Vo
ice command Function
Energy flow To
display energy flow settings
Ionisation menu To
display ionisation settings
Climate control menu To
display climate control settings
Automatic climate control driver on To
switch on the automatic climate control settings on the driver's side
Light menu To
display light settings
Massage menu To
display massage settings
Massage driver's seat on To
switch on the massage function forth e driver's seat
Massage driver's seat off To
switch off the massage function forth e driver's seat
Outside temperature To
display the outside temp erature
Engine data To
display engine data
Seats menu To
display seat adjustment settings
Seat heating front passenger level "2" To
set the seat heating forth e front passenger seat toleve l 2
Consumption menu To
display consum ption
Vehicle data To
display vehicle data LINGU
ATRO NIC 251
#
Turn cap 1anti-clockwise and remo veit. #
Top up thewa sher fluid. #
Replace cap 1and turn it clockwise as far
as it will go. Ke
eping the air-water duct free #
Keep the area between the bonn etand the
windscreen free of deposits, e.g. ice, sn ow
and lea ves. Cleaning and care
Information on
washing theve hicle in a car
wa sh &
WARNING Risk of an accident due to
re duced braking po wer af terwa shing the
ve hicle
Braking ef ficiency is reduced af terwa shing
th eve hicle. #
Afterth eve hicle has been washed,
brake carefully while paying attention to
th e traf fic conditions until braking
po we r has been fully restored. *
NO
TEDama gedue tounsuitable car
wa sh #
Before driving into a car wash make
sure that the car wash is suitable for
th eve hicle dimensions. #
Ensure there is suf ficient ground clear‐
ance between the underbody and the
guide rails of the car wash. #
Ensure that the clearance width of the
car wash, in particular the width of the
guide rails, is suf ficient. To
avo id damage to yourvehicle when using a
car wash, ensure thefo llowing beforehand:
R Active Dis tance Assi stDISTRONIC and the
HOLD function are deactivated.
R the 360° Camera or there ve rsing camera is
switched off.
R the side windo wsand sliding sun roof are
comple tely closed.
R the blo werfo rth eve ntilation/heating is
switched off. Maintenance and care
381
Obser
vethefo llowing information: Cleaning and car
eA voiding vehicle damage
Seat belts Clean with lukewarmand soapy water. R
Do not use chemical cleaning agents.
R Do not dry seat belts byheating them toove r 80 °C or
ex posing them todirect sunlight.
Display Cleanthe sur face carefully wi tha mic rofibre clo thand a suit‐
able display care product (TFT/LCD). R
Swit choff the display and let it cool down.
R Do not use any other cleaning products.
Plastic trim R
Clean with a damp microfibre clo th.
R For heavy soiling: use care product recommended for
Mercedes-Benz. R
Do not attach sticke rs,fi lms or similar materials.
R Do not allow cosmetics, insect repellent or sun cream to
come in contact wi th the plastic trim.
Re alwo od/t rim
inse rts R
Clean with a mic rofibre clo th.
R Blackpiano-lac quer look: clean with a damp clo thand
soapy water.
R For heavy soiling: use care product recommended for
Mercedes-Benz. Do not use sol
vent-based cleaning agents, polishes or waxes.
Ro of lining
Clean with a brush or dry shampoo.
Carpet Use carpet andtextile cleaning agents recommended for
Mercedes-Benz. Maintenance and care
389
While
the engine is running, component
pa rts in theex haust sy stem may overheat
without warning. #
Neverre fuel using petrol in diesel
engines. #
Never mix petrol with diesel fuel. *
NO
TEDama gecaused bythe wrong fuel Even small amounts of
the wrong fuel could
re sult in damage tothe fuel sy stem, the
engine and the emission control sy stem. #
Only refuel using sulphu r-free diesel
fuel that con form sto European stand‐
ard EN 590, or an equivalent specifica‐
tion.
