Page 385 of 557

tot
al loss of pressure in one or more tyres. How‐
eve r,th e tyre af fected must not show any clearly
visible damage.
Yo u can recognise MOExtended tyres bythe
MOExtended marking which appears on the side
wa ll of the tyre.
Ve hicles with tyre pressure loss warning sys‐
te m: MOExtended tyres may only be used in
conjunction wi than activated tyre pressure loss
wa rning sy stem.
Ve hicles with tyre pressure monitoring sys‐
te m: MOExtended tyres may only be used in
conjunction wi than activated tyre pressure mon‐
itoring sy stem.
If a pressure loss warning message appears in
th e multifunction display:
R Check the tyres for dama ge
R If driving on, obser vethefo llowing no tes &
WARNING Risk of accident when driving
in run-flat mode
When driving in run-flat mode, the handling
ch aracteristics are impaired. e.g. when cor‐ nering, when accelerating
stronglyand when
braking. #
Do not exceed the maximum permissi‐
ble speed. #
Avoid any abrupt steering and driving
manoeuvres as well as driving over
obs tacles (kerbs, pot holes, off-road).
This applies, in pa rticular, toa loaded
ve hicle. #
Stop driving in run-flat mode if you
notice:
R banging noise
R vehicle vibration
R smoke which smells like rubber
R continuous ESP ®
inter vention
R crac ksin tyre side walls #
After driving in run-flat mode, ha vethe
ri ms checkedby aqu alified specialist
wo rkshop with rega rd totheir fur ther
use. #
The defective tyre must be replaced in
eve rycase. Driving distance possible in li
mp-home mode
af te r the pressure loss warning Load condition Driving distance pos‐
sible in limp-homemode
Pa rtially laden 80 km
Fu lly laden 30 km R
The driving dis tance possible in li mp-home
mode may vary depending on the driving
st yle.
R Maximum permissible speed 80 km/h.
If a tyre has gone flat and cannot be replaced
with an MOEx tended tyre, a standard tyre may
be used as a temp orary measure. TIREFIT kit
storage location The TIREFIT kit is located under
the boot floor. 382
Breakdown assis tance
Page 450 of 557

Display messages
Possible causes/consequences and M
MSolutions
Brake immediately *
Ve hicles with manual transmission: a malfunction has occurred while the HOLD function was activated.
A tone may also sound at regular inter vals. If you attem pttolock theve hicle, theto ne becomes louder.
Yo u cannot start the engine. #
Immediately depress the brake pedal firm lyuntil the display message disappears.
Yo u can restart the engine.
J
Check brake fluid level *T
here is insuf ficient brake fluid in the brake fluid reser voir. &
WARNING Risk of an accident due tolow brake fluid le vel
If th e brake fluid le vel is too lo w,the braking ef fect and the braking characteristics may be impaired. #
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. #
Consult a qualified specialist workshop.
Do not top up the brake fluid. #
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. #
Consult a qualified specialist workshop.
Do not top up the brake fluid. Display messages and
warning/indicator lamps 447
Page 455 of 557

Display messages
Possible causes/consequences and M
MSolutions
G Inoperative *O
ne or more main functions of the Mercedes me connect sy stem is/are malfunctioning. #
Consult a qualified specialist workshop.
Front-passenger airbag dis-
abled See Owner's Manual *T
he front passenger airbag is disabled, eventh ough an adult or a person with a build cor responding tothat of an
adult is seated on the front passenger seat. If additional forc es are applied tothe seat, thewe ight the sy stem
de tects may be too lo w. &
WARNING ‑ Risk of inju ryor eve nfa ta l injury when the front passenger airbag is disabled
If th e front passenger airbag is disabled, It will not be deplo yed in theeve nt of an accident and cannot pe rform
its intended pr otective function.
A person in the front passenger seat could then, forex ample, come into con tact wi th theve hicle interior, espe‐
cially if the person is sitting too close tothe dashboard. #
Beaware of thest atus of the front passenger airbag bo thbefore and during the journe y. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. #
Check thest atus of the automatic front passenger airbag shutoff . #
If necessar y,consult a qualified specialist workshop immediatel y.452
Display messages and warning/indicator lamps
Page 456 of 557

Display messages
Possible causes/consequences and M
MSolutions
Front-passenger airbag
enabled See Owner's Man-
ual *T
he front passenger airbag is enabled while theve hicle is in motion:
R Even when a child, a small adult or an object weighing less than the sy stem weight thre shold is located on the
front passenger seat.
R Even when the front passenger seat is not occupied.
The sy stem may de tect objects or forc es that are adding tothewe ight applied tothe seat. &
WARNING ‑ Risk of inju ryor even fata l injury from using a child restra int sy stem when the front passenger
airbag is enabled
If yo u secure a child in a child restra int sy stem on the front passenger seat and the front passenger airbag is
enabled, the front passenger airbag can deploy in theev ent of an accident.
The child could be stru ck bythe airbag. #
Beaware of thest atus of the front passenger airbag bo thbefore and during the journe y. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions. #
Check thest atus of the automatic front passenger airbag shutoff . #
If necessar y,consult a qualified specialist workshop immediatel y. Displ
aymessa ges and warning/indicator lamps 453
Page 459 of 557

