MERCEDES-BENZ C-CLASS ESTATE 2021 Owners Manual

EngineWarning/indicator lampPossible causes/consequences and 0050 Solutions

Warning/indicator lampPossible causes/consequences and 0050 SolutionsStop the vehicle immediately in accordance with the traPc conditions and switch oM the engine. Do not continue
driving.Note the messages on the driver display.
If the coolant temperature display is at the lower end of the temperature scale:
Consult a qualiNed specialist workshop.
If the coolant temperature display is at the upper end of the temperature scale:
Exit the vehicle and keep a safe distance from it until the engine has cooled down.Check the coolant level (  page 319).Make sure that the air supply to the radiator is not obstructed.Avoiding high loads on the engine, drive to the nearest qualiNed specialist workshop. In doing so, ensure that the
coolant temperature display remains below 120°C.

Warning/indicator lampPossible causes/consequences and 0050 Solutions
00B9
Engine diagnosis warning lamp
*The yellow engine diagnostics warning lamp is lit while the engine is running.A malfunction has occurred in the engine, the exhaust system or the fuel system.
The emissions limit value may have been exceeded and the engine may be running in emergency operation mode.
Have the vehicle checked as soon as possible at a qualiNed specialist workshop.
Vehicles with a diesel engine: the fuel tank may have been run dry.
Start the engine three to four times aser refuelling.
If the yellow engine diagnosis warning lamp goes out, emergency operation mode is cancelled. The vehicle need not be checked.
U
Engine operating tempera-
ture warning lamp
*Vehicles with a petrol engine: aser a cold start, the blue reduced power output warning lamp is on.The engine output and engine torque will remain reduced while this remains the case.
Take this into consideration in your driving style.
003D
Electrical fault warning lamp
*The red electrical fault warning lamp is lit.There is a fault in the electrics.
Note the messages on the driver's display.Display messages and warning/indicator lamps531

Warning/indicator lampPossible causes/consequences and 0050 Solutions
00B6
Fuel reserve warning lamp
lights up
*The yellow fuel reserve warning lamp lights up while the engine is running.The fuel supply has dropped into the reserve range.
Refuel.BrakesWarning/indicator lampPossible causes/consequences and 0050 Solutions
00EE
Electric parking brake indi-
cator lamp (red)
00EE
Electric parking brake indi-
cator lamp (yellow)
*The red electric parking brake indicator lamp Oashes or is lit.
The yellow electric parking brake indicator lamp is also lit in the event of a malfunction.Note the messages on the driver display.532Display messages and warning/indicator lamps

Warning/indicator lampPossible causes/consequences and 0050 Solutions
0051
Brake system warning lamp
(yellow)
*The yellow brake system warning lamp is lit while the engine is running.&WARNING Risk of an accident due to a brake system malfunction
If the brake system is malfunctioning, braking characteristics may be impaired.
Drive on carefully.Have the brake system checked immediately at a qualiNed specialist workshop.Adjust your speed and drive on carefully, leaving a suitable distance to the vehicle in front.If the driver's display shows a display message, observe it.Consult a qualiNed specialist workshop.
0051
Brake system warning lamp
(red)
*The red brake system warning lamp is lit while the engine is running.
Possible causes:
= The brake force boosting is malfunctioning and the braking characteristics may be aMected.
= There is insuPcient brake Ouid in the brake Ouid reservoir.
Note the messages on the driver's display.&WARNING Risk of accident and injury if brake force boosting is malfunctioning
If brake force boosting is malfunctioning, increased brake pedal force may be necessary for braking. The braking
characteristics may be impaired. The braking distance can increase in emergency braking situations.
Display messages and warning/indicator lamps533

