Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
? Coolant warning lamp The
red coolant warning lamp is lit while the engine is running.
Po ssible causes:
R The temp erature sensor is malfunctioning
R Coolant le velto o low
R The air supply tothera diator is obstructed
R The radiator fan is faulty
If th ere is an additional warning tone, the coolant temp erature has exceeded 120 °C. &
WARNING Danger of bu rns when opening 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 wi thhot gases or other escaping operating fluids. #
Before opening the bonn et, allow the engine tocool down. #
Intheeve nt of a fire inthe engine compartment, keep the engine bonn etclosed 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. 452
Display messages and warning/indicator lamps
Wa
rning/indicator lamp
Possible causes/consequences and M
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. #
Avoiding high loads on the engine, drive on tothe nearest qualified specialist workshop. In doing so, ensure that the
coolant temp erature display remains below 120 °C. Displ
aymessa ges and warning/indicator lamps 453
Ty
res Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
h Ty re pressure monitoring
sy stem warning lamp lights
up The
yellow tyre pressure monitoring sy stem warning lamp (pressure loss/malfunction) is lit.
The tyre pressure monitoring sy stem has de tected tyre pressure loss in at least one of the tyres. &
WARNING Risk of an accident due toinsuf ficient tyre pressure
Ty res with insuf ficient tyre pressure pose thefo llowing risks:
R The tyres may bur st, especially as the load and vehicle speed increase.
R The tyres may wearexc essively and/or une venly, which may greatly impair tyre traction.
R ‑ The driving characteristics, steering and braking may be greatly impaired.
Yo u could then lose control of theve hicle. #
Obser vethere commended tyre pressures. #
Adjust the tyre pressure if necessar y. #
Stop theve hicle, paying attention toroad and traf fic conditions. #
Check the tyre pressure and the tyres. 454
Display messages and warning/indicator lamps
Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
h Ty re pressure monitoring
sy stem warning lamp
fl ashes The
yellow tyre pressure monitoring sy stem warning lamp (pressure loss/malfunction) flashes for appro ximately one
minute and then remains lit.
The tyre pressu remonitoring sy stem is faulty. &
WARNING Thereis a risk of an accident if the tyre pressure monitoring sy stem is malfunctioning
If th e tyre pressure monitoring sy stem is malfunctioning, it is not able toissue a warning if there is pressure loss in
one or more of the tyres.
Ty res with insuf ficient tyre pressure ma y,forex ample, af fect theve hicle's handling characteristics, steering and
braking. ‑ #
Have the tyre pressure monitoring sy stem checked at a qualified specialist workshop. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 455
Au
tomatic front passen ger airbag
shu toff ........................................................ 41
Fu nction of the automatic front
passenger airbag shutoff ....................... 41
Au tomatic front passen ger front air‐
bag deacti vation sy stem .................... .41, 42
PA SSENGER AIR BAG indicator lamp .... .42
Au tomatic front passen ger front air‐
bag deacti vation sy stem
see Automatic front passenger front
airbag deactivation sy stem
Au tomatic mir rorfo lding function
Ac tivating/deactivating ...................... .145
Au tomatic transmission
DIRECT SELECT le ver ........................... 172
Drive program display .......................... 17 0
Drive programs .................................... 17 0
DY NA MIC SELECT switch .................... 17 0
Engaging drive position ........................ 173
Engaging reve rsege ar ........................ .173
Kickdown ............................................. 175
Manual gearshifting ............................ .174
Selecting pa rkposition ........................ 173
Shifting toneutral ................................ 173St
eering wheel gearshift paddles ........ .174
Tr ansmission position display .............. 172
Tr ansmission positions ........................ 172
Axle load Perm issible .......................................... 366
Tr ailer operation .................................. 380 B
Ball neck Extending/r etra cting ........................... 24 5
BA S (Brake Assist Sy stem) .................... .191
Battery Charging (Remo teOnline) .................... 16 3
Ke y ........................................................ 69
Re mo tecontrol (s tationary heater) ...... 15 6
Battery (vehicle) Charging .............................................. 332
Notes .................................................. 330
