engine oil MERCEDES-BENZ E-CLASS CABRIOLET 2020 User Guide

Display messages
Possible causes/consequences and M
MSolutions #
Add 1 l of engine oil (/ page 292). #
Check the engine oil le vel.
No tes on engine oil (/ page 351).
5 Engine oil pressure Stop
Switch off engine *T
he oil pressure is too lo w.
* NO
TEEngine dama gecaused bydriving with insuf ficient oil pressure #
Avoid driving with insuf ficient oil pressure. #
Stop theve hicle immediately in accordance with the traf fic conditions. Do not continue driving. #
Consult a qualified specialist workshop.
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. 414
Displaymessa ges and warning/indicator lamps

Ac
tive Se rvice Sy stem PLUS
see AS SYST PLUS
Ac tive Speed Limit Assi st....................... 19 8
Displ ay................................................. 19 8
Fu nction .............................................. 19 8
Ac tive Steering Assist ............................ .201
Ac tivating/deactivating ...................... .203
Ac tive Emergency Stop Assist .............2 03
Fu nction .............................................. 201
Sy stem limits ....................................... 201
Ac tive Traf fic Jam Assist
Ac tivating/deactivating ...................... .204
Fu nction .............................................. 203
Ad aptive brake lights ..............................19 0
Ad aptive cruise control
see Active Dis tance Assi stDISTRONIC
Ad aptive Highbeam Assist
Fu nction .............................................. 127
Switching on/off ................................. 12 8
Ad aptive Highbeam Assist Plus
Fu nction .............................................. 12 8
Switching on/off ................................. 13 0Ad
Blue ®
.................................................... 350
Ad ditives .............................................3 50
Capacity .............................................. 350
No tes ................................................... 171
Purity ................................................... 350
To pping up ...........................................1 72
Ad ditional door lo ck.................................. 74
Ad diti ves.................................................. 351
Ad Blue ®
............................................... 350
Engine oil ............................................. 351
Fu el ..................................................... 348
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 ............................ .127
Af ter-sales service centre
see ASS YST PLUS AIR
BODY CONT ROL................................ 206
Setting ................................................ .207
Suspension .......................................... 206
Air conditioning menu Calling up ............................................ 14 0
Air distribution Setting ................................................ .139
Setting (MBUX multimedia sy stem) ...... 141
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 ................................................... 147
Ad justing (front) ................................... 147
Ad justing (rear) .................................... 14 8
Ad justing the AIRSCARF vents ............. 14 8
Air vents
see Air vents 430
Index

:
Active Light Sy stem inopera‐
tive ...................................................... 368
¯ AdBlue sy stem fault Emer. op.:
max. XXX km/h Start not poss. in
XXX km ................................................ 411
¯ AdBlue sy stem fault Emer‐
ge ncy op. in XXX miles See Owner's
Manual ................................................. 411
¯ AdBlue sy stem fault Engine
st art not possible ................................ .412
¯ AdBlue sy stem fault See Own‐
er's Manual .......................................... 411
5 Add 1 litre engine oil when
next refuelling ...................................... 413
é ATTENTION ASSIST inoperative
.............................................................3 92
é ATTENTION ASSIS T:Take a
break! .................................................. 392
: Automatic driving lights inoper‐
ative .................................................... 367 Á
Change key bat teries ................. 363
J Check brake fluid le vel.............. .384
# Check brake pads See Owner's
Manual ................................................ 384
5 Check eng. oil le v.when next
re fuelling .............................................. 412
ï Check trailer hit chlock .............. 371
h Check tyre(s) .............................. 406
! Clean the fuel filter .................... .377
J Close boot separator .................. 366
ÿ Coolant Stop vehicle Switch
engine off ............................................ 376
_ Currently una vailable Camera
view restricted ..................................... 396
ç Currently unavailable Radar
sensors dirty .......................................3 95
! currently una vailable See Own‐
er's Manual ........................................ .397
÷ currently una vailable See Own‐
er's Manual ........................................ .398 5
Engine oil le vel cannot be
measured ............................................ .414
5 Engine oil le velRe duce oil le vel.. 413
5 Engine oil le velSt op vehicle
Switch engine off ................................. 413
5 Engine oil pressu reStop
Switch off engine ................................. 414
ä Fault Drive at max. 80 km/h ...... 389
6 Front left malfunction Consult
wo rkshop (e xample)............................ 360
_ Front left seat backrest not
loc ked (e xamp le).................................. 374
& inoperative Battery low ..............370
& inoperative Refuel vehicle ..........3 70
& inoperative See Owner's Man. ...370
! inoperative See Owner's Man‐
ual ....................................................... 398
÷ inoperative See Owner's Man‐
ual ....................................................... 399 Index
437

