2020 MERCEDES-BENZ E-CLASS SALOON ECU

Display messages
Possible causes/consequences and M
MSolutions #
Where necessar y,also secure the par kedve hicle against rolling away.
* The yellow ! indicator lamp and there d! indicator lamp are lit. The elect ric pa rking brake is malfunction‐
ing.
To release: #
Swit chthe ignition off and switch it back on. #
Release the electric parking brake manually (/ page184).
or #
Release the electric parking brake automatically (/ page183).
If it is still not possible torelease the electric parking brake: #
Do not continue driving. Consult a qualified specialist workshop.
* The yellow ! indicator lamp is lit and there d! indicator lamp is flashing. The electric parking brake is mal‐
functioning.
The electric parking brake could not be applied or released. #
Swit chthe ignition off and switch it back on.
To appl y: #
Release and then apply the electric parking brake manually (/ page184).
To release: #
Apply and then release the electric parking brake manuall y.390
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
If it is not possible toapply the electric parking brake or there d! indicator lamp continues toflash: #
Do not continue driving. Consult a qualified specialist workshop. #
Where necessar y,also secure the par kedve hicle against rolling away.
* The yellow ! indicator lamp is lit and there d! indicator lamp flashes for appro ximately ten seconds af ter
th e electric parking brake has been applied or released. It then remains lit or goes out. The electric parking brake is
malfunctioning.
If th ech arge leve l is too lo w: #
Char gethe12 V batter y.
To appl y: #
Switch the ignition off.
The electric parking brake will be applied automaticall y.
If yo u do not wantthe electric parking brake tobe applied, e.g. at an automatic car wash or when theve hicle is
being towe d, lea vethe ignition switched on. This does not include having theve hicle towe d with there ar axle
ra ised.
If th e electric parking brake is not applied automatically: #
Switch the ignition off and switch it back on. #
Release and then apply the electric parking brake manually (/ page184).
If it is still not possible toapply the electric parking brake: Display messages and
warning/indicator lamps 391

Display messages
Possible causes/consequences and M
MSolutions #
Consult a qualified specialist workshop. #
Where necessar y,also secure the par kedve hicle against rolling away.
To release: #
Ifth e conditions for auto matic release are fulfilled and the electric parking brake is not released automaticall y,
re lease the electric parking brake manually (/ page184).
If it is still not possible torelease the electric parking brake: #
Do not continue driving. Consult a qualified specialist workshop.
! Release parking brake *
The red! indicator lamp is flashing.
The electric parking brake is applied while you are driving:
R A condition for auto matic release of the electric parking brake has not been fulfilled (/ page183).
R You are per form ing emer gency braking using the electric parking brake (/ page184). #
Che ckthe conditions for auto matic release of the electric parking brake. #
Release the electric parking brake manually. 392
Display messages and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
ü Seat belt warning lamp
lights up The
red seat belt warning lamp lights up once the engine has star ted.
In addition, an intermittent warning tone may sound.
*T he red seat belt warning lamp reminds the driver and front passenger tofast entheir seat belts. #
Fasten your seat belt (/ page 39).
If yo u ha veplaced objects on the front passenger seat, there d seat belt warning lamp may remain lit. Ve
hicle Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
ï Tr ailer tow hit chwarning
lamp The
red trailer hitch warning lamp is lit.
*The trailer hitch is not operational or is swivelling. &
WARNING Risk of an accident if the ball neck is not loc ked
The trailer may become de tach ed. #
Stop theve hicle immediately in accordance with the traf fic conditions. Do not continue driving. #
Uncouple the trailer and secure it against rolling away. #
Initiate a new swivel mo vement and do not re-couple the trailer until thewa rning/indicator lamp goes out. #
Notethe messages on the multifunction displa y. Displ
aymessa ges and warning/indicator lamps 427

