
Both can be obtained at
aquali fied specialist
workshop.
Fitting the adapter !
Make sur
ethat there is sufficient cable play
so that the cable cannot become detached
whe ncornering.
! Remove the installed adapter cable before
folding in the ball coupling. Otherwise, dam-
ag em ay occu rtothe rea rbum pera nd the
adapter cable. X
Ope nthe socket cover.
X Insert the plug connector with lug :into
groove =on the socket.
X Turn bayonet connection ;around clock-
wise to the stop.
X Let the cover engage.
X If yo uare using an adapter cable, secure the
cable to the trailer with cable ties. 230
Towingat
railerDrivingand parking

You can navigate in menus and lists via touch-
sensitiv esurface :by using asingle finger
swiping gesture .
X To select th emenu item: swipe up, down, to
the left or right.
X Press the touchpad.
X To move th edigital map: swipe in all direc-
tions.
Use atwo-finger swiping gesture ,e.g. to use
these functions:
X To show or hide th eaudio menu: swipe up
or down with two fingers.
X To increase or reduce th
evehicle settings
and sound settings: turn two fingers clock-
wise or anti-clockwise.
X To zoom in and out of th emap:move two
fingers together or apart.
Character inpu twith handwriting rec-
ognition Entering characters
X Use one finger to write characters on the sur-
face.
The character is entered in the input line. If
the character that you have entered can be
interpreted in differen tways, the suggested
characters are displayed.
X If character suggestions are shown ,turn and
press the controller.
X Resume character input on the touchpad.
Handwriting recognition :
Activ einput line
; To enter aspace
= Character input on the touchpad
? To delete characters
X To display th emenu: press the touchpad. :
To exit the menu
; To return to handwritin grecognition
= To use the phon ebook or tex ttemplates
(COMAN DOnline)
? To selec tthe input line or to change the
position of the cursor
A To switc hthe language
B To finish character entry
X To select th einpu tline: select p.
X Swipe up or down.
X To move th
ecursor within th einpu tline:
select p.
X Swipe to the left or right.
X To delet echaracters: swipe to the left if an
input line is selected.
X To confirm th eentry: press the touchpad.
Switchin gthe handwriting recognition
read-aloud function on and off
Multimedia system:
X Select Vehicle VehicleQ System set‐ System set‐
tings
tingsQRead out handwriting recog‐ Read out handwriting recog‐
nition
nition.
The read-aloud function is switched on Oor
off ª. 298
Operating systemMultimedia system

Fron
tstowage compartments Glov
ecompartment X
To open: pull handle :and open glov ecom-
partmen tflap ;.
X To close: foldg lovec om partmen tflap ;
upward suntil it engages.
Object sinA4format or an iPad ®
,f or example,
can be store dintheglov ecom partment. For
vehicles wit haperfum eatomiser (Y page 136)
th es torag espac eoft heglov ecom partmen tis
restricted. The glov
ecom partmen tcan only be locke dand
unlocked usin gthe emergenc ykey element
(Y page 82).
X To lock: insert theemergenc ykey element
int ot he locka nd tur nit90°clockwise to
position 2.
X To unlock: insert theemergenc ykey element
int othe lockand tur nit90°anti-clockwise to
position 1. Spectacles compartment
X
To open: press marking :.
The spectacles compartmen topen sdown-
wards.
Mak esure that th espectacles compartmen tis
always closed while th evehicl eisinm otion.
Stowage compartment in th efront centre
console Illustration
:vehicles wit hDIRECT SELECT lever
X Briefly press trim ;in th edirection of the
arrow.
Cover :swings upwards.
Stowage compartment in th edoors Stowage areas
309Stowing and featu res Z

