Depending on
thev ehicle's equipment, ther adar
sensor sareintegrated behind theb umpers
and/or behind ther adiator grill. Keep these parts
free of dirt, ice and slush (/ page274). Th esen‐
sor sm ustn otbe co vered, fore xamp leby bicycle
ra ck s, overhanging loads or sticke rs.A fter ac olli‐
sion, ha vethef unction of ther adar sensors
ch eckedataq ualified specialis tworks hop as
damag e(both visible or non-visible) ma yhave
occur redtot he bumper or radiator trim. Fu
nction of driving sy stems and driving
saf etys ystems In
this section, youw illfind information abou tthe
fo llowing driving sy stems and driving saf etys ys‐
te ms:
R ABS ( Anti-lock braking system)
(/ page138)
R ASC ( Acceleration SkidControl)
(/ page138)
R BAS(Bra ke Assist System) (/ page138)
R ESP ®
(Electronic Stability Program)
(/ page139)
R EBD ( Electronic Brakeforce Distribution)
(/ page140)
R ActiveB rake Assi st (/ pag e140)
R Cruise control (/ page142)
R ActiveD ista nce Assi stDISTRONIC
(/ page 144)
R Hill star ta ssist
R HOL Dfunction (/ page146)
R Parking Assis tPARKTRONIC (/ page 146)
R Rear vie wcamer a(/ pag e148)
R 360° Camer a(/ pag e150)
R ATTENTION ASSIS T(/ pag e152)
R Traf ficS ign Assi st (/ pag e153)
R Blind Spo tAssist ( / pag e155)
R ActiveL aneK eeping Assis t(/pag e158) Fu
nctions of ABS (Anti-loc kBraking Sy stem) Obser
vethei mp ortant sa fety guideline sfor the
driving saf etys ystem.
ABS cont rols theb rake pressur eincritical situa‐
tions:
R thew heels ar epreve nted from lo cking when
braking, e.g. during maximum full-s topb rak‐
ing or when ther eisi nsufficient tir etraction. R
thes teerability of thev ehicle in term sof
ph ysical possibilities is ensured when brak‐
ing.
R ABSisa ctivefroms peeds of appr ox.3m ph
(5 km/h). On aslipper yroad sur face, ABS
inter venes evenify ou onl ybrake gently.
Sy stem limitations
If th er eisam alfunction and they ellow 0025 ABS
wa rning lam plight supc ontinuousl yinthe instru‐
ment displa yafter startin gthe engine, ABS may
be impaired or inoperative.
If ABS inter venes, youw illfeel ap ulsing in the
brak epedal. The pulsating brak epedal ma ybean
indication of hazardous road condition sand func‐
tions as areminder totake extrac arew hile driv‐
ing.
If ABS in terv enes: keep theb rake pedal firm ly
depressed until theb raking situation has passed.
To car ryout maximum full-s topb raking:
dep ress theb rake pedal wit hfull forc e. Fu
nction of BAS(Brak eAssis tSystem) &
WARNING Risk of an accident caused by
am alfunctio ninBAS (Brak eAssistSys‐
te m)
If BA Sism alfunctioning ,the braking dis tance
in an emergency braking situation is
increased. #
Depress theb rake pedal wit hfull force
in emer gency braking situations. ABS
pr eve nts thew heels from locking. BA
Ss uppo rtsy ou wit hadditional braking forc ein
an emer gency braking situation.
If yo ud epress theb rake pedal quickl y,BA Sis
acti vated:
R BASa utom atically boosts theb raking forc eof
th eb rakes
R BASc an sho rten theb raking dis tance
R ABS pr eventst he wheels from locking
When your elease theb rake pedal, theb rakes
function as usual again. BASisd eactivated. Fu
nctions of ASR (Acceleration Skid Control) ASR can neither
reduce ther isk of an accident
nor override thel aw sofp hysics if thed rive rd oes
no tp ay attention when pulling away or accelerat‐
ing. ASR is onl yanaid. Alw aysa dap tyour driving 13 8
Driving and pa rking
Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
007A
0025
00E5
Inoperative See Opera-
tor's Manual *
EBD,A BS and ESP ®
arem alfunctioning.
Other driving sy stems and driving saf etys ystems ma yalso be mal‐
functioning. &
WARNING Risk of skidding if EBD, ABS and ESP ®
arem al‐
functioning
If EBD, ABS and ESP ®
arem alfunctioning ,the wheels can lock
when braking and ESP ®
canno tcarry out vehicle stabilization.
The steering capability and braking characteristic sarethus
se verely impaired .The brakin gdista nc einane mergency brak‐
ing situation can increase. In addition, other driving saf etys ys‐
te ms ar eswitched off. #
Driv eonc arefully. #
Have theb rake system checkedi mmediately at aqualified
specialis tworks hop. #
Driv eonc arefully. #
Visit aq ualified specialis tworks hop immediately.
00E5 Inoperative See Opera-
tor's Manual *
ESP ®
is malfunctioning.
