2020 MERCEDES-BENZ E-CLASS COUPE air condition

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
If th e trailer hitch is swivelling: #
Wait until the ball neck has reached the operational position.
Ù
Po we rst eering warning
lamp (red) The
red po werst eering sy stem warning lamp is lit while the engine is running.
*The po wer assi stance or thesteering itself is malfunctioning. &
WARNING Risk of accident if steering capability is impaired
If th esteering does not function as intended, theve hicle's operating saf ety is jeopardised. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. Do
not continue driving under any circums tances. #
Consult a qualified specialist workshop. #
Notethe messages on the multifunction displa y.Engine
Wa
rning/indicator lamp
Possible causes/consequences and M MSolutions
ÿ Coolant warning lamp The
red coolant warning lamp is lit while the engine is running.
*Possible causes: R The temp erature sensor is malfunctioning 422
Display messages and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
R The coolant le vel is too low
R The air supply tothera diator is obstructed
R The radiator fan is faulty
If th ere is an additional warning tone, the coolant temp erature has exceeded 120 °C. &
WARNING Danger of bu rns when opening the bonn et
If yo u open the engine bonn etwhen the engine has overheated or during a fire inthe engine compartment, you
could come into contact wi thhot gases or other escaping operating fluids. #
Before opening the bonn et, allow the engine tocool down. #
Intheeve nt of a fire inthe engine compartment, keep the engine bonn etclosed and call thefire service. #
Stop theve hicle immediately in accordance with the traf fic conditions and switch off the engine. Do not continue
driving. #
Notethe messages on the multifunction displa y.
If th e coolant temp erature display is at the lo wer end of thete mp erature scale: #
Consult a qualified specialist workshop.
or #
Exit theve hicle and keep a safe dis tance from it until the engine has cooled down. #
Check the coolant le vel (/ page 300). Display messages and
warning/indicator lamps 423

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions #
Stop in a safe location immediately. Do not continue driving! #
Consult a qualified specialist workshop. &
WARNING Risk of an accident due tolow brake fluid le vel
If th e brake fluid le vel is too lo w,the braking ef fect and the braking characteristics may be impaired. #
Stop theve hicle as soon as possible, paying attention toroad and traf fic conditions. Do not continue driv‐
ing. #
Consult a qualified specialist workshop. #
Do not top up the brake fluid. Driving sy
stems Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
L Wa rning lamp for dis tance
wa rning function The
red dis tancewarning lamp lights up while theve hicle is in motion.
*T he dis tance totheve hicle in front is too small forth e speed selected.
If th ere is an additional warning tone, you are approaching an obs tacle at too high a speed. #
Be prepared tobrake immediatel y. #
Increase the dis tance. Display messa
ges and warning/indicator lamps 427

Wa
rning/indicator lamp
Possible causes/consequences and M
MSolutions
The steerability and braking characteristics are heavily impaired and the braking dis tance may increase. In addi‐
tion, other driving saf ety sy stems are switched off. #
Drive on carefull y. #
Have the brake sy stem checked immediately at a qualified specialist workshop. ÷
ESP ®
wa rning lamp flashes The
yellow ESP ®
wa rning lamp flashes while theve hicle is in motion.
*O ne or more wheels has reached its grip limit (/ page185). #
Adapt your driving style to suit thero ad and weather conditions.
÷ ESP ®
wa rning lamp lights
up The
yellow ESP ®
wa rning lamp is lit while the engine is running.
* ESP ®
is malfunctioning.
Other driving sy stems and driving saf ety sy stems (e.g. BAS) may also be malfunctioning. #
Notethe messages on the multifunction displa y. &
WARNING Risk of skidding if ESP ®
is malfunctioning
If ESP ®
is malfunctioning, ESP ®
cannot car ryout vehicle stabilisation. In addition, other driving saf ety sy stems
are switched off. #
Drive on carefull y. #
Have ESP ®
ch ecked at a qualified specialist workshop. Display messages and
warning/indicator lamps 429

Ac
tive Se rvice Sy stem PLUS
see AS SYST PLUS
Ac tive Speed Limit Assi st....................... 201
Display ................................................. 201
Fu nction .............................................. 201
Ac tive Steering Assist ............................ .203
Ac tivating/deactivating ...................... .205
Ac tive Emergency Stop Assist .............2 05
Fu nction .............................................. 203
Sy stem limits ....................................... 203
Ac tive Traf fic Jam Assist
Ac tivating/deactivating ...................... .206
Fu nction .............................................. 206
Ad aptive brake lights ..............................19 3
Ad aptive cruise control
see Active Dis tance Assi stDISTRONIC
Ad aptive Highbeam Assist
Fu nction .............................................. 12 8
Switching on/off ................................. 12 9
Ad aptive Highbeam Assist Plus
Fu nction .............................................. 12 9
Switching on/off ................................. 131Ad
Blue ®
.................................................... 356
Ad ditives .............................................3 56
Capacity .............................................. 357
No tes ................................................... 173
Purity ................................................... 356
To pping up ...........................................1 74
Ad ditional door lo ck.................................. 73
Ad diti ves.................................................. 357
Ad Blue ®
............................................... 356
Engine oil ............................................. 357
Fu el ..................................................... 354
Ad diti ves (AdBlue ®
)
see AdBlue ®
Ad diti ves (engine oil)
see Additives
Ad diti ves (fuel)
see Fuel
ADS PLUS damping sy stem
see AIR BODY CONTROL
Ad versewe ather light ............................ .128
Af ter-sales service centre
see ASS YST PLUS AIR
BODY CONT ROL................................ 208
Setting ................................................ .209
Suspension .......................................... 208
Air conditioning menu Calling up ............................................ 14 2
Air distribution Setting ................................................ .141
Setting (MBUX multimedia sy stem) ..... 14 3
Air freshener sy stem
see Frag rance sy stem
Air inlet see Air-water duct
Air pressure see Tyre pressure
Air suspension see AIR BODY CONTROL
Air vents ................................................... 14 9
Ad justing (front) .................................. 14 9
Ad justing (rear) .................................... 15 0
Ad justing the AIRSCARF vents ............. 15 0
Air vents
see Air vents 434
Index