Problems with the 230
Vpower socket Problem
Possible causes/consequences and
M
MSolutions The warning lamp on the
230 Vpower socket is
not lit. The on-board voltage is too low because the battery is too weak.
X Start the engine.
or X Charge the battery (Y page 343).
If the indicator lamp still does not light up: X Consult aqualified specialist workshop. The temperature of the DC/AC converter is temporarily too high.
X Remove the electronic device connector from the 230 Vsocket.
X Let the DC/AC converter cool down.
If the indicator lamp still does not light up after the converter cools
down:
X Consult aqualified specialist workshop. You have connected an electronic device that has
aconstant nominal
power of less than 150 watts, but has avery high switch-on current.
This device will not work. If you connect such adevice, the 230 V
power socket will not supply it with power.
X Connect asuitable electronic device. Mercedes-Benz emergency call sys-
tem
Information on these requirements can be found in the separate multimedia system operating
instructions. X
To open: press cover :for at least one sec-
ond.
X To make an emergency call: press SOS but-
ton ;briefly.
The indicator lamp in SOS button ;flashes
until the emergency call is concluded. X
Wait for avoice connection to the Mercedes-
Benz emergency call centre.
X After the emergency call, close cover :.
You will see amessage if:
R ac onnection to the Mercedes-Benz emer-
gency call centre cannot be made
R ac all has not been automatically forwarded
to the public emergency call centre
In this case, dial the 112emergency number
on your mobile phone.
You can find more information on the Mercedes- Benz emergency call system in the separate
multimedia system operating instructions. Mercedes-Benz Contact
General notes Mercedes-Benz Contact offers fast assistance
at the touch of
abutton –around the clock. For
any queries about the vehicle, Mercedes-Benz
Contact offers afast and easy connecting call to
the Mercedes-Benz Customer Centre. You can, 318
FeaturesStowing and features

engine or to the catalytic converter. Have
exces
sengine oil siphoned off. Example
X Turn cap :anti-clockwise and remove it.
X Top up the engine oil.
If the oil level is at or below the MIN mark on
the oil dipstick ,top up with 1.0 lofe ngine oil.
X Replace cap :on the filler neck and turn
clockwise.
Make sure that the cap locks securely into
place.
X Check the oil leve lagain with the oil dipstick
(Y pag e323).
For further information on engine oil ,see
(Y pag e375). Other service products
Important safety notes G
WARNING
Certain components in the engine compart-
ment coul dbevery hot, e.g. the engine, the
radiator and parts of the exhaust system.
There is arisk of injury when accessing the
engine compartment.
As far as possible ,allow the engine to cool
dow nand only touch the components descri-
bed in the following. G
WARNING
The cooling system is pressurised, particu-
larl yw hen the engine is warm. If you open the
cap, you coul dbescalded if hot coolant
sprays out. There is arisk of injury. Let the engine cool dow
nbefore you open the
cap. Wea rglove sand eye protection. Open
the cap slowly to release the pressure. G
WARNING
If windscreen washer concentrate comes into contact with hot components of the engine or
the exhaust system, it can ignite. There is a
risk of fire and injury.
Make sure the windscreen washer concen-
trate does not come into contact with the filler neck.
Checking the coolan tlevel X
Park the vehicl eonalevelsurface.
Only check the coolant leve lifthe vehicl eis
on aleve lsurface and the engine has cooled
down.
X Turn the key to position 2in the ignition lock
(Y pag e145).
or
X On vehicles with KEYLESS-GO, press the
Start/Stop button twice (Y page145).
X Check the coolant temperature display in the
instrument cluster (Y page233).
The coolant temperature must be below
70 †.
X Turn the key to position 0(Y pag e145).
or
X On vehicles with KEYLESS-GO, pul lthe Start/
Stop button from the ignition lock
(Y pag e145).
X Slowl yturn cap :halfat urn anti-clockwise
to allow excess pressure to escape. 324
Engine compartmentMaintenance and care

