Page 409 of 446
Engine
Warning/indicator lamp
Possible causes/consequences and MSolutions
;
Engine diagnosiswarning
lamp The
yello we ngin ediagnosis warning lam pislit while thee ngine is running.
Am alfunctio nhasoccu rred in thee ngine, thee xhaust system or thef uel sy stem.
The emissions limit values ma ybeexceeded and thee ngine ma yberunninginemergency operation mode.
In som estates, legal requ irements stipulat ethat youm ustimmediatel yconsul taqualified specialis tworks hop as soon
as they ello wengin ediagnosis warning lam plightsu p.
#Have thev ehicle checkedass oon as possible at aqualified specialis tworks hop.
Displa ymessages and warning/indicator lamps 407
Page 410 of 446

Warning/indicator lamp
Possible causes/consequences and MSolutions
?
Coolantwarning lamp The
redc oolant warning lam pislit while thee ngine is running.
Po ssible causes are:RThe temp eratur esensor is malfunctioning
RThe coolant le velist oo low
RThe air supply tother adiator is obstructed
RThe radiator fani sfaulty
If th er eisana dditional warning tone, thec oolant temp eratur ehasexc eeded 248°F( 120° C).
&
WARNING Danger of burn swhen opening thee ngine hood
If yo uo pen thee ngine hood when thee ngine has overheated or during afireint he engine compartment, youc ould
come int ocontact wit hh otgases or other escaping operating fluids.
#Befor eopening thee ngine hood, allo wthe engine tocool down.
#Inthee vent of afireint he engine compartment, keep thee ngine hood closed and call thef ires ervice.
#Pull overand stop thev ehicle safely and switc hoffthee ngine, paying attention toroad and traf ficc onditions .Do
no tc ontinu edriving under an ycircums tances.
#Obser vethem essages in them ultifunction displa y.
If th ec oolant temp eratur edispla yisatt he lowerend of thet emperatur escale:
#Consult aqualified specialis tworks hop.
408
Displa ymessages and warning/indicator lamps
Page 411 of 446

Warning/indicator lamp
Possible causes/consequences and MSolutions
Otherwise:
#Lea vethev ehicle and keep asafed ista nce from thev ehicle until thee ngine has cooled down.
#Chec kthe coolant le vel.
#Mak esuret hat thea ir supply tother adiator is no tobstructed.
#Avoiding high loads on thee ngine, driv eontothe neares tqualified specialis tworks hop. In doing so, ensur ethat the
coolant temp eratur edispla yremain sbelo w2 48 °F (120 °C).
#
Electrical malfunction warn‐
ing lamp The
rede lectri cal malfunction warning lam pislit.
Ther eisam alfunction in thee lectrics.#Obser vethem essages in them ultifunction displa y.
8
Fuelreser vewarning lamp The
yello wf uel reser ve wa rning lam plightsupw hile driving.
Ther ehas been pressur eloss in thef uel sy stem. The fuel filler cap is no tclosed cor rectl yort he fuel sy stem is leaking.#Close thef uel filler cap.
#If th ef uel filler cap wasa lready proper lyclosed: consultaqualified specialis tworks hop.
8
Fu elreser ve wa rning lamp The
yello wf uel reser vewarning lam pislit while thee ngine is running.
The fue llev el has dropped int othe reser verange.#Re fuel.
Displ aymessage sand warning/indicator lamps 409
Page 412 of 446
Tire s
Wa rning/indicator lamp
Possible causes/consequences and MSolutions
h
Tire pressur emonitoring
sy stem warning lamp The
yello wt irep ressur emonitoring sy stem warning lam p(pressur eloss/malfunction) is lit.
The tir epressur emonitoring sy stem has de tected alossofp ressur einatl east one of thet ires.&
WARNING Risk of an accident duetoi nsufficient tir epressure
Ti re pressures that ar etoo lo wpose thef ollowing hazards:
RThe tires ma yburst,e speciall yasthe load and vehicle speed increase.
RThe tires ma ywear excessively and/or une venly, whic hmaygreatl yimp air tir etraction.
RThe drivin gcharacteristics, as well as steering and braking, ma ybegreatl yimp aired.
Yo uc ouldthen lose control of thev ehicle.
#Obser vether ecommende dtirep ressure.
#Ad jus tthe tir epressur eifn ecessar y.
#Stop thev ehicle, paying attention toroad and traf ficc onditions.
#Chec kthe tir epressur eand thet ires.
410
Displ aymessage sand warning/indicator lamps
Page 413 of 446
Warning/indicator lamp
Possible causes/consequences and MSolutions
h
Tire pressur emonitoring
sy stem warning lamp The
yello wt irep ressur emonitoring sy stem warning lam p(pressur eloss/malfunction) flashes fora pproxima tely one
minut eand then remains lit.
The tir epressure monitoring sy stem is malfunctioning.&
WARNING Thereisar isk of an accident if thet irep ressur emonitoring sy stem is malfunctioning
If th et irep ressur emonitoring sy stem is malfunctioning, it is no table toissue awarning if ther eisp ressur eloss in
one or mor eofthe tires.
Un derinflated tires ma y,fore xamp le, impair thed riving, steering and braking characteristics.
#Ha ve thet irep ressur emonitoring sy stem checkedataq ualified specialis tworks hop.
#Visit aq ualified specialis tworks hop.
Displa ymessages and warning/indicator lamps 41
1
Page 414 of 446

