Display messages
Possible causes/consequences and 0050 0050Solutions #
Stop in a safe location immediately and switch off the engine. #
Consult a qualified specialist workshop.
00AC
Coolant Too Hot Stop
Vehicle Turn Engine Off *T
he coolant is too hot. #
Stop in a safe location immediately and switch off the engine. &
WARNING Danger of bu rns when opening the hood
If yo u open the hood when the engine has overheated or during
a fire inthe engine compartment, 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 compartment, keep the
hood closed and call thefire service. &
WARNING Risk of scalding from hot coolant
The engine cooling sy stem is pressurized, particularly when the
engine is warm. If you open the cap, you could be scalded byhot
coolant spr aying out. #
Let the engine cool down before opening the cap. #
When opening the cap, wear pr otective glove s and saf ety
gl asses. #
Open the cap slowly torelease pressure. #
Wait until the engine has cooled down. #
Ensure that the air supply tothe engine radiator is not obstruc‐
te d.
00AC Check Coolant Level See
Operator's Manual *T
he coolant le vel is too lo w. &
WARNING Risk of scalding from hot coolant
The engine cooling sy stem is pressurized, particularly when the
engine is warm. If you open the cap, you could be scalded byhot
coolant spr aying out. #
Let the engine cool down before opening the cap. #
When opening the cap, wear pr otective glove s and saf ety
gl asses. #
Open the cap slowly torelease pressure. *
NO
TEEngine damage due toinsuf ficient coolant #
Avoid long journe yswith insuf ficient coolant. #
Top up coolant (/ page 206).
Regeneration not possi-
ble *N
otall conditions ha vebeen met forre ge neration of the diesel par‐
ticulate filter . #
Continue driving as normal until all conditions ha vebeen met for
re ge neration of the diesel particulate filter. 288
Display messages and warning and indicator lamps
Display messages
Possible causes/consequences and 0050 0050Solutions
To Engage Transmiss.
Position R First Depress
the Brake #
Shift the transmission toposition 005E.
Air Conditioning Malfunc-
tion See Operator's Man-
ual *T
he climate contro l system is functional, subject totemp orary
re strictions. The air quantity and fresh air supply are controlled
automaticall y. #
Have the climate cont rol sy stem checked at a qualified specialist
wo rkshop.
Auxiliary Battery Mal-
function *T
he bac kup battery forth e transmission is not being charge d. #
Visit a qualified specialist workshop. #
Until then, alw ays shift the transmission toposition 005Dmanually
before you swit choff the engine. #
Before leaving theve hicle, apply the parking brake.
Reversing Not Possible
Service Required *T
he transmission is malfunctioning. It is no longer possible toshift
to reve rsege ar. #
Visit a qualified specialist workshop.
Transmission Malfunc-
tion Stop *T
he transmission is malfunctioning. The transmission automatically
shifts toposition 005C. #
Stop in a safe location immediately. #
Shift the transmission toposition 005D. #
Consult a qualified specialist workshop.
0072
Vehicle Operational
Switch the Ignition Off
Before Exiting *Y
ou are about toexitth eve hicle while it is ready tostart. #
When youex itth eve hicle, switch off the ignition and take the
ke y with you. #
Ifyo u do not exitth eve hicle, switch off the electrical consum‐
ers, e.g. the seat heating. Otherwise, the12 ‑Volt‑battery may
discha rge and theve hicle can only be star ted using a boos ter
battery (jump start).
Service Required Do Not
Shift Gears Visit Dealer *T
he transmission is malfunctioning. The transmission position can
no longer be changed. #
Ifth e transmission is in position 005B, visit aqualified specialist
wo rkshop, without changing the transmission position. #
For all other transmission positions, park theve hicle in a safe
location. #
Inform a qualified specialist workshop or the breakdown service.
Only Shift to 'P' when
Vehicle is Stationary *
The transmission can only be brought into position 005Difth eve hicle
is at a standstill.
N Permanently Active
Risk of Rolling Away *W
hile theve hicle is rolling or driving, the transmission was shif ted
to position 005C. #
Tostop, press the brake pedal and, when theve hicle is at a
st andstill, shift the transmission toposition 005D. #
Tocontinue driving, shi ftthe transmission toposition 005Bor005E. 294
Display messages and warning and indicator lamps
Display messages
Possible causes/consequences and 0050 0050Solutions
Driver's Door Open &
Transmission Not in P
Risk of Vehicle Rolling
Away *T
he driver's door is not fully closed and the transmission is in posi‐
tion 005E,005Cor005B. #
When parking theve hicle, shift the transmission toposition 005D.
Apply Brake to Shift
from 'P' *Y
ou ha vetried toshift toa dif fere nt transmission position from posi‐
tion 005D. #
Press the brake pedal. Vehicle locating has
been activated. Details:
see manual or associ-
ated mobile app.
or
vehicle locating activa-
ted – see manual or
mobile app. *T
hevehicle features activated services from Mercedes PRO.
