2018 MERCEDES-BENZ E-CLASS COUPE engine

Warning/indicator lamp
Possible causes/consequences and MSolutions
6
Restra int sy stem warning
lamp The
redre stra int sy stem warning lamp is lit while the engine is running.
The restra int sy stem is malfunctioning.&
WARNING Risk of injury orfata l injury due toa malfunction in there stra int sy stem
If th ere stra int sy stem is malfunctioning, restra int sy stem components may be triggered unintentionally or might not
be triggered at all in theeve nt of an accident. This may af fect the Emer gency Tensioning Device or airbag, forex am‐
ple.
#Ha ve there stra int sy stem checked and repaired immediately at a qualified specialist workshop.
#Drive on carefully.
#Obser vethe messages in the multifunction displa y.
#Visit a qualified specialist workshop immediatel y.
438
Display messages and warning/indicator lamps

Seat belts
Warning/indicator lamp
Possible causes/consequences and MSolutions
7
Seat beltwarning lamp
lights up Af
terst arting the engine, there d seat belt warning lamp lights up for 6 seconds.
In addition, an acou stic wa rning tone may sound.
The seat belt warning lamp reminds the driver and front passenger tofast entheir seat belts.#Fa sten your seat belt .
If yo u ha veplaced objects on the front passenger seat, thewa rning lamp may remain lit.
7
Seat belt warning lamp
fl ashes The
red seat belt warning lamp flashes and an intermitte ntwa rning tone sounds.
The driver or front passenger has not fastened their seat belt while theve hicle is in motion.#Fa sten your seat belt .
There are objects on the front passenger seat.
#Re mo vethe objects from the front passenger seat.
Display messages and warning/indicator lamps 439

Vehicle
Wa rning/indicator lamp
Possible causes/consequences and MSolutions
Ð
Powe rst eering sy stem
wa rning lamp The
red po werst eering sy stem warning lamp is lit 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 does not function as intended, theve hicle's operating saf etyis jeopardized.
#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.
#Obser vethe messages in the multifunction displa y.
Displaymessage s andwarning/indicator lamps 44
1

Engine
Warning/indicator lamp
Possible causes/consequences and MSolutions
;
Engine diagnosiswarning
lamp The
yellow engine diagnosis warning lamp is lit while the engine is running.
A malfunction has occurr ed inthe engine, theex haust sy stem or the fuel sy stem.
The emissions limit values may be exceeded and the engine may be running in emergency operation mode.
In some states, legal requ irements stipulate that you must immediately consult a qualified specialist workshop as soon
as theye llow engine diagnosis warning lamp lights up.
#Ha ve theve hicle checked as soon as possible at a qualified specialist workshop.
#
Electrical malfunction warn‐
ing lamp The
red electri cal malfunction warning lamp is lit.
There is a malfunction in the electrics.#Obser vethe messages in the multifunction displa y.
8
Fuelreser vewarning lamp The
yellow fuel reser ve wa rning lamp lights up while driving.
There has been pressure loss in the fuel sy stem. The fuel filler cap is not closed cor rectly or the fuel sy stem is leaking.#Close the fuel filler cap.
#If th e fuel filler cap was already proper lyclosed: consult a qualified specialist workshop.
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Displ aymessage s andwarning/indicator lamps

Warning/indicator lamp
Possible causes/consequences and MSolutions
8
Fuelreser ve wa rning lamp The
yellow fuel reser vewarning lamp is lit while the engine is running.
The fuel le vel has dropped into there ser verange.#Re fuel.
Display message s andwarning/indicator lamps 44
3

Warning/indicator lamp
Possible causes/consequences and MSolutions
?
Coolantwarning lamp The
red coolant warning lamp is lit while the engine is running.
Po ssible causes are:RThe temp erature sensor is malfunctioning
RThe coolant le vel is too low
RThe air supply tothera diator is obstructed
RThe radiator fan is de fective
If th ere is an additional warning tone, the coolant temp erature has exceeded 248 °F (120 °C).
&
WARNING Danger of burn s when opening the hood
If yo u open the hood when the engine has overheated or during a fire inthe engine compartment, you could come
into contact with 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.
#Pull over and stop theve hicle safely and switch off the engine, paying attention toroad and traf fic conditions. Do
not continue driving under any circums tances.
#Obser vethe messages in 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.
444
Displaymessage s andwarning/indicator lamps

Warning/indicator lamp
Possible causes/consequences and MSolutions
Otherwise:
#Lea vetheve hicle and keep a safe dis tance from theve hicle until the engine has cooled down.
#Check the coolant le vel .
#Make sure that the air supply tothera diator is not obstructed.
#Av oiding high loads on the engine, drive on tothe nearest qualified specialist workshop. In doing so, ensure that the
coolant temp erature display remains below 248 °F (120 °C).
Display message s andwarning/indicator lamps 44
5

1,2, 3 ...
12 V sock et
see Soc ket (12 V)
11 5 V soc ket
see Soc ket (1 15 V)
360° Camera ........................................... 182
Assigning as a favo rite ......................... 184
Care .................................................... .318
Fu nction .............................................. 182
Selecting a view ................................... 184
A
A/C function Activating/deactivating (control
panel) .................................................. 122
Ac tivating/deactivating (multimedia
sy stem) ................................................ 122
ABS (Anti-lock Braking Sy stem) ............ .151
Ac celeration
see Kickdown
Ac cess data
Editing ................................................ .281
Setting ................................................. 279 Ac
oustic locking verification signal
Swit ching on/off .................................. .56
Ac tive Blind Spot Assi st.......................... 198
Ac tivating/deactivating .......................2 00
Brake application ................................. 199
Fu nction/no tes ................................... 198
Sy stem limits ....................................... 198
To wing a trailer .................................... 199
Ac tive Brake Assi st................................. 155
Fu nction/no tes ................................... 155
Setting ................................................. 159
Ac tive Eme rgency Stop Assist ................ 171
Ac tive hood (pedestrian pr otection) ...... 309
Me thod of operation ............................3 09
Re setting ............................................. 309
Ac tive Lane Change Assi st..................... 170
Ac tive Lane Keeping Assist .................
... 201
Fu nction .............................................. 201
Sensitivity (function/no tes) ................. 203
Setting the sensitivity .......................... 204
Switching on/off ................................. 202
Sy stem limits ....................................... 201
To wing a trailer .................................... 201 Ad
aptive cruise control
see Dis tance Pilot DISTRONIC
Ad aptive Highbeam Assist
Fu nction ............................................... 111
Switching on/off .................................. 112
Ad ditive s.................................................. 378
Engine oil ............................................. 378
Fu el ..................................................... 378
Ad ditive s (engine oil)
see Additives
Ad ditive s (fuel)
see Fuel
Ad dress book
see Contacts
Ad justing the balance/ fader
Burmes ter
®high-end 3D sur round
sound sy stem ...................................... 307
Burmes ter
®sur round sound sy stem ... 306
Ad justing the sound focus
Burmes ter
®sur round sound sy stem ... 306
Ad justing the sound optimization
Burmes ter
®high-end 3D sur round
sound sy stem ...................................... 307
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Index