Other driving sy stems and driving saf etys yst ems ma yalso be mal‐
functioning.
The brak esystem continues working wit hthe normal ef fect. The
braking dis tance can increase in eme rgency braking situations. &
WARNING Risk of skidding if ESP ®
is malfunctioning
If ESP ®
is malfunctioning ,ESP ®
canno tcarry out vehicle stabili‐
zation .Inaddition ,other driving saf etys ystems ar eswitched off. #
Driv eonc arefull y. #
Have ESP ®
ch eckedataq ualified specialis tworks hop. #
Continue driving carefully. #
Visit aq ualified specialis tworks hop immediately.
00E5 Currently Unavailable
See Operator's Manual *
ESP ®
is temp orarily una vailable.
Other driving sy stems and driving saf etys yst ems ma yalso be mal‐
functioning. &
WARNING Risk of skidding if ESP ®
is malfunctioning
If ESP ®
is malfunctioning ,ESP ®
canno tcarry out vehicle stabili‐
zation .Inaddition ,other driving saf etys ystems ar eswitched off. #
Driv eonc arefull y. #
Have ESP ®
ch eckedataq ualified specialis tworks hop. #
Carefully driv esome gentle cur vesata bove19 mp h(30 km/h)
on asuitable stre tchofr oad. Displa
ymessages and warning and indicator lamps 343
Displa
ymessages
Possible causes/consequences and 0050 0050Solutions #
Ifth ed ispla ymessag edoes no tgoout, visit aqualified special‐
is tw orks hop immediately .Drive carefully when doing so.
0025
00E5
Currently Unavailable
See Operator's Manual *
ABS and ESP ®
aret emporarily una vailable.
Other driving sy stems and driving saf etys ystems ma yalso be tem‐
porarily una vailable. &
WARNING Risk of skidding if ABS and ESP ®
arem alfunc‐
tioning
If ABS and ESP ®
arem alfunctioning ,the wheels could loc kwhen
braking and ESP ®
cann otcar ryout vehicle stabilization.
The steering capability and braking characteristic sarethus
se verely impaired .The brakin gdista nc einane mergency brak‐
ing situation can increase. In addition, other driving saf etys ys‐
te ms ar eswitched off. #
Driv eonc arefully. #
Have ABS and ESP ®
ch eckedi mmediately at aqualified
specialis tworks hop. #
Carefully driv esome gentle cur vesata bove19 mp h(30 km/h)
on asuitable stre tchofr oad. #
Ifth ed ispla ymessag edoes no tgoout, visit aqualified special‐
is tw orks hop immediately .Drive carefully when doing so.
0025
00E5
Inoperative See Opera-
tor's Manual *
ABS and ESP ®
arem alfunctioning.
Other driving sy stems and driving saf etys ystems ma yalso be mal‐
functioning.
The brak esystemc ontinues working wit hthe normal ef fect. The
braking dis tance can increase in eme rgency braking situations. &
WARNING Risk of skidding if ABS and ESP ®
arem alfunc‐
tioning
If ABS and ESP ®
arem alfunctioning ,the wheels could loc kwhen
braking and ESP ®
cann otcar ryout vehicle stabilization.
The steering capability and braking characteristic sarethus
se verely impaired .The brakin gdista nc einane mergency brak‐
ing situation can increase. In addition, other driving saf etys ys‐
te ms ar eswitched off. #
Driv eonc arefully. #
Have ABS and ESP ®
ch eckedi mmediately at aqualified
specialis tworks hop. #
Continue driving carefully. #
Visit aq ualified specialis tworks hop immediately. 344
Displaymessa gesa nd warning and indicator lamps
Displa
ymessages
Possible causes/consequences and 0050 0050Solutions
Switc hOff Lights
0049 Auto Lamp Function
Inoperative *T
he light sensor is malfunctioning. #
Visit aq ualified specialis tworks hop.
0049
Malfunction See Opera-
tor’s Manual *T
heexterior lighting is malfunctioning. #
Visit aq ualified specialis tworks hop.
Ve hicles with traile rhitch:af use mayhaveb lown. #
Stop in accordance wit hthe tra ffic conditions. #
Chec kthe fuses, and replace them if necessary(/ page290).
0049
Check Left Low
Beam (exa mp le) *T
he bulb in question is faulty. #
Visit aq ualified specialis tworks hop.
or #
Chec kwhether changing theb ulb is permitted. Indicator and
warning lamps Overvie
wofwarningand indicator lamps When
thei gnition is switched on, man ysystems
per form aself-test. Som ewarning and indicator
lamps ma yswitc honorf lashtemp oraril yduring
th is time. This behavior is no cause fora larm.
These warning and indicator lamps onl ysignal a
malfunction if they light up or flash, onc ethe
engine has been star tedort hevehicle is in oper‐
ation.
