2018 MERCEDES-BENZ E-CLASS CABRIOLET engine oil

Display messages
Possible causes/consequences and M
MSolutions
Reserve fuel level Engine oil
Display messages
Possible causes/consequences and M
MSolutions
5 Engine oil level cannot be
measured *T
he electrical connection tothe oil le vel sensor has been inter rupte d or the oil le vel sensor is faulty. #
Consult a qualified specialist workshop.
4 Engine oil level Reduce oil
level *D
isplay message only for cer tain engines:
The engine oil le vel is too high.
* NO
TEEngine dama gecaused bydriving with excess engine oil #
Avoid long journe yswith excess engine oil. #
Consult a qualified specialist workshop immediately and ha vethe engine oil siphoned off.
4 *D
isplay message only for cer tain engines:
The engine oil le vel is too lo w. Displ
aymessa ges and warning/indicator lamps 501

Display messages
Possible causes/consequences and M
MSolutions
Engine oil level Stop vehi-
cle Switch engine off *
NO
TEEngine dama gecaused bydriving with insuf ficient engine oil #
Avoid long journe yswith insuf ficient engine oil. #
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. #
Switch off the engine. #
Add 1 l engine oil. #
Check the engine oil le vel.
To p up engine oil (→ page 396).
No tes on engine oil (→ page 465).
4 Engine oil pressure Stop
Switch off engine *D
isplay message only for cer tain engines:
The engine oil pressure is too lo w.
* NO
TEEngine dama gecaused bydriving with insuf ficient engine oil pressure #
Avoid driving with insuf ficient engine oil pressure. #
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. 502
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
4 Add 1 litre engine oil when
next refuelling *D
isplay message only for cer tain engines:
The engine oil le vel has dropped tothe minimum le vel.
* NO
TEEngine dama gecaused bydriving with insuf ficient engine oil #
Avoid long journe yswith insuf ficient engine oil. #
When next refuelling, add 1 litre of engine oil.
To p up engine oil (→ page 396).
No tes on engine oil (→ page 465).
4 Check eng. oil lev. when
next refuelling *T
he engine oil le vel has dropped tothe minimum le vel.
* NO
TEEngine dama gecaused bydriving with insuf ficient engine oil #
Avoid long journe yswith insuf ficient engine oil. #
Check the engine oil le vel when next refuelling.
To p up the engine oil (→ page 396).
No tes on engine oil (→ page 465). Display messages and
warning/indicator lamps 503

Ac
tive Lane Keeping Assist .................... 24 2
Ac tivating/deactivating ...................... .244
Ac tivating/deactivating thewa rning .... 24 5
Fu nction .............................................. 24 2
Setting the sensitivity .......................... 24 5
Sy stem limitations ...............................2 42
Ac tive Parking Assist .............................. 229
Cross Traf fic Alert ............................... 234
Drive AwayAssi st................................ 234
Exiting a pa rking space ...................... .232
Fu nction .............................................. 229
Manoeuvring assi stance ...................... 235
Pa rking ................................................ 230
Sy stem limitations ...............................2 29
Ac tive Se rvice Sy stem PLUS
see AS SYST PLUS
Ac tive Speed Limit Assi st....................... 205
Display ................................................ 205
Fu nction .............................................. 205
Ac tive Steering Assist ............................ .208
Ac tivating/deactivating ...................... .210
Ac tive Emergency Stop Assist .............. 211
Ac tive Lane Change Assi st................... 210
Displ ays in the instrument display .......2 12Fu
nction .............................................. 208
Sy stem limitations ...............................2 08
Ad aptive brake lights ..............................19 8
Ad aptive cruise control
see Active Dis tance Assi stDISTRONIC
Ad aptive functions, MULTIBEAM LED
see Intelligent Light Sy stem
Ad aptive Highbeam Assist Plus
Fu nction .............................................. 13 2
Switching on/off ................................. 13 3
Ad Blue ®
.................................................... 464
Ad ditives .............................................4 64
Capacity .............................................. 464
Fill le vel .............................................. .257
No tes ................................................... 176
Purity ................................................... 464
Ra nge .................................................. 257
To pping up ...........................................1 77
Ad ditional door lo ck.................................. 76
Ad ditional value range
Setting display content ........................ 255
Ad diti ves.................................................. 465
Ad Blue ®
............................................... 464 Engine oil ............................................ 465
Fu
el ..................................................... 462
Ad diti ves (AdBlue ®
)
see AdBlue ®
Ad diti ves (engine oil)
see Additives
Ad diti ves (fuel)
see Fuel
Ad dress book
see Contacts
Ad justing the balance/ fader
Burmes ter®
sur round sound sy stem ... 390
Ad justing the sound focus
Burmes ter®
sur round sound sy stem ... 390
Ad justing treble, mid- range and bass
settings
Burmes ter®
sur round sound sy stem ... 390
ADS PLUS damping sy stem
see AIR BODY CONTROL
Ad versewe ather light ............................ .132
Af ter-sales service centre
see ASS YST PLUS Index
541