In countries without sulphur-f ree diesel
fuel, refuel using only lo w-sulphur diesel
fuel with a sulphur content less than
50 ppm. #
Vehicles without diesel particulate
fi lter: refuel using only diesel fuel with
a sulphur content less than 500 ppm. Ne
verre fuel with one of thefo llowing fuels:
R petrol
R marine diesel
R heating oil
R pure bio-diesel fuel or vege table oil
R paraf fin or kerosene
If yo u ha veacciden tally refuelled with the
wrong fuel: #
Do not swit ch the ignition on. #
Consult a qualified specialist workshop. The
following compatibility indication for fuel
applies to yourvehicle: 1
For diesel fuel with a maximum of 7% byvol‐
ume bio-diesel (fatty acid me thyl es ter)
Ac cording toEuropean standard EN 1694 2you
can find the compatibility indications at thefo l‐
lowing locations:
R onthe instruction label on the fuel filler flap
R onthe fuel pump or pump nozzle suitable for
yo ur vehicle thro ughout Europe
Information on low outside temperatures
Re fuel your vehicle with as much winter diesel
fuel as possible at the beginning of winter.
Before changing overto winter diesel fuel, the
fuel tank should be em pty, if possible. When first 432
Tech nical da ta
#
Allow the engine tocool down before
yo uto p up the antif reeze. #
Make sure that no antifreeze spills out
next tothefiller opening. #
Thoroughly clean the antif reeze from
component parts before starting the
ve hicle. *
NO
TEDama gecaused byincor rect cool‐
ant #
Only add coolant that has been pre‐
mixed with therequ ired antifreeze pro‐
te ction.
Information on coolant is available at thefo l‐
lowing locations:
R inthe Mercedes-Benz Specification for
Operating Fluids 310.1
- at http://be vo.mercedes-benz.com
- inthe Mercedes-Benz BeVo app
R at a qualified specialist workshop *
NO
TEOverheating at high outside tem‐
peratures If an inapp
ropriate coolant is used, the
engine cooling sy stem is not suf ficiently pro‐
te cted against overheating and cor rosion at
high outside temp eratures. #
Alw ays use coolant appr ovedby
Mercedes-Benz. #
Obser vethe instructions in the
Mercedes-Benz Specifications for Oper‐
ating Fluids 310.1. Ha
ve the coolant regularly replaced at a qualified
specialist workshop.
The proportion of cor rosion inhibitor/antifreeze
concentrate in the engine cooling sy stem should
be:
R a minimum of 50% (antifreeze pr otection
down toappr oximately -37 °C)
R a maximum of 55% (antifreeze pr otection
down to-45 °C) Note
s on windscreen washer fluid Obser
vethe no tes on operating fluids
(/ page 429). &
WARNING ‑ Risk of fire and injury due to
windscreen washer concentrate
Wi ndsc reen washer concentrate is highly
fl ammable. It could ignite if it comes into
con tact wi thhot engine component parts or
th eex haust sy stem. #
Make sure that no windsc reen washer
concentrate spills out next tothefiller
opening. *
NO
TEDama getotheex terior lighting
due tounsuitable windsc reen washer
fl uid Uns
uitable windsc reen washer fluids may
damage the plastic sur face of theex terior
lighting. #
Only use windscreen washer fluids
which are also suitable for use on plas‐ 436
Tech nical da ta
Display messages
Possible causes/consequences and M
MSolutions
N permanently active Risk
of vehicle rolling *
While theve hicle is rolling or while you are driving, the transmission has been shif tedto position i. #
Depress the brake pedal tostop and, when theve hicle is stationar y,shift the transmission toposition j. #
Tocontinue your journe y,shift the transmission toposition hork.
Stop vehicle Leave engine
running Wait Transmission
cooling *T
he transmission is overheating. Pulling away may be temp orarily impaired or not possible. #
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. #
Lea vethe engine running. #
Wait until the display message disappears before pulling away.
To shift out of P or N,
depress brake and start
engine *
Yo u ha veattem ptedto shift the transmission out of position jori into ano ther transmission position. #
Depress the brake pedal. #
Start the engine.
