
#Therefore,check regularly that there
are no flammable materials in the
engine compartment or on theex haust
sy stem.
Re quirements:RThe SmartK eyis located in theve hicle and
th e SmartK eybattery is not dischar ged.
#To switch on the po wer supp ly:press but‐
to n1 (USA) or 2(Canada) once.
Yo u can activate the windshield wipers, for
ex ample.
The po wer supp lyis switched off again if thefo l‐
lowing conditions are me t:
RYou open the driver's door.
RYo upr ess butto n1 (USA) or 2(Canada)
twice.
#To switch on the ignition: press button 1
(USA) or 2(Canada) twice.
The indicator lamps in the instrument clus ter
light up.
The ignition is switched off again if one of the
fo llowing conditions is me t:
RYou do not start theve hicle within
15 minutes.
The transmission is in position j.
or
The electric parking brake is applied.
RYo upr ess butto n1 (USA) or 2(Canada)
once.
St arting theve hicle
Starting theve hicle with thest art/s top but‐
to n
Requ irements:
RThe SmartK eyis located in theve hicle and
th e SmartK eybattery is not dischar ged.
#Shift the transmission toposition jori.
#Depress the brake pedal and press button
1 (USA) or 2(Canada) once.
#Ifth eve hicle does not star t:switch off non-
essential consumers and press button 1
(USA) or 2(Canada) once.
#Ifth eve hicle still does not start and the
Place the Key in the Marked Space See
Operator's Manual display message also
appears in the multifunction display: start
th eve hicle in emer gency operation mode.
Yo u can switchoff the engine while driving by
pressing button 1(USA) or 2(Canada) for
about thre e seconds. Be sure toobser vethe
saf etyno tes under "Driving tips".
Driving and parking 12
9

Whenthe automatic transmission is in transmis‐
sion position h, it shiftsthege ars automati‐
call y.This depends on thefo llowing factors:
RThe selected drive program
RThe position of the accelera tor pedal
RThe road speed
Manual gearshifting
&
WARNING Risk of skidding and of an
accident due toshifting down on slippery
ro ad sur faces
If yo u shift downonslipp eryroad sur faces to
inc rease the engine braking ef fect, the drive
wheels may lose traction.
#Do not shift down on slippery road sur‐
fa ces toinc rease the engine braking
ef fect.
#To activate: pullsteering wheel paddle
shif ter1 or2.
Manual gearshifting is activated for a short
time. The cur rent gear is displa yed in the
multifunction displa y.
% How long the manual gearshifting stay s acti‐
va ted depends on the driving style.
#To shift up: pullsteering wheel paddle
shif ter2.
#To shift down: pullsteering wheel paddle
shif ter1.
#To deactivate: pullsteering wheel paddle
shif ter2 and hold it in place.
The transmission position happears in the
multifunction displa y.
% Ifyo u select theManual drive setting in
drive prog ram =, manual gearshifting is
permanent lyactivated.
Mercedes -AMG vehicles: observeth e no tes in
th e Supplement. Otherwise, you may failto rec‐
ognize dangers.
Gearshift recommendation
Mercedes -AMG vehicles: observeth e no tes in
th e Supplement. Otherwise, you may not recog‐
nize dangers.
The gearshift recommendation assists you in
adopting an economical driving style.
Driving and parking 13
9

The HOLD function is deactivated inthefo llow‐
ing situations:
RAc tive Dis tance Assist DISTRONIC is acti va‐
te d.
RThe transmission is switched toposition j.
RThevehicle is secured with the electric park‐
ing brake.
In thefo llowing situations, theve hicle is held by
th e transmission position jorby the electric
parking brake:
RThe seat belt is unfas tened and the driver's
door is opened.
RThe engine is switched off.
RThere is a malfunction in the sy stem or the
po we r supply is insuf ficient.
AIR BODY CONT ROL
AIR BODY CONT ROL function
AIR BODY CONTROL is an air suspension sy stem
with variable damping for impr oved driving com‐
fo rt. The all-round le vel control sy stem ensures
th e best possible suspension and const ant
ground clearance, even wi tha laden vehicle.
When driving at speed, theve hicle is lo wered
automatically toimpr ovedriving saf etyand to re
duce fuel consum ption. The option of manually
adjusting theve hicle le vel is also available.
AIR BODY CONTROL comprises:
RAir suspension with automatic all-round le vel
control
RSpeed-dependent lo wering toreduce fuel
consum ption
RManually selecta ble high-level setting for
greater ground clearance
RADS PLUS (Adaptive Damping Sy stem with
const ant damping forc e adjustment)
RDY NA MIC SELECT switch and le vel button
Driving and parking 17
5

