2018 MERCEDES-BENZ C-CLASS SALOON steering

Display messages
Possible causes/consequences and 0050
0050Solutions
No tes on flat tyres (0013 page 427). 0007
Stop theve hicle, paying attention toroad and traf fic conditions. 0007
Check the tyres.
0077 Check tyre(s) *T
he tyre pressure in one or more tyres has dropped significantl y.The wheel position is displa yed. 000A
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. 0007
Obser vethere commended tyre pressures. 0007
Adjust the tyre pressure if necessar y. 0007
Stop theve hicle, paying attention toroad and traf fic conditions. 0007
Check the tyre pressure (0013 page449) and the tyres.
0077 *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. 0007
Check the tyre pressure and add air, if necessar y.530
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and 0050
0050Solutions
Tyre press. monitor inoper-
ative 000A
WARNING Thereis a risk of an accident if the tyre pressure monitoring sy stem is malfunctioning
If th e tyre pressure monitoring sy stem is malfunctioning, it is not able toissue a warning if there is pressure
loss in one or more of the tyres.
Ty res with insuf ficient tyre pressure ma y,forex ample, af fect theve hicle's handling characteristics, steering and
braking. ‑ 0007
Have the tyre pressure monitoring sy stem checked at a qualified specialist workshop. 0007
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. 0007
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. 000A
WARNING Risk of an accident from driving wi thove rheated tyres
Overheated tyres may bur st, particularly at high speeds. 0007
Reduce speed so that the tyres cool down. 0007
Reduce speed so that the tyres cool down.
*T he tyre pressure loss warning sy stem generated a displ aymessa geand has not been restar ted since. 532
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and 0050
0050Solutions
006F Rear left seat backrest not
locked (Example) *T
he cor responding rear seat backrest is not engaged. 0007
Foldthe cor responding seat backrest back until it engages.
00CC
Steering malfunction Stop
immediately See Owner's
Manual *T
hesteering is malfunctioning Steering capability is considerably impaired. 000A
WARNING Risk of accident if steering capability is impaired
If th esteering does not function as intended, theve hicle's operating saf ety is jeopardised. 0007
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. 0007
Consult a qualified specialist workshop. 0007
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. 0007
Consult a qualified specialist workshop.
00CC *T
he po wer assi stance forth esteering is malfunctioning. 000A
WARNING Risk of an accident due toaltered steering characteristics
If th e po wer assi stance of thesteering fails partially or comple tely, you will need touse more forc eto steer. 538
Display messages and warning/indicator lamps

Display messages
Possible causes/consequences and 0050
0050Solutions
Steering malfunction
Increased physical effort
See Owner's Manual 0007
If safe steering is possible, drive on carefully. 0007
Visit or consult a qualified specialist workshop immediatel y. 0007
If safe steering is possible, drive on carefully. 0007
Visit or consult a qualified specialist workshop immediatel y.
Active bonnet malfunction
See Owner's Manual *T
he active bonnet (pedestrian pr otection) is malfunctioning or inoperative af ter having already been triggered. 0007
Consult a qualified specialist workshop.
0083 *T
he bonnet is open. 000A
WARNING Risk of accident due todriving with the engine bonn etunlo cked
An unloc ked engine bonn etmay open up when theve hicle is in motion and block your vie w. 0007
Never unlock the engine bonn etwhen driving. 0007
Before every trip, ensure that the engine bonn etis loc ked. 0007
Stop theve hicle immediately, paying attention toroad and traf fic conditions. 0007
Close the bonn et.
0051 *A
t least one door is open. 0007
Close all doors.
0084 *T
he boot lid is open. Display messages and
warning/indicator lamps 539