¯
AdBlue sy stem fault Perf.
re duced: XXX mph No start in XXX
miles .................................................. .505
¯ AdBlue sy stem fault See Own‐
er's Manual ........................................ .504
4Ad d 1 litre engine oil when next
re fuelling ............................................. 503
Air conditioning Malfunction See
Owner's Manual .................................. 520
Apply brake todeselect Park (P)
position ...............................................5 07
App lybrake toselect R ....................... 508
ÀAT TENTION ASSIST inoperative ... 492
ÀAT TENTION ASSIS T:Take a
break! .................................................. 488
bAu tomatic driving lights inoper‐
ative .................................................... 524
Au xilia rybattery malfunction .............. 508
Beginning emer gency stop .................. 484 Blind Spot Assist cur
rently una vaila‐
ble See Owner's Manual ...................... 494
Blind Spot Assist inope rative ............... 488
Blind Spot Assi stnot available when
to wing a trailer See Owner's Manual ...4 91
Cann otstart engine See Owner's
Manual ................................................ 498
ÁChan gekey bat teries ...................5 14
J Check brake fluid le vel................ 477
Check brake pads See Owner's Man‐
ual ...................................................... .486
4Che ckeng. oil le v.when next
re fuelling ............................................. 503
ïChe cktrailer hitch lo ck(white
display message) .................................5 18
Check tyre pressures then restart
Ru n Flat Indicator ................................. 512
h Check tyre(s) .............................. .510
! Clean the fuel filter ...................... 497
J Close boot separator .................. 522 K
Convertible Top Operation pos‐
sible to60 km/h ................................. 522
?Coolant Stop vehicle Switch
engine off ............................................ 499
Cruise contro l and Limiter inope ra‐
tive ...................................................... 494
Cruise control inope rative ................... 494
Cruise control off ................................ 493
!cu rrently unavailable See Own‐
er's Manual .......................................... 479
÷ currently una vailable See Own‐
er's Manual .......................................... 473
5 Engine oil le vel cannot be
measured ............................................ 501
4Engine oil le velRe duce oil le vel...5 01
4 Engine oil le velSt op vehicle
Switch engine off ................................. 501
4Engine oil pressure Stop Switch
off engine ............................................ 502 Index
551