Settingthe time and da teform at
Multimedia sy stem:
,System.& Time and Date.Set
Format
#Set the date and time form at#.
Setting the time manually
Re quirement
RThe Manual Time Adjustment function is
switched on.
Multimedia sy stem:
,System.& Time and Date.Set
Time
#Set the hours.
#Na vigate totheright toset the minutes.
#Set the minutes.
#Confirm changes when exiting the menu.
The date is set automatically via GPS.
Connectivity
Switching transmission of theve hicle posi‐
tion on/off
Multimedia sy stem:
,System.ö Connectivity
#Select Transmit Vehicle Position .
#Switchthe function on Oor off ª.
Bluetooth®
Information about Blu etoo th®
Blue toot h®tech nology is a standard for short-
ra nge wi reless data transfer up toappr oximately
32.8 ft(10 m). You can use Blue tooth
®tocon‐
nect your mobile phone tothe multimedia sys‐
te m and use thefo llowing functions, forex am‐
ple:
Rhands-free sy stem with access tothefo llow‐
ing options:
-con tacts (→page 281)
-call lists (→page 284)
-text message s
RInternet connection
Rlistening tomusic via Blue tooth®audio
(→page 309)
Rtrans ferring business cards (vCards) into the
ve hicle
Blue tooth
®is a regis tere d trademark of Blue‐
toot h Special Interest Group (SIG) Inc.
% Internet connection via Blue tooth
®is not
av ailable in all countries.
Ac tivating/deactivating Blue tooth
®
Re quirementRApple CarPlay™ is not active.
Multimedia sy stem:
,System.ö Connectivity
#Activate Oor deacti vate ª Bluetoo th®.
If Android Autois active, a prom ptappears ask‐
ing whe ther Blue tooth
®should be deactivated.
#Select Yes.
Android Autois closed and Blue tooth®is
deactivated.
24 0
Multimedia sy stem

Setting upthefo lding chock
Prepa ring theve hicle for a wheel change
Re quirementsRThe requ ired tire-change tool kit is available.
If yo ur vehicle is not equipped with the tire-
ch ange tool kit, consult a qualified specialist
wo rkshop tofind out about suitable tools.
RThe vehicle is not on a slope.
RThe vehicle is on solid, non-slippery and le vel
ground .
#Applythe electric parking brake manually.
#Mo vethe front wheels tothest ra ight-ahead
position.
#Ve hicles with automatic transmission:
shift into position j.
#Vehicles with AIR BODY CONT ROL:set the
normal vehicle le vel (→page 176).
#Switch off the engine.
#Make sure that the engine cannot bestar ted.
#Place choc ks orother suitable items under
th e front and rear of the wheel that is diago‐
nally opposite the wheel youwish tochange.
#Re mo vethe hub caps if necessary
(→page 385).
#Ra ising theve hicle (→page 386).
Re moving and in stalling hub caps
Re quirements:RThe vehicle is prepared for a wheel change
(→page 385).
Plast ic hub cap
#Toremo ve:turn the center co ver of the hub
cap counter-clockwise and remo vethe hub
cap.
#To install: make sure that the center co ver of
th e hub cap is turned counter-clockwise.
#Po sition the hub cap and turn the center
co ver clockwise until the hub cap engages
ph ysically and audibly.
Wheels and tires 385

Displaymessages
Possible causes/consequences and MSolutions
Stop Vehicle Leave Engine
Running Wait Transmission
Cooling *T
he transmission has overheated. Pulling away can be temp orarily impaired or not possible.
#Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. Do not
continue driving under any circums tances.
#Lea veengine running.
#Wa it until the display message disappears before pulling away.
Auxiliary Battery Malfunc-
tion *T
he auxiliary batteryforth e transmission is no longer being charge d.
#Visit a qualified specialist workshop.
#Un tilthen, alw ays manually set the transmission toposition jbefore youswit choff the engine.
#Before leaving theve hicle, apply the electric parking brake.
Air Conditioning Malfunc-
tion See Operator's Manual *O
peration of the climate control sy stem is temp orarily restricted. Air flow and fresh air supply are set toautomatic
mode.
#Ha ve the climate control sy stem checked at a qualified specialist workshop.
Display messages and warning/indicator lamps 437

