ASS
YST PLUS se rvice inter val display Fu
nction of the ASS YST PLUS se rvice inter val
displ ay The ASS
YST PLUS service inter val display on the
instrument display pr ovides information on the
re maining time or dis tance be fore the next
service due date.
Yo u can hide this service message byusing the
back button on the left-hand side of thesteering
wheel.
Yo u can obtain fur ther information concerning
th e servicing of your vehicle from a qualified spe‐
cialist workshop, e.g. an authorized Mercedes-
Benz Center. Displaying
the service due da te On-board computer:
4 Service 5
ASSYST PLUS
The next service due date is displa yed. #
Toexitth e displa y:press the back button on
th e left-hand side of thesteering wheel.
Bear in mind thefo llowing related topic:
R Operating the on-board com‐
puter(/ page176) Ca
rrying out maintenance workregular ly *
NO
TEPremature wearthro ugh failure to
obser veservice due dates Service
workwhich is not car ried out at the
ri ght time or incomple tely can lead to
inc reased wear and damage totheve hicle. #
Always obser vethe prescribed service
inter vals. #
Always ha vethe prescribed service
wo rkcar ried out at a qualified specialist
wo rkshop. Special service
requ irements The prescribed service inter
val is based on nor‐
mal vehicle use. Maintenance workwill need to
be per form ed more of tenth an presc ribed if the
ve hicle is operated under arduous conditions or
increased loads. Examples of arduous operating conditions:
R Regular city driving with frequent intermedi‐
ate stops
R Mainly short-dis tance driving
R Frequent operation in mountainous terrain or
on poor road sur faces
R When the engine is of ten le ftidling for long
periods
R Operation in particula rly dusty conditions
and/or if air-reci rculation mode is frequently
used
In these or similar operating conditions, ha vethe
interior air filter, engine air cleaner, engine oil and
oil filter etc. changed more frequently. If theve hi‐
cle is subjected tohigher loads, the tires must be
ch ecked more frequentl y.Yo u can obtain fur ther
information at a qualified specialist workshop. Battery disconnection periods
The ASS
YST PLUS se rvice inter val display can
only calculate the service due date when the
battery is connected. #
Notedown the service due date displa yed on
th e Instrument Display before disconnecting
th e battery (/ page278). Engine compa
rtment Opening and closing the hood
&
WARNING Risk of accident if the engine
hood is unlatched while driving
An unloc ked engine hood may open up when
th eve hicle is in motion and block your vie w. #
Never unlatch the engine hood while
driving. #
Before every trip, ensure that the engine
hood is latched. &
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. 278
Maintenance and care
#
Neverto uch the danger zone sur round‐
ing moving component parts, e.g. the
ro tation area of thefa n. #
Remo vejewe lry and watches. #
Keep items of clo thing and hair away
from moving parts. &
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. 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 #
Open the hood (/ page278). #
Remo vedirt from water drain valve 2 of air
intake box 1. Draining
the fuel filter &
WARNING Danger of fire and explosion
due tofuel
Fu els are highly flammable. #
It is essential toavoid fire , open flames,
smoking and creating spar ks. #
Before filling up, switch off the engine,
and, if applicable, the auxiliary heating. &
WARNING Risk offire and explosion due
to fuel
Fu els are highly flammable. There is a risk of
fi re and explosion due tocontact wi thhot
component parts. #
Allow the engine and theex haust sys‐
te m to cool down. *
NO
TEEngine damage due todela yed
drainage of the fuel filter Ve
hicles with a diesel engine: delayed
drainage of the fuel filter can lead toengine
damage.
