2020 MERCEDES-BENZ C-CLASS ESTATE battery

Mercedes me connect
Display messages
Possible causes/consequences and M MSolutions
Mercedes me connect
Services limited See Own-
er's Manual *T
hevehicle functions forfa ult de tection are restricted.
At least one of the main functions of the Mercedes me connect sy stem is malfunctioning. #
Obser vethe no tes on the diagnostics connection (/ page 29). #
Consult a qualified specialist workshop.
G Inoperative *A
t least one of the main functions of the Mercedes me connect sy stem or of the SOS emer gency call sy stem is
malfunctioning. #
Consult a qualified specialist workshop. Battery
Display messages
Possible causes/consequences and M MSolutions
# 12 V battery See Owner's
Manual *T
he engine is off and thech arge leve l is too lo w. #
Switch off electrical consumers that are not required.
To charge the12 V battery: #
Lea vethe engine running for a few minutes, or drive an extended di stance.
*I fth e message appears while the engine is running, this indicates an on-board elect rical sy stem malfunction. 492
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and M MSolutions #
Consult a qualified specialist workshop.
# See Owner's Manual *T
he12 V battery is not being charge d.
* NO
TEPossible engine damage if you continue driving #
Do not continue driving under any circum stances. #
Consult a qualified specialist workshop. #
Stop theve hicle immediately in accordance with the traf fic conditions and switch off the engine. #
Consult a qualified specialist workshop.
# Stop vehicle See Owner's
Manual *T
he12 V battery is no longer being charge d and thech arge leve l is too lo w.
* NO
TEPossible engine damage if you continue driving #
Do not continue driving under any circum stances. #
Consult a qualified specialist workshop. #
Stop theve hicle immediately in accordance with the traf fic conditions. Do not continue driving. #
Switch off the engine. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 493

Display messages
Possible causes/consequences and M MSolutions
# Stop vehicle Leave engine
running *T
he12 V battery charge leve l is too lo w. #
Stop theve hicle immediately in accordance with the traf fic conditions. Do not continue driving. #
Lea vethe engine running. #
Ifth e display message disappears: drive on. #
Ifth e display message does not disappear: consult a qualified specialist workshop.
Û 48 V battery See Owner's
Manual *T
he 48 V on-board electrical sy stem has function restrictions. Comfort functions may be restricted. #
Consult a qualified specialist workshop immediatel y.
Ý
Please wait 48 V battery
charging *T
he 48 V battery is dischar ged. You ha veswitched on the ignition while the12 V battery was being charge d with a
suitable charge r or while ano ther vehicle was pr oviding starting assis tance.
The discha rged 48 V battery is charge d automatically via thevo ltage con verter. Af ter a few minutes, theMotor can
be started again display message will be shown on the multifunction displa y. #
Start the engine. #
Drive theve hicle for a while tocharge the12 V battery and the 48 V battery af ter disconnecting thech arger
from theve hicle.
If th eMotor can be started again display message does not appear af ter a few minutes: 494
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and M MSolutions #
Tryto start the engine again. #
Ifth e engine does not start, consult a qualified specialist workshop.
Cannot start engine See
Owner's Manual *T
hecharge leve l of the 48 V battery is too lo w.You can no lon gerst art the engine. #
Switch off electrical consumers that are not required. #
Connect a suitable charge r appro vedfo r Mercedes-Benz with suf ficient charge output tothe jump-s tart connec‐
tion point of the12 V battery (/ page 406).
The 48 V battery is charge d via thevo ltage con verter in theve hicle.
Motor can be started again *T
he 48 V battery has been charge d automatically via thevo ltage con verter. #
Start the engine and drive theve hicle for a while tocharge the12 V battery and the 48 V batter y. Ty
re pressure moni tor Display messages
Possible causes/consequences and M MSolutions
Tyre press. monitor cur-
rently unavailable *T
here is inter fere nce from a po werful radio signal source. As a result, no signals from the tyre pressure sensors are
being recei ved. The tyre pressure monitoring sy stem is temp orarily una vailable.
The tyre pressure monitoring sy stem will restart automatically as soon as the cause has been rectified. #
Drive on.
Tyre press. monitor inoper-
ative *T
he tyre pressure monitoring sy stem is malfunctioning. Display messages and
warning/indicator lamps 495

