MERCEDES-BENZ C-CLASS ESTATE 2021 Owners Manual

Display messagesPossible causes/consequences and 0050 SolutionsDo not exceed the maximum permissible driving distance in emergency mode and the maximum permissible
speed with a Oat MOExtended tyre.Observe the notes on Oat tyres.
Notes in the event of a Oat tyre (  page 330).
Stop the vehicle in accordance with the traPc conditions.Check the tyres.Tyre(s) overheated*At least one tyre is overheating. The aMected tyres are displayed in red. At temperatures close to the limit value, the
tyres are displayed in yellow.&WARNING Risk of an accident from driving with overheated tyres
Overheated tyres can burst.
Reduce speed so that the tyres cool down.Reduce speed*At least one tyre is overheating. The aMected tyres are displayed in red. At temperatures close to the limit value, the
tyres are displayed in yellow.&WARNING Risk of an accident from driving with overheated tyres
Overheated tyres can burst.
Reduce speed so that the tyres cool down.Display messages and warning/indicator lamps519

Exhaust gas asertreatmentDisplay messagesPossible causes/consequences and 0050 Solutions
00C8
Refill AdBlue See Owner

Display messagesPossible causes/consequences and 0050 Solutions
00C8
XX,Xl Top up AdBlue
Switch vehicle on, wait 0
sec. or engine start not
poss.
*The AdBlue n
tank is empty. You can no longer start the engine.Add at least the amount of AdBlue n
displayed (  page 180).Switch on the ignition and wait for approximately 60 seconds.Start the engine.
0099
AdBlue system fault See
Owner's Manual
*The AdBlue n
system is malfunctioning.Consult a qualiNed specialist workshop immediately.
0099
AdBlue system malfunction
Emergency op. in XXX km
See Owner's Manual
*The AdBlue n
system is malfunctioning. Performance will be reduced once the remaining distance displayed has been
covered.Consult a qualiNed specialist workshop immediately.Display messages and warning/indicator lamps521

Display messagesPossible causes/consequences and 0050 Solutions
0099
AdBlue system malfunction
Emerg. op. max. XXX
km/h Start not poss. in
XXX km
*Power restriction due to the AdBlue n
system fault. Aser the distance displayed has been covered, it will no longer be
possible to start the engine.Consult a qualiNed specialist workshop immediately.
0099
AdBlue system fault Engine
start not possible
*The AdBlue n
system is malfunctioning. You can no longer start the engine.Consult a qualiNed specialist workshop immediately.522Display messages and warning/indicator lamps

Engine oilDisplay messagesPossible causes/consequences and 0050 Solutions
00B3
Add 1 litre engine oil when
next refuelling
*The engine oil level has dropped to the minimum level.*NOTE Engine damage caused by driving with insuPcient engine oilAvoid long journeys with insuPcient engine oil.When next refuelling, add 1 litre of engine oil (  page 318).
Notes on engine oil (  page 457).
00B3
Engine oil level Reduce oil
level
*The engine oil level is too high.*NOTE Engine damage caused by driving with excess engine oilAvoid long journeys with excess engine oil.Consult a qualiNed specialist workshop immediately and have the engine oil level reduced.
00B3
Engine oil level Stop
Switch off the vehicle
*The engine oil level is too low.*NOTE Engine damage caused by driving with insuPcient engine oilAvoid long journeys with insuPcient engine oil.Stop the vehicle immediately in accordance with the traPc conditions. Do not continue driving.Display messages and warning/indicator lamps523

Display messagesPossible causes/consequences and 0050 SolutionsSwitch oM the engine.Add 1 l of engine oil (  page 318).Check the engine oil level.
Notes on engine oil (  page 457).
00B3
Engine oil pressure Stop
Switch off the vehicle
*The oil pressure is too low.*NOTE Engine damage caused by driving with insuPcient oil pressureAvoid driving with insuPcient oil pressure.Stop the vehicle immediately in accordance with the traPc conditions. Do not continue driving.Switch oM the engine.Consult a qualiNed specialist workshop.
00B3
Engine oil level cannot be
measured
*The electrical connection to the oil level sensor has been interrupted or the oil level sensor is faulty.Consult a qualiNed specialist workshop.524Display messages and warning/indicator lamps

