2018 MERCEDES-BENZ E-CLASS CABRIOLET Owner's Manual

Engine
Warning/indicator lamp
Possible causes/consequences and 0050Solutions
00B9
Engine diagnosiswarning
lamp The
yellow Check Engine 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 value may ha vebeen exceeded and the engine may be running in eme rgency operation mode.
In some states, legal requ irements stipulate that you must immediately consult a qualified specialist workshop as soon
as theye llow Check Engine warning lamp lights up.
00BBHa ve theve hicle checked as soon as possible at a qualified specialist workshop.
003D
Electrical malfunction warn‐
ing lamp The
red electri calfault warning lamp is lit.
There is a fault inthe electrics.00BBObser vethe messages in the multifunction displa y.
00B6
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.00BBClose the fuel filler cap.
If th e fuel filler cap has already been closed cor rectly:
00BBVisit a qualified specialist workshop.
Display messages and warning/indicator lamps 455

Warning/indicator lamp
Possible causes/consequences and 0050Solutions
00B6
Fuelreser ve wa rning lamp The
yellow fuel reser vewarning lamp is lit while the engine is running.
The fuel supply has dropped into there ser verange.00BBRe fuel.
456
Display message s andwarning/indicator lamps

Warning/indicator lamp
Possible causes/consequences and 0050Solutions
00AC
Coolantwarning lamp The
red coolant warning lamp is lit while the engine is running.
Po ssible causes are:RThe temp erature sensor is malfunctioning
RCoolant le velto o 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 the maximum permissible temp erature.
0071
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.
00BBBefore opening the hood, allow the engine tocool down.
00BBIntheeve nt of a fire inthe engine compartment, keep the hood closed and call thefire service.
00BBPull 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.
00BBObser 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:
00BBConsult a qualified specialist workshop.
Display messages and warning/indicator lamps 457

Warning/indicator lamp
Possible causes/consequences and 0050Solutions
Otherwise:
00BBLea vetheve hicle and keep a safe dis tance from theve hicle until the engine has cooled down.
00BBCheck the coolant le vel.
00BBMake sure that the air supply tothera diator is not obstructed.
00BBAv 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 there d area.
458
Display messages and warning/indicator lamps

Tire s
Wa rning/indicator lamp
Possible causes/consequences and 0050Solutions
0077
Tire pressure monitoring
sy stem warning lamp lights
up The
yellow tire pressure monitoring sy stem warning lamp (pressure loss/malfunction) is lit.
The tire pressure monitoring sy stem has de tected tire pressure loss in at least one of the tires.0071
WARNING Risk of an accident due toinsuf ficient tire pressure
Ti re pressures that are too low pose thefo llowing hazards:
RThe tires may bur st, especially as the load and vehicle speed increase.
RThe tires may wearexc essively and/or une venly, which may greatly impair tire traction.
RThe driving characteristics, as well as steering and braking, may be greatly impaired.
Yo u could then lose control of theve hicle.
00BBObser vethere commended tire pressure.
00BBAd just the tire pressure if necessar y.
00BBStop theve hicle, paying attention toroad and traf fic conditions.
00BBCheck the tire pressure and the tires.
Display messages and warning/indicator lamps 459

Warning/indicator lamp
Possible causes/consequences and 0050Solutions
0077
Tire pressure monitoring
sy stem warning lamp
fl ashes The
yellow tire pressure monitoring sy stem warning lamp (pressure loss/malfunction) flashes for app roxima tely one
minute and then remains lit.
The tire pressure monitoring system is malfunctioning.0071
WARNING Thereis arisk of an accident if the tire pressure monitoring sy stem is malfunctioning
If th e tire pressure monitoring sy stem is malfunctioning, it is not able toissue a warning if there is pressure loss in
one or more of the tires.
Un derinflated tires ma y,forex ample, impair the driving, steering and braking characteristics.
00BBHa ve the tire pressure monitoring sy stem checked at a qualified specialist workshop.
00BBConsult a qualified specialist workshop.
460
Display messages and warning/indicator lamps