1,
2, 3 ...
4MATIC Function................................................ 17 9
12 V battery
see Battery (vehicle)
12 V so cket
see Soc ket (12 V)
48 V on-board electrical sy stem
Operating saf ety...................................... 23
230 V soc ket
see Soc ket (230 V)
360° Camera Button................................................... 233
Care...................................................... 390
Fu nction................................................ 230
Opening the camera co ver (r eve rsing
camera)................................................. 234
Selecting a view................................... .233
Setting favo urites.................................. 234
Swit ching automatic operation
on/off (r eversing camera).................... .233 A
A/C function Activating/deactivating (MBUX mul‐
timedia sy stem).....................................1 53
Switching on/off (control panel)........... 15 2
ABS (Anti-lock Braking Sy stem) .............. .194
Ac celeration
see Kickdown
Ac cess data
Editing (Blue tooth®
)...............................3 49
Setting (Blu etoo th®
).............................. 348
Ac cident and Breakdown Manage‐
ment
Mercedes me connect...........................3 42
Ac oustic locking verification signal
Ac tivating/deactivating........................... 74
Ac tivating/deactivating automatic
vo lume adjustment
Burmes ter®
sur round sound sy stem...... 376
Ac tive Blind Spot Assi st
Brake application................................... 221
Fu nction................................................. 219
Sy stem limitations................................. 219Tr
ailer operatio n.................................... 221
Ac tive bonn et(pedestrian pr otection)
Operation.............................................. 379
Re setting...............................................3 79
Ac tive Brake Assi st
Fu nction/no tes...................................... 213
Setting................................................... 217
Ac tive Di stance Assist DISTRO NIC
Ac tive Emergency Stop Assis t................ 212
Calling up a spee d................................. 206
Fu nction................................................ 203
Increasing/decreasing speed................ 206
Re quirements:...................................... .206
Ro ute-based speed adap tatio n.............. 208
Selecting............................................... 206
St eering wheel buttons......................... 206
St oring a speed.....................................2 06
Switching off/deactivating.................... 206
Switching on/activating........................ 206
Sy stem limitations.................................2 03
Ac tive Eme rgency Stop Assist .................. 212
Ac tive headlamps...................................... 13 2
Ac tive Lane Keeping Assist
Ac tivating/deactivating......................... 224 Index
519

Anticipatory occupant pr
otection
see PRE- SAFE®
(anticipatory occu‐
pant pr otection)
see PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus)
Apple CarPlay ®
Connecting an iPhone ®
.........................3 34
Ending................................................... 335
No tes....................................................3 34
Overview............................................... 334
Sound settings...................................... 335
Tr ans ferred vehicle data........................3 37
Assistance sy stems
see Driving saf ety sy stem
ASS YST PLUS
Battery disconnection pe riods...............3 79
Displ aying the service due dat e............. 378
Fu nction/no tes..................................... 378
Re gular maintenance work.................... 378
Special service requirements............... .378
ATA (anti-theft ala rmsystem)
Deactivating the alarm............................ 94
Fu nction.................................................. 94
Fu nction of interior pr otection................. 95 Priming/deactivating interior pr
otec‐
tion.......................................................... 96
Priming/deactivating tow- aw ay pro‐
te ction..................................................... 95
To w- aw ay protection function.................. 94
AT TENTION ASSI ST
Fu nction................................................ 19 9
Setting................................................... 200
Sy stem limitations................................. 19 9
At tention assistant
see ATTENTION ASSIST
Au dio mode
Connecting USB device s....................... 355
Co pyrights............................................. 353
Information............................................ 352
Inserting/re moving an SD car d............. 354
Media sea rch.........................................3 59
Overview............................................... 355
Pa use and playback function................ .356
Selecting a track................................... 356
Selecting playba ckoptions.................... 356
Switching on media mode..................... 354
Tr ack list............................................... .356 Au
thorised workshop
see Qualified specialist workshop
Au tomatic distance control
see Active Dis tance Assi stDISTRONIC
Au tomatic driving lights ...........................12 9
Au tomatic engine start (ECO start/
sto p function)............................................ 16 8
Au tomatic engine stop (ECO start/
sto p function)............................................ 16 8
Au tomatic front passen ger front air‐
bag deacti vation sy stem
see Automatic front passenger front
airbag shutoff
Au tomatic front passen ger front air‐
bag shu toff
Fu nction of the automatic front
passenger front airbag deactivation
sy stem..................................................... 46
PA SSENGER AIR BAG indicator lamp....... 48
Au tomatic mir rorfo lding function
Ac tivating/deactivating......................... 15 0
Au tomatic transmission
DIRECT SELECT le ver............................. 174522
Index

