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When DISTRONIC, cruise cont rol or theva ri‐
able limiter are activated, the speed de tec‐
te d can be manually adop ted as the speed
limit (→ page198). Blind Spot Assi
stand Active Blind Spot
Assi st Fu
nction of Blind Spot Assist and Active
Blind Spot Assi st
Blind Spot Assi stuses two lateral, rear-facing
ra dar sensors tomonitor the area up to40 m
behind your vehicle and 3 m directly next to your
ve hicle.
If a vehicle is de tected at speeds ab ove appr ox‐
imately 12km/h and this vehicle subsequently
enters the monitoring range di rectly next to your
ve hicle, thewa rning lamp in the outside mir ror
lights up red.
If a vehicle is de tected close to yourvehicle in
th e lateral monitoring range and you swit chon
th e turn signal indicator in the cor responding
direction, a warning tone sounds once. The red
wa rning lamp in the outside mir rorflashes. If the
turn signal indica torre mains on, all other de tec‐ te
dve hicles are indicated only bytheflashing of
th ere dwa rning lamp.
If yo uove rtake a vehicle quickl y,no warning is
given. &
WARNING Risk of accident despi teBlind
Spot Assi st
Blind Spot Assi stdoes not react tovehicles
approaching and overtaking you at a greatly
di fferent speed.
As a result, Blind Spot Assist cannot warn
drivers in this situation. #
Alw ays pay careful attention tothe traf‐
fi c situation and maintain a safe dis‐
ta nce at the side of theve hicle. Blind Spot Assist and
Active Blind Spot Assi st
are on lyaids. They may failto detect some vehi‐
cles and are no substitute for attentive driving.
Alw ays ensure that there is suf ficient di stance to
th e side forot her road users and obs tacles. Sy
stem limitations
The sy stem may be limited in thefo llowing situa‐
tions:
R the sensors are dirty or co vered
R poor visibility, e.g. due tofog, heavy rain,
snow or spr ay
R narrow vehicles, e.g. bicycles, are within the
monitoring range
Wa rnings may be issued in er ror when driving
close tocrash ba rriers or similar solid lane bor‐
ders. Warnings may be inter rupte d when driving
alongside long vehicles, forex ample lor ries, for a
prolonged time.
Blind Spot Assist is not operational when reve rse
ge ar is engaged.
Fu nction of brake application (Active Blind
Spot Assist)
The brake application function is only available
fo rve hicles with a Driving Assis tance Package.
If Ac tive Blind Spot Assi stdetects a risk of a side
impact in the monitoring range, a cou rse-cor‐
re cting brake application is car ried out. This is
designed tohelp youav oid a collision. Driving and parking
241

Display messages
Possible causes/consequences and M
MSolutions
Radar sensors dirty See
Owner's Manual *T
heradar sensor sy stem is malfunctioning. Possible causes:
R soiling of the sensors
R heavy rain or snow
R extended country driving wi thout other traf fic, e.g. in the desert
Driving sy stems and driving saf ety sy stems may be malfunctioning or temp orarily una vailable.
Once the cause of the problem is no longer present, driving sy stems and driving saf ety sy stems will be available
again.
If th e display message does not disappear: #
Pull over and stop theve hicle, paying attention toroad and traf fic conditions. #
Clean all senso rs (→page 400). #
Restart the engine.
!
Turn on the ignition to
release the parking brake *
The red! indicator lamp is lit.
Yo u ha veattem ptedto release the electric parking brake with the ignition switched off. #
Switch the ignition on. Display messages and
warning/indicator lamps 471

Tinope
rative See Owner's Man‐
ual ....................................................... 470
G Inoperative .................................. 482
bIntellige nt Light System inoper‐
ative ..................................................... 521
ÂKe y not de tected (white dis‐
pl ay messa ge)...................................... 51 0
 Key not de tected (red displ ay
messa ge).............................................5 10
b Left dipped beam (Example) ....... 520
6Left windowbag malfunction
Consult workshop (Example) ...............478
Limiter inoperative .............................. 492
Limiter passive .................................... 492
¢ Lowe ring .................................... 483
bMalfunction See Owner's Man‐
ual ....................................................... 521
ðMaximum speed exceeded ..........4 92
Mercedes me connect Services limi‐
te d See Owner's Manual ...................... 481 N permanently active Risk of
vehicle
ro lling .................................................. .514
ç Off............................................... 490
ëOff ............................................... 490
Only select Park (P) when vehicle is
st ationary ............................................ .514
ï Operation only possible in
transmission position N .......................513
ï Operation only possible in
transmission position P ........................513
! Parking brake See Owner's
Manual ................................................ .473
 Place theke y in the mar ked
space See Owner's Manual ..................51 0
Please reduce speed ...........................4 85
PRE-SAFE impulse side inope rative
See Owner's Manual ............................ 481
PRE-SAFE inope rative See Owner's
Manual ................................................. 481 Ra
dar sensors dirty See Owner's
Manual .................................................4 71
_ Rear left seat backrest not
loc ked (Example) .................................. 516
h Rectify tyre pressure ................... 505
Re duce speed ...................................... 508
ØRe fill Ad Blue Eng. start not pos‐
sible .................................................... 502
ØRe fill Ad Blue See Owne r’s Man‐
ual .......................................................5 01
! Release parking brake .................472
¸ Replace air cleaner .....................500
,Re placekey See Owner's Man‐
ual ...................................................... .509
ÂRe placekey ................................ .509
8Re servefuel le vel........................ 500
6Re stra int sys. malfunction Con‐
sult workshop ...................................... 477
Re versing not poss. Consult work‐
shop ..................................................... 51 5 Index
553

