#
Wait until the ball neck has loc ked in place.
When indicator lamp 2is continuously lit, the
ball neck is securely loc ked in place.
If th e ball neck is not securely loc ked in place,
indicator lamp 2will 0ash and the message
Check trailer hitch lock will appear onthe
inst rument displa y. R
R
e
e tr
tr acting t
acting t he ball nec
he ball nec k full
k fully electr
y electr ically
ically #
Pull button 1.
Indicator lamp 2will 0ash and the message
Trailer coupling extending… will appear onthe
inst rument displa y.
The ball neck will retract fully electricall y. #
Wait until the ball neck has loc ked in place.
When indicator lamp 2goes out, the ball
neck is securely loc ked in place.
If th e ball neck is not securely loc ked in place,
indicator lamp 2will 0ash and the message
Check trailer hitch lock will appear onthe
inst rument displa y.
Obser vethe information about the displa yson the
inst rument cluster:
R Indicator and warning lamps (/ page 479)
R Display message s (/page 412) Ext
Ext
ending and re
ending and retr
tracting t
acting t he ball nec
he ball nec k full
k fully electr
y electr i-
i-
call
call y (multimedia syst
y (multimedia syst em)
em) &
W
WARNING
ARNING Risk of accident due tothe ball
neck not being engaged
If th e ball neck is not engaged, the trailer may
come loose. #
Always engage the ball neck as descri-
bed. *
N
NOOTE
TE Damage tothe all-electric trailer
hitch due toadditional pressure The all-elect
ric trailer hitch could be mechani-
cally damaged byapplying additional pressure
when the ball neck is being extended or
re tracted. #
Do not make the ball neck extend/
re tract faster byapplying additional pres-
sure. R
R
eq
eq uir
uir ements:
ements:
R The vehicle is secured against rolling away.
R The swivel range is clear. Driving and parking
273
273
R
The trailer cables or ada pter plugs ha vebeen
re mo ved.
Multimedia system: 4 © 5
Settings 5
Quick access
Ext
Ext ending t
ending t he ball nec
he ball nec k full
k fully electr
y electr ically
ically #
Select Ü.
The Trailer coupling extending… display mes-
sage appears on the multifunction displa y.
The ball neck will extend fully electricall y.#
Wait until the ball neck has loc ked in place.
If th e ball neck is not securely loc ked in place, the
Check trailer hitch lock message will appear on
th e multifunction displa y.
R
R e
etr
tr acting t
acting t he ball nec
he ball nec k full
k fully electr
y electr ically
ically #
Select Ü.
The Trailer coupling extending… display mes-
sage appears on the multifunction displa y.
The ball neck will retract fully electricall y.#
Wait until the ball neck has loc ked in place. If
th e ball neck is not securely loc ked in place, the
Check trailer hitch lock message will appear on
th e multifunction displa y. Coupling up/uncoupling a tr
Coupling up/uncoupling a tr
ailer
ailer &
W
WARNING
ARNING Risk of injury from theve hicle
le ve l being changed
V
V ehicles wit
ehicles wit h lev
h level contr
el contr ol syst
ol system:
em:theve hicle
le ve l may be changed unintentionall y,e.g. by
ot her persons. You may become trapped if you
couple up or uncouple a trailer while theve hi-
cle le vel is changing. In addition, other people
could become trapped if their limbs are
between theve hicle body and the tyres or
underneath theve hicle.
When coupling up or uncoupling a trailer,
make sure that: #
The doors or tailgate are not opened or
closed. #
You do not initiate the le vel control sys-
te m and do not operate theDY NAMIC
SELECT switch. #
Do not lo ckor unlock theve hicle. R R
eq
eq uir
uir ements:
ements:
R The ball neck is extended and engaged in a
securely loc ked position.
Tr ailers with a 7-pin plug can be connected tothe
ve hicle with thefo llowing adap ters:
R Adapter plug
R Adapter cable
The trailer will be cor rectly de tected bytheve hi-
cle only if thefo llowing conditions are met:
R The trailer is connected cor rectl y.
R The trailer lighting system is in working order.
The functions of thefo llowing systems will be
a.ec tedbya cor rectly connected trailer:
R ESP ®
trailer stabilisation
R Active Lane Keeping Assist
R Parking Assist PARKTRONIC
R Active Parking Assist
R Blind Spot Assist or Active Blind Spot Assist 274
274
Driving and parking
R
Drive Away Assist
R Cross Tra1c Ale rt
R Reversing camera
R 360° camera
R AMG RIDE CONTROL +
Coupling up a tr
Coupling up a tr ailer
ailer
* NO NOTE TEDamage tothe star ter battery due
to full dis charge Charging
the trailer battery using the po wer
supply of the trailer can damage the star ter
batter y. #
Do not use theve hicle's po wer supply to
ch arge the trailer batter y. #
Remo vethe co ver cap from the ball head and
store it in a safe place. #
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 1ingroo ve 3 on
th e soc ket. #
Turn bayonet coupling 2totheright as far 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. Under
thefo llowing conditions, a message may
appear on the inst rument display even if the
trailer has been connec ted cor rectl y:
R LEDs ha vebeen ins talled in the trailer lighting
system.