1,2, 3 ...
12 V sock et
see Soc ket (12 V)
48 V on-board electrical sy stem
Operating saf ety .................................... 22
360° Camer a............................................ 181
Assigning as a favo rite ......................... 183
Care .................................................... 327
Fu nction ............................................... 181
Selecting a view ................................... 183
A
A/C function Activating/deactivating (control
panel) .................................................. 125
Ac tivating/deactivating (multimedia
sy stem) ................................................ 125
ABS (Anti-lock Brake Sy stem) ................ 154
Ac celeration
see Kickdown
Ac cess data
Editing ................................................ .287
Setting ................................................. 286 Ac
oustic locking verification signal
Ac tivating/deactivating ......................... 58
Ac tive Blind Spot Assi st.......................... 193
Ac tivating/deactivating .......................1 95
Brake application ................................. 193
Fu nction .............................................. 193
Sy stem limitations .............................. .193
To wing a trailer .................................... 193
Ac tive Brake Assi st
Fu nction/no tes ................................... 156
Setting ................................................. 159
Ac tive Di stance Assist DI STRONIC........ 162
Ac tive Emergency Stop Assist .............1 70
Ac tive Lane Change Assi st.................. 169
Callin g up a speed .............................. .164
Fu nction .............................................. 162
Increasing/decreasing speed ..............1 64
Re quirements ...................................... 164
St eering wheel buttons ........................ 164
St oring a speed ... ................................
164
Sw

itching off/deacti vating .................. 164
Switching on/activating ...................... 164
Sy stem limitations .............................. .162
Ac tive Eme rgency Stop Assist ...............170 Ac
tive hood (pedestrian pr otection) ......315
Me thod of operation ............................3 15
Re setting ............................................. 315
Ac tive Lane Change Assi st
Fu nction .............................................. 169
Ac tive Lane Keeping Assist .................... 195
Fu nction .............................................. 195
Sensitivity (function/no tes) ................. 198
Setting the sensitivity .......................... 198
Switching on/off ................................. 197
Sy stem limitations .............................. .195
Ac tive Parking Assist .............................. 184
Cross Traf fic Alert ................................ 189
Drive AwayAssist ................................ 188
Exiting a pa rking space ........................ 186
Fu nction .............................................. 184
Pa rking ................................................ 185
Sy stem limitations .............................. .184
Ac tive Speed Limit Assi st....................... 192
Setting ................................................. 192
Ac tive Steering Assist ............................ .167
Ac tivating/deactivating .......................1
68
Ac ti

ve Emergency Stop Assist .............1 70
Ac tive Lane Change Assi st.................. 169
Index 461

Function ............................................... 167
Sy stem limitations .............................. .167
Ad aptive cruise control
see Active Dis tance Assist DISTRONIC
Ad aptive Highbeam Assist
Fu nction ............................................... 114
Switching on/off .................................. 115
Ad ditive s.................................................. 389
Engine oil ............................................ 389
Fu el ..................................................... 389
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
®sur round sound sy stem ... .313
Ad justing the sound focus
Burmes ter
®sur round sound sy stem ... .313
ADS PL USdamp ing sy stem
see AIR BODY CONTROL Af
ter-sales service center
see ASS YST PLUS
Air bag ........................................................ 38
Ac tivation .............................................. 32
Fr ont air bag .......................................... 38
Head air bag .......................................... 38
Ins tallation locations ............................ .38
Knee air bag .......................................... 38
Overview ............................................... 38
Pr otection ............................................. .39
Re duced pr otection .............................. .40
Sid e i
mpact air bag ............................... 38
AIR BODY CONT ROL................................ .171
Setting ................................................. 173
Suspension .......................................... 171
Air conditioning sy stem
see Climate control
Air distribution ........................................ .124
Air freshener sy stem
see Frag rance sy stem
Air pressure see Tire pressure Air suspension
see AIR BODY CONTROL
Air vents ................................................... 128
Ad justing (front) .................................. 128
Ad justing (rear passenger compart‐
ment) ................................................... 129
Ad justing the AIRSCARF vents ............. 130
Glo vebox ............................................ .129
Air-recirculation mode ............................127
AIR CAP
Ac tivating .............................................. 79
Deactivating .......................................... 79
Ai rflow ...................................................... 124
AIRS CARF
Ac tivating/deactivating ......................... 94
AIRS CARF vents
Setting ................................................ .130
Alarm see Panic alarm
Alarm sy stem
see ATA (anti-theft alarm sy stem)
Alternative route
see Route
462
Index