Display messages
Possible causes/consequences and 0050 0050Solutions Currently Unavailable
Radar Sensors Dirty
*
The radar sensor sy stem is malfunctioning. Possible causes:
R dirt on the sensors
R heavy precipitation
R extended country drives wi thout other traf fic, e.g. in the desert
The following sy stems may be af fected:
R Active Dis tance Assi stDISTRONIC (/ page 143)
R Blind Spot Assist(/ page152)
R Active Brake Assi st (/ page 139)
Driving sy stems and driving saf ety sy stems may be malfunctioning
or temp orarily una vailable.
When the causes ha vebeen eliminated, the driving sy stems and
driving saf ety sy stems will be available again.
If th e display message does not disappear: #
Stop in a safe location. #
Clean all sensors (/ page212). #
Re-sta rt the engine. #
If necessar y,visit a qualified specialist workshop.
Active Distance Assist
Now Available *T
heActive Dis tance Assi stDISTRONIC is operational again and can
be acti vated (/ page144).
00D9 Off *T
he HOLD function has been deactivated because theve hicle is slip‐
ping or an activation condition has not been met. #
Re-acti vate the HOLD function later on or check the HOLD func‐
tion's activation conditions (/ page145).
Blind Spot Assist Inoper-
ative *B
lind Spot Assist is malfunctioning (/ page152). #
Visit a qualified specialist workshop.
Blind Spot Assist Trailer
Not Monitored *W
hen you es tablish an electrical connection with the trailer, Blind
Spot Assist will remain available but the area beside the trailer will
not be monitored. The function of Blind Spot Assist may be restric‐
te d as a result (/ page152). #
Press the left-hand Touch Control and ackn owledge the display
message.
Blind Spot Assist Cur-
rently Unavailable See
Operator's Manual *B
lind Spot Assist is temp orarily una vailable (/ page152).
The sy stem limits ha vebeen reached (/ page152). #
Continue driving.
When the causes ha vebeen eliminated, the sy stem will be avail‐
able again.
or #
Ifth e display message does not go out, stop in a safe location
and re-sta rt the engine. #
If necessar y,clean there ar bumper. If the bumper is very dirty,
th e sensors in the bumper may malfunction.
*T he camera view is reduced (/ page155). 284
Displaymessa ges and warning and indicator lamps
Display messages
Possible causes/consequences and 0050 0050Solutions
Adaptive Highbeam
Assist Currently Unavail-
able See Operator's Man-
ual *A
daptive Highbeam Assist is temp orarily una vailable.
The sy stem limits ha vebeen reached (/ page81). #
Continue driving.
When the causes ha vebeen eliminated, the sy stem will be avail‐
able again. The display message Adaptive Highbeam Assist Now
Available appears.
Adaptive Highbeam
Assist Inoperative *A
daptive Highbeam Assist is malfunctioning. #
Visit a qualified specialist workshop.
0049
Switch On Headlamps *Y
ou are driving without a low beam. #
Turn the light switch toposition 0058.
or #
Turn the light switch tothe0058 position.
0049
Switch Off Lights *Y
ou are leaving theve hicle and the light is still switched on. #
Turn the light switch toposition 0058.
0049
Auto Lamp Function
Inoperative *T
he light sensor is malfunctioning. #
Visit a qualified specialist workshop.
0049
Malfunction See Opera-
tor’s Manual *T
heexterior lighting is malfunctioning. #
Visit a qualified specialist workshop.
Ve hicles with trailer hitch: a fuse may ha veblown. #
Stop in accordance with the tra ffic conditions. #
Check the fuses, and replace them if necessary(/ page 228).
0049
Check Left Low
Beam (exa mp le) *T
he bulb in question is faulty. #
Visit a qualified specialist workshop.
or #
Check whe ther changing the bulb is permitted. Indicator and
warning lamps Overview of
warning and indicator lamps When
the ignition is switched on, many sy stems
per form a self-test. Some warning and indicator
lamps may switch on or flash temp orarily during
th is time. This behavior is no cause for alarm.