Matt
finish ........................................... 309
Pa int wo rk ............................................ 309
Plastic trim ........................................... 312
Re alwo od/trim elements .................... 312
Re versing camera ................................ 310
Ro of lining ............................................ 312
Seat belt .............................................. 312
Seat co ver ............................................ 312
Senso rs............................................... 310
St eering wheel .....................................3 12
Ta ilpipes .............................................. .310
Tr ailer hit ch.......................................... 310
Wa shing byhand ................................. 309
Wheels/rims ........................................3 10
Wi ndo ws .............................................. 310
Wi per blades ........................................ 310
Carpet (Care) ............................................ 312
Changing gears ........................................ 17 0
Manually ..............................................1 70
Changing hub caps ................................. 345
Changing the lights
Driving abroad (symm etrical low
beam) .................................................. 12 6Cha
rging
Bat tery (vehicle) .................................. 326
Mobile phone (wireless) .......................1 22
USB port .............................................. 12 2
Chassis Damping characteristics ...................... 211
DY NA MIC BODY CONTROL .................. 211
Chassis le vel (AIR BODY CONT ROL)
Setting ................................................ .212
Child saf ety lock
Re ar door .............................................. .67
Re ar side wind ows................................. 69
Child seat Appr oval categories .............................. .55
At tach ing (no tes) ................................... 55
Basic instructions ..................................50
Fr ont passenger seat (no tes) ................. 66
Fr ont passenger seat (without auto‐
matic airbag shutoff) ............................. 65
ISOFIX/i-Size (fitting) ............................59
No tes on risks and dangers ...................51
Re commended child restra int sys‐
te ms ...................................................... 54Seats suitable
for belt-secu redch ild
re stra int sy stems ................................... 62
Seats suitable for i‑Size child
re stra int sy stems ................................... 58
Seats suitable for ISOFIX child
re stra int sy stems ................................... 57
Secu ring on the co-driver seat .............. 66
Securing on there ar seat ...................... 64
To pTe ther ..............................................61
Child ren
Av oiding dangers in theve hicle .............. 51
Basic instructions .................................. 50
Cho ck....................................................... 344
St orage location ..................................3 44
Chock see Chock
City lighting .............................................. 131
Cleaning see Care
Climate control ........................................ 14 3
Ac tivating/deactivating the A/C
function (cont rol panel) ...................... .144
Ac tivating/deactivating the A/C
function (MBUX multimedia sy stem) ... 14 5 444
Index

Switching on/off ................................. 254
Headlamp flashing .................................. 12 8
Headlamps see Automatic driving lights
Heating see Climate control
Help call see Mercedes-Benz emergency call sy stem
High beam Activating/deactivating ...................... .128
Ad aptive Highbeam Assist .................. .131
Ad aptive Highbeam Assist Plus .......... .132
High-pressure cleaner (care) ................. 308
Hill Start Assist ....................................... 209
HOLD function ......................................... 210
Fu nction/no tes .................................... 210
Switching on/off ................................. 210
Home screen (media display) Overview ............................................. 257
Hooking the luggage net .........................116 I
i-Size child seat securing sy stem
Fitting .................................................... 59
i‑Size child seat securing sy stem
Seats suitable for attaching ................... 58
Identification plate Engine ................................................. 353
Vehicle ................................................ 353
Ignition Switching on (S tart/S top button) ........ 154
Ignition key
see Key
Immobiliser ................................................ 93
Implied warranty
Ve hicle ................................................... 31
In-Car Of fice ............................................ .284
Fe atures .............................................. 284
Indicator lamps see Warning/indicator lamps
Individual drive prog ram
Con figuring .......................................... 167
Selecting .............................................. 167Inspection
see AS SYST PLUS
Instrument clus ter
Fu nction/no tes ........................... 248, 24 9
Instrument display Function/no tes ................................... 24 9
Instrument clus ter ................................. 10
Wa rning/indicator lamps .................... .424
Instrument display and on-board
compu ter
Fu nction/no tes ................................... 24 8
Intelligent Light Sy stem
Ac tive headla mps ................................ 12 9
Ad aptive Highbeam Assist .................. .131
Ad aptive Highbeam Assist Plus .......... .132
Ad versewe ather light .......................... 131
City lighting .......................................... 131
Corne ring light ..................................... 12 9
Fo g light (extended range) ................... 13 0
Mo torw ay mode ................................... 13 0
Overview ............................................. 12 9
Switching on/off ................................. 131
Interior lighting ........................................ 13 5
Ambient lighting .................................. 13 5 Index
455