Locating theve hicle may be possible as part of Mercedes PRO con‐
nect. #
Check thest atus of the activated services at http://
mercedes.pro. #
Ask theve hicle owner forth e de tails. Step Not Extended See
Operator's Manual
or
step not extended mal-
function *T
he electrical step is not, or only partially, extended. #
Ensu rethere is suf ficient clea rance forth e electrical step. #
Open or close the sliding door again. #
Ifth e electrical step does not comple tely ex tend again, slide it in
manually (emergency release) (/ page 52). #
Inform passen gers that thestep is missing before they exitthe
ve hicle. Step Not Retracted See
Operator's Manualor
step not retracted mal-
function *T
he electrical step is not, or only partially, retracted. #
Ensu rethere is suf ficient clea rance forth e electrical step. #
Open or close the sliding door again. #
Ifth e electrical step does not comple tely retract again, slide it in
manually (emergency release) (/ page 52). Lights
Display messa
ges
Possible causes/consequences and 0050 0050Solutions
Adaptive Highbeam
Assist Camera View
Restricted See Opera-
tor's Manual *
The camera view is reduced. Possible causes:
R Dirt on the windshield in the camera's field of vision
R Heavy precipitation or fog
Driving sy stems and driving saf ety sy stems may be malfunctioning
or temp orarily una vailable.
When the causes ha vebeen eliminated, the driving sy stems and
driving saf ety sy stems are available again.
If th e display message does not go out: #
Stop in a safe location. #
Clean the windshield. Display messages and
warning and indicator lamps 295
Driving sy
stems Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions
00BA
Dis tance warning lamp The
red dis tance warning lamp lights up while you are driving and a
wa rning tone sounds.
Yo u are approaching an obs tacle at too high a speed. #
Beready toapply the brakes immediatel y. #
Increase the dis tance. Ve
hicle Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions
00CC
Po we rst eering sy stem
wa rning lamp The
red po werst eering sy stem warning lamp lights up while the engine
is running.
The po werst eering assis tance or thesteering itself is malfunctioning. &
WARNING Risk of accident if steering capability is impaired
If th esteering no longer functions as intended, theve hicle's operat‐
ing saf ety is jeopardized. #
Consult a qualified specialist workshop. #
Read the messages on the multifunction displa y.Engine
Wa
rning/indicator
lamp Po
ssible causes/consequences and 0050 0050Solutions
00AC
Coolant warning lamp The
red coolant warning lamp lights up while the engine is running.
Po ssible causes:
R temp erature sensor malfunctioning
R coolant le velto o low
R air supply tothe engine radiator obstructed
R engine radiator fanfa ulty
If a warning tone also sounds, the coolant has exceeded thete mp era‐
ture of 248 °F (120 °C). &
WARNING Danger of bu rns when opening the hood
If yo u open the hood when the engine has overheated or during a
fi re inthe engine compartment, 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 compartment, keep the
hood closed and call thefire service. Display messages and
warning and indicator lamps 303
Re
fueling theve hicle ........................ 12 5
To pping up DEF ................................ 12 9
Re generation
No tes ................................................ 11 4
Re gistration
Ve hicle ............................................... 23
Re moving the vehicle tool kit ............ .230
Re placing a wheel
Ins talling a new wheel ...................... 253
Re placing light bulbs
Indicators (rear) (Cargo Van and
Pa ssenger Van) ................................... 86
Re versing lights (Cargo Van and
Pa ssenger Van) ................................... 86
Re porting saf ety defects ....................... 24
Re scue card ............................................ 24
Re set function (multimedia sy stem) ...1 81
Re storing (factory settings)
see Reset function (multimedia sy stem)
Re stra int sy stem .................................... 28
Children, no tes on safe transpor ta‐
tion ..................................................... 34
Fu nction in an accident ...................... 29
Fu nctionality ....................................... 28
Malfunction ........................................ 28
Pr otection ...........................................28
Re duced pr otection ............................28
Self-test .............................................. 28
Wa rning lamp .................................... .28
Re stricting the shift range ...................1 17
Re versing light
Changing bulbs .................................. .87
Re versing lights
Re placing light bulbs (Cargo Van
and Passenger Van) ............................ 86
Rims (care) ............................................ 212
Ro adside Assistance (breakdown) ........21
Ro llaw ay protection
see HOLD function
Ro of car rier (inside) ............................ .199
Ro ofrack ............................................... 276
Ro ofrack (information) ........................ 19 8 S
Saf etyve st ............................................ 216
Seat belt .................................................. 30
Care .................................................. 214
Pr otection ...........................................30 Seat belt
warning
see Seat belts
Seat belts ................................................ 32
Ad justing the height ........................... 31
Fa stening ............................................ 31
Re duced pr otection ............................30
Re leasing ............................................ 32
Wa rning lamp .................................... .32
Seat co ver (care) ................................... 214
Seats .................................................5 9, 66
4-w aylumbar support ........................ 64
8-w ayadjustment options .................. 62
Ad justing armrests ............................. 66
Ad justing the armrests (rear bench
seat) ................................................... 69
Ad justing the head restra ints
mechanically ...................................... 70
cor rect driver's seat position .............. 59
Fo lding thefo lding seat up/down ...... 66
front (adjust elect rically) .................... 62
Fr ont (adjusting manually, with
Seat Comfort Package) ...................... .61
Fr ont (adjusting mechanicall y,
without Seat Comfort Package) .......... 59
Fr ont (adjusting mechanically) ............ 61
Ins talling and removing rear ben ch
seat ....................................................66
Memory function ................................ 62
Operating the memory function ......... 64
Setting options ................................... 14
Tu rning (front seat) ............................ .65
Wi th Seat Comfort Package ................ 61
Wi thout Seat Comfort Package .......... 59
Securing luggage ............................72,19 5
Selecto r lever
see DIRECT SELECT le ver
Sensors (care) ....................................... 212
Service see ASS YST PLUS
Service (on-board computer) ..............16 6
Service center see Qualified specialist workshop
Service inter val display
see AS SYST PLUS
Service products Refrigerant (air conditioning) ............ 271
Setting the da teform at ....................... 180
Setting the distance unit .....................181
Setting the speed
see Cruise control 320
Index