Un
locking a door .................................. .78
Emer gency operation mode
St arting theve hicle ............................. 15 2
Emer gency spare wheel .........................3 40
No tes .................................................. 340
Engine ECO start/ stop function ......................1 58
Engine number ................................... .343
St arting (Digital Vehicle Keyst icke r) .... 15 2
St arting (eme rgency operation
mode) .................................................. 15 2
St arting (Remo teOnline) ..................... 15 3
St arting (s tart/s top button) .................1 51
St arting assis tance .............................. 316
Switching off (s tart/s top button) .........1 74
Engine bonnet Function (active bonnet) ...................... 289
Opening/closing ................................. 290
Engine data Displaying ............................................ 16 4
Engine electronics Notes ................................................... 341
Engine number ........................................3 43Engine oil
................................................. 292
Ad ditives .............................................. 351
Capacity .............................................. 352
Checking the oil le vel using the on-
board computer ................................... 292
MB-Fr eigabe or MB-Appr oval .............. .352
Quality ................................................. 352
To pping up ...........................................2 92
EQ Boost Operating saf ety .................................... 22
Quali fied specialist workshop ................29
ERA-GLONASS test mode
St arting/ending .................................. 279
ESC (Electronic Stability Control)
see ESP ®
(Electronic Stability Prog ram)
ESP ®
Crosswind Assist ................................. 185
Tr ailer stabilisation .............................. 185
ESP ®
(Electronic Stability Prog ram) ...... 183
Ac tivating/deactivating ...................... .184
Fu nction/no tes ................................... 183
EU general operating permit number ....343 Exterior lighting
see Lights
Exterior lighting (care) ............................ 301 F
Fa tigue de tection
see ATTENTION ASSIST
Fa ult message
see Displ aymessa ge
Fi re extinguisher ..................................... 305
Firs t-aid kit (soft sided) .......................... 305
Flacon Inse rting/ removing ............................. 14 2
Flat towing
see Tow- bar sy stem
Flat tyre ....................................................3 06
MOExtended tyres ............................... 306
No tes .................................................. 306
TIREFIT kit ...........................................3 08
Wheel change ...................................... 335
Floor mats ................................................ 121
Fo g light (extended range) ......................1 26 Index
443

Na
vigation
see Destination entry
see Map
see Route
Ne arField Communication (NFC)
Locking theve hicle (Digital Vehicle
Ke yst icke r) ............................................ 76
St arting theve hicle (Digital Vehicle
Ke yst icke r) .......................................... 15 2
Un locking theve hicle (Digital Vehicle
Ke yst icke r) ............................................ 76
Ne utral
Engaging .............................................. 16 5
Note s........................................................ 15 5
Optimised acceleration ........................ 15 5O
Occupant saf ety
see Airbag
see Automatic front passenger front
airbag shutoff
see Pets in theve hicle
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
Oil see Engine oil
On-board computer ................................. 24 3
Displ aying the service due date ........... 288
Head-up display menu .........................2 46
Multifunction display ........................... 24 5
Operating ............................................ 24 3
Overview of menus .............................. 24 3
On-board diagnostics inter face
see Diagno stics connection
On-boa rdelectronics
Engine electronics .............................. .341
No tes ................................................... 341
Tw o-w ayradios .................................... 341
Online services Data storage .......................................... 33
Online services see In-Car Of fice
Open-source so ftwa re .............................. 34 Opening the bo
otlid using your foot
HANDS-FREE ACCESS .......................... .80
Operating fluids
Ad Blue ®
............................................... 350
Ad ditives (fuel) .................................... 348
Brake fluid .......................................... .353
Coolant (engine) .................................. 353
Engine oil ............................................. 351
Fu el (diesel) ......................................... 348
Fu el (petrol) ......................................... 347
No tes .................................................. 345
Wi ndsc reen washer fluid .................... .354
Operating saf ety
48 V on-boa rdelectrical sy stem ............ 22
Declaration of confo rmity (elect ro‐
magnetic compatibility) ......................... 24
Declaration of conformity (ja ck) ............ 27
Declaration of conformity (TIREFIT kit) .. 28
Declaration of conformity (wireless
ve hicle components) ............................. 24
EQ Boo st............................................... 22
Information ............................................ 22
Ope rating sy stem
see On-board computer 450
Index