/or others as a
result.
Make sure that you do not operate the ADS
button or the vehicle level control system
when coupling/decoupling the trailer.
Observe the maximum permissible trailer
dimensions (width and length).
Most federal states and all Canadian
provinces require by law:
R
safety chains between the towing vehicle
and the trailer. The chains should be cross-
wound under the trailer drawbar. They must
be fastened to the vehicle's trailer
coupling, not to the bumper or the axle.
Allow for enough play in the chains to
facilitate turning tight corners.
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a separate brake system for certain types
of trailer.
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a safety switch for braked trailers. Check
the specific legal requirements applicable
to your federal state.
If the trailer detaches from the towing
vehicle, the safety switch applies the
trailer's brakes.
!
Do not connect the trailer's brake system
(if featured) to the hydraulic brake system
of the towing vehicle, as the latter is
equipped with an anti-lock brake system.
Doing so will result in a loss of function of
the brake systems of both the vehicle and
the trailer.
i
The vehicle's wiring harness features a
line to the brake indicator lamp.
Towing a trailer
209
Driving and parking
BA 164.8 USA, CA Edition B 2011; 1; 2, en-US
d2sboike Version: 3.0.3.5
2010-04-21T15:08:44+02:00 - Seite 209
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