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

Display messages
Possible causes/consequences and M
MSolutions
5 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 (/ page 304).
No tes on engine oil (/ page 361).
5 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 le velre duced.
5 Engine oil level Stop vehi-
cle Switch engine off *D
isplay message only for cer tain engines:
The engine oil le vel is too lo w. 422
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and M
MSolutions
* NO
TEEngine dama gecaused bydriving with insuf ficient engine oil #
Avoid long journe yswith insuf ficient engine oil. #
Stop theve hicle immediately in accordance with the traf fic conditions. Do not continue driving. #
Switch off the engine. #
Add 1 l of engine oil (/ page 304). #
Check the engine oil le vel.
No tes on engine oil (/ page 361).
5
Engine oil pressure Stop
Switch off engine *D
isplay message only for cer tain engines:
The 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. Display messages and
warning/indicator lamps 423

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. Wa
rning and indicator lamps Overview of indicator and
warning lamps Some sy
stems will per form a self-test when the
ignition is switched on. Some indicator and
wa rning lamps may briefly light up or flash. This
behaviour is non-critical. These indicator and
wa rning lamps indicate a malfunction only if they
light up or flash af terth e engine has been star‐
te d or during a journe y. Instrument display Depending on
the display setting, the positions
of the indicator lamps on the instrument display
may dif fer from theex ample shown. Indicator and
warning lamps:
6 Re
stra int sy stem (/ page 426)
ü Seat belt (/
page 426)
ï Trailer hit ch (/page 427)
Ù Powe rst eering (/ page 427)
ÿ Coolanttemp erature (/ page 428)
; Engine diagnostics (/
page 428)
% Preglow
# Elect
rical fault (/ page 428)
8 Re
ser vefuel with fuel filler flap loca‐
tion indicator (/ page 428)
! Elect
ric pa rking brake (red)
(/ page 431) 424
Display messages and warning/indicator lamps

Ac
tive Se rvice Sy stem PLUS
see AS SYST PLUS
Ac tive Speed Limit Assi st....................... 204
Display ................................................ 204
Fu nction .............................................. 204
Ac tive Steering Assist ............................ .206
Ac tivating/deactivating ...................... .208
Ac tive Emergency Stop Assist .............2 08
Fu nction .............................................. 206
Sy stem limits ....................................... 206
Ac tive Traf fic Jam Assist
Ac tivating/deactivating ...................... .209
Fu nction .............................................. 209
Ad aptive brake lights ..............................19 6
Ad aptive cruise control
see Active Dis tance Assi stDISTRONIC
Ad aptive Highbeam Assist
Fu nction ............................................... 131
Switching on/off ................................. 13 2
Ad aptive Highbeam Assist Plus
Fu nction .............................................. 13 2
Switching on/off ................................. 13 4Ad
Blue ®
.................................................... 360
Ad ditives .............................................3 60
Capacity .............................................. 360
No tes ................................................... 176
Purity ................................................... 360
To pping up ...........................................1 77
Ad ditional door lo ck.................................. 74
Ad diti ves.................................................. 361
Ad Blue ®
............................................... 360
Engine oil ............................................. 361
Fu el ..................................................... 358
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 ............................ .131
Af ter-sales service centre
see ASS YST PLUS AIR
BODY CONT ROL................................ .211
Setting ................................................. 212
Suspension .......................................... 211
Air conditioning menu Calling up ............................................ 14 4
Air distribution Setting ................................................ .143
Setting (MBUX multimedia sy stem) ..... 14 5
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 ................................................... 15 2
Ad justing (front) .................................. 15 2
Ad justing (rear) .................................... 15 3
Glo vebox .............................................1 53
Air vents
see Air vents 440
Index