St arting assis tance .............................. 332
Belt see Seat belt
Belt airbag Activation .............................................. 32 Fu
nction/no tes .....................................36
Bic ycle rack
Tr ailer operation .................................. 24 8
Blind Spot Assi st..................................... 239
Ac tivating/deactivating ...................... .241
Fu nction .............................................. 239
Sy stem limitations ...............................2 39
Blo wer
see Climate control
BlueTEC see AdBlue ®
Blue tooth ®
Ac tivating/deactivating ...................... .275
Settings ............................................... 274
Blue tooth ®
Au dio
Ac tivating ............................................ 300
Ad justing thevo lume .......................... .300
Displ aying device de tails .................... .301
Information .......................................... 299
Overview ............................................. 299
Sear ching for and auth orisingthe
device .................................................. 299 Index
459
Boot box
see EAS Y-PA CK boot box
Boot lid Activating/deactivating the boot lid
opening limiter ....................................... 81
Closing .................................................. 77
HANDS-FREE ACCESS .......................... .79
Locking separa tely ................................. 81
Opening .................................................76
Opening dimensions ............................3 76
Brake Assi stSystem
see BAS (Brake Assi stSystem)
Brake fluid
No tes ................................................... 374
Brake forc e distribution
EBD (Elect ronic Brake forc e Distribu‐
tion) ..................................................... 19 6
Brakes ABS (Anti-lock Braking Sy stem) ........... 191
Ac tive Brake Assi st.............................. 19 6
Ad aptive brake lights .......................... .201
BA S (Brake Assi stSystem) ...................1 91
Driving tips .......................................... 16 4EBD (Electronic Brake
forc e Distribu‐
tion) ..................................................... 19 6
HOLD function .................................... .212
Limited braking ef fect (salt-trea ted
ro ads) .................................................. 16 4
New/replaced brake linings/brake
discs .................................................... 16 4
Ru nning-in no tes ..................................1 64
Braking assistance see BAS (Brake Assi stSystem)
Breakdown Assis tance overview .............................. 18
To w- starting ........................................ 340
To wing away ........................................ 336
Tr ansporting theve hicle ......................3 38
Wheel change ...................................... 357
Breakdown see Flat tyre
Breakdown assistance call see Service call
Breakdown management see Service call
Bu rm ester ®
sur round sound sy stem .....3 05
Ad justing the balance/fader ............... 305 Ad
justing the sound optimisation ........ 305
Ad justing treble, mid and bass ............ 305
Calling up the sound menu .................. 305
Information .......................................... 305
Switching the sur round sound on/off
............................................................ .305
Buttons Steering wheel .................................... 252 C
Call lists Calling up the speed dial list ............... 285
Deleting speed dial presets ................. 285
Displaying de tails from a list ent ry...... 285
Making a call ....................................... 285
Overview ............................................. 285
Setting up a speed dial li st.................. 285
Calling up the sound menu Burmes ter®
sur round sound sy stem ... 305
Calls ..........................................................2 82
Ac cepting ............................................ 282
Ac tivating functions du ring a call ........ 282
Calls wi thseveral participants ............ .282
Declining ............................................. 282 460
Index
Setting
for abroad ................................ 127
DIRECT SELECT le ver............................... 172
Engaging drive position ........................ 173
Engaging pa rkposition automatically .. 173
Engaging reve rsege ar ........................ .173
Fu nction ............................................... 172
Selecting pa rkposition ........................ 173
Shifting toneutral ................................ 173
Display Care .................................................... .319
Display (multimedia sy stem)
No tes ................................................... 264
Settings ............................................... 273
Switching off ....................................... 273
