DSR (/
page 120)
00D9 HOLD fu
nction (/ page 145)
00CE Ad
aptive Highbeam Assist(/ page81 )
00D7 AT
TENTION ASSIST deactivated
003E A door is not fully closed.
00C5 Re
ar wind owwiper swit ched on
(/ page 89)
002E LO
W RANGE active (/ page119)
SOS
NOT
RE ADY Emergency call sy
stem not active Ac
tive Lane Keeping Assist switched
off (/ page155)
00D4 Ac
tive Brake Assi stdeactivated
(/ page 139) Blind Sp
otAssi stswitched off
(/ page 152) Se
tting the in strument lighting #
Turn brightness control knob 1upwards or
down wards.
The lighting on the Instrument Display and
th e cont rol elements in theve hicle interior is
set.
% In
vehicles without brightness contro l knob
1, the instrument lighting can be set via the
on-board computer (/ page170). Menus and submenus
Calling up functions on
the service menu On-board computer:
4 Service #
Select and con firm there qu ired function.
The following functions are available on the
Service menu:
R Messages: message memo ry (/ page 277)
R DEF : Displ aysth e DEF range and le vel
( / page 128)
R Tires :
- Che cksth e tire pressure with the tire
pressure monitoring sy stem
(/ page 239)
- Restarts the tire pressure monitoring sys‐
te m (/ page240)
R ASSYST PLUS: calls up the service due date
(/ page 202)
R Engine Oil Level : measures engine oil le vel
R Long-term consumption Calling up
the assistant display On-board computer:
4 Assistance #
Select the desired display and confirm.
The following displa ysare available on the assis‐
ta nt displ ay:
R Assi stant display
R Attention le vel (/ page 151) #
Swit chbetween the displa ysand con firm the
selected displa y. 16 6
Instrument Display and on-board computer
#
Slowly inse rtdipstick 1into the dipstick
guide tube as far as it will go and pull it out
af te rth re e seconds.
R Oil le vel OK: the oil le vel is between the
MIN and the MAX mar k.
R Oil le velto o low: the oil le vel is at the MIN
mark or belo w. #
Ifth e oil le vel is too lo w,add appr ox.
1. 1 US qt (1 liter) engine oil. #
Ifth e oil le vel is too high, drain off excess
engine oil.
Vi sit a qualified specialist workshop.
Checking the engine oil le vel with an on-
board computer
Re quirements:
R The vehicle is le vel during the measuring
process.
R The hood is not open.
R Depending on the driving profile, the oil le vel
can be displa yed only af ter a driving time of
up to30 minutes and only when the ignition
is switched on.
On-board computer: 4 Service 5
Engine Oil Level
Yo u will see one of thefo llowing messa ges in
th e multifunction displa y:#
Measuring Engine Oil Level...: measurement
ofthe oil le vel not yet possible. Repeat the
qu ery af ter driving a maximum of 30 minutes. #
Engine Oil Level OK andthe bar todisplay the
oil le vel in the multifunction display is green
and lies between "MIN" and "MAX": the oil
le ve l is OK. #
Engine Oil Level Drive until the engine is
warm. :wa rm upthe engine tooperating tem‐
perature. #
Engine Oil Level Correct Measurement Only
if Vehicle Is on Level Ground: park theve hicle
on an even su rface. #
Engine Oil Level Add 1,0 liq.gal. andthe bar
to display the oil le vel in the multifunction dis‐
play is orange and lies below "MIN": add
1. 1 US qt (1 l ) of engine oil. #
Reduce Engine Oil Level andthe bar display‐
ing the oil le vel in the multifunction display is
orange and lies abo ve"MAX": drain off excess
engine oil.
Vi sit a qualified specialist workshop. #
For Engine Oil Level Switch Ignition On :
switch on the ignition in order tocheck the
engine oil le vel. #
Engine Oil Level System Inoperative: sensor is
defective or not connec ted. Visit a qualified
specialist workshop. #
Engine Oil Level System Currently Unavaila-
ble: close the hood.
% Ve
hicles with cold oil le vel displa ys:th e oil
le ve l is automatically displa yed on the multi‐
function display af terth eve hicle has been
non-operational for an extended pe riod. If it
is not possible tomeasu rethe engine oil
le ve l, a releva nt messa gewill appear.