Wa
rning and indicator lamps:
0058 Low beam (0013
page135)
0060 St
anding lights (0013 page135)
0057 High beam (0013
page137)
003E003D Tu
rn signal indicator
(0013 page137)
005E Re
ar fog light (0013 page135)
0075 Re
stra int sy stem (0013 page546)
00E9 Seat belt not
fastened
(0013 page 552)
004D Brakes (yellow) (0013
page546)
004D Brakes (red) (0013
page546)
0024 Electric pa
rking brake (yellow)
(0013 page546) 0024
Electric parking brake (red)
(0013
page546)
0025 ABS malfunction (0013
page 546)
00E5 ESP®
(0013 page 546)
00BB ESP®
OFF (0013 page546)
L Distance warning (0013 page 552)
00CC Po
we r-assis tedsteering malfunction
(0013 page 557)
00CC AIRMATIC malfunction
(0013
page 552)
00CC DY
NA MIC BODY CONTROL malfunc‐
tion (0013 page 552)
00B9 Engine diagnostics (0013
page 553)0028
Preglow
003D Electrical
fault( 0013 page 553)
00B6 Fu
elreser vewith fuel filler flap loca‐
tion indicator (0013 page 553)
00AC Coolant
too hot/cold
(0013 page 553)
0077 Ty
re pressure monitor
(0013 page 556)
00CA Tr
ailer hit chis not operational or is
swivelling(0013 page 557)Saf
ety sy stems Wa
rning/indicator lamp
Possible causes/consequences and 0050 0050Solutions
004D The
red brake sy stem warning lamp is lit while the engine is running.
Po ssible causes:
R The brake forc e boosting is malfunctioning and the braking characteristics may be af fected. 546
Displaymessa ges and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions
0025 ABS warning lamp The
yellow ABS warning lamp is lit while the engine is running.
ABS is malfunctioning.
If th ere is an additional warning tone, EBD is malfunctioning.
Other driving sy stems and driving saf ety sy stems may also be malfunctioning. 000A
WARNING Thereisrisk of skidding if EBD or ABS is malfunctioning
If EBD or ABS is malfunctioning, the wheels could lock when braking
The steering capability and braking characteristics are thus se verely impaired. The br aking distance may increase in
an eme rgency braking situation. In addition, other driving saf ety sy stems are switched off. 0007
Drive on carefull y. 0007
Have the brake sy stem checked immediately at a qualified specialist workshop. 0007
Drive on carefully. 0007
Obser vethe messages on the multifunction displa y. 0007
Consult a qualified specialist workshop.
0024 Re d indicator lamp, elect ric
parking brake applied The
red elect ric pa rking brake indicator lamp flashes or is lit. The yellow indicator lamp is also lit if the electric parking
brake malfunctions. 0007
Obser vethe messages on the multifunction displa y.548
Displaymessa ges and warning/indicator lamps

Ty
res Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions
0077 Ty re pressure monitoring
sy stem warning lamp lights
up The
yellow tyre pressure monitoring sy stem warning lamp (pressure loss/malfunction) is lit.
The tyre pressure monitoring sy stem has de tected tyre pressure loss in at least one of the tyres. 000A
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. 0007
Obser vethere commended tyre pressures. 0007
Adjust the tyre pressure if necessar y. 0007
Stop theve hicle, paying attention toroad and traf fic conditions. 0007
Check the tyre pressure and the tyres.
0077 The
yellow tyre pressure monitoring sy stem warning lamp (pressure loss/malfunction) flashes for appro ximately one
minu teand then remains lit.
The tyre pressu remonitoring sy stem is faulty. 556
Display messages and warning/indicator lamps

Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions
Ty re pressure monitoring
sy stem warning lamp
fl ashes 000A
WARNING Thereis a risk of an accident if the tyre pressure monitoring sy stem is malfunctioning
If th e tyre pressure monitoring sy stem is malfunctioning, it is not able toissue a warning if there is pressure loss in
one or more of the tyres.
Ty res with insuf ficient tyre pressure ma y,forex ample, af fect theve hicle's handling characteristics, steering and
braking. ‑ 0007
Have the tyre pressure monitoring sy stem checked at a qualified specialist workshop. 0007
Consult a qualified specialist workshop. Ve
hicle Wa
rning/indicator lamp
Possible causes/consequences and 0050
0050Solutions
00CC Po we rst eering sy stem
wa rning lamp The
red po werst eering sy stem warning lamp is lit while the engine is running.
The po wer-assis tedsteering or thesteering itself is malfunctioning. 000A
WARNING Risk of accident if steering capability is impaired
If th esteering does not function as intended, theve hicle's operating saf ety is jeopardised. 0007
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. Display messa
ges and warning/indicator lamps 557