If th e003A indicator lamp lights up, drain the
fuel filter immediately. +
ENVIRONMENTAL
NOTEEnvironmental
pollution due todisposal in a non-envi‐
ro nmental ly-friendly manner #
Dispose of thewate r/fuel mixture in an
environmentally-friendly manner. OM642 engine
#
Park theve hicle in a safe location and secure
it against rolling away. #
Switch off the auxiliary heating
(/ page 106). #
Switch off the engine. #
Open the hood (/ page278). Mai
ntenance and care 285
Fu
el Note
s on fuel grades on vehicles with a gaso‐
line engine
Obser vethe no tes on operating fluids
(/ page 340).
* NO
TEDo not use diesel torefuel vehicles
with a gasoline engine. If
yo u acciden tally refuel with the wrong fuel:
R Do not switch on the ignition. Otherwise
fuel can enter the engine.
Even small amounts of the wrong fuel
could result in damage tothe fuel sy stem
and the engine. The repair costs are high. #
Contact a qualified specialist workshop. #
Have the fuel tank and fuel lines drained
comple tely. Only
refuel using lo w-sulfur regular fuel with at
least 87AKI/91 RON.
% E10 fuel contains an additive of up
to10%
et hanol. Your vehicle is suitable for use with
E10 fuel. You can fuel your vehicle with E10
fuel.
* NO
TEDama gecaused bythe wrong fuel Even small amounts of
the wrong fuel could
re sult in damage tothe fuel sy stem, engine
and exhaust sy stem. #
Only refuel with there commended fuel. *
NO
TEDama gecaused bythe wrong fuel Even small amounts of
the wrong fuel could
re sult in damage tothe fuel sy stem, engine
and exhaust sy stem.
Ne verre fuel with thefo llowing:
R Diesel
R Gasoline with more than 10%ethanol by
vo lume, e.g. E15, E20, E85, E100
R Gasoline with more than 3% me thanol by
vo lume, e.g. M15, M30, M85, M100
R Gasoline with additives con taining me tal #
Do not mix su chfuels with the fuel rec‐
ommended foryo ur vehicle. %
To
ensure the long evity and per form ance of
th e engine, only unleaded regular gasoline
may be used. No
tethat the higher quality premium grade
ga soline can be refueled at any time.
If yo u are using drums or canis ters to refuel the
ve hicle, you should filter the fuel before filling.
This will pr event malfunctions in the fuel sy stem
due tocontaminated fuel.
Usually you will find information about the fuel
grade on the fuel pump. If there is no identifica‐
tion on the fuel pump, consult a gasst ation
attendant.
% Fo
r fur ther information, contact a qualified
specialist workshop or visit http://
www.mbusa.com (USA only).
Note s on additives in gasoline
Obser vethe no tes on operating fluids
(/ page 340).
* NO
TEDama gefrom use of unsuitable
additives Even small amounts of
the wrong additive
may lead tomalfunctions. #
Only add cleaning additives recommen‐
ded byMercedes-Benzto the fuel. Mercedes-Benz
recommends using brand-name
fuels wi thadditives.
In some countries, theav ailable fuel may not con‐
ta in suf ficient amounts of additi ves. Deposits
could build up in the fuel injection sy stem as a
re sult.
In this case, in consultation with an authorized
Mercedes-Benz Center, the fuel should be mixed
with the cleaning additive recommended by
Mercedes-Benz.
Yo u must obse rveth e no tes and mixing ratios
indica ted on the container.
Note s on fuel grades on vehicles with diesel
engines
Gene ral no tes
Obser vethe no tes on operating fluids
(/ page 340). &
WARNING Risk offire from fuel mixture
If yo u mix diesel fuel with gasoline, theflash
point of the fuel mixture is lo werth an that of
pure diesel fuel.
While the engine is running, component pa rts
in theex haust sy stem may overheat without
wa rning. Te
ch nical da ta341
#
Neverre fuel using gasoline in diesel
engines. #
Never mix gasoline with diesel fuel. *
NO
TEDama gedue toincor rect fuel Even small amounts of
the wrong fuel could
re sult in damage tothe fuel sy stem, the
engine and emission cont rol sy stem.