Ad ding 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 component parts desc ribed in the
fo llowing. &
WARNING Danger of bu rns when open‐
ing the hood
If yo u open the hood when the engine has
ove rheated or during a fire inthe engine com‐
partment, you could come into con tact wi th
hot gases or other escaping operating fluids. #
Before opening the hood, allow the
engine tocool down. #
Intheeve nt of a fire inthe engine com‐
partment, keep the hood closed and call
th efire service. If
yo u ha vetocar ryout any workinthe engine
compartment, touch only thefo llowing compo‐
nents:
R Hood
R Engine oil filler opening cap
R Washer fluid reser voir cap
R Coolant expansion reser voir cap Maintenance and care
205
Display messages
Possible causes/consequences and 0050 0050Solutions
00AC *T
hefan mo tor is defective. #
Without a high engine load, continue tothe nearest qualified
specialist workshop. Ensure that the coolant temp erature dis‐
play remains below 248 °F (120 °C).
003A Check Fuel Filter *T
hewaterth at has accumulated in thewate r sepa rato r has reached
th e maximum le vel. #
Drain thewate r sepa rator (/ page 209).
00B3 Engine Oil Level Cannot
Be Measured *T
he electrical connection tothe oil le vel sensor has been inter rup‐
te d or the oil le vel sensor is defective.
The engine oil le vel has fallen tothe minimum le vel. #
Visit a qualified specialist workshop.
00B2
Engine Oil Pressure Stop
Switch Off Engine *D
isplay message for cer tain engines only:
The engine oil pressure is too lo w.
* NO
TEEngine damage caused bydriving with insuf ficient
engine oil pressure #
Avoid driving with insuf ficient engine oil pressure. #
Stop in a safe location immediately. Do not continue driving. #
Consult a qualified specialist workshop.
00B2
Check Engine Oil Level
(Add 1 Liter) *D
isplay message for cer tain engines only:
The engine oil le vel has fallen tothe minimum le vel.
* NO
TEEngine damage caused bydriving with insuf ficient
engine oil #
Avoid long journe yswith insuf ficient engine oil. #
Che ckthe engine oil le vel at the next fuel stop.
To p up engine oil (/ page 205).
Obser vethe no tes on engine oil (/ page 267).
00B2
Engine Oil Reduce Oil
Level *D
isplay message for cer tain engines only:
The engine oil le vel is too high.
* NO
TEEngine damage caused bydriving with excess engine
oil #
Avoid long journe yswith excess engine oil. #
Visit a qualified specialist workshop immediately and ha vethe
engine oil suctioned off.
00B2 *D
isplay message for cer tain engines only:
The engine oil le vel is too lo w. 286
Display messages and warning and indicator lamps
Display messages
Possible causes/consequences and 0050 0050Solutions
Engine Oil Level Low
Stop Vehicle Turn
Engine Off *
NO
TEEngine damage caused bydriving with insuf ficient
engine oil #
Avoid long journe yswith insuf ficient engine oil. #
Stop in a safe location immediately. Do not continue driving. #
Switch off the engine. #
Check the engine oil le vel.
Ad d engine oil (/ page 205).
Obser vethe no tes on engine oil (/ page 267).
00B2
Check Engine Oil At
Next Refueling *T
he engine oil le vel has fallen tothe minimum le vel.
* NO
TEEngine damage caused bydriving with insuf ficient
engine oil #
Avoid long journe yswith insuf ficient engine oil. #
Che ckthe engine oil le vel at the next fuel stop.
To p up engine oil (/ page 205).
Obser vethe no tes on engine oil (/ page 267).
003D
Stop Vehicle Leave
Engine Running *T
he battery's charge leve l is too lo w. #
Stop in a safe location immediately. Do not continue driving! #
Let the engine run. #
Do not continue driving until the display message goes out.
003D
Stop Vehicle See Opera-
tor's Manual *T
he battery is no longer being charge d and has reached an exces‐
sively low battery charge leve l.
* NO
TEPossible engine damage if you continue driving #
Do not continue driving under any circum stances. #
Consult a qualified specialist workshop. #
Stop in a safe location immediately. Do not continue driving. #
Switch off the engine. #
Consult a qualified specialist workshop.
003D
12 V Battery See Opera-
tor's Manual *T
he engine is off and the battery charge leve l is too lo w. #
Switch off electrical consumers that are not required. #
Let the engine runfo r a few minutes or drive an extended dis‐
ta nce.
The battery is charge d.
003D
See Operator's Manual *T
he battery is no longer being charge d.
* NO
TEPossible engine damage if you continue driving #
Do not continue driving under any circum stances. #
Consult a qualified specialist workshop. Display messages and
warning and indicator lamps 287