2018 MERCEDES-BENZ G-CLASS SUV trailer

R
You cut the corner on a sharp bend.
Setting the sensitivity of Active Lane Keep‐
ing Assist
Multimedia sy stem:
4 Vehicle 5
k Assistance
5 Act. Lane Keep. Assist #
Select Adaptive orStandard.
Ac tive Lane Keeping Assist is activated with
th e selected setting.
or #
Select Off.
Ac tive Lane Keeping Assist is deactivated. Tr
ailer hitch Tr
ailer operation no tesMercedes‑AMG
vehicles: always obser vethe
no tes in the Supplement. Otherwise, you may
fa ilto recognise dangers. Obser
vethefo llowing no tes on theto ngue
we ight:
R do not use a tongue weight that exceeds or
fa lls below the permissible tongue weight
R use a tongue weight as close as possible to
th e maximum tongue weight
Do not exceed thefo llowing values:
R permissible towing capacity
R permissible rear axle load of theto wing vehi‐
cle
R permissible gross mass of theto wing vehicle
R permissible gross mass of the trailer
R maximum permissible speed of the trailer
Ensure thefo llowing before starting a journey:
R the tyre pressure on there ar axle of theto w‐
ing vehicle is set for a maximum load
R the lighting of the connected trailer is opera‐
tional
R vehicles without LED headlamps or MUL‐
TIBEAM LED headlamps: the headlamps
ha ve been set cor rectly In
theeve nt of increased rear axle load, the car/
trailer combination may not exceed a maximum
speed of 100 km/h forre asons concerning the
operating permit. This also applies in countri es
in which the permissible maximum speed for
car/trailer combinations is ab ove100 km/h. Coupling up / uncoupling a trailer
Requ
irements:
Tr ailers with a 7-pin plug can be connec tedto
th eve hicle with thefo llowing adap ters:
R adap ter plug
R adapte r cable
The trailer will be cor rectly de tected bytheve hi‐
cle only if thefo llowing conditions are me t:
R the trailer is connected cor rectly
R the trailer lighting sy stem is in working order
The functions of thefo llowing sy stems are af fec‐
te dby a cor rectly connected traile r:
R Active Lane Keeping Assist
R ESP ®
trailer stabilisation 222
Driving and parking

R
Parking Assist PARKTRONIC
R Active Parking Assist
R Blind Spot Assist
Coupling up a trailer
* NO
TEDama getotheve hicle battery due
to full discharge Charging
the trailer battery using the po wer
supply of the trailer can damage theve hicle
batter y. #
Do not use theve hicle's po wer supply
to charge the trailer batter y. #
Remo vethe co ver from the ball head 1and
st ore it in a safe place (/ page 98). #
Position the trailer on a le vel sur face behind
th eve hicle and couple it up totheve hicle. #
Open the soc ket cap. #
Inse rtthe plug with lug 1in groo ve3 on
th e soc ket. #
Turn the ba yonet coupling 2clockwise as
fa r as it will go. #
Let the cap engage. #
Secure the cable tothe trailer with cable ties
(only if you are using an adap ter cable). #
Make sure that the cable is alw ays slack for
ease of mo vement during cornering. Driving and parking
223

A displ
aymessa gemay appear on the multifunc‐
tion display even if the trailer has been connec‐
te d cor rectly:
R LEDs ha vebeen ins talled in the trailer light‐
ing sy stem
R The cur rent has fallen below the trailer light‐
ing sy stem's minimum cur rent (50 mA).
% Accessories can be connected tothe perma‐
nent po wer supp lyup to180W, and tothe
po we r supp lythat is swit ched on via the igni‐
tion loc k.
Un coupling a trailer &
WARNING Risk of being crushed and
becoming trapped when uncoupling a
trailer
When uncoupling a trailer wi than engaged
ine rtia-activated brake, your hand may
become trapped between theve hicle and the
trailer dr awbar. #
Do not uncouple trailers with an
engaged overrun brake. #
Secu rethe trailer against rolling away. #
Disconnect the electrical connection
between theve hicle and the trailer. #
Uncouple the trailer. #
Place the co ver on the ball head. Ve
hicle towing instructions
The vehicle is not suitable forth e use of tow bar
sy stems that are used forflat towing or ding hy
to wing, forex ample. Attach ing and using tow bar
sy stems can lead todamage on theve hicle.
When you are towing a vehicle with tow bar sys‐
te ms, safe driving characteristics cannot be
guaranteed forth eto wing vehicle or theto wed
ve hicle. The vehicle-trailer combination may
swer vefrom side toside. Comply with the per‐
mitted towing me thods (/ page 401) and the
instructions forto wing with bo thaxles on the
ground ( /page 401). 224
Driving and parking

