Page 481 of 673

#
Push the handle 1ofthe bonn etcatch
up wa rds and lift the bonn etby appr oximately
40 cm. #
Toclose: lowe rth e bonn etand let it fall from
a height of appr oximately 20 cm. #
Ifth e bonn etcan still be lif ted slightl y,open
th e bonn etagain and close it with a little
more forc e until it engages cor rectly. Engine oil
Che
cking the engine oil le vel using the oil
dip stick &
WARNING Risk of bu rns from hot com‐
ponent parts in the engine compartment
Cer tain components in the engine compart‐
ment can be very hot, e.g. the engine, the
ra diator and parts of theex haust sy stem. #
Allow the engine tocool down and only
to uch co mponent parts described in
th efo llowing. Plug-in
hybrid: be sure toobser vethe no tes in
th e Supplement. Otherwise, you may failto rec‐
ognise dangers.
Re quirements:
R the engine must ha vean oil dipstic k.If not,
th e engine oil le vel can be checked only with
th e on-board computer (/ page479).
Depending on the engine, the oil dipstick may be
ins talled in the engine compartment in dif fere nt
locations. The
waiting time before checking the oil le vel
when the engine is at normal operating temp era‐
ture is five minutes. #
Park theve hicle on a le vel sur face. #
Pull oil dipstick 1out and wipe off. 478
Maintenance and care
Page 482 of 673

#
Slowly slide oil dipstick 1into the guide
tube tothestop, and take it out again af ter
appr oximately thre e seconds.
R Oil le vel is cor rect: oil le vel is between 2
and 3.
R Oil le velto o low: oil le vel is at 3or
belo w.
R Oil le velto o high: oil le vel is abo ve2 . #
Ifth e oil le vel is too lo w,top up with 1 litre of
engine oil. #
Ifth e oil le vel is too high, drain off excess
engine oil. Consult a qualified specialist
wo rkshop.
Checking the engine oil le vel using the on-
board compu ter
Re quirements:
The engine oil le vel is de term ined during driving.
De term ining the engine oil le vel can take up to
30 minutes with a normal driving style and even
longer with an active driving style.
In order torecei veare sult as quickly as possi‐
ble:
R warm upthe engine R
park theve hicle on a le vel sur face
R leave the engine running at idling speed
On-board compu ter:
4 Service 5
Engine oil level
Yo u will see one of thefo llowing messages on
th e multifunction display:
R Engine oil level Measuring now : measure‐
ment of the oil le vel is not yet possible. #
Repeat there qu est af ter a maximum of
30 minutes driving.
R Engine oil level OK andthe bar display for
indicating the oil le vel on the multifunction
display is green and is between "min" and
"max": the oil le vel is cor rect.
R Engine oil level Add 1.0 l andthe bar display
fo r indicating the oil le vel on the multifunc‐
tion display is orange and is below "min": #
Add 1 l of engine oil.
R Reduce engine oil level andthe bar display
fo r indicating the oil le vel on the multifunc‐
tion display is orange and is abo ve"max": #
Drain off any excess engine oil that has been
added. Consult a qualified specialist work‐
shop.
R For engine oil level turn on ignition: #
Switch on the ignition tocheck the engine oil
le ve l.
R Engine oil level System inoperative : sensor
fa ulty or not inser ted. #
Consult a qualified specialist workshop.
R Engine oil level System currently unavail. : #
Close the bonn et.
To pping up engine oil &
WARNING Risk of bu rns from hot com‐
ponent parts in the engine compartment
Cer tain components in the engine compart‐
ment can be very hot, e.g. the engine, the
ra diator and parts of theex haust sy stem. #
Allow the engine tocool down and only
to uch co mponent parts described in
th efo llowing. Maintenance and care
47 9
Page 643 of 673

Emer
gency
Fire extinguisher ................................. .495
Fir st-aid kit (so ftsided) ....................... 494
Overview of the help functions .............. 16
Re moving thewa rning triangle ............ 494
Saf etyve st .......................................... 493
Setting up thewa rning triangle .......... .494
Emer gency braking ................................. 207
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 .......................... 512
Emer gency key
Inserting/removing ................................ 76
Locking a door ....................................... 82
Un locking a door .................................. .82
Un locking theta ilgate .......................... .88
Emer gency operation mode
St arting theve hicle .............................. 174
Emer gency spare wheel .........................5 36
No tes .................................................. 536
Re moving ............................................ 536 ENERGIZI
NGCoach
Calling up ............................................ 367
Fu nction .............................................. 366
ENE RGIZING COMFORT ...........................362
Overview of programmes .................... 363
St arting the programme ......................3 65
ENERGIZI NGseat kinetics
Setting .................................................3 62
ENERGIZI NGseat kinetics
see ENERG IZINGCOMFORT
Engine ECO start/ stop function ......................1 81
Engine number .................................... 539
St arting (Digital Vehicle Keyst icke r) .... 173
St arting (eme rgency operation
mode) .................................................. 174
St arting (mobile phone) ...................... .173
St arting (Remo teOnline) ..................... 175
St arting (s tart/s top button) .................1 72
St arting assis tance .............................. 506
Switching off (s tart/s top button) ........ 19 9
Engine bonnet Function (active bonnet) ...................... 475
Opening/closing ..................................4 76Engine data
Displaying ............................................ 188
Engine electronics Notes ................................................... 537
Engine number ........................................5 39
Engine oil ................................................. 479
Ad ditives .............................................5 45
Capacity .............................................. 546
Checking the oil le vel using the oil
dipstick ................................................ 478
Checking the oil le vel using the on-
board computer ................................... 479
MB-F reigabe or MB-Appr oval .............. .546
Quality ................................................. 546
To pping up ...........................................4 79
Entering characters ................................ 344
Fu nction/no tes ................................... 344
On theto uchpad ................................ .345
On theto uchsc reen (media display) ....3 49
Setting theke yboard .......................... .353
EQ Boost Operating saf ety .................................... 21
ERA-GLONASS test mode
St arting/ending .................................. .441 640
Index