X
Turn cap :further anti-clockwise and
remove it.
If the coolant is at the level of marker bar =
in the filler neck when cold, there is enough
coolant in coolant expansion tank ;.
If the coolant level is approximately 1.5 cm
above marker bar =in the filler neck when
warm, there is enough coolant in coolant
expansion tank ;.
X If necessary, top up with coolant that has
been tested and approved by Mercedes-Benz.
X Replace cap :and turn it clockwise as far as
it will go.
Further information on coolant (Y page 376).
Topping up the windscreen washer sys- tem X
To open: pull cap:upwards by the tab and
open.
X Top up with the premixed washer fluid.
X To close: press cap :ontot he filler neck
until it engages.
If the washer fluid level drops below the recom- mended minimum of 1litre, amessage appears
in the multifunction display promptin gyou to
top up the washer fluid (Y page 283).
Further information on windscreen washer
fluid/antifreez e(Ypage 377). ASSYST PLUS
Service message
The ASSYST PLUS service interval display
inform syou of the next service due date.
Information on the type of service and service
intervals (see the separate Servic eBooklet). You can obtain further information from a
Mercedes-Benz Servic
eCentre.
i The ASSYST PLUS service interval display
does not show any information on the engine oil level. Observe the notes on the engine oil
level (Y page 323).
The multifunction display shows aservice mes-
sage for afew seconds, e.g.:
R Service AinXXd ays
Service AinXXd ays
R Service Adue
Service Adue
R Service Aoverdue by XX days
Service Aoverdue by XX days
Dependin gonthe operating conditions of the
vehicle, the remaining time or distance until the
next service due date is displayed.
The letter indicates which service is due. A A
stands for aminor service and B
Bfor am ajor ser-
vice. Anumber or another letter may be dis-
played after the letter.
Only for certain countries: the position after the
letter A
A or B Bindicates any necessary additional
maintenance work. If you notify aqualified spe-
cialist workshop of this display ,you will receive
as tatement on the associated costs.
The ASSYST PLUS service interval display does
not take into account any periods of time during which the battery is disconnected.
Maintaining the time-dependent service sched-
ule:
X Note down the service due date displayed in
the multifunction display before disconnect-
ing the battery.
or
X After reconnecting the battery, subtract the
battery disconnection periods from the ser-
vice date shown on the display. Hiding service messages
X Press the aor% button on the steering
wheel. Displaying service messages
X Switch the ignition on.
X Use ò on the steerin gwheel to call up the
list of menus. ASSYST PLUS
325Maintenance and care Z

hitch. You could otherwise damage the vehi-
cle.
! Observe the following points when towing
with atow rope:
R Secure the tow rope on the same side on
both vehicles.
R Make sure that the tow rope is not longer
than legallyp ermitted. Mark the tow rope in
the middle, e.g. with awhite cloth
(30 x30c m).This will make other road
users aware that avehicle is being towed.
R Only secure the tow cable to the towing
eyes or, if available, to the trailer tow hitch.
R Observe the brake lamps of the towing
vehicle while driving. Always maintain adis-
tance adistance so that the tow rope does
not sag.
R Do not use steel cables or chains to tow
your vehicle. You could otherwise damage
the vehicle.
! Do not use the trailer tow hitch for recovery
or towing. Do not use the towing eye for
recovery. This could damage the vehicle. If in doubt, have the vehicle recovered using a
crane.
! Pull away smoothly when towing away or
tow-starting avehicle. If the tractive power is
too high, the vehicles could be damaged.
! Shift the automatic transmission to
Nand
do not open the driver's or front passenger's
door during towing. The automatic transmis-
sion may otherwise shift to position P,which
could damage the transmission.
! You may tow the vehicle for
amaximum of
50km.At owing speed of 50 km/h must not
be exceeded.
For towing distances over 50 km, the entire
vehicle must be lifted up and transported.
Observe the legal requirements for the relevant countries when towing.
It is better to have the vehicle transported than
to have it towed.
If the vehicle has suffered transmission damage,
have it transported on atransporter or trailer.
Vehicles with automatic transmission: when
towing avehicle, the automatic transmission
must be in position N.Ifthe automatic trans-
mission cannot be shifted to position N,have the vehicle transported on
atransporter or
trailer.
The battery must be connected and charged.
Otherwise, you:
R cannot turn the key to position 2in the igni-
tion lock
R cannot release the electric parking brake
R cannot shift the transmission to position Non
vehicles with automatic transmission
Deactivate the automatic locking feature before towing the vehicle (Y page 88). You could oth-
erwise be locked out when pushing or towing
the vehicle.
Deactivate tow-away protection before the vehi- cle is towed away (Y page 79). Fitting/removing the towing eye
Fitting the towing eye The mountings for the removable towing eyes
are located in the bumpers. They are at the rear
and at the front,u nder covers:.
X Remove the towing eye from the vehicle tool
kit (Y page 336).
X Press the mark on cover :inwards and
remove.
X Screw in the towing eye clockwise as far as it
will go and tighten it.
Vehicles with atrailer tow hitch do not have a
bracket at the back for the screw-in towing eye. Connect the towbar to the trailer tow hitch
(Y page 227). 348
Towing away and tow-startingBreakdown assistance