Ne verre fuel with:
R Gasoline
R Marine diesel
R Heating oil
R Pure bio-diesel or vege tab le oil
R Paraffin or kerosene #
Do not mix such fuels with diesel fuel
and do not use any special additives.
If yo u ha veaccidentally refueled with the
wrong fuel, obser vethefo llowing: #
Do not switch on the ignition. #
Consult a qualified specialist workshop. *
NO
TEMalfunctions due tocontaminated
fuel Fu
el contamination can lead tomalfunctions
in the fuel sy stem. #
Ifyo u are using drums or canis ters to
re fuel theve hicle, you should filter the
fuel before filling. *
NO
TEDama gedue toincor rect fuel Incor
rect fuel can lead toengine damage. #
Refuel only ULSD or diesel fuel with a
sulfur content of maximum 15ppm. Usually
you will find information about the fuel
grade on the fuel pump. If there is no identifica‐
tion on the fuel pump, consult a gasst ation
attendant.
The fuel grade recommended foryo ur vehicle is
fo und on the instruction label in the fuel filler
fl ap . Note
s on low outside temperatures &
WARNING Risk offire and explosion due
to fuel igniting
If yo u heat fuel sy stem components, e.g. with
a heat gun or open flame, these components
could be damaged.
Fu el may leak out and ignite. Depending on
th e type of damage, fuel might not escape
until the engine is running. #
Never heat fuel sy stem components. #
Consult a qualified specialist workshop
to have the malfunction rectified. Re
fill only with commercially available ULTRA-
LO W SULFUR DIESEL (ULSD, maximum sulfur
content 15ppm), which fulfills the ASTM D9 75
st andard.
The flow properties of diesel fuel may be inade‐
qu ate at low outside temp eratures due toparaf fin
separation.
% Malfunctions
resulting from paraf fin separa‐
tion can only be rectified byheating the
entire fuel sy stem. Park theve hicle in a
heated garage ,fo rex ample.
To prev ent malfunctions, diesel fuel with
impr oved flow ch aracteristics is available in the
winter mon ths. Yo u can obtain fur ther informa‐
tion on this at thega sst ation or from your fuel
supplier.
Yo ur vehicle is equipped with a fuel preheating
sy stem. This additionally impr ovesth eflow char‐
acteristics of the diesel fuel byabout 14.5 °F
(8 °C). ULTR A-LO W SULFUR DIESEL can be used
without risk of malfunction down toan outside
te mp erature of appr oximately 14.5 °F (-10 °C).
* NO
TEDama gedue togasoline or paraf fin Gasoline or paraf
fin in diesel fuel impairs the
lubricity of the fuel. This can result in damage
to the fuel injection sy stem, forex ample. #
Do not add any gasoline or paraf fin to
diesel fuel toimpr oveitsflow character‐
istics. B20 fuels with bio-diesel content
* NO
TEDama gedue toincor rect fuel Continuous use of fuels wi
thbio-diesel con‐
te nt ove r 5% (B20 fuels) can lead tofuel filter 342
Tech nical da ta
Display messages
Possible causes/consequences and 0050 0050Solutions
Active Lane Keeping
Assist Inoperative *A
ctive Lane Keeping Assist is malfunctioning (/ page167). #
Visit a qualified specialist workshop.
Active Lane Keeping
Assist Currently Unavail-
able See Operator's Man-
ual *A
ctive Lane Keeping Assist is temp orarily una vailable (/ page167).
The ambient conditions are outside the sy stem limits (/ page167). #
Drive on.
When the ambient conditions are within the sy stem limits, the
sy stem will be available again.
If th e display message does not disappear: #
Stop in accordance with the tra ffic conditions. #
Clean the windshield.
Û
ATTENTION ASSIST Inop-
erative *A
TTENTION ASSIST is malfunctioning. #
Visit a qualified specialist workshop.