Special servicerequirements .............. 323
ATA (anti-theft alarm system) .................. 82
Deactivating the alarm .......................... 83
Fu nction ................................................ 82
AT TENTION ASSIST ..........................191, 193
Fu nction ............................................... 191
Setting ................................................. 193
Sy stem limitations .............................. .191
At tention assistant
see ATTENTION ASSIST
Au dio mode
Ac tivating media mode ........................ 301
Connecting USB devices ..................... 304
Co pyright ............................................. 301
Information .......................................... 300
Inserting/ removing an SD card ...........3 01
Media sear ch....................................... 307
Overview ............................................. 303
Pa use and playback function .............. .304
Selecting a track ................................. 304
Selecting playba ckoptions .................. 304
Tr ack list .............................................. 304
Au thorized workshop
see Qualified specialist workshop Au
tomatic activation
Ac tivating/deactivating .......................1 97
Au tomatic distance control
see Active Dis tance Assist DISTRONIC
Au tomatic driving lights ..........................110
Au tomatic engine start (ECO start/
sto p function) .......................................... 134
Au tomatic front passen ger airbag
shu toff ........................................................ 43
Fu nction of the automatic front
passenger airbag shutoff ..
..................... 43
Au tomatic front passen ger front air
bag shu toff ................................................ 43
Au tomatic front passen ger front air‐
bag shu toff ................................................ 45
PA SSENGER AIR BAG indicator lamp .... .45
Au tomatic lateral support adjustment
Setting ................................................... 89
Au tomatic mir rorfo lding function
Ac tivating/deactivating .......................1 20
Au tomatic transmission
DIRECT SELECT le ver ........................... 137
Drive program display .......................... 136 Drive programs ....................................
136
DY NA MIC SELECT switch .................... 136
Engaging drive position ....................... 138
Engaging reve rsege ar ........................ .138
Kickdown ............................................. 140
Manual gearshifting ............................ .139
Selecting park position ........................ 138
Shifting toneutral ................................ 138
St eering wheel paddle shif ters ............ 139
Tr ansmission position display .............. 137
Tr ansmission positions ........................ 137B
BA S (Brake Assist Sy stem) .................... .152
Battery SmartK ey............................................... 59
Battery (vehicle) Charging .............................................. 349
Jump -star ting ...................................... 349
No tes ................................................... 347
Tr ickle charge r ..................................... 149
Belt see Seat belts
Index 467

Active Parking Assist and
PA RKTRONI CInoperati veSee Opera ‐
to r's Manual ........................................ 423
Ac tive Steering Assist Cur rently
Un available See Operator's Manual .....4 24
Ac tive Steering Assist Inoperative .......4 25
Ad aptive Highbeam Assist Camera
Vi ew Restricted See Ope rator's Man‐
ual ....................................................... 447
Ad aptive Highbeam Assist Cur rently
Un available See Operator's Manual ....446
Ad aptive Highbeam Assist Inopera‐
tive ...................................................... 446
App lyBrake toShift from 'P' ............... 435
ÀAT TENTION ASSIST Inoperative ...419
ÀAT TENTION ASSIS T:Take a
Break! .................................................. 419
bAu toLamp Function Inoperati ve
............................................................. 445
Au xilia ryBattery Malfunction .............. 437 Blind Spot Assist
Currently Una vaila‐
ble See Opera tor's Manual .................. 422
Blind Spot Assist Inoperative ............... 422
$ Check Brake Fluid Le vel.............. 413
Check Coolant Le vel See Operator's
Manual ................................................ 426
4Check Engine Oil AtNext Refu‐
eling .................................................... 428
hChe ckTire s ................................. 430
¥Check Washer Fluid .................... 44
2
K Convertible Top Lo wering ........... 443
K Convertible Top Operat
ion Pos‐
sible to37 mph................................... 443
?Coolant Too Hot Stop Vehicle
Tu rn Engine Off .................................... 426
Cruise Control Canceled ..................... 425
Cruise Control Inoperati ve.................. 425
!Cur rently Una vailable See Oper‐
ator's Manual ...................................... 405 ÷Cur
rently Una vailable See Oper‐
ator's Manual ...................................... 407
K Decrease Speed ........................ .442
ÂDon't Forget Your Key................ .434
Driver's Door Open & Transmission
No t in P Risk of Vehicle Rolling Away .. 435
bExample: Check Left Low Beam ............................................................. 444
_Example: Front Left Seat Back‐
re st Not Loc ked .................................. 441
Fr ont Passenger Airbag Disabled See
Operator's Manual ...............................4 18
Fr ont Passenger Airbag Enabled See
Operator's Manual ...............................4 17
8Fu el Level Low ............................ 429
8Gas Cap Loose ............................ 428
!Inoperative See Opera tor's
Manual ................................................4 04
÷Inopera tive See Operator's
Manual ...................... .......................... 406
Index47
3