1,2, 3. ..
12 Vb attery
Charging .............................................. 301
No tes. ................................................. 299
St artin gassis tance .............................. 301
360° came ra............................................ 177
Car e................................................... .287
Fu nctio n.............................................. 177
Selecting aview. .................................. 179
A
A/C function Activating/deactivating (control
panel ).................................................. 122
ABS (Anti-loc kBraking Sy stem) ............ .148
Ac celeration
see Kickdown
Ac cess data
Editing ................................................ .251
Setting ................................................. 250
Ac oustic locking verification signal
Swit ching on/of f................................... 56 Ac
tiv eB lind Spo tAssis t
Brak eappli cation ................................. 189
Fu nction/no tes. .................................. 188
Sy stem limitations .............................. .188
Ac tiv eB rake Assi st
Driving safe ty system .......................... 152
Setting ................................................. 156
Ac tiv eE me rgency Stop Assist ...............166
Ac tiv eh ood( pedestrian pr otection) ......278
Me thod of operation ............................2 78
Re setting. ............................................ 278
Ac tiv eL aneC hang eAssis t..................... 166
Ac tiv eL aneK eeping Assist
Fu nctio n.............................................. 190
Sensitivity ............................................ 193
Setting thes ensitivity .......................... 193
Switching on/of f................................. 192
Sy stem border s................................... 190
Ad aptiv ecruise control
see Driving sy stem
Ad aptiv eDamping Sy stem
Suspension ........ ...
...............................
169 Ad
aptiv eHighbeam Assist
Fu nctio n............................................... 112
Switching on/of f.................................. 113
Ad ded sub stance s(fuel)
see Fuel
Ad ditive s.................................................. 346
Engine oil ............................................ 346
Ad ditive s(engine oil)
see Additives
Ad dres sbook
see Contacts
Ad justin gthe balance/ fader
Burmes ter
®high-end 3D sur round
sounds ystem. ..................................... 276
Burmes ter
®sur round sounds ystem. ...2 75
Ad justin gthe sound focus
Burmes ter
®sur round sounds ystem. ...2 75
Ad justin gthe sound optimization
Burmes ter
®high-end 3D sur round
sounds ystem ...................................... 276
412
Index
Page 415 of 446