Air-conditioning sy
stem
see Climate control
Air-recirculation mode ............................14 4
Air-water duct .......................................... 302
Ke eping free ........................................3 02
Airbag ........................................................ .42
Ac tivation .............................................. 36
Fr ont airbag (driver, front passenger) ....42
Ins tallation locations ............................ .42
Knee airbag ........................................... 42
Overview ............................................... 42
PA SSENGER AIR BAG indicator lamp .... .47
Pr otection ..............................................43
Re duced pr otection ...............................44
Side airbag ............................................ 42
Wi ndow airbag ....................................... 42
Ai rflow
Setting ................................................ .141
AIRS CARF
Ad justing the outlets ........................... 15 0
Switching on/off ................................. 105
Alarm sy stem
see ATA (anti-theft alarm sy stem) All-wheel drive
see 4MATIC
Ambient lighting Setting (multimedia sy stem) ................1 32
Android Auto
see Smartphone integration
Animals Pets in theve hicle ................................. 69
Anti-lock braking sy stem
see ABS (Anti-lock Braking Sy stem)
Anti-skid chains
see Snow chains
Anti-theft pr otection
Ad ditional door lock .............................. 73
Immobiliser ............................................ 91
Anticipatory occupant pr otection
see PRE- SAFE®
(anticipatory occu‐
pant pr otection)
see PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus)
Apple CarPlay ®
see Smartphone integration Assistance sy
stems
see Driving saf ety sy stem
ASS YST PLUS ........................................... 295
Battery disconnection pe riods .............2 96
Displ aying the service due date ........... 295
Fu nction/no tes ................................... 295
Re gular maintenance work .................. 295
Special service requ irements .............. 295
ATA (anti-theft ala rmsystem) .................. .91
Deactivating the alarm .......................... 92
Fu nction ................................................ 91
Fu nction of interior pr otection ............... 93
Priming/deactivating interior pr otec‐
tion ........................................................ 93
Priming/deactivating tow- aw ay pro‐
te ction ................................................... 93
To w- aw ay protection function ................92
AT TENTION ASSI ST......................... 22 7, 228
Fu nction .............................................. 227
Setting ................................................. 228
Sy stem limitations ...............................2 27
At tention assistant
see ATTENTION ASSIST Index
435

Ac
tivating/deactivating the synchro‐
nisation function (MBUX multimedia
sy stem) ................................................ 14 3
Air-reci rculation mode ........................ .144
Au tomatic control ................................ 14 3
Calling up the air conditioning menu ... 14 2
Climate style function .......................... 14 3
Demi sting the windscreen ...................1 41
Demi sting windo ws............................. 14 4
Fr ont air vents ..................................... 14 9
Inserting/removing theflacon (fra‐
gr ance sy stem) .................................... 14 4
Ionisation ............................................. 14 4
No te ..................................................... 141
Re ar air vents ...................................... 15 0
Re sidual heat ....................................... 14 4
Setting (MBUX multimedia sy stem) ..... 14 2
Setting the air distribution ...................1 41
Setting the air flow ............................... 141
Setting the climate style ......................1 43
Setting the fragrance sy stem ............... 14 4
Setting thete mp erature ....................... 141
St ationary heater/ ventilation .............. 14 5
Switching on/off ................................. 14 2
Switching there ar wind owheater
on/off .................................................. 141THERMATIC contro
l panel .................... 141
THERMOTRONIC contro l panel ............141
Ve ntilating theve hicle (con venience
opening) ................................................ 85
Climate style
Fu nction .............................................. 14 3
Setting ................................................. 14 3
Cockpit ........................................................ .6
Overview .................................................6
Cof fee cup symbol
see ATTENTION ASSIST
Collision de tection (pa rked vehicle) ......181
Combination switch ................................12 5
Compu ter
see On-board computer
Consum ption indicator
Calling up ............................................ 16 6
Con venience closing ................................. 85
Con venience opening ................................ 85
Coolant (engine) Check le vel .......................................... 300
No tes .................................................. 359 Cooling
see Climate control
Co pyright ...................................................34
Cornering light ........................................ .126
Cross Traf fic Alert .................................. .226
Crosswind Assist Function/no tes .................................... 187
Cruise control .......................................... 19 3
Ac tivating ............................................ .194
Buttons ................................................ 194
Calling up a speed .............................. .194
Deactivating ........................................ 194
Fu nction .............................................. 19 3
Re quirements ...................................... 194
Selecting .............................................. 194
Setting a speed .................................... 194
St oring a speed .................................... 194
Sy stem limitations ...............................1 93 D
Dashboard see Cockpit Index
439