Display (on-boa rdcompu ter)
Displ ays in the multifunction display ... 255
Display content (Additional value range) ....................... 254
Displ aymessage ...................................... 381
Calling up (on-board compu ter) ........... 381
No tes ................................................... 381
Display messages ? ................................................... 41 5C
................................................... 433
M ................................................... 433
N ................................................... 434
# .................................................... 408
¯ .................................................... 405
Ac tive Blind Spot Assi stcur rently
una vailable See Owner's Manual .........403
Ac tive Blind Spot Assi stinope rative .... 403
Ac tive Blind Spot Assi stnot available
when towing a trailer See Owner's
Manual ................................................ 403
Ac tive bonnet malfunction See Own‐
er's Manual ......................................... 432
Ac tive Brake Assi stFunctions cur‐
re ntly limited See Owner's Manual ...... 393
Ac tive Brake Assi stFunctions limited
See Owner's Manual ........................... 394
Ac tive Dis tance Assi stavailable
again .................................................. .404 Ac
tive Dis tance Assi stcur rently
una vailable See Owner's Manual .........404
Ac tive Dis tance Assi stinope rative ...... 404
Ac tive Lane Keeping Assist Camera
view restricted See Owner's Manual ... 402
Ac tive Lane Keeping Assist cur rently
una vailable See Owner's Manual .........401
Ac tive Lane Keeping Assist inopera‐
tive ...................................................... 401
b Active Light Sy stem inopera‐
tive ...................................................... 435
Ac tive Parking Assist and
PA RKTRONIC inoperati veSee Own‐
er's Manual ......................................... 404
è Active Steering Assist cur rently
una vailable See Owner's Manual .........405
è Active Steering Assist inopera‐
tive ...................................................... 405
Ad aptive Highbeam Assist Camera
view restricted See Owner's Manual ... 438464
Index
h
Warning tyre defect ....................419
h Wheel sensor(s) missing ............ 420
Wi thout changing gear, consult work‐
shop ....................................................4 26
Display on the windscreen
see Head-up display
Distance control see Active Dis tance Assi stDISTRONIC
Di stance recorder
see Trip dis tance
DI STRO NIC
see Active Dis tance Assi stDISTRONIC
Door Additional door lock ...............................71
Locking (emergency key) ...................... .76
Opening (from the inside) ......................71
Un locking (emer gency key) .................... 76
Un locking (from the inside) .................... 71
Door cont rol panel .................................... .16
Drive Away Assist .................................... 236
Drive position Selecting .............................................. 173Drive prog
ram display ............................. 17 0
Drive prog rams
see DYNA MIC SELECT
Driver's seat see Seat
Driving lights see Automatic driving lights
Driving saf ety sy stem ............................ .190
ABS (Anti-lock Braking Sy stem) ........... 191
Ac tive Brake Assi st.............................. 19 6
Ad aptive brake lights .......................... .201
BA S (Brake Assi stSystem) ...................1 91
EBD (Electronic Brake forc e Distribu‐
tion) ..................................................... 19 6
ESP ®
(Electronic Stability Prog ram)
Crosswind Assist ................................. 19 5
ESP ®
(Electronic Stability Prog ram)
trailer stabilisation .............................. .195
Overview .............................................. 191
Ra dar sensors ...................................... 19 0
Re sponsibility ...................................... 19 0
ST EER CONTROL ................................. 19 6
Driving sy stem
DY NA MIC BODY CONTROL .................. 213Driving sy
stem
see 360° Camera
see Active Blind Spot Assi st
see Active Dis tance Assi stDISTRONIC
see Active Lane Keeping Assist
see Active Parking Assist
see Active Steering Assist
see AIR BODY CONTROL
see ATTENTION ASSIST
see Blind Spot Assist
see Cruise contro l:
see Driving saf ety sy stem
see HOLD function
see Limiter
see Parking Assist PARKTRONIC
see Remo teParking Assist
see Reversing camera
Driving tips Driving abroad (changing the lights) ....1 27
Gene ral driving tips ............................ .164
Ru nning-in no tes ..................................1 64
Dr ows iness de tection
see ATTENTION ASSIST
DY NA MIC BODY CONT ROL
Suspension .......................................... 213468
Index