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Driving instructions
310
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
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Only install a trailer hitch receiver approved
for your vehicle.
For information on availability and
installation, contact an authorized
Mercedes-Benz Center.
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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.
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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.
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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 gross
trailer weight to be towed: 7 500 lb (3 402 kg).
Trailer Tongue Weight Rating (TWR) is the
maximum permissible weight on the trailer
tongue: 600 lb (272 kg) limit for Mercedes-
Benz approved hitch receiver.
Loading a trailer
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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 275).
Maximum permissible values are listed on
the safety compliance certification labels
for the vehicle and for the trailer to be
towed.
The lowest value listed must be selected
when determining how the vehicle and
trailer are loaded.
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The Tongue Weight (TW) at the hitch ball
must be added to the Gross Vehicle Weight
(GVW) to prevent exceeding your
Mercedes-Benz tow vehicle’s rear Gross
Axle Weight Rating (GAWR). The GVW and
GAWR are indicated on the certification
label located on the driver’s door B-pillar
(Y page 275).
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Mercedes-Benz recommend loading the
trailer in such a manner that it has a TW
between 8 % and 15 % of the GTW.
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Maximum trailer weight ratings are
calculated assuming the vehicle, plus
Operation