Û
ATTENTION ASSIST:
Take a Break! *A
TTENTION ASSIST has de tected fatigue or increasing inattenti ve‐
ness on the driver's part (/ page162). #
Ifnecessa ry,ta ke a break. Engine
Displ
aymessages
Possible causes/consequences and 0050 0050Solutions
00D4
Fuel Level Low *T
he fuel supplies ha vereached there ser veleve l. #
Refuel.
009E
Replace Air Filter *
Ve hicles with a diesel engine: The engine airfilter is clogged and
must be replaced. #
Visit a qualified specialist workshop.
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 285). 364
Display messa ges and warning and indicator lamps
Display messages
Possible causes/consequences and 0050 0050Solutions &
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. #
Avoiding high engine loads, continue tothe nearest qualified
specialist workshop. Ensure that the coolant temp erature dis‐
play remains below 248°F (120°C).
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 282).
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.
The load condition of the diesel particulate filter is over 50% and the
message still appears on the instrument clus ter. Displ
aymessa ges and warning and indicator lamps 367
Direction indicator
see Indicator
Display (care) ........................................ 290
Display (MBUX multimedia sy stem)
Settings ............................................ 209
Display (multimedia sy stem) .............. 200
Home screen .................................... 19 9
No tes ................................................ 19 8
Operating ......................................... 200
Setting acoustic operating feed‐
back .................................................2 00
Display (on-board comp uter)............... 17 7
Display message .................................. 355
Calling up (on-board co mputer) ........ 355
No tes ............................................... 355
Display messages 00AC ............................................... 364
00B2 - - -mph................................... 361
003D 12V Battery See Operator's
Manual .............................................3 66
0099 Additive Sy stem Fault Emer‐
ge ncy Op.: XXX mph See Opera‐
to r's Manual .................................... .369
0099 Additive Sy stem Fault See
Operator's Manual ...........................368
0099 Additive Sy stem Fault Starts
until Emerg. Op.: XXX See Opera‐
to r's Manual .................................... .368
Û ATTENTION ASSIST Inopera‐
tive ................................................... 364
Û ATTENTION ASSIS T:Take a
Break! ............................................... 364
0049 AutoLamp Function Inopera‐
tive .................................................. .375
004D Check Brake Fluid Le vel.......... 358
00AC Check Coolant Le vel See
Opera tor's Manual ............................ 367
00B2 Check Engine Oil AtNext
Re fueling .......................................... 366
00B2 CheckEngine Oil Le vel (Add
1 Liter) ............................................ .365
003A CheckFuel Filter ..................... 364
0049 Check Left Low Beam (e xam‐
ple) .................................................. .376
0077 Check Tire s ............................. 37000B2
Check Washer Fluid ................. 371
00AC Coolant Too Hot Stop Vehicle
Tu rn Engine Off ................................ 366
00CE Currently Un available Cam‐
era Dirty .......................................... .362
0025 Currently Un available See
Operator's Manual ...........................360
00E5 Currently Un available See
Operator's Manual ...........................360
00AF Don't Forget Your Key............ .370
00B3 Engine Oil Le vel Cann otBe
Measured ......................................... 365
00B2 Engine Oil Le vel Low Stop
Ve hicle Turn Engine Off .................... 365
00B2 Engine Oil Pressure Stop
Switch Off Engine ............................. 365
00B2 Engine Oil Reduce Oil Le vel.... .3 65
0075 Front Left Malfunction
Service Required (e xample).............. 356
00D4 Fuel Le vel Low ........................ 364
0024 Incline TooSt eep See Opera‐
to r's Manual ..................................... 357
003B Inoperative Battery Low ..........372
003B Inoperative Refuel Vehicle .......3 72
0025 Inoperative See Operator's
Manual .............................................3 60
00E5 Inoperative See Operator's
Manual ............................................. 359