must be positioned vertically, directly under
the jacking point of the vehicle.
Observe the following when raising the vehi- cle:
R only use the vehicle-specifi cjack that has
been tested and approved by Mercedes-Benz
to rais ethe vehicle. If the jack is used incor-
rectly, it could tip over while the vehicl eis
raised.
R the jack is designed only to rais eand hold the
vehicl efor as hort time while awhee lisb eing
changed. It is not permissibl etouse it to per-
form maintenance work under the vehicle.
R avoi dchanging the whee lonuphill and down-
hill slopes.
R before raising the vehicle, safeguard it from
rolling awaybya pplying the parking brake and
positioning whee lchocks. Do not release the
parking brake while the vehicl eisraised.
R the jack must be placed on afirm, flat and
non-slip surface. On aloose surface, alarge,
flat load-bearing underlay must be used .Ona
slippery surface, anon-slip underlay must be
used ,e.g. rubber mats.
R do not use wooden blocks or similar objects
as ajack underlay.O therwise, the jack willn ot
be abletoa chieve its load-bearing capacity
due to the restricted height.
R make sure that the distance betwee nthe
underside of the tyres and the ground does
not exceed 3cm.
R never place yourh ands or feet under the
raised vehicle.
R do not lie under the vehicle.
R do not start the engine when the vehicl eis
raised.
R do not open or close adoor or the boot lid
when the vehicl eisraised.
R make sure that no persons are present in the
vehicl ewhen the vehicl eisraised.
Vehicles with light-alloy wheels and hub
caps: the whee lbolts are covered by ahub cap.
Before you can unscrew the whee lbolts, you
must remove the hub cap. Two different variants
can be fitted. Vehicles with plastic hub cap:
X To remove: turn the centre cover of hub
cap :anti-clockwis eand remove.
X To fit: before fitting, ensure that hub cap :is
in the open position. To do this, turn the
centre cover anti-clockwise.
X Position hub cap :and turn the centre cover
clockwise until hub cap :engage sphysically
and audibly.
X Make sure that hub cap :is fitted securely. Vehicles with aluminium hub cap:
X To remove: take socket;and whee lwrench
= from the vehicl etool kit (Y page 336).
X Position socket ;on hub cap :.
X Position whee lwrench =on socket ;.
X Using whee lwrench =,turn hub cap :anti-
clockwise and remove it.
X To fit: before fitting, check hub cap :and
the whee larea for dirt and clean if necessary.
X Put hub cap :in position and turn until it is in
the right position.
X Position socket ;on hub cap :.
X Attach whee lwrench =to socket ;and
tighten hub cap :.
The tightening torque must be 25 Nm. Changing
awheel
363Wheelsa nd tyres Z