Adjustin gthe treble ,mid-rang ea nd
bass
Burmes ter
®high-end 3D sur round
sounds ystem. ..................................... 276
Burmes ter
®sur round sounds ystem. ...2 75
Air bag Activation .............................................. 31
Belt ai rbag ............................................ 35
AI RB ODYC ONT ROL................................ 169
Setting ................................................. 171
Suspensio n.......................................... 169
Air conditioning sy stem
see Climat econtrol
Air distribution ........................................ 122
Air freshener sy stem
see Frag rance sy stem
Air suspension see AIR BODY CONTROL
Air vents ................................................... 125
Ad justing (front) .................................. 125
Ad justing (rea rpassenger compart‐
ment) ................................................... 126
Glo vebox. ............................................ 126 Air
vents
see Air vents
Ai r-re circulation mode ............................ 123
Airb ag
Fr ont airbag ...........................................3 7
Ins tallation locations ............................ .37
Knee airbag ........................................... 37
Overvie w............................................... 37
Pr otection ............................................. .38
Re duced pr otection ............ .....
.............
.39
Sid eairba g. ........................................... 37
Wi ndo wairba g. ...................................... 37
Air flow ...................................................... 122
AIRP ANEL (Care) ...................................... 287
Alarm see Panic alarm
Alar msystem
see Anti- theftp rotection
Ambient lighting ...................................... 115
Android Auto™
Connecting amobile phone. ................245
Ending ................................................. 246
Overvie w............................................. 245 Sound settings ....................................
245
Anti-thef tprote ction ................................ .79
ATA (Anti-Thef tAlarms ystem) ............... 79
Deactivating thea larm( ATA) ................. 80
Immobilizer ............................................ 79
Appl eCarPlay™
Connecting an iPhone
®....................... 244
Ending .................................................2 45
Overvie w............................................. 244
Sound settings .................................... 244
Asht ray
Fr ont center console ........................... 105
Re ar passenger compartment ............ .105
Assistance graphic
Menu (on-boa rdcompute r) .................. 198
ASS YSTP LUS........................................... 277
Batter ydisconnection period s............. 278
Displ aying thes ervice due dat e........... 277
Re gular service work ........................... 277
Special service requirements .............. 277
ASS YSTP LUSs ervice in terv al display ...277
ATA (Ant
i-Thef tAlarms ystem)
Deactivatin gthe alar m.......................... 80
Index 41
3
Page 416 of 446

Functio n................................................ 79
AT TENTION ASSIST
Fu nctio n.............................................. 184
Switching on/of f................................. 186
Sy stem limitations .............................. .184
At tention assistant
see Driving sy stem
Au dio mode
Ac tivating media mod e........................ 257
Connecting USB devices ..................... 259
Co pyright ............................................. 257
Information .......................................... 256
Inserting/ removing SD memor ycard
.............................................................2 57
Media sear ch....................................... 262
Overvie w............................................. 258
Pa use and playbac kfunction .............. .259
Selecting atrack ................................. 259
Selecting playba ckoptions .................. 259
Tr ac kl ist. ............................................ .259
Au thorized Mercedes-Benz service
center
see Qualified specialis tworks hop
Au tomatic ca rwash (care) ..................... 284 Au
tomatic distanc econtrol
seeD riving sy stem
Au tomatic drivin glights .......................... 111
Au tomatic engine star t( EC Os tart/
sto pfunction) .......................................... 132
Au tomatic engine stop(EC Os tart/
sto pfunction) .......................................... 132
Au tomatic fron tpassen gera ir bag
shu toff
see Front passenger air bag shutoff
Au tomatic mir rorf olding function
Swit ching on/of f................................. 120
Au tomatic transmission
DIRECT SELEC
Tselect or lever. ............ 135
Driv eprogram displa y.......................... 134
Driv eprogram s.................................... 134
DY NA MIC SELECT switc h.................... 134
Gearshif trecommendatio n.................. 138
Kickdown ............................................. 138
Tr ansmission position displa y............. .135
Tr ansmission positions. .......................135
B
BA S(Brak eAssis tSystem)
Drivin gsafet ys ystem. ......................... 148
Battery Key. ...................................................... .57
Batter y(12 V)
Charging .............................................. 301
No tes. ................................................. 299
St artin gassis tance .............................. 301
Belt Adjusting theh eight .............................. 35
Fa stening ............................................... 35
Re leasing .............................................. .36
Bel tair bag
Ac tivation .............................................. 31
Fu nction/no tes. ....................................3 5
Blind Spo tAssis t
Ac tivating/deactivating .......................1 90
Fu nction/no tes. .................................. 188
Sy stem limitations .............................. .188
Blo wer
see Climate control
414
Index