Electronic
Stability Prog ram
see ESP ®
(Electronic Stability Prog ram)
Emer gency
Fire extinguisher ................................. .414
Fir st-aid kit (so ftsided) ........................ 413
Overview of the help functions .............. 16
Re moving thewa rning triangle ............ .413
Saf etyve st ........................................... 412
Setting up thewa rning triangle ............ 413
Emer gency braking ................................. 185
Emer gency braking
see BAS (Brake Assi stSystem)
Emer gency call sy stem
see Mercedes-Benz emer gency call sy stem
Emer gency engine start .......................... 431
Emer gency key
Inserting/removing ................................ 74
Locking a door ....................................... 80
Un locking a door .................................. .80
Emer gency operation mode
St arting theve hicle ............................. 15 9
Emer gency spare wheel .........................4 53
No tes .................................................. 453 Re
moving ............................................ 454
ENERGIZI NGcomfort
Overview of programs ........................ .302
St arting the program ........................... 303
Engine ECO start/ stop function ......................1 63
Engine number ................................... .457
St arting (Digital Vehicle Keyst icke r) .... 15 8
St arting (eme rgency operation
mode) .................................................. 15 9
St arting (mobile phone) ...................... .158
St arting (Remo teOnline) ..................... 16 0
St arting (s tart/s top button) .................1 57
St arting assis tance .............................. 424
Switching off (s tart/s top button) ........ 17 9
Engine bonnet Function (active bonnet) ...................... 392
Opening/closing ................................. 393
Re setting (active bonnet) .................... 392
Engine data Displaying ............................................ 16 8
Engine electronics Notes .................................................. 455
Engine number ........................................4 57Engine oil
................................................ .396
Ad ditives .............................................4 65
Capacity .............................................. 465
Che cking the oil le vel using the oil
dipstick ............................................... 395
Checking the oil le vel using the on-
board computer ................................... 396
MB-Fr eigabe or MB-Appr oval .............. .465
Quality ................................................. 465
To pping up ...........................................3 96
Entering characters
Fu nction/no tes ................................... 288
On theto uchpad ................................ .289
Using the controller ............................. 289
EQ Boost ECO start/ stop function (operation) ....1 63
Glide mode .......................................... 172
Operating saf ety .................................... 21
Qualified specialist workshop ................25
ERA-GLONASS test mode
St arting/ending .................................. 356
ESC (Elect ronic Stability Control)
see ESP ®
(Electronic Stability Prog ram) 556
Index

Ne
utral
Engaging .............................................. 17 0
NFC see Near Field Communication (NFC)
No n-operational time
Ac tivating/deactivating standby
mode .................................................. .186
St andby mode function ...................... .186 O
Occupant saf ety
Pe ts in theve hicle ................................. 70
Occupant saf ety
see Airbag
see Automatic front passenger front
airbag shutoff
see PRE-SAFE ®
(anticipatory occu‐
pant pr otection)
see PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus)
see Restra int sy stem
see Seat belt
Odome ter
see Total dis tance Oil
see Engine oil
On-board co mputer ................................. 254
Assis tant displ aymenu ........................ 257
Displaying the service due date ........... 391
Head-up display menu .........................2 63
Media menu ........................................ 262
Menu designs ...................................... 255
Menu overview .................................... 254
Multifunction display .......................... .256
Na vigation menu ................................. 260
Operating ............................................ 254
Ra dio menu .......................................... 261
Service menu ...................................... 257
Te lephone menu .................................. 262
Tr ip menu ............................................ 258
On-boa rddiagno stics inter face
see Diagno stics connection
On-boa rdelectronics
Engine electronics .............................. .455
No tes .................................................. 455
Tw o-w ayradios .................................... 455
Open-source software .............................. 29 Opening
the boot lid using your foot
HANDS-FREE ACCESS .......................... .82
Operating fluids
Ad Blue ®
............................................... 464
Ad ditives (fuel) .................................... 462
Brake fluid .......................................... .466
Coolant (engine) .................................. 467
Engine oil ............................................ 465
Fu el (diesel) ......................................... 462
Fu el (petrol) ......................................... 461
No tes .................................................. 459
Wi ndsc reen washer fluid .................... .467
Operating saf ety
48 V on-boa rdelectrical sy stem ............ 21
Declaration of Conformity (electro‐
magnetic compatibility) ........................ .23
Declaration of conformity (ja ck) ............ 23
Declaration of con form ity (TIREFIT kit) .. 24
Declaration of conformity (wireless
ve hicle components) ............................. 23
EQ Boost ................................................ 21
Information ............................................ 21
Operating sy stem
see On-board computer 566
Index