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R
Check for brush or branches caught in the
underbody.
!
Brush or branches could increase the
possibility of a fire, as well as cut fuel and/
or brake lines, puncture rubber bellows of
the axles or drive shafts.
R
After continued operation in mud, sand,
water or other dirty conditions clean the
brake discs, wheels, brake pads and check
and clean axle joints.
R
Conduct a brake test.
Trailer towing
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.
Trailer hitch
R
Only install a trailer hitch receiver approved
for your vehicle.
For information on availability and
installation, contact an authorized
Mercedes-Benz Center.
R
The bumpers on your vehicle are not
designed for use with clamp-type hitches.
Do not attach rental hitches or other
bumper-type hitches to them.
R
To reduce the possibility of damage,
remove the hitch ball adapter from the
receiver when not in use.
Electrical connections
The vehicle is prewired to accept the seven-
wire harness included in the Mercedes-Benz
approved trailer hitch receiver kit.
i
A four-pole conversion plug is available
from your authorized Mercedes-Benz
Center as a spare part.
For further information, contact an
authorized Mercedes-Benz Center.
Vehicle and trailer weights and ratings
The Gross Trailer Weight (GTW) is the weight
of the trailer plus the weight of all cargo,
equipment, luggage, etc. loaded on the
trailer. The maximum permissible GTW to be
towed:
R
Vehicles with 4MATIC: 7 200 lb (3 265 kg)
R
Vehicles without 4MATIC: 4 630 lb
(2 100 kg)
Trailer Tongue Weight Rating (TWR) is the
maximum permissible weight on the trailer
tongue:
R
Vehicles with 4MATIC: 576 lb (261 kg) limit
for Mercedes-Benz approved hitch receiver
R
Vehicles without 4MATIC: 370 lb (168 kg)
limit for Mercedes-Benz approved hitch
receiver
Loading a trailer
R
When loading a trailer, you should observe
that neither the permissible GTW, nor the
Gross Vehicle Weight Rating (GVWR) are
exceeded. The GVWR is indicated on the
certification label located on the driver’s
door B-pillar (Y page 227).
Maximum permissible values are listed on
the safety compliance certification labels
for the vehicle and for the trailer to be
towed.
254
Driving instructions
Operation
164_AKB; 7; 31, en-US
d2ureepe, Version: 2.11.8.1
2009-09-11T12:07:36+02:00 - Seite 254