Page 249 of 497

#
Wait until the ball neck has loc ked in place.
The ball neck is securely loc ked in place
when indicator lamp 1lights up continu‐
ousl y.
If th e ball neck is not securely loc ked in
place, indicator lamp 1flashes and the
Check trailer hitch lock displaymessa ge
appears on the multifunction displa y. #
Pull switch 2.
Indicator lamp 1flashes and theTrailer
coupling extending… display message
appears on the multifunction displa y.
The ball neck retracts fully electrically. #
Wait until the ball neck has loc ked in place.
The ball neck is securely loc ked into place
once indicator lamp 1goes out.
If th e ball neck is not securely loc ked in
place, indicator lamp 1flashes and the
Check trailer hitch lock displaymessa ge
appears on the multifunction displa y.
Obser vethe information on the displa ysinthe
instrument clus ter:
R Warning and indicator lamps (→ page 438)
R Display messages (→ page 381) Coupling up/uncoupling a trailer
&
WARNING Risk of inju ryfrom theve hicle
le ve l being changed
Ve hicles with le vel control sy stem: the
ve hicle le vel may be changed unin tentional ly,
e.g. by ot her persons. You may become trap‐
ped if you couple up or uncouple a trailer
while theve hicle le vel is changing. In addi‐
tion, other people could become trapped if
th eir limbs are between theve hicle body and
th e tyres or underneath theve hicle.
When coupling up or uncoupling a trailer,
make sure that: #
The doors or tailgate are not opened or
closed. #
Do not initiate the le vel control sy stem
and do not operate theDY NA MIC
SELECT switch. #
The vehicle is not loc ked or unloc ked. 246
Driving and pa rking
Page 250 of 497

Re
quirements:
R the ball neck must be extended fully electri‐
cal lyand engaged in the securely loc ked
position.
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 operation of thefo llowing sy stems depends
on the trailer being connected cor rectly:
R Active Lane Keeping Assist
R ESP ®
R Parking Assist PARKTRONIC
R Active Parking Assist
R Blind Spot Assist or Active Blind Spot Assi stCoupling up a trailer
* NO
TEDama getothe battery due tofull
discharge Charging
the trailer battery using the po wer
supply of the trailer can damage the batter y. #
Do not use the po wer supp lyto charge
th e trailer batter y. #
Remo vethe co ver from the ball head and
st ore it in a safe place (→ page107). #
Position the trailer on a le vel sur face behind
th eve hicle and couple it up totheve hicle. #
Open the soc ket co ver. #
Insert the plug connector with lug 1into
groo ve3 onthe soc ket. #
Turn bayonet coupling 2clockwise as far as
it will go. #
Let the co ver engage. #
Secure the cable tothe trailer with cable ties
(if you are using an adap ter cable). #
Make sure that cable is alw ays slack for ease
of mo vement during cornering. #
Push the combination switch upwards and
down wards and check whe ther the cor re‐
sponding turn signal light on the trailer is
fl ashing.
A display message may appear on the multifunc‐
tion display even if the trailer has been connec‐
te d cor rectly:
R LEDs ha vebeen ins talled on 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) Driving and pa
rking 247
Page 254 of 497

Instrument display
overview
Mercedes-AMG vehicles: be sure toobser ve
th e no tes in the Supplement. Otherwise, you
may failto recognise dangers. &
WARNING Risk of accident due toan
instrument display malfunction
If th e instrument display has failed or mal‐
functioned, you may not recognise function
re strictions applying tosaf etyre leva nt sys‐
te ms.
The operating saf ety of your vehicle may be
impaired. #
Drive on carefull y. #
Have theve hicle checked immediately
at a qualified specialist workshop. If
th e operating saf ety of your vehicle is
impaired, park theve hicle safely as soon as pos‐
sible. Contact a qualified specialist workshop. Instrument display (standard)
1
Speedome ter
2 Multifunction display
3 Rev counter
4 Coolant temp erature display
5 Fuel le vel and fuel filler flap location indica‐
tor Instrument display in
the widescreen cockpit 1
Speedome ter
2 Multifunction display
3 Example: area for additional values
4 Coolant temp erature display
5 Fuel le vel and fuel filler flap location indica‐
tor
% Further display content can be shown in dis‐
play 3for additional values (→ page 254).
The segments in speedom eter 1 indicate the
sy stem status forth efo llowing:
R Cruise control (→ page 201) Instrument Display and on-board computer
251
Page 255 of 497

R
Limiter (→ page 202)
R Active Dis tance Assi stDISTRONIC
(→ page 205)
* NO
TEEngine dama gedue toexc essively
high engine speeds The engine will be damaged if
you drive with
th e engine in theov errevving range. #
Do not drive wi th the engine in theove r‐
re vving range. The fuel supply is inter
rupted toprotect the
engine when there d band in rev counter 3
(o ve rrev ving range) is reached.
During no rmal operating conditions, coolant
te mp erature display 4may rise to120 °C. &
WARNING Danger of bu rns when open‐
ing the bonn et
If yo u open the engine bonn etwhen the
engine has overheated or during a fire inthe
engine compartment, you could come into
contact with hot gases or other escaping
operating fluids. #
Before opening the bonn et, allow the
engine tocool down. #
Intheeve nt of a fire inthe engine com‐
partment, keep the engine bonn et
closed and call thefire service. Ve
hicles with a 48 V on-board electrical sys‐
te m (EQ Boo sttech nology): R
E-POWER 1shows th e electrical drive sup‐
port as a percentage.
R CHARGE 2showsthe electric mo tor's recu‐
peration per form ance as a percen tage. õ
showsthe drive sy stem's operational read‐
iness . Overview of
the but tons on thest eering
wheel 1
Button group:
¤ Main menu and ba ckbutton (on-board
computer)
8 Switches sound off/on
W Increases thevo lume
X Decreases thevo lume
2 Touch Control (on-board co mputer)
3 Touch Control (multimedia sy stem) 252
Instrument Display and on-board computer
Page 256 of 497

