
Engine
Warning/indicator lamp
Possible causes/consequences and MSolutions
;
Engine diagnosiswarning
lamp The
yellow engine diagnosis warning lamp is lit while the engine is running.
A malfunction has occurr ed inthe engine, theex haust sy stem or the fuel sy stem.
The emissions limit values may be exceeded and the engine may be running in emergency operation mode.
In some states, legal requ irements stipulate that you must immediately consult a qualified specialist workshop as soon
as theye llow engine diagnosis warning lamp lights up.
#Ha ve theve hicle checked as soon as possible at a qualified specialist workshop.
#
Electrical malfunction warn‐
ing lamp The
red electri cal malfunction warning lamp is lit.
There is a malfunction in the electrics.#Obser vethe messages in the multifunction displa y.
8
Fuelreser vewarning lamp The
yellow fuel reser ve wa rning lamp lights up while driving.
There has been pressure loss in the fuel sy stem. The fuel filler cap is not closed cor rectly or the fuel sy stem is leaking.#Close the fuel filler cap.
#If th e fuel filler cap was already proper lyclosed: consult a qualified specialist workshop.
Display messages and warning/indicator lamps 51
3

Warning/indicator lamp
Possible causes/consequences and MSolutions
?
Coolantwarning lamp The
red coolant warning lamp is lit while the engine is running.
Po ssible causes are:RThe temp erature sensor is malfunctioning
RCoolant le velto o low
RThe air supply tothera diator is obstructed
RThe radiator fan is de fective
If th ere is an additional warning tone, the coolant temp erature has exceeded the maximum permissible temp erature.
&
WARNING Danger of burn s when opening the hood
If yo u open the hood when 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 hood, allow the engine tocool down.
#Intheeve nt of a fire inthe engine compartment, keep the hood closed and call thefire service.
#Stop theve hicle immediately, paying attention toroad and traf fic conditions, and switch off the engine. Do not con‐
tinue driving under any circums tances.
#Obser vethe messages in the multifunction displa y.
If th e coolant temp erature display is at the lo wer end of thete mp erature scale:
#Consult a qualified specialist workshop.
Display messages and warning/indicator lamps 51
5

Warning/indicator lamp
Possible causes/consequences and MSolutions
Otherwise:
#Lea vetheve hicle and keep a safe dis tance from theve hicle until the engine has cooled down.
#Check the coolant le vel .
#Make sure that the air supply tothera diator is not obstructed.
#Av oiding high loads on the engine, drive on tothe nearest qualified specialist workshop. In doing so, ensure that the
coolant temp erature display remains below there d area.
51 6
Displ aymessage s andwarning/indicator lamps

Tire s
Wa rning/indicator lamp
Possible causes/consequences and MSolutions
h
Tire pressure monitoring
sy stem warning lamp lights
up The
yellow tire pressure monitoring sy stem warning lamp (pressure loss/malfunction) is lit.
The tire pressure monitoring sy stem has de tected tire pressure loss in at least one of the tires.&
WARNING Risk of an accident due toinsuf ficient tire pressure
Ti re pressures that are too low pose thefo llowing hazards:
RThe tires may bur st, especially as the load and vehicle speed increase.
RThe tires may wearexc essively and/or une venly, which may greatly impair tire traction.
RThe driving characteristics, as well as steering and braking, may be greatly impaired.
Yo u could then lose control of theve hicle.
#Obser vethere commended tire pressure.
#Ad just the tire pressure if necessar y.
#Stop theve hicle, paying attention toroad and traf fic conditions.
#Check the tire pressure and the tires.
Display messages and warning/indicator lamps 51
7