R The cur rent has fallen below the trailer lighting
system's minimum cur rent (50 mA).
% Accessories can be connected tothe perma-
nent po wer supply up to180 W and tothe
po we r supply that is switched on via the igni-
tion loc k.
U
U ncoupling a tr
ncoupling a tr ailer
ailer &
W
WARNI NG
ARNI NGRisk of being crushed and
becoming trapped when uncoupling a
trailer
When uncoupling a trailer with an engaged
inertia-activated brake, your hand may
become trapped between theve hicle and the
trailer dr awbar. #
Do not uncouple trailers with an engaged
ove rrun brake. Driving and parking
275 275
*
N
NO
OTE
TE Damage during uncoupling with an
engaged overrun brake The
vehicle may be damaged if you uncouple
with an engaged overrun brake. #
Do not uncouple trailers with an engaged
ove rrun brake. &
W
WARNING
ARNING Risk of becoming trapped when
disconnecting the trailer cable
V
V ehicles wit
ehicles wit h lev
h level contr
el contr ol syst
ol system:
em:Thevehicle
may lo wer when the trailer cable is disconnec-
te d.
This could result in you or other people
becoming trapped if your or their limbs are
between theve hicle body and the tyres or
underneath theve hicle. #
Make sure that nobody is underneath the
ve hicle or in the immediate vicinity of the
wheel ar ches when you disconnect the
trailer cable. *
N
NOOTE
TE Damage tothere ar bumper from
ins talling adap ter cables or adap ter plugs The
following parts could be damaged when
swiveling the ball neck fully electricall y:
R Bumper
R Adapter cable
R Adapter plug #
Alwaysre mo vethe adap ter cable or
adap ter plug before swiveling the ball
neck fully electricall y. #
Secure the trailer against rolling away. #
Disconnect the electrical connection between
th eve hicle and the trailer. #
Uncouple the trailer. #
Place the co ver cap on the ball head.
% T Tr
railer
ailer s wit
s wit h LED lighting:
h LED lighting: aTer uncoupling the
traile r,switch theve hicle on and then o.
again. Bicy Bicy
cle r
cle r ac
ack function
k function &
W
WARNING
ARNING Risk of an accident if the bicy-
cle rack is used incor rectly
The bicycle rack may become de tach ed from
th eve hicle in thefo llowing cases:
R the permissible load capacity of the trailer
hitch is exceeded.
R the bicycle rack is used incor rectl y.
R the bicycle rack is secured tothe ball neck
beneath the ball head.
Obser vethefo llowing foryo ur ow n sa fety and
th at of other road users:
R always adhere tothe permissible load
capacity of the trailer hitch.
R always obser vethe permissible rear axle
load of theto wing vehicle.
R use the bicycle rack only totransport bicy-
cles. 276
276
Driving and parking
R
always mount the bicycle rack proper lyby
attaching tothe ball head and the ball
neck guide pin, if possible.
R when transporting four bicycles, alw ays
use bicycle rack s which ha veadditional
support on the ball neck guide pin.
R use only bicycle rack s appr oved by
Mercedes-Benz.
R always obser vethe bicycle rack operating
instructions. *
N NOOTE TE Damage toor breakage of the trailer
hitch due tounsuitable or improper lyused
bicycle rack. #
Only use bicycle rack s appr ovedby
Mercedes-Benz prope rly as described
bel ow. *
N
N O
OTE
TE Increased risk of damage toprop-
erty due tofolded-out ball neck #
When the trailer is not coupled or the
bicycle rack is attached, fold in the ball neck or, in
the case of a fully electric
trailer hitch, retract the ball nec k. *
N
NO
OTE
TE The ope rating permit may be in vali-
dated due tothe illegal installation of
trailer hitches The installation – including
retro/tting – of a
non- folding or non-remo vable trailer hitch that
eve n partial lyconceals the license plate or the
lighting system is prohibited. #
Obser vethe applicable legal regulations
fo rth e installation of trailer hitches. Tr
ailer hitch (example with additional guide pin)
Depending on the bicycle rack 's design, di.erent
numbers of bicycles can be transpor ted.
The following bicycle rack designs are possible:
R When mounted byattaching toball head 1,
th e maximum load capacity is 75 kg. You can
transport up tothre e bicycles. Driving and parking
277
277
R
When mounted on ball head 1and guide pin
2, the maximum load capacity is 100 kg. Yo u
can transport up tofour bicycles.
The maximum load capacity is calculate d fromthe
we ight of the bicycle rack and the bicycle rack
load.
Obser vethe no tes on driving with a roof load,
trailer or fully laden vehicle (/ page 172).
When using a bicycle rack , set the tyre pressure
fo r increased load on there ar axle of theve hicle.
Fu rther information on the tyre pressure can be
fo und in the tyre pressure table (/ page 381).
N
No ot tes on loading
es on loading
The lar gerth e distance between the load's centre
of grav ity and the ball head, thegr eater the load
on the trailer hitch.