These warning and indicator lamps only signal a
malfunction if they light up or flash, once the
engine has been star ted or theve hicle is in oper‐
ation. Wa
rning and indicator lamps:
0058 Low beam (/
page 79)
0060 Pa
rking light (/ page 79)
0057 High beam (/
page 80)
003E003D Tu
rn signal (/ page 80)
005E Re
ar fog light (/ page 79)
00E9 Saf
ety belt not fastened
(/ page 302)
0027 and
004D USA: Brakes (red) (/
page 297)296
Display messages and warning and indicator lamps
Driving sy
stems Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions
00BA
Dis tance warning lamp The
red dis tance warning lamp lights up while you are driving and a
wa rning tone sounds.
Yo u are approaching an obs tacle at too high a speed. #
Beready toapply the brakes immediatel y. #
Increase the dis tance. Ve
hicle Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions
00CC
Po we rst eering sy stem
wa rning lamp The
red po werst eering sy stem warning lamp lights up while the engine
is running.
The po werst eering assis tance or thesteering itself is malfunctioning. &
WARNING Risk of accident if steering capability is impaired
If th esteering no longer functions as intended, theve hicle's operat‐
ing saf ety is jeopardized. #
Consult a qualified specialist workshop. #
Read the messages on the multifunction displa y.Engine
Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions
00AC
Coolant warning lamp The
red coolant warning lamp lights up while the engine is running.
Po ssible causes:
R temp erature sensor malfunctioning
R coolant le velto o low
R air supply tothe engine radiator obstructed
R engine radiator fanfa ulty
If a warning tone also sounds, the coolant has exceeded thete mp era‐
ture of 248 °F (120 °C). &
WARNING Danger of bu rns when opening the hood
If yo u open the hood when the engine has overheated or during a
fi re inthe engine compartment, you could come into con tact wi th
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. Display messages and
warning and indicator lamps 303
Sound settings .................................
188
Tr ans ferred vehicle data ...................1 88
Animals Pets in theve hicle .............................. 40
Anti-lock braking sy stem
see ABS (Anti-lock Braking Sy stem)
Anti-skid chains
see Snow chains
Anti-theft Alarm sy stem
see ATA (Anti -Theft Alarm sy stem)
Anti-theft pr otection
Immobilizer ........................................ 55
Anti- theft pr otection
see ATA (Anti -Theft Alarm sy stem)
Apple CarPlay™ .................................... 186
Connecting an iPhone ®
............ 186, 187
Ending .............................................. 187
No tes ................................................ 186
Overview .......................................... 186
Sound settings .................................. 187
Tr ans ferred vehicle data ...................1 88
Ashtr ays
In the windshield stowage com‐
partment ............................................ .74
ASR (accele ration skid control) ...........137
Assistance graphic (on-board com‐
puter) ..................................................... 16 6
ASS YST PLUS ........................................ 202
Battery disconnection pe riods ......... 202
Displaying the service due date .......2 02
Fu nction/no tes ................................ 202
Re gular maintenance work ............... 202
Special service requirements .......... .202
ATA (Anti-Theft Alarm sy stem) .............. 56
Ac tivating/deactivating the interior
motion sensor .................................... 57
Fu nction ............................................. 56
Interior motion sensor function .......... 57
St opping the alarm ............................. 56
Switching theto w- aw ay alarm
on/off ................................................ 57
To w- aw ay alarm function .................... 56
At tachments .......................................... .19
AT TENTION ASSI ST....................... 151, 15 2
Fu nction ............................................ 151
Setting .............................................. 15 2
Sy stem limitations ............................1 51
Au thorized workshop
see Qualified specialist workshop Au
tomatic distance control
see Active Dis tance Assi stDISTRONIC
Au tomatic driving lights ........................79
Au tomatic transmission
DIRECT SELECT le ver ........................ 11 5
Engaging drive position ..................... 11 7
Engaging neutral ............................... 11 6
Engaging reve rsege ar ...................... .116
Kickdown .......................................... 11 8
Re stricting the shift range ................. 11 7
Selecting pa rkposition .....................1 16