1,2, 3 ...
12 V sock et
see Soc ket (12 V)
11 5 V soc ket
see Soc ket (1 15 V)
360° camera ............................................ 224
Assigning as a favo rite ........................ 226
Ca re .................................................... 389
Fu nction .............................................. 224
Selecting a view .................................. 226
A
A/C function Activating/deactivating (multimedia
sy stem) ................................................ 158
Switching on/off (control panel) ......... 158
ABS (Anti-lock Braking Sy stem) ............ .189
Ac celeration
see Kickdown
Ac cess data
Editing ................................................ .333
Setting ................................................. 331 Ac
oustic locking verification signal
Ac tivating/deactivating ......................... 59
Ac tive Blind Spot Assi st......................... 238
Ac tivating/deactivating .......................2 40
Brake application ................................. 239
Fu nction .............................................. 238
Sy stem limitations .............................. .238
To wing a trailer .................................... 239
Ac tive Brake Assi st
Fu nction/no tes ................................... 192
Setting ................................................. 196
Ac tive Di stance Assist DI STRONIC........ 199
Ac tive Emergency Stop Assist .............2 07
Ac tive Lane Change Assi st.................. 206
Calling up a speed ............................... 200
Displa ysinthe Instrument Display ...... 208
Fu nction .............................................. 199
Increasing/decreasing speed ..............2 00
Re quirements ...................................... 200
Ro ute-based speed adjustment ...........203
St eering wheel buttons ............... .....
... 200
St oring a speed ................................... 200
Switching off/deactivating .................. 200
Switching on/activating ......................2 00
Sy stem limitations .............................. .199 Ac
tive Eme rgency Stop Assist ...............207
Ac tive hood (pedestrian pr otection) ......378
Me thod of operation ............................3 78
Re setting ............................................. 378
Ac tive Lane Change Assi st
Fu nction .............................................. 206
Switching on/off ................................. 207
Ac tive Lane Keeping Assist .................... 240
Fu nction .............................................. 240
Sensitivity (function/no tes) ................. 243
Setting the sensitivity .......................... 243
Switching on/off ................................. 242
Sy stem limitations .............................. .240
To wing a trailer .................................... 240
Ac tive Parking Assist .............................. 226
Cross Traf fic Alert ................................ 231
Drive AwayAssist ................................ 230
Exiting a pa rking space ...................... .229
Fu nction .............................................. 226
Pa rking ................................................ 228
Sy stem limitations .............................. .226
Ac tive Speed Limit Assi st.............. 202, 235
Di
splay ................................................ 202
Fu nction .............................................. 202
Index 51
9

Setting ................................................. 235
Ac tive Steering Assist ............................ .204
Ac tivating/deactivating .......................2 06
Ac tive Emergency Stop Assist .............2 07
Ac tive Lane Change Assi st.................. 206
Displa ysinthe Instrument Display ...... 208
Fu nction .............................................. 204
Sy stem limitations .............................. .204
Ad aptive cruise control
see Active Dis tance Assist DISTRONIC
Ad aptive Highbeam Assist
Fu nction .............................................. 146
Switching on/off ................................. 147
Ad ditive s.................................................. 449
Engine oil ............................................ 449
Fu el ..................................................... 449
Ad ditive s (engine oil)
see Additives
Ad ditive s (fuel)
see Fuel
Ad dress book
see Contacts Ad
justing the balance/ fader
Burmes ter®high-end 3D sur round
sound sy stem ...................................... 360
Burmes ter
®sur round sound sy stem ... 359
Ad justing the bass, mid- range and
treble
Burmes ter
®high-end 3D sur round
sound sy stem ...................................... 359
Ad justing the mid- range, treble and
bass
Burmes ter
®high-end 3D sur round
sound sy stem ...................................... 359
Ad justing the sound focus
Burmes ter
®sur round sound sy stem ... 359
Ad justing the s
ound optimization
Burmes ter®high-end 3D sur round
sound sy stem ...................................... 360
Ad justing treble, mid- range and bass
settings
Burmes ter
®high-end 3D sur round
sound sy stem ...................................... 359
ADS PLUS damping sy stem
see AIR BODY CONTROL Af
ter-sales service center
see ASS YST PLUS
Air bag ........................................................ 38
Ac tivation .............................................. 32
Belt air bag ............................................ 36
Cushionbag ........................................... 38
Fr ont air bag (driver, front passenger) ... 38
Ins tallation locations ............................ .38
Knee air bag .......................................... 38
Overview ............................................... 38
Pr otection ............................................. .39
Re duced pr otection .............................. .40
Side air bag ........................................... 38
Wi ndow air bag ...................................... 38
AIR BODY CONT ROL................................ .211
Setting ................................................. 213
Suspension .......................................... 211
Air dis tribution
Setting (multimedia sy stem) ............... .159
Air freshener sy stem
see Frag rance sy stem
Air pressure see Tire pressure
520
Index