¯
AdBlue sy stem fault Emer. op.:
max. XXX km/h Start not poss. in
XXX km .............................................. .420
¯ AdBlue sy stem fault Emer‐
ge ncy op. in XXX miles See Owner's
Manual ................................................ 420
¯ AdBlue sy stem fault Engine
st art not possible ................................ .421
¯ AdBlue sy stem fault See Own‐
er's Manual ........................................ .420
5 Add 1 litre engine oil when
next refuelling .................................... .422
é ATTENTION ASSIST inoperative .. 401
é ATTENTION ASSIS T:Take a
break! .................................................. 401
: Automatic driving lights inoper‐
ative ..................................................... 375
Á Changekey bat teries .................. 373
J Check brake fluid le vel.............. .393 #
Checkbrake pads See Owner's
Manual ................................................ 393
5 Check eng. oil le v.when next
re fuelling ............................................. 421
ï Checktrailer hitch lo ck.............. 380
h Check tyre(s) .............................. 41 5
! Clean the fuel filter .................... .386
ÿ Coolant Stop vehicle Switch
engine off ............................................ 385
_ Currently una vailable Camera
view restricted ..................................... 405
ç Currently unavailable Radar
sensors dirty .......................................4 04
! currently una vailable See Own‐
er's Manual ........................................ .406
÷ currently una vailable See Own‐
er's Manual ........................................ .407
5 Engine oil le vel cannot be
measured ............................................ 424 5
Engine oil le velRe duce oil le vel
............................................................. 422
5 Engine oil le velSt op vehicle
Switch engine off ................................ 422
5 Engine oil pressure Stop
Switch off engine ................................ 423
ä Fault Drive at max. 80 km/h ...... 398
6 Front left malfunction Consult
wo rkshop (e xample)............................ 370
& inoperative Battery low ...............378
& inoperative Refuel vehicle ........... 378
& inoperative See Owner's Man. ....378
! inoperative See Owner's Man‐
ual ....................................................... 407
÷ inoperative See Owner's Man‐
ual ....................................................... 408
T inoperative See Owner's Man‐
ual ....................................................... 409
G Inoperati ve.................................. 41 0 Index
447

Engine number .................................... 353
St arting (Digital Vehicle Keyst icke r) .... 15 6
St arting (eme rgency operation
mode) .................................................. 15 6
St arting (Remo teOnline) ..................... 157
St arting (s tart/s top button) ................ 15 5
St arting assis tance .............................. 326
Switching off (s tart/s top button) ........ 17 9
Engine bonnet Function (active bonnet) ...................... 300
Opening/closing .................................. 301
Engine data Displaying ............................................ 16 8
Engine electronics Notes ................................................... 351
Engine number ........................................3 53
Engine oil ................................................. 304
Ad ditives .............................................. 361
Capacity .............................................. 361
Checking the oil le vel using the oil
dipstick ............................................... 303
Checking the oil le vel using the on-
board computer ................................... 303
MB-Fr eigabe or MB-Appr oval .............. .361 Quality ................................................. 361
To
pping up ...........................................3 04
EQ Boost Operating saf ety .................................... 22
Quali fied specialist workshop ................29
ERA-GLONASS test mode
St arting/ending .................................. 290
ESC (Elect ronic Stability Control)
see ESP ®
(Electronic Stability Prog ram)
ESP ®
Crosswind Assist ................................. 19 0
Tr ailer stabilisation .............................. 19 0
ESP ®
(Electronic Stability Prog ram) ...... 188
Ac tivating/deactivating ...................... .190
Fu nction/no tes ................................... 188
EU general operating permit number ....353
Exterior lighting see Lights
Exterior lighting (care) ............................310 F
Fa tigue de tection
see ATTENTION ASSIST
Fa ult message
see Displ aymessa ge
Fire extinguisher ...................................... 315
Fi rs t-aid kit (soft sided) ...........................315
Flacon Inserting/removing ............................ .147
Flat towing
see Tow- bar sy stem
Flat tyre ....................................................3 16
MOExtended tyres ...............................3 16
No tes ................................................... 316
TIREFIT kit ............................................ 318
Wheel change ...................................... 345
Floor mats ................................................ 124
Fo g light (extended range) ......................1 30
Fo il co vering
Ra dar and ultrasonic sensors .............. 186
Fr ag rance
see Fragrance sy stem Index
453

Overview .............................................
270
Showing/hiding the menu ...................2 69
Switching on ....................................... 269
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 6
Un locking theve hicle (Digital Vehicle
Ke yst icke r) ............................................ 76
Ne utral
Engaging .............................................. 16 9
Note s........................................................ 15 9
Optimised acceleration ........................ 15 9O
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 ®
Impulse Side
see PRE-SAFE ®
PLUS (anticipatory
occupant pr otection plus)
see Restra int sy stem
see Seat belt
Oil see Engine oil
On-board computer ................................. 250
Displaying the service due date ........... 299
Head-up display menu .........................2 53
Multifunction display ........................... 252
Operating ............................................ 250
Overview of menus .............................. 250
On-board diagno stics inter face
see Diagno stics connection
On-boa rdelectronics
Engine electronics .............................. .351
No tes ................................................... 351
Tw o-w ayradios .................................... 351
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 .......................... .82
Operating fluids
Ad Blue ®
............................................... 360
Ad ditives (fuel) .................................... 358
Brake fluid .......................................... .362
Coolant (engine) .................................. 363
Engine oil ............................................. 361
Fu el (diesel) ......................................... 358
Fu el (petrol) ......................................... 357
No tes .................................................. 355
Wi ndsc reen washer fluid .................... .363
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............................................... 22 460
Index