Tr ansmission position display .......... .115
Tr ansmission positions ...................... 11 5
Au xiliary heating .................................... 99
Fu nction ............................................. 99
Axle load ................................................ 261 B
Back suppo rt
see Lumbar support (4-w ay)
BA S (Brake Assist Sy stem) .................. 137
Battery Charging ........................................... 219
Charging a vehicle battery ................2 19
Disconnecting the auxiliary battery
in the engine compartment .............. 224
Disconnecting thest ar ter battery .... 222
Jump -sta rting (vehicle) ...................... 219
Ke y .................................................... .42
No tes (vehicle) ..................................2 18
Re moving or ins talling thest ar ter
battery .............................................2 23
St arter battery .................................. 221
Battery main switch Notes ................................................ 11 4
Switching the po wer supp lyon/off ... 11 4
Belt see Seat belt
Blind Spot Assi st.................................. 15 2
Ac tivating/deactivating .................... 154
Fu nction ........................................... 15 2
Re ar Cross Traf fic Alert .................... 154
Sy stem limitations ............................1 52
Blue tooth ®
............................................ 180
Ac tivating/deactivating .................... 180
Information .......................................1 80
Bottle holder .......................................... .74
Brake ABS (Anti-lo ckBraking Sy stem) ........ 137
Ac tive Brake Assi st........................... 13 9
BA S (Brake Assi stSystem) ............... 137 Index
307
0075Left Side Cur
tain Airbag Mal‐
function Service Required (e xam‐
ple) .................................................. .277
0049 Malfunction See Operator ’s
Manual ............................................. 296
00CB Maximum Speed Exceeded ..... 283
N Pe rm anently Active Risk of Roll‐
ing Away ........................................... 294
00AF Obtain a New Key.................... 292
00B2 Off.......................................... .283
00D9 Off.......................................... .284
Only Shift to'P' when Vehicle is
St ationary ........................................ .294
0024 Parking Brake Inoperative ........278
0024 Parking Brake See Opera tor's
Manual ............................................. 279
00AF Place theKe y in the Mar ked
Space See Ope rator's Manual .......... 291
0077Please Cor rect Tire Pressure ....291
Ra dar Sensors Dirty See Opera‐
to r's Manual .................................... .280
00E2 Refill Ad ditive Emer gency
Op.: XXX mph See Operator's Man‐
ual ....................................................2 89
00E2 Refill Ad ditive See Operator's
Manual .............................................2 89
00E2 Refill Ad ditive Starts until
Emerg. Op.: XXX See Operator's
Manual ............................................ .289
Re generation not possible ................ 288
009E Replace Air Filter .....................2 85
00AFRe placeKey Bat tery ................. 292
Re versing Not Possible Service
Re quired .......................................... .294
003D See Ope rator's Manual ........... 287
Service Required Do Not Shift
Gears Visit Dealer ............................2 94
Shift to'P' or 'N' toStart Engine ...... 293
SOS NOT READY .............................. 280
0075 SRS Malfunction Service
Re quired .......................................... .278 00CC
Steering Malfunction
Incre ased Ph ysical Ef fort See
Ope rator's Manual ........................... 293
00CC Steering Malfunction Stop
Immediately See Operator's Man‐
ual ....................................................2 93
St ep Not Exte nded See Ope rator's
Manual or step not extended mal‐
function ............................................ 295
003DSt opVehicle Lea veEngine
Ru nning ............................................ 287
003D Stop Vehicle See Operator's
Manual ............................................. 287
0049Switch Off Lights ......................296
0049Switch On Headlamp s.............. 296
Ti re Press. Monitor Cur rently
Un available ...................................... .290
0077Ti rePress. Sen. Missing ........... 290
Ti re Pressure Monitor Inoperative ....291
Ti re Pressure Monitor Inoperative
No Wheel Sensors ............................2 90
To Engage Transmiss. Position R
Fir stDep ress the Brake .................... 293
Tr ansmission Malfunction Stop ........ 294
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. ...................................... 295