Obser vethefo llowing no tes:
R mount heavy bicycles as close totheve hicle
as possible
R always distribute the load on the bicycle rack
as evenly as possible across theve hicle's lon-
gitudinal axis Mercedes-Benz
recommends removing all de tach-
able parts from bicycles (e.g. bask ets, ch ild seats,
batteries) before loading them onto the bicycle
ra ck . This will impr ovethe aerodynamic resist-
ance and cent reofgrav ity of the bicycle rack.
Alw ays secure the bicycles toprev ent them from
moving around and check them at regular inter-
va ls to ensure that they are secure.
Do not use tarp aulins or other co vers. The driving
ch aracteristics and rear view may be impaired. In
addition, aerodynamic resis tance and the load on
th e trailer hitch will increase. Load distribution on
the bicycle rack
1 Vertical distance between centre of grav ity
and ball head
2 Horizontal distance between centre of grav ity
and ball head
3 The centre of grav ity is on theve hicle's cen-
tral axis
Obser vethefo llowing information when loading
th e bicycle rack: 278
278
Driving and parking
Loading t
Loading t
he bicy
he bicycle r
cle rack
ack 3 bicy
3 bicy
cles
cles 4 bicy
4 bicycles
cles
To talwe ight
of bicycle
ra ck and load Up
to75 kg Up to100 kg
Max. distance
1 420 mm 420 mm
Max. distance
2 300 mm 400 mmWhen transporting
four bicycles or a tota lwe ight
between 75 kg and 100 kg, alw ays use bicycle
ra ck s with additional support on the trailer hitch
guide pin. V V
ehicle to
ehicle towing ins
wing ins tr
tructions
uctions
The vehicle is not suitable forth e use of tow bar
systems that are used for 0at towing or dinghy
to wing, forex ample. Attach ing and using tow bar
systems can result in damage totheve hicle.
When you are towing a vehicle with tow bar sys-
te ms, safe driving characteristics cann otbe guar- anteed
forth eto wing vehicle or theto we dve hicle.
The vehicle-trailer combination may swer vefrom
side toside.
Obser vethefo llowing information:
R Perm itted towing me thods (/ page 370)
R The no tes on towing theve hicle with bo th
axles on thegr ound (/ page 371) Driving and parking
279
279
R
With th e wiper arms folded out, clean the
wiper blades with a damp clo th.
% Make sure that the wiper blades are coated.
The coating can lea veresidues on a clo th. Do
not rubth e wiper blades excessively or clean
th em too oTen.
Ext
Ext er
erior lighting
ior lighting
R Clean the lenses with a wet sponge and mild
cleaning agent (e.g. car sha mpoo).
R Only use cleaning agents or cleaning clo ths
th at are suitable for plastic lenses.
V
V ehicle soc ke
ehicle soc ket (high-v
t (high-v olt
oltag
age batt
e batt er
ery)
y)
R Use clean water and a soT clo thtoclean the
ve hicle soc ket.
R Do not use high-pressure cleaners or cleaning
agents such as soap.
Sensors
Sensors
R Clean the sensors in the front and rear bump-
ers with a soT clo thand car shampoo
(/ page 210).
R When using a high-pressure cleaner, main tain
a minimum distance of 30 cm. R R
e
ev
ver
er sing camer
sing camer a and 360° Camera
a and 360° Camera
R Open the camera co ver with the multimedia
system (/ page 260).
R Use clean water and a soT clo thtoclean the
camera lens.
R Do not use a high-pressure cleane r.
Ext
Ext endable r
endable r ear wing
ear wing
R Extend there ar wing when washing byhand
(/ page 252).
R Clean there ar wing with a soT car spon geand
mild cleaning agent (e.g. car shampoo).
R Retract there ar wing comple tely aTer drying
(/ page 252).
R Do not use a high-pressure cleaner.
T
T ailpipes
ailpipes
R Clean with a cleaning agent recommended for
Mercedes-Benz, especially in the winter and
aTer washing theve hicle.
R Do not use acidic cleaning agents.
Tr
Tr ailer hitch
ailer hitch
R Obser vethe no tes on care in the trailer hitch
manufacturer's operator manual. R
Do not clean the ball neck with a high-pres-
sure cleaner or sol vent.
R Remo vetraces of rust on the ball (e.g.using a
wire brush).
R Remo vedirt with a lint-free clo th.
R ATer cleaning, lightly oil or grease the ball
head.
% Before using trailers with anti-torsional cou-
pling, obser vethe manufacturer's operator
manual. N No
ot
tes on car
es on car e of t
e of t he int
he int er
erior
ior &
W
WARNING
ARNING Risk of injury from plastic parts
breaking o. aTer the use of sol vent-based
ca re products
Care and cleaning products containing sol-
ve nts can cause sur faces in the cockpit to
become porous. When the airbags are
deplo yed, plastic parts may break away. #
Do not use any care or cleaning products
containing sol vents toclean the cockpit. Maintenance and care
355 355