Page 635 of 757

Display messages
Int
roduction In
fo rm ation about display messages
Displ aymessa ges appear on the multifunction
displa y.
Displ aymessa ges with graphic symbols are sim‐
plified in the Owner's Manual and may dif fer
from the symbols on the multifunction displa y.
The multifunction display sho wshigh-priority dis‐
play messages in red. Cer tain display messages
are accompanied byawa rning tone.
Please act in acco rdance with the display mes‐
sages and follow the additional no tes in the
Owner's Manual.
Fo r some display messa ges, a symbol will also
be shown:
R Õ Further information
R 00A4 Hide display message
Yo u can select the desired symbol byswiping
left or right on the left-hand Touch Control.
Press theÕ symbol toshow fur ther information on
the multifunction displa y.Press the00A4
symbol tohide the display message.
Yo u can hide lo w-priority display messages by
pressing theP button or the left-hand Touch
Control. The displ aymessa ges will then be
st ored in the message memor y.
Re ctify the cause of a display message as
qu ickly as possible.
High-priority display messages cannot be hid‐
den. The multifunction display sho wsthese dis‐
play messages continuously until the cause of
th e display message has been rectified.
Calling up sa ved displ aymessages
On-boa rdcompu ter:
4 Service 5
1 message
If th ere are no display messages available, No
messages will appear on the multifunction dis‐
pla y. #
Scroll thro ugh the display messages byswip‐
ing upwards or down wards on the left-hand
To uch Control. #
Toexitth e message memor y:press the
P button. 632
Display messages and warning/indicator lamps
Page 640 of 757

Key
Display messages
Possible causes/consequences and 0050
0050Solutions
À Replace key See Owner's
Manual *
Ve hicles with a digital vehicle key : only a few or no authorisations remain forst arting the engine. #
Make sure that the internet connection is not restricted bycer tain mobile phone settings. #
Open Mercedes me connect https://www.me rcedes.me and call up the Digital Vehicle Key service. #
Deactivate the service firs t and then activate it again. #
Ifth e display message still appears, con tact the Mercedes-Benz Cus tomer Assis tance Center (C AC).
* Ve hicles with a digital vehicle keyst icke r:on lyafe w or no authorisations remain forst arting the engine. #
Order a new digital vehicle keyst icke r from a Mercedes-Benz Service Centre or at the https://www.mercedes-
benz-mobile.com/.
Á
Replace key *T
hekey needs tobe replaced. #
Consult a qualified specialist workshop.
Á Change key batteries *T
hekey bat tery is dischar ged. #
Replace the battery (/ page81). Display messages and
warning/indicator lamps 637
Page 652 of 757
Display messages
Possible causes/consequences and 0050
0050Solutions #
Intheeve nt of a fire inthe engine compartment, keep the engine bonn etclosed and call thefire service. #
Wait until the engine has cooled down. #
Make sure that the air supply tothera diator is not impaired. #
Avoiding high loads on the engine, drive tothe nearest qualified specialist workshop. In doing so, ensure that
th e coolant temp erature display remains below 120 °C.
ÿ *T
hefan mo tor is defective. #
Avoiding high loads on the engine, drive tothe nearest qualified specialist workshop. In doing so, ensure that
th e coolant temp erature display remains below 120 °C.
00B6
Reserve fuel level *T
he fuel supply has dropped into there ser verange. #
Refuel.
003A
Clean the fuel filter *
Ve hicles with diesel engines: the fuel filter is dirty or thewate r inthe fuel filter needs tobe drained. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 649
Page 680 of 757

Mercedes me connect
Display messages
Possible causes/consequences and 0050
0050Solutions
Mercedes me connect
Services limited See Own-
er's Manual *S
ervice limited.
At least one of the main functions of the Mercedes me connect sy stem is malfunctioning. #
Obser vethe no tes on the diagnostics connection (/ page31). #
Consult a qualified specialist workshop.
0053 Inoperative *A
t least one of the main functions of the Mercedes me connect sy stem or of the SOS emer gency call sy stem is
malfunctioning. #
Consult a qualified specialist workshop. Battery
Display messages
Possible causes/consequences and 0050 0050Solutions
003D 12 V battery See Owner's
Manual *T
he engine is off and thech arge leve l is too lo w. #
Switch off electrical consumers that are not required.
To charge the battery: #
Lea vethe engine running for a few minutes, or drive an extended di stance.
*I fth e message appears while the engine is running, this indicates an on-board elect rical sy stem malfunction. Display messages and
warning/indicator lamps 677
Page 697 of 757

Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions
R Coolant le velto o low
R The air supply tothera diator is obstructed
R The radiator fan is faulty
If th ere is an additional warning tone, the coolant temp erature has exceeded 120 °C. &
WARNING Danger of bu rns when opening the bonn et
If yo u open the engine bonn etwhen the engine has overheated or during a fire inthe engine compartment, you
could come into contact wi thhot gases or other escaping operating fluids. #
Before opening the bonn et, allow the engine tocool down. #
Intheeve nt of a fire inthe engine compartment, keep the engine bonn etclosed and call thefire service. #
Stop theve hicle immediately in accordance with the traf fic conditions and switch off the engine. Do not continue
driving. #
Notethe messages on the multifunction displa y.
If th e coolant temp erature display is at the lo wer end of thete mp erature scale: #
Consult a qualified specialist workshop.
or #
Exit theve hicle and keep a safe dis tance from it until the engine has cooled down. #
Check the coolant le vel (/ page 522). 694
Display messages and warning/indicator lamps
Page 710 of 757

Burmes
ter®
sur round sound sy stem ... 505
Ad justing the mid- range, treble and
bass
Burmes ter®
high-end 3D sur round
sound sy stem ...................................... 506
Burmes ter®
sur round sound sy stem ... 505
Ad justing the sound focus
Burmes ter®
sur round sound sy stem ... 506
Ad justing the sound optimisation
Burmes ter®
high-end 3D sur round
sound sy stem ...................................... 507
Ad justing treble, mid- range and bass
settings
Burmes ter®
high-end 3D sur round
sound sy stem ...................................... 506
Burmes ter®
sur round sound sy stem ... 505
ADS PLUS damping sy stem
see AIRMATIC
Af ter-sales service centre
see ASS YST PLUS
Air conditioning menu Calling up ............................................. 161Air conditioning sy
stem
see Climate control
Air distribution Setting ................................................ .159
Setting (MBUX multimedia sy stem) ..... 16 2
Air freshener sy stem
see Frag rance sy stem
Air inlet see Air-water duct
Air pressure see Tyre pressure
Air suspension see AIRMATIC
Air vents ................................................... 17 0
Ad justing (front) ................................... 17 0
Ad justing (rear) .................................... 171
Glo vebox .............................................1 71
Air vents
see Air vents
Ai r-re circulation mode ............................ 16 3
Air-water duct .......................................... 524
Ke eping free ........................................5 24Airbag
........................................................ .42
Ac tivation .............................................. 37
Fr ont airbag (driver, front passenger) ....42
Ins tallation locations ............................ .42
Knee airbag ........................................... 42
Overview ............................................... 42
PA SSENGER AIR BAG indicator lamp .... .47
Pr otection ..............................................43
Re duced pr otection ...............................45
Side airbag ............................................ 42
Wi ndow airbag ....................................... 42
Ai rflow
Setting ................................................ .159
AIRMATIC ................................................. .246
Setting ................................................. 24 9
Suspension .......................................... 24 6
Alarm sy stem
see ATA (anti-theft alarm sy stem)
All-wheel drive see 4MATIC
Alternative route
see Route Index
707