Page 304 of 689

R
Engine oil level: engine oil le vel
R Consumption info: fuel life cycle consump‐
tion Calling up displa
yson the Assistance menu On-board computer:
4 Assistance
The following displa ysare available on the Assis‐
ta nce menu:
R Assi stance
R Attention le vel (/ page 277)
R Vehicles with an instrument display in
th e widescreen cockpit: full screen#
Toswitch between the displa ys:swipe
upwards or down wards on the left-hand
To uch Control. %
The illustration sho wsthe instrument display
in the widescreen cockpit.
St atus displa yson the assis tant displ ay:
R Û ATTENTION ASSIS T:deactivated
R Grey lane markings: Active Lane Keeping
Assist activated
R Green lane markings: Active Lane Keeping
Assist active
R ¸ Grey radar waves next tovehicle: Blind
Spot Assist or Active Blind Spot Assi stena‐
bled R
¸ Green radar waves next tovehicle:
Blind Spot Assist or Active Blind Spot Assi st
active
R Active Dis tance Assi stDISTRONIC displa ys
( / page 243) Calling up
displays on theTr ip menu On-board computer:
4 Trip #
Toselect a displa y:swipe upwards or down‐
wa rds on the left-hand Touch Control.
Trip menu in thest andard cockpi t:
R Speedom eter
R Rev counter
R Range and cur rent fuel consu mption
R ECO display (/ page 197)
R Trip computer From startandFrom reset
Trip menu in the widescreen cockpit:
R Standard display
R Cur rent fuel consu mption Instrument Displ
ayand on-board computer 301
Page 491 of 689

#
Push yellow handle 1onthe bonn etcatch
to the left as far as it will go (palm down‐
wa rds). Lift the bonn etuntil it is automati‐
cally raised bythe pneumatic stru t. #
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
fo rc e until it engages cor rectl y. Engine oil
Checking
the engine oil le vel using the on-
board compu ter
Re quirements:
R The engine has warmed up.
R The vehicle is par ked on a le vel sur face.
R The engine is running at idle speed.
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.
On-board computer: 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. Todo so, consult a qualified specialist
wo rkshop.
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. 488
Maintenance and care
Page 624 of 689
Engine oil
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 489).
No tes on engine oil (/ page 557).
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. Display messages and
warning/indicator lamps 621
Page 625 of 689
Display messages
Possible causes/consequences and M
MSolutions
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.
* 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 489). #
Check the engine oil le vel.
No tes on engine oil (/ page 557).
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. 622
Display messages and warning/indicator lamps
Page 626 of 689
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 (standard) Wi
descreen co ckpit instrument displ ay Depending on
the display setting, the positions
of the indicator lamps on the instrument display
may dif fer from theex ample shown. Display messages and
warning/indicator lamps 623