0072Ve hicle Operational Switch
th e Ignition Off Before Exiting ..........294
0077 Warning Tire Malfunction ......... 290
Display range (trip menu) ....................167
Display total di stance (trip menu) ......167
Distance cont rol
see Active Dis tance Assi stDISTRONIC
Di stance recorder
see Trip dis tance
DI STRO NIC
see Active Dis tance Assi stDISTRONIC
Door Locking (emergency key) .................... 45
Un locking (emer gency key) ................ 45
Door cont rol panel ................................ .14 312
Index
DO
T,Tire Identification Number
(TIN) ....................................................... 24 4
Drinking and driving ............................105
Drive Away Assist .................................1 54
Driver's seat see Seats
Driving characteristics (unusual) ....... 232
Driving instructions Foreign trip (information) .................. 107
Driving light see Automatic driving lights
Driving no tes
Tr ansport byrail .............................. .108
Driving Saf ety Sy stem
ABS (Anti-lock Braking Sy stem) ........ 137
ASR (acceleration skid control) ........ 137
BA S (Brake Assi stSystem) ............... 137
EBD (electronic brake forc e distri‐
bution) ..............................................1 39
ESP ®
Crosswind Assist ..................... 13 8
ESP ®
trailer stabilization .................. 13 9
Overview .......................................... 137
Ra dar sensors .................................. 13 6
Re sponsibility ................................... 13 6
Driving saf ety sy stem
see Active Brake Assi st
see ESP ®
(Electronic Stability Prog ram)
Driving sy stem
see 360° Camera
see Active Dis tance Assi stDISTRONIC
see Active Lane Keeping Assist
see ATTENTION ASSIST
see Blind Spot Assist
see Cruise control
see HOLD function
see Lane Keeping Assist
see Parking Assist PARKTRONIC
see Rear view camera
Driving tips Brake subject toload ...................... .108
Braking ............................................. 108
Breaking-in no tes ............................. 105
Downhill gradient ............................. 108
Drinking and driving ........................ .105
Driving abroad (symmetrical low
beam) ................................................. 79
Driving in winter ................................ 11 0
Driving off-road ................................. 11 0
Driving on flooded roads .................. 109
Driving on wetro ads ........................ 109
Gene ral driving tips .......................... 105Hyd
roplaning .................................... 109
New brake discs and brake pads/
linings ............................................... 108
Pa rking brake .................................. .108
We tro ad sur faces ............................ 108
Dr ow siness de tection
see ATTENTION ASSIST
DSR (Downhill Speed Regulation)
Ac tivating/deactivating .................... 12 0
No tes ................................................ 12 0
Dual-zone au tomatic climate con‐
trol (control panel) ................................. 94 E
E10 ........................................................ 264
EBD (electronic brake forc e distri‐
bution) .................................................. .139
ECO display Function ............................................ 11 3
Re setting .......................................... 16 8
Electric pa rking brake .......................... 13 4
App lying automatically .................... .134
Applying or releasing manually ........ .135
Emer gency braking .......................... .136
No tes ................................................ 13 4
Re leasing automatically .................... 13 5
Electric sliding door Function ............................................. 46
Opening wi thbutton ...........................47
Opening with the door handle ............ 48
Opening/closing with theke y ............ 48
Prog ramming theke y ........................ .48
Re setting ............................................ 49
Un locking manually ............................ 49
Electrical closing assist Notes .................................................46
Electrical consum ption
Ke y .................................................... .42
Electrical fuses see Fuses
Electrical step
Emer gency release ............................ .52
Extending/r etra cting .......................... 52
Fu nction ............................................. 52
Obs tacle ............................................. 52
Pr eve nting extending ......................... .52
Electronic Stability Prog ram
see ESP ®
(Electronic Stability Prog ram)
Electronics ............................................ 260 Index
313