Note
s on cleaning and car eA voiding vehicle damage
Ta ilpipes
Clean with cleaning agents recommended byMercedes-Benz,
particular lyin the winter and af terwa shing theve hicle. Do not use acidic cleaning agents.
Tr ailer hitch R
Remo vetraces of rust on the ball, e.g. with a wire brush.
R Remo vedirt with a lint-free clo th.
R After cleaning, oil or grease the ball head lightl y.
R Obser vethe no tes on care in the trailer hitch manufactur‐
er's operating instructions. Do not clean
the ball neck with a high-pressure cleaner or sol‐
ve nt. Note
s on care of the interior &
WARNING Risk of inju ryfrom pla stic
parts breaking off af terth e use of sol‐
ve nt-based care products
Ca reand cleaning products con taining sol‐
ve nts can cause su rfaces in the cockpit to
become porous. When
the airbags are deplo yed, plastic parts
may break away. #
Do not use any care or cleaning prod‐
ucts containing sol vents toclean the
cockpit. &
WARNING Risk of inju ryor death from
bleached seat belts
Bleaching or dyeing seat belts can se verely
we aken them.
This can, forex ample, cause seat belts to
te ar or fail in an accident. #
Never blea chor dye seat belts. 388
Maintenance and care

When
your vehicle is then towe daw ay, signif‐
icantly more ef fort may be requ ired tosteer
and brake than is no rmally requ ired. #
Use a tow bar. #
Make sure that thesteering wheel can
mo vefreely, before towing theve hicle
aw ay. *
NO
TEDama gedue toexcessive tracti ve
po wer If
yo u pull away sharpl y,the tractive po wer
may be too high and theve hicles could be
damaged. #
Pull away slowly and smoo thly. Note
s onreco vering a vehicle that is stuck *
NO
TEDama geas a result of reco vering a
ve hicle that is stuck If
th e tractive po wer is too high, theve hicles
could be damaged. #
Pull theve hicle that is stuck out as
st ra ight and evenly as possible du ring
re co very. Obser
vethefo llowing during reco very to avo id
damage to yourvehicle:
R ifth e driven wheels get trapped on loose or
muddy ground, reco verth eve hicle with the
utmost care,
especially so if theve hicle is laden.
R never attem pttoreco ver a vehicle that is
st uck with a trailer attached.
R pull out theve hicle that is stuck backwards,
if possible, using the trac ksit made before it
became stuc k. To
wing vehicle away intheeve nt of malfunc‐
tions Note
s ontowing away intheeve nt of mal‐
functions
* NO
TEDama gedue toincor rect attach‐
ment and use of old nuts The
vehicle and components of theve hicle
can be damaged due toincor rect attachment
and use of old nuts. #
Ifyo ure mo vethe propeller shaft, place
th e M10 nuts on the M8 bolts as
spacers and secure them with M8 nuts. #
Alw ays use new self-locking nuts when
ins talling the propeller shafts. Obser
vethe no tes on towing away
( / page 401).
% For fur ther information, consult a Mercedes-
Benz Service Centre. Breakdown assis
tance 403

ues depend on
theve hicle tyres and vehicle
we ight.
Obser vethe no tes on driving in mountainous ter‐
ra in (/ page145). All
models
1
1Front 2
2Rear
Wi thout trailer
hitch 30.9°2
9.9°
Wi th trailer hitc h30.9° 25.9° Maximum
gradient climbing ability
The vehicle's gradient climbing ability depends
on thewe ight distribution in theve hicle, thete r‐
ra in conditions and thero ad sur face conditions. The specified
value applies under thefo llowing
conditions:
R theve hicle is ready todrive – fuel tank filled
to 90%, all fluids topped up, with driver
R theLOW RANGE off-road gear of the trans‐
fe r case is engaged
R thero ad sur faces conditions and thus the
traction are good
A gradient climbing ability of 100% cor responds
to an incline of 45°.
Obse rveth e no tes on driving in mountainous ter‐
ra in (/ page145). Model
Maximumgra‐
dient climbing ability
All models 100% Tr
ailer hitch Gene
ral no tes on the trailer hit ch Not all models can be used
for trailer operation
(/ page 222).
Modi fications tothe engine cooling sy stem may
be necessar y,depending on theve hicle model.
The retrofitting of a trailer hitch is only pe rmissi‐
ble if a towing capacity is specified in your vehi‐
cle documents.
Fu rther information can be obtained at a quali‐
fi ed specialist workshop. Te
ch nical da ta439

Mounting dimensions of
the trailer hit ch 1
Fastening points
2 Overhang dimension
3 Rear axle centre line The
overhang dimension and fastening points
are valid for a trailer hitch ins talled at thefa c‐
to ry. Model
2 2Over‐
hang dimen‐ sion
All model s8 72mm Pe
rm issible towing capacity The
tongue weight is not included in theto wing
capacity.
Pe rm issible towing capacit y,braked (at a
minimum start-off gradeability of 8%) Model
Perm issible
to wing capa‐
cit y,braked
All models 3500kg Pe
rm issible towing capacit y,braked (at a
minimum start-off gradeability of 12%) Model
Perm issible
to wing capa‐
cit y,braked
All models 3500kg Pe
rm issible towing capacit y,unbraked Model
Perm issible
to wing capa‐
cit y,
unbraked
All model s7 50kg Maximum
tongue weight *
NO
TEDama gecaused bythe trailer
coming loose If
th eto ngue weight used is too lo w,the
trailer may come loose. 440
Tech nical da ta

#
The tongue weight must not be below
50 kg. #
Use a tongue weight that is as close as
possible tothe maximum permissible
to ngue weight. To
ngue weight Model
Maximumtongue
we ight
All models 140kg Pe
rm issible rear axle load during trailer
operation Axle load
Model
Axle load
All models 1900 kg Te
ch nical da ta441