Risk of
vehicle rolling Driver door
open and transmission not in P ............514
# See Owner's Manual ................... 494
Speed limit (winter tyres) XXX km/h ... 492
ÐSt eering malfunction Drive
carefully Visit workshop ....................... 517
Ð Steering malfunction Incre ased
ph ysical ef fort See Owner's Manual ....51 8
Ð Steering malfunction Stop
immediately See Owner's Manual ........517
St op vehicle Lea veengine running
Wa itTransmission cooling ....................516
# Stop vehicle Lea veengine run‐
ning ..................................................... 495
#St opvehicle See Owner's Man‐
ual .......................................................4 95
ÉSt opvehicle Vehicle too low ........ 484
çsuspended ................................... 491
bSwitch off lights .......................... 522
bSwitch on headlamps .................. 522To
shift out of P or N,depress brake
and start engine .................................. .514
To p up coolant See Owner ’sManual ... 493
¥To p upwasher fluid .................... .520
Tr af fic Sign Assi stCamera view
re stricted See Owner's Manual ........... 489
Tr af fic Sign Assi stcur rently una vaila‐
ble See Owner's Manual ...................... 489
Tr af fic Sign Assi stinope rative ............. 489
ïTr ailer coupling extending… .........511
Tr ansmission Malfunction Stop ............ 51 5
! Turn on the ignition torelease
th e parking brake ................................. 471
h Tyre press. monitor cur rently
una vailable .......................................... 506
hTy repress. monitor inoperative
No wheel sensors ................................ 507
hTy repress. monitor inoperative ...507
Ty re pressure Check tyres ...................504
Ty re(s) ove rheated ...............................5 08dVe
hicle is operational Switch
off the ignition before exiting .............. .511
É Vehicle rising Please wait............ 483
ÉVe hiclerising ...............................4 83
hWa rning tyre defect .....................506
hWheel sensor(s) missing .............. 507
Wi thout changing gear, consult work‐
shop ..................................................... 51 5
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
Child saf ety lock (rear door) .................. 63
Locking (emer gency key) ...................... .75
Opening (from the inside) ......................71
Un locking (emer gency key) .................... 75554
Index

Un
locking (from the inside) .................... 71
Door cont rol panel .................................... .16
Dr aw bar
see Tow- bar sy stem
Drive Away Assist .................................... 234
Drive position Engaging .............................................. 16 3
Drive prog ram display ............................. 16 0
Drive prog rams
see DYNA MIC SELECT
Driving abroad Symmetrical dipped beam ...................1 22
Driving lights see Automatic driving lights
Driving saf ety sy stem ............................ .180
ABS (Anti-lock Braking Sy stem) ........... 182
Ac tive Brake Assi st.............................. 187
Ad aptive brake lights .......................... .192
BA S (Brake Assi stSystem) .................. 182
EBD (Electronic Brake forc e Distribu‐
tion) ..................................................... 186
ESP ®
Crosswind Assi st........................ 186
ESP ®
trailer stabilisation .................... .186 Overview ..............................................
181
Ra dar sensors ...................................... 181
Re sponsibility ...................................... 180
ST EER CONTROL ................................. 187
Driving sy stem
DY NA MIC BODY CONTROL .................. 209
Driving sy stem
see 360° Camera
see Active Blind Spot Assi st
see Active Dis tance Assi stDISTRONIC
see Active Emergency Stop Assist
see Active Lane Change Assi st
see Active Lane Keeping Assist
see Active Parking Assist
see Active Speed Limit Assi st
see Active Steering Assist
see AIR BODY CONTROL
see ATTENTION ASSIST
see Blind Spot Assist
see Cruise control
see Driving saf ety sy stem
see HOLD function
see Limiter
see Parking Assist PARKTRONIC
see Remo teParking Assist see
Reversing camera
see Speed Limit Assist
see Traf fic Sign Assi st
Driving tips Driving abroad (symmetrical dipped
beam) .................................................. 12 2
Gene ral driving tips ............................ .154
Ru nning-in no tes ..................................1 53
Dr ows iness de tection
see ATTENTION ASSIST
DY NA MIC BODY CONT ROL
Chassis ................................................ 209
Dynamic handling cont rol sy stem
see ESP ®
(Elect ronic Stability Prog ram)
DY NA MIC SELECT ................................... .159
Configu ring drive program I ................. 16 0
Displ aying engine data ........................ .161
Displ aying vehicle data ........................ 16 0
Drive prog ram display ......................... .160
Drive programs ................................... .159
Fu nction .............................................. 15 9
Operating (DYNAMIC SELECT switch) .............................................................1 60
Selecting the drive prog ram ............... .160 Index
555