007A Inoperative See Operator's
Manual ............................................. 359
003B Inoperative See Operator ’s
Manual ............................................. 372
00AF KeyNot De tected (red dis‐
pl ay messa ge)...................................3 71
00AF KeyNot De tected (white dis‐
pl ay messa ge)...................................3 71
0075 Left Side Cur tain Airbag Mal‐
function Service Required (e xam‐
ple) .................................................. .356
0049 Malfunction See Operator ’s
Manual ............................................. 375
ð Maximum Speed Exceeded ..... 361
00AF Obtain a New Key.................... 371 392
Index
00B2
Off...........................................3 61
00D9 Off...........................................3 62
0024 Parking Brake Inoperative .......3 57
0024 Parking Brake See Opera tor's
Manual ............................................. 357
00AF Place theKe y in the Mar ked
Space See Ope rator's Manual ..........370
0077 Please Cor rect Tire Pressure ...370
00E2 Refill Ad ditive Emer gency
Op.: XXX mph See Operator's Man‐
ual ....................................................3 68
00E2 Refill Ad ditive See Operator's
Manual .............................................3 68
00E2 Refill Ad ditive Starts until
Emerg. Op.: XXX See Operator's
Manual ............................................ .368
009E Replace Air Filter .....................3 64
00AF Replace Key Bat tery ................ 371
003D See Ope rator's Manual ........... 366
0075 SRS Malfunction Service
Re quired .......................................... .356
00CC Steering Malfunction
Incre ased Ph ysical Ef fort See
Ope rator's Manual ............................ 372
00CC Steering Malfunction Stop
Immediately See Operator's Man‐
ual ....................................................3 72
g Step Not Exte nded See Oper‐
ator's Manual or Step Not Exte n‐
ded Malfunction ................................ 374
003D Stop Vehicle Lea veEngine
Ru nning ............................................ 366
003D Stop Vehicle See Operator's
Manual ............................................. 366
0049 Switch Off Lights .....................375
0049 Switch On Headlamps .............375
0077 Tire Press. Sen. Missing ..........369
0072 Vehicle Operational Switch
th e Ignition Off Before Exiting ...........373
x Vehicle Trac ker has been
activated. De tails: see manual or
associated mobile app. or Vehi‐ cle locating activated – see manual
or mobile app. ..................................3 74
0077 Warning Tire Malfunction ........ 369
Ac tive Brake Assi stFunctions Cur‐
re ntly Limited See Ope rator's Man‐
ual .................................................... 358
Ac tive Brake Assi stFunctions Limi‐
te d See Operator's Manual .............. 358
Ac tive Dis tance Assi stCur rently
Un available See Operator's Manual
.......................................................... 361
Ac tive Dis tance Assi stInoperative .... 361
Ac tive Dis tance Assi stNow Availa‐
ble .................................................... 362
Ac tive Lane Keeping Assist Camera
Vi ew Restricted See Ope rator's
Manual ............................................. 363
Ac tive Lane Keeping Assist Cur‐
re ntly Una vailable See Opera tor's
Manual ............................................. 364
Ac tive Lane Keeping Assist Inoper‐
ative .................................................3 64
Ad aptive Highbeam Assist Camera
Vi ew Restricted See Ope rator's
Manual ............................................. 375
Ad aptive Highbeam Assist Cur‐
re ntly Una vailable See Opera tor's
Manual ............................................. 375
Ad aptive Highbeam Assist Inopera‐
tive .................................................. .375
Air Conditioning Malfunction See
Ope rator's Manual ............................ 373
App lyBrake toShift from 'P' .............374
Au xilia ryBattery Malfunction ...........373
Blind Spot Assi stCur rently
Un available See Operator's Manual
.......................................................... 363
Blind Spot Assist Inoperative ............ 363
Blind Spot Assist Trailer NotMoni‐
to re d ................................................ 363
Check Brake Pads See Operator's
Manual .............................................3 58
Cruise Control Inoperative ................ 361 Index
393