Re
ading light ........................................ 13 5
Setting ................................................. 13 5
Switch-off del aytime ........................... 13 6
Interior pr otection
Fu nction ................................................ 94
Priming/deactivating ............................. 95
Internet radio
see TuneIn
Ionisation Activating/deactivating (MBUX mul‐
timedia sy stem) ................................... 14 6
iPhone ®
see Smartphone integ ration
ISOFIX child seat securing sy stem
Fitting .................................................... 59
Seats suitable for attaching ................... 57J
Jack Declaration of conformity ......................27
St orage location ..................................3 44
Jump-start connection ............................326
Gene ral no tes ...................................... 324 K
Ke y.............................................................. 71
Ac oustic locking verification signal ........ 72
Battery ................................................... 73
Emergency key ...................................... 72
Energy consumption .............................. 72
Fe atures ................................................ 71
Ke yring attachment .............................. 72
Overview ................................................ 71
Problem .................................................74
Un locking setting .................................. .72
Ke y functions
Deactivating .......................................... 72
KEYLESS-GO Locking theve hicle ................................ 76
Problem .................................................77
Un locking setting .................................. .72
Un locking theve hicle ............................76
Kickd own.................................................. 171
Using ................................................... 171
Knee airbag ................................................ 41 L
Lamp see In terior lighting
Lamps (instrument display) see Warning/indicator lamps
Lane de tection (au tomatic)
see Active Lane Keeping Assist
Lane Keeping Assist
see Active Lane Keeping Assist
Le vel control sy stem
see AIR BODY CONTROL
Light switch Overview .............................................1 26
Lighting see Interior lighting
see Lights
Lights ........................................................ 12 6
Ac tive headla mps ................................ 12 9
Ad aptive Highbeam Assist .................. .131
Ad aptive Highbeam Assist Plus .......... .132
Ad versewe ather light .......................... 131
Au tomatic driving lights ....................... 127
City lighting .......................................... 131456
Index

Combination swit
ch............................. 12 8
Corne ring light ..................................... 12 9
Driving ab road (symm etrical low
beam) .................................................. 12 6
Fo g light (extended range) ................... 13 0
Haza rdwa rning lights .......................... 12 8
Headla mpflashing .............................. .128
High beam .......................................... .128
Intelligent Light Sy stem ....................... 12 9
Light switch .........................................1 26
Low beam ............................................ 12 6
Mo torw ay mode ................................... 13 0
Pa rking lights ...................................... .126
Re ar fog light ....................................... 12 6
Re sponsibility for lighting sy stems .......1 26
Setting the dipped beam ..................... 13 4
Setting theex terior lighting switch-
off delay time ...................................... 13 4
St anding lights .................................... .126
Switching the sur round lighting
on/off ................................................ .134
Tu rn signal indicator ............................1 28
Limi ter ...................................................... 197
Ac tivating ............................................ .197
Buttons ................................................ 197Calling up a speed ..............................
.197
Deactivating ......................................... 197
Fu nction .............................................. 197
Pa ssive mode ....................................... 197
Pe rm anent setting .............................. .199
Re quirements ...................................... 197
Selecting .............................................. 197
Setting a speed .................................... 197
St oring a speed .................................... 197
Sy stem limitations ...............................1 97
Limiting speed see Limiter
LINGU ATRO NIC
Fu nction .............................................. 260
St arting .............................................. .260
Live Traf fic Information
Swit ching the tra ffic information dis‐
play on ................................................ .274
Loading .................................................... .116
No tes ................................................... 111
Ro of luggage rack ................................ 11 9
Ti e-down eyes ...................................... 11 6
Loading guidelines ...................................111 Loads
Securing .............................................. .111
Locking/unlocking Activating/deactivating the auto‐
matic locking feature ............................ .77
Ad ditional door lock ...............................74
Digital Vehicle Keyst icke r ...................... 76
Emergency key ...................................... 78
KEYLESS-GO .......................................... 76
Un locking/opening the doors from
th e inside ............................................... 75
Low beam Swit ching on/off ................................ .126
Symmetrical low beam ........................ 12 6
Lu bricant additives
see Additives
Lu ggage
Lu ggage net ......................................... 11 6
Secu ring ............................................... 111
Lu mbar support
see Lumbar support (4-w ay)
Lu mbar support (4-w ay)........................ .100 Index
457