display MERCEDES-BENZ C-CLASS SALOON 2018 Owners Manual

Display messages
Possible causes/consequences and 0050
0050Solutions
Operation only possible in
transmission position P
00CA
Operation only possible in
transmission position N *
Ve hicles with manual transmission: you attem ptedto swivel the ball neck and the transmission is not in neutral
005C. 0007
Shift the transmission toneutral 005C.
00CA Check trailer hitch lock
(whi tedisplay message) *T
he trailer tow hit chis not operational when you are driving with a trailer. 0007
Stop theve hicle immediately, paying attention toroad and traf fic conditions, and switch off the engine. 0007
Uncouple the trailer and secure it against rolling away. 0007
Initiate a new swivelling procedure (0013 page 262). 0007
Ifth e ball neck is extended, press and hold the button on the boot lid until the ball neck engages beneath the
bumper. 0007
When the display message disappears, couple up the trailer and drive on. 000A
WARNING Risk of an accident if the ball neck is not loc ked
If th e ball neck is not in the loc ked position, the trailer may come loose. 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. 536
Display messa ges and warning/indicator lamps

Display messages
Possible causes/consequences and 0050
0050Solutions 0007
Uncouple the trailer and secure it against rolling away. 0007
Initiate a new swivelling procedure and do not re-couple the trailer until the display message disappears. If
th e display message does not disappear, the trailer tow hit chis defective and the ball neck is not loc ked. 0007
Do not couple up the trailer. Drive on without the trailer. No tethere duced ground clearance due tothe
unlo cked ball nec k. 0007
Consult a qualified specialist workshop.
The trailer tow hit chis not operational when theve hicle is at a standstill. 0007
Uncouple the coupled trailer and secure it against rolling away. 0007
Initiate a new swivelling procedure (0013 page 262). 0007
Ifth e ball neck is retracted: press and hold the button on the boot lid until the ball neck engages vertically in
th e loc ked position and then engages beneath the bumper. 0007
Ifth e ball neck is extended: press and hold the button on the boot lid until the ball neck engages beneath the
bumper.
If th e display message does not disappear, the trailer tow hit chis defective and the ball coupling is not loc ked. 0007
Do not couple up the trailer. Drive on without the trailer. No tethere duced ground clearance due tothe
unlo cked ball nec k. 0007
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 537

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

Display messages
Possible causes/consequences and 0050
0050Solutions 000A
DANG ER Risk of exhaust gas poisoning
Combustion engines emit poisonous exhaust gases such as carbon monoxide. Exhaust gases can enter the
ve hicle interior if the boot lid is open when the engine is running, especially if theve hicle is in motion. 0007
Alw ays switch off the engine before opening the boot lid. 0007
Never drive with the boot lid open. 0007
Close the boot lid.
00B2 Top up washer fluid *T
hewasher fluid le vel in thewa sher fluid reser voir has dropped below the minimum. 0007
Top up thewa sher fluid (0013 page414). Cli
mate control Displ
aymessages
Possible causes/consequences and 0050
0050Solutions
003B *T
hestationary heater is temp orarily malfunctioning. 0007
When theve hicle is on a le vel sur face and the engine has cooled down, make up tofour attem ptsto switch on
th est ationary heater, waiting se veral minutes between each attem pt. 0007
Ifth est ationary heater does not swit chon, consult a qualified specialist workshop. 540
Displaymessa ges and warning/indicator lamps

Display messages
Possible causes/consequences and 0050
0050Solutions
inoperative See Owner's
Man.
003B
inoperative Refuel vehicle *T
here is too little fuel in the fuel tank. The stationary heater cannot be swit ched on. 0007
Refuel theve hicle.
003B
inoperative Battery low *T
he on-board electrical sy stem voltage is too lo w.
The stationary heater has swit ched itself off. 0007
Drive for an extended pe riod until the battery has reached a suf ficient charge leve l again. Lights
Display messa
ges
Possible causes/consequences and 0050 0050Solutions
0049 Intelligent Light System
inoperative *T
he Intelligent Light Sy stem is faulty. The lighting sy stem continues tofunction properly without the functions of
th e Intelligent Light Sy stem. 0007
Consult a qualified specialist workshop. Display messages and
warning/indicator lamps 541