Audio mode
Ac tivating media mode ........................ 339
Connecting USB devices ...................... 341
Co pyright ............................................. 339
Information .......................................... 337
Inserting/ removing an SD card ...........3 39
Media searc h ....................................... 344
Overview ............................................. 340
Pa use and playback function .............. .341
Selecting a track .................................. 341
Selecting pl ayback options .................. 341
Tr ack list .............................................. 341
Au thorized Mercedes-Benz Center
see Qualified specialist workshop
Au thorized workshop
see Qualified specialist workshop
Au tomatic activation
Ac tivating/deactivating .......................2 37
Au tomatic distance control
see Active Dis tance Assist DISTRONIC
Au tomatic driving lights .........................144
Au tomatic engine start (ECO start/
sto p function) ........................................... 171 Au
tomatic engine stop (ECO start/
sto p function) ........................................... 171
Au tomatic front-passenger front air
bag deacti vation sy stem .................... .41, 43
Fu nction of the automatic front
passenger air bag shutoff ..................... .41
PA SSENGER AIR BAG indicator lam p .
...
.43
Au tomatic lateral support adjustment
Setting .................................................1 05
Au tomatic mir rorfo lding function
Swit ching on/off ................................ .154
Au tomatic transmission
DIRECT SELECT le ver ........................... 173
Drive program display .......................... 173
Drive programs .................................... 172
DY NA MIC SELECT switch ..................... 172
Engaging drive position ........................ 175
Engaging reve rsege ar ........................ .175
Kickdown ............................................. 177
Manual gear shifting ............................ 176
Selecting pa rkposition ........................ 175
Shifting toneutral ................................ 175
St eering wheel gearshift paddles ........ .176
Tr ansmission position display .............. 173 Tr
ansmission positions ........................ 173
B
Bag hook ................................................... 124
BA S (Brake Assist Sy stem) .................... .189
Battery SmartK ey............................................... 60
Battery (vehicle) Charging .............................................. 401
Jump -star ting ....................................... 401
No tes .................................................. 399
Belt see Seat belts
Belt air bag Activation .............................................. 32
Fu nction/no tes .....................................3 6
Blind Spot Assist ..................................... 238
Ac tivating/deactivating .......................2 40
Fu nction .............................................. 238
Sy stem limitations .............................. .238
Blu-r aydrive (Rear Seat En tertain‐
ment Sy stem)
Overview ............................................ .366
522
Index

C
California Impor tant information for private
cus tomers and lessees ..........................2 2
Call list Making a call ...................................... .322
Options in the call list .......................... 323
Overview ............................................. 322
Calling up the sound menu
Burmes ter
®high-end 3D sur round
sound sy stem ...................................... 359
Burmes ter
®sur round sound sy stem ... 358
Calls ......................................................... .319
Ac cepting ............................................. 319
Ac tivating functions du ring a call ......... 319
Calls wit h several participants ............ .319
Declining .............................................. 319
Ending a call ........................................ 319
Incoming call during an existing call .... 320
Making ................................................ .319
Camera see 360° camera
see Rear view camera Car
wash
see Care
Car wash (care) ....................................... 385
Care ..........................................................3 90
Car wash ............................................. 385
Carpet .................................................3 90
Display ................................................ 390
EAS Y-PA CK tr unk box ................ ..........
3
90
Ex terior lighting ................................... 389
Genuine wood/trim elements .............3 90
Headliner ............................................. 390
Matt finish ........................................... 387
Night View Assist ................................ 388
Pa int .................................................... 387
Plastic trim .......................................... 390
Po we rwa sher ...................................... 385
Re ar view camera/360° Camera ........ 389
Seat belts ............................................ 390
Seat co ver ........................................... 390
Sensors ............................................... 389
Ta ilpipes .............................................. 389
Wa shing byhand ................................. 386
Wheels/rims ....................................... 389
Wi ndo ws .............................................. 389
Wi per blades .......................................3 89Carpet (Care)
...........................................3 90
Champagne glass ....................................1 29
Change of address ..................................... 21
Change of ownership ................................ 21
Changing a wheel Lowe ring theve hicle ............................4 41
Mounting a new wheel ........................ 440
Preparation ........................ .................. 437
R
a ising theve hicle .............................. 438
Re moving a wheel ...............................4 40
Re moving/mounting hub caps ............ 437
Changing hub caps .................................. 437
Channel list Calling up ............................................ 352
Character entry Function/no tes ................................... 275
On theto uchpad .................................. 276
Using the controller ............................. 276
Cha rging
Batte ry(vehicle) .................................. 401
Mobile phone (wireless) ...................... .139
USB port .............................................. 136
524
Index