Display messages
Possible causes/consequences and M
MSolutions
É Stop vehicle Vehicle too
low *Y
ou ha vepulled away although theve hicle le velwa sto o lo w. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions.
The vehicle rises tothe selected vehicle le vel. #
Wait until the display message disappears before pulling away.
If th e display message does not disappear and a warning tone also sounds, AIR BODY CONTROL is malfunctioning: #
Do not drive fasterthan 80 km/h and consult a qualified specialist workshop immediatel y.
* NO
TEThe tyres of the front axle or the front wings could be damaged bylarge steering mo vements #
Avoid large steering mo vements while driving and lis tenfo r scraping sounds. #
Ifyo u hear sc raping sounds, pull over and stop theve hicle safely, paying attention toroad and traf fic con‐
ditions, and set a higher vehicle le vel if possible. #
Set a higher vehicle le vel .
Depending on the malfunction, theve hicle is raised.
É Please reduce speed *Y
ou are driving toofast forth e selected vehicle le vel. #
In order toadjust theve hicle le vel,yo u must not drive fasterthan 80 km/h. #
In order toadjust theve hicle le vel during trailer operation, you must not drive fasterthan 30 km/h. 456
Display messages and warning/indicator lamps
Page 468 of 557
Display messages
Possible causes/consequences and M
MSolutions
? Coolant Stop vehicle
Switch engine off *T
he coolant is too hot. #
Stop theve hicle immediately, paying attention toroad and traf fic conditions, and switch off the engine. &
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. #
Wait until the engine has cooled down. #
Make sure that the air supply tothera diator is not obstructed. #
Avoiding high loads on the engine, drive on tothe nearest qualified specialist workshop. In doing so, ensure that
th e coolant temp erature display remains below 120 °C. Displ
aymessa ges and warning/indicator lamps 465
Page 476 of 557

Ty
res Display messages
Possible causes/consequences and M
MSolutions
Tyre pressure Check tyres *T
he tyre pressure loss warning sy stem has de tected a significant loss in pressure. &
WARNING Risk of an accident due toinsuf ficient tyre pressure
Ty res with insuf ficient tyre pressure pose thefo llowing risks:
R The tyres may bur st, especially as the load and vehicle speed increase.
R The tyres may wearexc essively and/or une venly, which may greatly impair tyre traction.
R ‑ The driving characteristics, steering and braking may be greatly impaired.
Yo u could then lose control of theve hicle. #
Obser vethere commended tyre pressures. #
Adjust the tyre pressure if necessar y. #
Stop theve hicle, paying attention toroad and traf fic conditions. #
Check the tyre pressure and the tyres. #
When the tyre pressure is cor rect, restart the tyre pressure loss warning sy stem .
Check tyre pressures then
restart Run Flat Indicator *T
he tyre pressure loss warning sy stem generated a displ aymessa geand has not been restar ted since. #
When the tyre pressure is cor rect, restart the tyre pressure loss warning sy stem .
Run Flat Indicator inopera-
tive *T
he tyre pressure loss warning sy stem is malfunctioning. #
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 473
Page 477 of 557

Display messages
Possible causes/consequences and M
MSolutions
h Rectify tyre pressure *T
he tyre pressure is too low in at least one of the tyres, or the tyre pressure dif fere nce between the wheels is too
great. #
Check the tyre pressure and add air, if necessar y. #
When the tyre pressure is cor rect, restart the tyre pressure monitoring sy stem .
h
Check tyre(s) *T
he tyre pressure in one or more tyres has dropped significantl y.The wheel position is displa yed. &
WARNING Risk of an accident due toinsuf ficient tyre pressure
Ty res with insuf ficient tyre pressure pose thefo llowing risks:
R The tyres may bur st, especially as the load and vehicle speed increase.
R The tyres may wearexc essively and/or une venly, which may greatly impair tyre traction.
R ‑ The driving characteristics, steering and braking may be greatly impaired.
Yo u could then lose control of theve hicle. #
Obser vethere commended tyre pressures. #
Adjust the tyre pressure if necessar y. #
Stop theve hicle, paying attention toroad and traf fic conditions. #
Check the tyre pressure and the tyres. 474
Displaymessa ges and warning/indicator lamps