Drive program display............................
173
Drive programs...................................... 172
DY NA MIC SELECT switch...................... 172
Engaging drive position.......................... 176
Engaging neutral.................................... 175
Engaging pa rkposition.......................... 176
Engaging reve rsege ar........................... 175
Kickdown............................................... 178
Manual gear changing.......................... .177
St eering wheel gearshift paddles...........1 77
Tr ansmission position displa y................ 174
Tr ansmission position s..........................174
Au tomatic transmission (problem)
see Transmission (problem)
Axle load Perm issible............................................ 435
Tr ailer operation.................................... 449B
Bag hook..................................................... 11 9
Ball neck Folding out/in....................................... 24 4
BA S (Brake Assist Sy stem)....................... 194Battery
Key.......................................................... 75
Re mo tecontrol (s tationary heater)........ 15 8
Battery see Battery (vehicle)
Battery (vehicle) Charging................................................ 406
Charging (Remo teOnline)...................... 16 3
No tes....................................................4 02
No tes (s tarting assis tance and
ch arging)............................................... 404
Re placing.............................................. 408
St arting assis tance................................ 406
Belt see Seat belt
Bic ycle rack
Load capacity........................................ 449
Tr ailer operation.................................... 24 8
Blind Spot Assi st
Ac tivating/deactivating......................... 222
Fu nction................................................. 219
Sy stem limitations................................. 219
Blo wer
see Climate control BlueTEC
see AdBlue ®
Blue tooth ®
Information............................................ 282
Setting up an Internet connection.........3 48
Switching on/off.................................. .282
Switching profile (DUN/PAN)................ 348
Blue tooth ®
audio
Ac tivating.............................................. 363
De-authorising (de-regis tering) the
device.................................................... 364
Information............................................ 361
Overview............................................... 362
Sear ching for a track............................. 364
Sear ching for and auth orisingthe
device.................................................... 362
Selecting a media pla yer....................... 363
Switching device via NFC...................... 364
Bonnet Resetting (active bonnet)....................... 379
Boot lid see Tailgate
Brake Assist Sy stem
see BAS (Brake Assi stSystem) Index
523

Exterior lighting....................................
.390
High-p ressure cleaner........................... 388
Matt finis h............................................. 389
Pa int wo rk.............................................. 389
Plastic trim............................................ 391
Re alwo od/trim elements......................3 91
Re versing camera................................. .390
Ro of lining.............................................3 91
Seat belt................................................ 391
Seat co ver............................................. 391
Senso rs................................................. 390
St eering wheel....................................... 391
Ta ilpipes................................................ 390
Tr ailer hit ch........................................... 390
Wa shing byhand................................... 388
Wheels/rims.........................................3 90
Wi ndo ws................................................ 390
Wi per blades.........................................3 90
Carpet (Care).............................................. 391
Changing bulbs Dipped beam......................................... 14 0
Fitting/removing co ver (front wheel
ar ch )...................................................... 13 9
Main beam............................................ 14 0
No tes..................................................... 13 8Opening/closing
the side trim panels.. .140
Overview.............................................. .138
Re versing lights...................................... 141
Tu rn signal light (front).......................... 14 0
Tu rn signal lights (rear).......................... 141
Changing gears
Manually. ............................................... 17 7
Changing hub caps .................................. .426
Changing the lights
Driving abroad (symm etrical low
beam)................................................... .128
Charging Battery (vehicle).................................... 406
USB port................................................ 124
Chassis Damping characteristics....................... .225
DY NA MIC BODY CONTROL.................... 225
Child saf ety lock
Re ar door................................................ 70
Re ar side wind ows................................... 71
Child seat App rova l categories................................ .57
At tach ing (no tes).....................................57 Basic instructions.................................... 52
Fr
ont passenger seat (no tes)...................68
Fr ont passenger seat (without auto‐
matic airbag shutoff)...............................67
ISOFIX/i-Size (fitting)............................... 61
No tes on risks and dangers..................... 53
Re commended child restra int sy stems.... 56
Seats suitable for belt-secu redch ild
re stra int sy stems..................................... 64
Seats suitable for i‑Size child
re stra int sy stems..................................... 60
Seats suitable for ISOFIX child
re stra int sy stems..................................... 59
Securing on the co-driver seat................69
Secu ring on there ar seat........................ 66
To pTe ther............................................... 63
Children Avoiding dangers in theve hicle............... 53
Basic instructions.................................... 52
Chock Storage location.................................... 425
Chock see Chock Index
525