Apply brake to deselect
Park (P) position *
Yo u ha veattem ptedto shift the transmission out of position jand into ano ther transmission position. #
Depress the brake pedal.
Without changing gear,
consult workshop *T
he transmission is malfunctioning. The transmission position can no longer be shif ted. #
When the transmission is in position h, consult aqualified specialist workshop and do not change the trans‐
mission position. #
For all other transmission positions, park theve hicle safely. #
Consult a qualified specialist workshop. 472
Displaymessa ges and warning/indicator lamps
Display messages
Possible causes/consequences and M
MSolutions
Ty res with insuf ficient tyre pressure ma y,forex ample, af fect theve hicle's handling characteristics, steering and
braking. ‑ #
Have the tyre pressure monitoring sy stem checked at a qualified specialist workshop. #
Consult a qualified specialist workshop.
Tyre(s) overheated *A
t least one tyre is overheating. The af fected tyres are displ ayed in red. At temp eratures close tothe limit value,
th e tyres are displa yed in yello w. #
Drive more sl owly.
Reduce speed *A
t least one tyre is overheating. The af fected tyres are displ ayed in red. At temp eratures close tothe limit value,
th e tyres are displa yed in yello w. &
WARNING Risk of an accident from driving wi thove rheated tyres
Overheated tyres may bur st, particularly at high speeds. #
Reduce speed so that the tyres cool down. #
Reduce speed so that the tyres cool down. Display messages and
warning/indicator lamps 477
Child seat
App rova l categories .............................. .52
At tach ing (no tes) ................................... 51
Basic instructions .................................. 44
Fr ont passenger seat (no tes) ................. 66
Fr ont passenger seat (without auto‐
matic airbag shutoff) ............................. 65
ISOFIX/i-Size (fitting) ............................58
No tes on risks and dangers ...................45
Re commended child restra int sys‐
te ms ...................................................... 48
Seats suita blefor belt-secu redch ild
re stra int sy stems ................................... 62
Seats suitable for i‑Size child
re stra int sy stems ................................... 57
Seats suitable for ISOFIX child
re stra int sy stems ................................... 54
Secu ring on the front passenger seat ....67
Secu ring on there ar seat ...................... 64
To pTe ther ..............................................60
Child ren
Av oiding dangers in theve hicle .............45
Basic instructions .................................. 44
CI+ module .............................................. 358
Calling up a menu ................................ 358 CI+ module (TV)
Inserting a Smart Card ........................ 358
Cigar ette lighter
Fr ont centre console ............................ 11 2
Re ar .................................................... .112
City lighting .............................................. 121
Cleaning see Care
Climate control Activating/deactivating the A/C
function (cont rol panel) ...................... .133
Ac tivating/deactivating the A/C
function (multimedia sy stem) .............. 13 3
Ac tivating/deactivating the synchro‐
nisation function (multimedia sys‐
te m) ..................................................... 13 4
Air di stribution settings .......................1 34
Air-recirculation mode ......................... 13 4
Au tomatic control ................................ 13 3
Climate style function .......................... 13 4
Demi sting windo ws............................. 13 4
Fr ont air vents ..................................... 14 0
Ionisation ............................................. 13 5
No te .................................................... 13 2Re
ar air vents ...................................... 14 0
Re ar operating unit .............................. 13 2
Re sidual heat ....................................... 13 5
Setting the climate style ......................1 34
St ationary heater/ ventilation .............. 13 5
Switching on/off ................................. 13 3
THERMOTRONIC contro l panel ............13 2
Ve ntilating theve hicle (con venience
opening) ................................................ 79
Wi ndsc reen heating ............................. 13 5
Climate style
Fu nction .............................................. 13 4
Setting ................................................. 13 4
Cockpit ........................................................ .6
Overview .................................................6
Cof fee cup symbol
see ATTENTION ASSIST
COMAND Online see Multimedia sy stem
COMAND Touch
Managing devices ................................ 266
Combination switch .................................11 9
Compass .................................................. 298 Index
511