Warning/indicator lampPossible causes/consequences and 0050 SolutionsStop in a safe location immediately. Do not continue driving!Consult a qualiNed specialist workshop.&WARNING Risk of an accident due to low brake Ouid level
If the brake Ouid level is too low, the braking eMect and the braking characteristics may be impaired.
Stop the vehicle as soon as possible, paying attention to road and traPc conditions. Do not continue driving.Consult a qualiNed specialist workshop.Do not top up the brake Ouid.Driving systemsWarning/indicator lampPossible causes/consequences and 0050 Solutions
/
Warning lamp for distance
warning function
*The red distance warning lamp lights up while the vehicle is in motion.The distance to the vehicle in front is too small for the speed selected.
If there is an additional warning tone, you are approaching an obstacle at too high a speed.
Be prepared to brake immediately.Increase the distance.534Display messages and warning/indicator lamps

Warning/indicator lampPossible causes/consequences and 0050 Solutions
00A5
Active Brake Assist warning
lamp
*The Active Brake Assist yellow warning lamp is lit.The system is restricted or unavailable.
Note the messages on the driver display.Driving safety systemsWarning/indicator lampPossible causes/consequences and 0050 Solutions
0025
ABS warning lamp
*The yellow ABS warning lamp is lit while the engine is running.ABS is malfunctioning.
If an additional warning tone sounds, EBD is malfunctioning.
Other driving systems and driving safety systems may also be malfunctioning.
Note the messages on the driver display.&WARNING There is a risk of skidding if EBD or ABS is malfunctioning
The wheels may lock during braking.
The steerability and braking characteristics are heavily impaired and the braking distance may increase. In addition,
other driving safety systems are switched oM.
Display messages and warning/indicator lamps535

Warning/indicator lampPossible causes/consequences and 0050 SolutionsDrive on carefully.Have the brake system checked immediately at a qualiNed specialist workshop.
00E5
ESP n
warning lamp Oashes
*The yellow ESP n
warning lamp Oashes while the vehicle is in motion.One or more wheels have reached their grip limit (  page 192).
Adapt your driving style to suit the road and weather conditions.
00E5
ESP n
warning lamp lights up
*The yellow ESP n
warning lamp is lit while the engine is running.
ESP n
is malfunctioning.
Other driving systems and driving safety systems (e.g. BAS) may also be malfunctioning.
Note the messages on the driver display.&WARNING Risk of skidding if ESP n
is malfunctioning
If ESP n
is malfunctioning, ESP n
cannot carry out vehicle stabilisation. In addition, other driving safety systems are
switched oM.
Drive on carefully.Have ESP n
checked at a qualiNed specialist workshop.536Display messages and warning/indicator lamps

Warning/indicator lampPossible causes/consequences and 0050 Solutions
00BB
ESP n
OFF warning lamp
*The yellow ESP n
OFF warning lamp is lit while the engine is running.
ESP n
is deactivated.
Other driving systems and driving safety systems may also be inoperative.
&WARNING Risk of skidding when driving with ESP n
deactivated
ESP n
does not act to stabilise the vehicle. The availability of further driving safety systems is also limited.
Drive on carefully.Deactivate ESP n
only for as long as the situation requires.
If ESP n
cannot be activated, ESP n
is malfunctioning.
Have ESP n
checked immediately at a qualiNed specialist workshop.Observe the notes on deactivating ESP n
( page 192).Display messages and warning/indicator lamps537

Mercedes-Benz emergency call systemWarning/indicator lampPossible causes/consequences and 0050 Solutions
H
Mercedes-Benz emergency
call system warning lamp
*The Mercedes-Benz emergency call system is malfunctioning. The Mercedes me connect system is also malfunctioning.Consult a qualiNed specialist workshop.Tyre pressure monitorWarning/indicator lampPossible causes/consequences and 0050 Solutions
0077
Tyre pressure monitoring
system warning lamp Oashes
*The yellow tyre pressure monitor warning lamp (pressure loss/malfunction) Oashes for approximately one minute and
then remains lit.
The tyre pressure monitor is malfunctioning.
&WARNING There is a risk of an accident if the tyre pressure monitoring system is malfunctioning
The tyre pressure monitoring system cannot issue a warning if there is pressure loss in one or more of the tyres.
Tyres with insuPcient tyre pressure may impair the driving characteristics as well as steering and braking.
Have the tyre pressure monitoring system checked at a qualiNed specialist workshop.538Display messages and warning/indicator lamps