Page 241 of 541

Ad
justing the in stru ment lighting #
Turn brightness control 1up or down.
The lighting of the instrument display and in
th e controls in theve hicle interior is adjus‐
te d. Menus and submenus
Fu
nctions in the Service menu of the on-
board compu ter On-board computer:
, Service #
Toselect the function: swipe upwards or
down wards on the left-hand side of Touch
Control. #
Press the left-hand Touch Control.
Fu nctions in theService menu:
R Message memory (→ page 423)
R AdBlue: Adblue ®
ra nge
R Tyre pressure :
- Restarting the tyre pressure loss warning
sy stem (→ page 396)
- Checking the tyre pressure with the tyre
pressure monitoring sy stem
(→ page 392)
- Restarting the tyre pressure monitoring
sy stem (→ page 392) R
ASSYST PLUS: call up the service due date
(→ page 352)
R Engine oil le vel Calling up
the Assistance graphic display On-board computer:
, Assistance
% Ve
hicles with the instrument display in
th e widescreen cockpit: whenyou ha ve
th e design set toProgressive ,yo u can view
th e assis tance graphic in the left-hand por‐
tion of the instrument displa y.
The following displa ysare available from the
Assi stance graphic menu:
R Assis tance graphic
R Attention le vel (→ page 218) #
Toswitch between the displa ys:swipe
up wa rds or down wards on the left-hand side
of Touch Control. 238
Instru ment Display and on-board computer
Page 364 of 541

#
Do not use high-pressure cleane rswith
circular jet nozzles toclean theve hicle. #
Have damaged tyres or chassis parts
re placed immediatel y. To
avo id damage to yourvehicle, obser vethefo l‐
lowing when using a high-pressure cleaner:
R Keep theke y at least 3 m away from the
ve hicle. Otherwise the boot lid could open
unintentionall y.
R Maintain a dis tance of at least 30 cm tothe
ve hicle.
R Vehicles with deco rative foil: parts of your
ve hicle are co vered with a decorative foil. Maintain a dis
tance of at least 70 cm
between thefo il-c ove red parts of theve hicle
and the nozzle of the high pressure cleaner.
Mo vethe high-pressure cleaner nozzle
around whilst cleaning.
R Obser vethe information on the cor rect dis‐
ta nce in the equipment manufacturer's oper‐
ating instructions.
R Do not point the nozzle of the high-pressure
cleaner directly at sensitive parts such as
tyres, slits, electrical component parts, bat‐
te ries, light sources and ventilation sl ots. Wa
shing theve hicle byhand Obser
vethe legal requ irements, e.g. in some
countries, washing byhand is only allo wed at
specially equipped washing ba ys. #
Use a mild cleaning agent, such as a car
shampoo. #
Washtheve hicle with luk ewarmwate r using
a soft car sponge. When doing so, do not
ex pose theve hicle todirect sunlight. #
Carefully hose theve hicle off with water and
dry using a chamois. Take care not topoint
th ewate r jet directly towa rdsth e air inlet
grille. Maintenance and care
361
Page 459 of 541
Display messages
Possible causes/consequences and M
MSolutions
4 Engine oil pressure Stop
Switch off engine *D
isplay message only with cer tain engines:
The engine oil pressure is too lo w.
* NO
TEEngine dama gecaused bydriving with insuf ficient engine oil pressure #
Avoid long journe yswith 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.
5 Engine oil level cannot be
measured *T
he electrical connection tothe oil le vel sensor is inter rupte d or the oil le vel sensor is faulty.
The engine oil le vel has dropped tothe minimum le vel. #
Consult a qualified specialist workshop.
Ø Refill AdBlue See Owner’s
Manual *
The AdBlue ®
leve l has fallen below there ser verange. #
Refill Ad Blue ®
immediately . 456
Display messages and warning/indicator lamps