Warning and indicator lamps
Overview of indicator and warning lamps
Some systems will perform a self-test when the
ignition is switched on. Some indicator and warn-
ing lamps may brieOy light up or Oash. This behav-
iour is non-critical. These indicator and warning
lamps indicate a malfunction only if they light up
or Oash aser the engine has been started or dur-
ing a journey.
Driver display
Indicator and warning lamps:
0075Restraint system (  page 526)00E9Seat belt (  page 526)ïTrailer hitch (  page 527)ÙPower steering (yellow) (  page 527)ÙPower steering (red) (  page 527)ÙRear axle steering (yellow)
(  page 527)

Occupant safetyWarning/indicator lampPossible causes/consequences and 0050 Solutions
0075
Restraint system warning
lamp
*The red restraint system warning lamp is lit while the engine is running.The restraint system is malfunctioning (  page 36).&WARNING Risk of injury due to malfunctions in the restraint system
Components in the restraint system may be activated unintentionally or not deploy as intended in an accident.
Have the restraint system checked and repaired immediately at a qualiNed specialist workshop.Drive on carefully.Comply with the messages on the driver display.Consult a qualiNed specialist workshop immediately.
00E9
Seat belt warning lamp
Oashes
*The red seat belt warning lamp Oashes and an intermittent warning tone sounds.The driver or front passenger has not fastened his/her seat belt while the vehicle is in motion.
Fasten your seat belt (  page 39).
There are objects on the front passenger seat.
Remove the objects from the front passenger seat.526Display messages and warning/indicator lamps

Warning/indicator lampPossible causes/consequences and 0050 Solutions
00E9
Seat belt warning lamp
lights up
*The red seat belt warning lamp lights up once the engine has started.
In addition, an intermittent warning tone may sound.
The red seat belt warning lamp reminds the driver and front passenger to fasten their seat belts.
Fasten your seat belt (  page 39).
If you have placed objects on the front passenger seat, the red seat belt warning lamp may remain lit.
VehicleWarning/indicator lampPossible causes/consequences and 0050 Solutions
ï
Trailer tow hitch warning
lamp
*The red trailer hitch warning lamp is lit.The trailer hitch is not operational.&WARNING Risk of an accident if the ball neck is not locked
The trailer may become detached.
Stop the vehicle immediately in accordance with the traPc conditions. Do not continue driving.Uncouple the trailer and secure it against rolling away.Initiate a new swivel movement and do not re-couple the trailer until the warning/indicator lamp goes out.Note the messages on the driver display.Display messages and warning/indicator lamps527

Warning/indicator lampPossible causes/consequences and 0050 Solutions
Ù
Power steering warning
lamp (yellow)
*The yellow power steering warning lamp is lit when the engine is running.The power assistance or the steering itself is malfunctioning.
Note the messages on the driver display.
Ù
Power steering warning
lamp (red)
*The red power steering warning lamp is lit while the engine is running.The power assistance or the steering itself is malfunctioning.&WARNING Risk of accident if steering capability is impaired
If the steering does not function as intended, the vehicle's operating safety is jeopardised.
Pull over and stop the vehicle safely as soon as possible, paying attention to road and traPc conditions. Do not
continue driving under any circumstances.Consult a qualiNed specialist workshop.Note the messages on the driver display.
Ù
Rear axle steering warning
lamp (yellow)
*The yellow rear axle steering warning lamp is lit while the engine is running.The rear axle steering is malfunctioning.
Note the messages on the driver display.528Display messages and warning/indicator lamps