Wa rning and indicator lamps:
0058 Lo
wb eam (/ page80)
0060 Pa
rking light (/ page80)
0057 High beam (/
page81)
003E003D Tu
rn signal (/ page81)
005E Re
ar fogl ight (/ page80)
00E9 Saf
etyb elt no tfas tened
(/ page365)
0027 and
004D USA: Brakes (red) (/
page360)
004D Canada: Brakes (red) (/
page360)
004D Brakes (yellow) (/
page360)
0025 ABS malfunctioning (/
page360)
002E Off-road
gear 00E5
ESP®
(/ page360)
00BB ESP®
OFF (/ page360)
00D4 Ac
tiveB rake Assi stdeactivated
(/ page140)
0049
and 0024 USA: Electric parking brak
eapplied
(red) (/ page360)(/pag e360)
0024 Canada: Electric parkin
gbrake
applied (red) (/ page360)
(/ page360)
0024 Electric parkin
gbrake (yellow)
(/ page360) (/ page360)
00CC Po
we r-assis teds teering malfunc‐
tionin g(/ pag e365)
003D Elect
rical malfunction
(/ page 366)
0075 Re
stra int sy stem (/ page360)
00B9 Chec
kEngine (/ page366)
00D4 Fu
elreser vewit hfuel filler flap loca‐
tio nindicator (/ page366)
00AC Coolan
ttoo hot/cold (/ page366)
00BA Dis
tance warning (/ page365)
0028 Preglow
0077 Ti
re pressur emonitor Displa
ymessages and warning and indicator lamps 359
St
ep No tExtended Se eOperator's
Manua lorstepn otextende dm al‐
function ............................................ 358
003DSt opVehicle Lea veEngine
Ru nning ............................................ 349
003D Stop Vehicle See Operator's
Manual ............................................. 350
0049Switc hOffLights ......................3 58
0049Switc hOnHeadlamps .............. 358
Ti re Press. Monitor Cur rently
Un available ...................................... .353
0077Ti rePress. Sen. Missing ........... 353
Ti re Pressur eMonitor Inoperative ....354
Ti re Pressur eMonitor Inoperative
No Wheel Sensors ............................3 52
To Engag eTransmiss .Position R
Fir stDep ress theB rake .................... 356
Tr af ficS ign Assi stCamer aView
Re stricted See Ope rator's Manual ... 346
Tr af ficS ign Assi stCur rently
Un available See Operator' sManual
.......................................................... 346
Tr af ficS ign Assi stInoperative .......... 346
Tr ansmission Malfunction Stop ........ 357
Ve hicle locating has been activa‐
te d. De tails: see manual or associ‐
ated mobile app. or vehicle locat‐
ing activated –see manual or
mobile app. ...................................... 357
0072Ve hicle Operational Switch
th eI gnition Of fBefor eExiting ..........3 57
0077 Warning Tire Malfunction ......... 353
Displa yrang e(trip menu) .................... 17 0
Displa ytotal di stance (trip menu) ......17 0
Distance cont rol
see ActiveD ista nce Assi stDISTRONIC
Di stance recorder
see Trip dis tance
DI STRO NIC
see ActiveD ista nce Assi stDISTRONIC
Door Locking (emergency key) .................... 46
Un lockin g(emer gency key) ................ 46
Door cont rolp anel ................................ .14DO
T,Tire Identification Number
(TIN) ....................................................... 306
Drinkin gand driving ............................ 106
Driv eAwayA ssist .................................1 56
Driver's seat see Seats
Driving characteristics (unusual) ....... 294
Driving instructions Foreign trip (information) ................ .108
Driving light see Automatic driving lights
Drivin gnotes
Tr anspor tbyrail .............................. .109
Driving Saf etyS ystem
AB S(Anti-loc kBrakin gS ystem) ........ 13 8
ASR (acceleration ski dcontrol )........ 13 8
BA S(Brak eAssistSystem) ............... 13 8
EBD (electroni cbrake forc ed istri‐
bution) ..............................................1 40
ESP ®
Crosswind Assis t..................... 13 9
ESP ®
traile rstabilizatio n................. .140
Overvie w.......................................... 13 8
Ra dar sensor s................................... 137
Re sponsibility ................................... 137
Drivin gsafet ys ystem
see ActiveB rake Assi st
see ESP ®
(Electronic Stabilit yProgram)
Driving sy stem
see 360° Camera
see ActiveD ista nce Assi stDISTRONIC
see ActiveL aneK eeping Assist
see ATTENTION ASSIST
see Blind Spo tAssist
see Cruise control
see HOLD function
see Lane Keeping Assist
see Parking Assis tPARKTRONIC
se eR ear vie wcamera
see Traf ficS ign Assi st
Drivin gtips
Brak esubjec ttoload ...................... .109
Braking ............................................. 109
Breaking-i nnotes ............................. 106
Downhil lgradien t............................. 109
Drinking and driving ......................... 106
Driving ab road (symm etrical low
beam) ................................................. 80
Driving in winter ................................ 111
Driving off-roa d................................. 111
Driving on flooded roads .................. .110
Driving on wetroads .........................1 10376
Index