Display messages
Possible causes/consequences and 0050
0050Solutions
0049 Switch off lights *Y
ou are leaving theve hicle and the lights are still switched on. 0007
Turn the light switch tothe0058 position.
0049 Switch on headlamps *Y
ou are driving without lo w-beam headlamps. 0007
Turn the light switch tothe0058 or0058 position.
0049
Automatic driving lights
inoperative *T
he light sensor is faulty. 0007
Consult a qualified specialist workshop.
0049 Left dipped beam (Example)*T
he cor responding light source is defective. 0007
Drive on carefully. 0007
Consult a qualified specialist workshop immediatel y.
or 0007
Check whe ther you are permit tedto replace the light source yourself (0013 page145). 542
Displaymessa ges and warning/indicator lamps

Display messages
Possible causes/consequences and 0050
0050Solutions
0009 LED light bulbs: the display message forth e cor responding lamp appears only when allthe light-emitting diodes
in the lamp ha vefailed.
0049 Active Light System inoper-
ative *T
he active headlamp s arefaulty. 0007
Consult a qualified specialist workshop.
0049 Malfunction See Owner's
Manual *T
heexterior lighting is faulty. 0007
Consult a qualified specialist workshop.
Ve hicles with a trailer hitch: a fuse may haveblown. 0007
Pull over and stop theve hicle, paying attention toroad and traf fic conditions. 0007
Check the fuses and replace them if necessary (0013 page445).
Adaptive Highbeam Assist
inoperative *A
daptive Highbeam Assist is malfunctioning. 0007
Consult a qualified specialist workshop.
Adaptive Highbeam Assist
currently unavailable See
Owner's Manual *A
daptive Highbeam Assist is temp orarily una vailable.
The sy stem limits ha vebeen reached (0013 page140). 0007
Drive on.
Once the cause of the problem is no longer present, the sy stem will be available again. The Adaptive Highbeam
Assist available again display message appears. Display messages and
warning/indicator lamps 543

Display messages
Possible causes/consequences and 0050
0050Solutions
Adaptive Highbeam Assist
Camera view restricted
See Owner's Manual *T
he camera view is restricted. Possible causes:
R dirt on the windscreen in the camera's field of vision
R heavy rain, snow or fog
Driving sy stems and driving saf ety sy stems may be malfunctioning or temp orarily una vailable.
Once the cause of the problem is no longer present, driving sy stems and driving saf ety sy stems will be available
again.
If th e display message does not disappear: 0007
Pull over and stop theve hicle, paying attention toroad and traf fic conditions. 0007
Clean the windscreen.
Adaptive Highbeam Assist
Plus inoperative *A
daptive Highbeam Assist Plus is faulty. 0007
Consult a qualified specialist workshop.
Adaptive Highbeam Assist
Plus currently unavailable
See Owner's Manual *A
daptive Highbeam Assist Plus is temp orarily una vailable.
The sy stem limits ha vebeen reached (0013 page142). 0007
Drive on.
Once the cause of the problem is no longer present, the sy stem will be available again. The Adaptive Highbeam
Assist Plus available again display message appears.
*T he camera view is restricted. Possible causes:
R dirt on the windscreen in the camera's field of vision 544
Displaymessa ges and warning/indicator lamps

Display messages
Possible causes/consequences and 0050
0050Solutions
Adaptive Highbeam Assist
Plus Camera view restric-
ted See Owner's Manual R
heavy rain, snow or fog
Driving sy stems and driving saf ety sy stems may be malfunctioning or temp orarily una vailable.
Once the cause of the problem is no longer present, driving sy stems and driving saf ety sy stems will be available
again.
If th e display message does not disappear: 0007
Pull over and stop theve hicle, paying attention toroad and traf fic conditions. 0007
Clean the windscreen. Wa
rning and indicator lamps Overview of
warning and indicator lamps Some sy
stems will per form a self-test when the
ignition is switched on. Some warning and indi‐
cator lamps may brief lylight up or flash. This
behaviour is non-critical. These warning and indi‐
cator lamps indicate a malfunction only if they
light up or flash af terth e engine has been star‐
te d or during a journe y. Instrument display (standard) Instrument display in
the widescreen cockpit Display messages and
warning/indicator lamps 545