4
Button group:
¤ Main menu and ba ckbutton (multime‐
dia sy stem)
£ LINGU ATRO NIC or voice control sys‐
tem
6 Makes/accepts a call
~ Rejects/ends a call Ope
rating the on-board co mputer &
WARNING Risk of di stra ction from infor‐
mation sy stems and communications
equipment
If yo u operate information and communica‐
tion equipment integ rated in theve hicle
when driving, you will be distracted from the
traf fic situation. This could also cause youto
lose control of theve hicle. #
Only operate this equipment when the
traf fic situation permits. #
Ifyo u cannot be sure of this, stop the
ve hicle whilst paying attention toroad and traf
fic conditions and ope rate the
equipment with theve hicle stationar y. Yo
u must obse rveth e legal requirements forthe
country in whi chyou are cur rently driving when
operating the on-board computer.
% The on-board computer displa ysappear on
th e multifunction display (→ page 255). The on-board computer can be operated using
To uch Control 2and back but ton1 onthe
left-hand side of thesteering wheel. Dif
fere nt acoustic signals pr ovide feedback
when operating the on-board computer, e.g:
R reaching the end of a list
R scrolling thro ugh a list
The following menus are available:
R Service
R Assistance
R Trip
R Navigation
R Radio
R Media
R Telephone
R HUD
R Vehicles with an instrument display in
th e widescreen cockpit: Design
The menus can be called up from the menu bar
on the multifunction displa y. Instrument Display and on-board computer
253
Page 257 of 497

#
Tocall up the menu bar: pressthe back
button on the left 1. #
Toscroll in the menu bar: swipetothe left
or right on the left-hand Touch Control 2. #
Tocall up the menu or confirm the selec‐
tion: press the left-hand Touch Control 2. #
Toscroll through displa ysor lists on the
menu: swipe upwards or down wards on the
left-hand Touch Control2. #
Tocall up a submenu or confirm the
selection: pressthe left-hand Touch Control
2. #
Toexit a submenu: pressthe back button
on the left 1.
If yo u are br owsing a submenu and you press
and hold the back button on the left 1,the
menu bar appears. Setting
the additional value range Example: G-Me
ter
1 Additional value range
2 Index points #
Toselect display content: swipetothe
ri ght on the left-hand Touch Control. #
Swipe upwards or down wards on the left-
hand Touch Control toselect display content.
When display content is selected, the addi‐
tional value range 1is brie fly highligh ted.
The index points 2display the selected list
item.
The following display con tent can be selected in
th eClassic andSport designs:
R Rev counter
R Navigation
R ECO display
R Consu mption
R G-M eter
The following con tent can be selected in thePro-
gressive design:
R Date
R Navigation
R ECO display
R Consu mption
R G-M eter 254
Instrument Display and on-board computer
Page 258 of 497

Overview of displa
yson the multifunction
display 1
Outside temp erature
2 Drive prog ram
3 Transmission position
4 Time
5 Display section
% Ve
hicles with the Instrument Display in
th eWi descreen Co ckpit: the position of
th e displa ysdeviates from those displa yed
here. Fu
rther displa yson the multifunction display:
Z Gearshift
recommendation (→ page 174)
ë Active Parking Assist activated
(→ page 228)
é Parking Assist PARKTRONIC deacti vated
( → page 218)
¯ Cruise control (→
page 201)
È Limi
ter (→ page 202)
ç Active Dis tance Assi stDISTRONIC
(→ page 205)
è Active Steering Assist (→ page210)
è ECO
start/ stop function (→ page166)
ë HOLD fu
nction (→ page 212)
_ Ad
aptive Highbeam Assist (→ page132)
Ad aptive Highbeam Assist Plus
(→ page 134)
ð Ma
ximum pe rmissible speed exceeded
(for cer tain countries only) Ad
justing the in stru ment lighting #
Turn brightness control 1up or down.
The lighting of the instrument display and in
th e control elements in theve hicle interior is
adjus ted. Instrument Display and on-board computer
255
Page 259 of 497

Menus and submenus
Fu
nctions on the Service menu of the on-
board compu terOn-board computer:
, Service #
Toselect the function: swipe upwards or
down wards on the left-hand touch cont rol. #
Press the left-hand touch cont rol.
Fu nctions on theService menu:
R Message memory (→ page 381)
R AdBlue: Adblue ®
ra nge
R Tyres:
- Restarting the tyre pressure loss warning
sy stem (→ page 352)
- Checking tyre pressure with the tyre
pressure monitoring sy stem
(→ page 348)
- Restarting the tyre pressure monitoring
sy stem(→ page 348)
R ASSYST PLUS: Calling up the service due
date (→ page 306) R
Engine oil le vel Calling up
the assistant display On-board computer:
, Assistance
% Ve
hicles with the instrument display in
th e widescreen cockpit: whenyou ha ve
th e design set toProgressive ,yo u can view
th e assis tant displ ayinthe left-hand portion
of the instrument displa y.
The following displa ysare available from the
assis tant displ aymenu:
R Assis tant displ ay
R Attention le vel (→ page 237) #
Toswitch between the displa ys:swipe
upwards or down wards on the left-hand
to uch cont rol. St
atus displa yson the assis tant displ ay:
R é :AT TENTION ASSIST deactivated
R æ: Active Brake Assi stdeactivated
R Light lane markings: Active Lane Keeping
Assist activated
R Green lane markings: Active Lane Keeping
Assist active 256
Instrument Display and on-board computer