Counter for distance drivenFig. 26
Display: MAXI DOT display / Seg-
ment Display
Read and observe on page 28 first.
Display » Fig. 26
Counter for the distance travelled since the last reset (trip)
Odometer
Reset counter for distance travelled (trip)
›
Press button
A
» Fig. 27 on page 31 .
Setting the clock
Fig. 27
Button in the instrument cluster
Read and observe on page 28 first.
›
Switch-on the ignition.
›
Press and hold the button
A
» Fig. 27 until the
Time
is shown in the display.
›
Release the button
A
and the system switches to the hour setting function.
›
Press the button
A
again and set the hours.
›
Wait around 4 seconds - the system switches to the minutes setting.
›
Press the button
A
again and set the minutes.
›
Wait around 4 seconds - the system switches to the start setting.
ABThe time can also be set in the Infotainment » Owner´s Manual Infotainment ,
chapter Device settings .
Display in rear centre console
Fig. 28
Centre console at rear: Display
Read and observe on page 28 first.
The following information is shown in the display depending on the equip-
ment installed on the vehicle. ▶ Time
▶ Exterior temperature information
▶ Information on the Climatronic set temperature for occupants in the rear
seats
Warning lights
Introduction
This chapter contains information on the following subjects:
Parking brake
32
Brake system
33
Seat belt warning light
33
Automatic Distance Control (ACC)
33
Power steering / steering lock (KESSY system)
33
Stability control (ESC) / Traction control (TCS)
34
Traction control (TCS) deactivated
34
Anti-lock braking system (ABS)
34
Rear fog light
34
Exhaust emissions control system
34
Glow plug system (diesel engine)
34
31Instruments and warning lights
Engine electronics check (petrol engine)35 Safety systems35
Tyre pressure
35
Brake linings
36
Fuel reserve
36
Lane departure warning (Lane Assist)
36
Turn signal system
36
Trailer turn signal lights
36
Fog lights
36
Speed regulating system / Speed limiter
37
Brake pedal (automatic transmission)
37
Parking brake - Auto Hold function
37
Main beam
37
Automatic transmission
37
Rear seat belt warning light
37
Alternator
37
Coolant
38
Engine oil pressure too low
38
Engine oil level
38
AdBlue ®
39
Lamp failure
39
Diesel particulate filter (diesel engine)
39
Windscreen washer fluid level
40
Headlamp assistant
40
START-STOP system
40
Low temperature displayed
40
Water in the fuel filter (diesel engine)
40
Automatic Distance Control (ACC)
40
Distance warning (Front Assist)
40
Advance warning / emergency braking (Front Assist)
41
Economy mode
41
Adaptive chassis control (DCC) fault
41
Service
41
The warning lights in the instrument cluster indicate certain functions or
faults.
Some warning lights can be accompanied by acoustic signals and messages in
the display of the instrument cluster.
After switching on the ignition, some warning lights light up briefly as a func-
tion test.
If the tested systems are OK, the corresponding warning lights go out a few
seconds after switching on the ignition or after starting the engine.
Warning lights in the display
Depending on the importance the warning light
(danger) or
(warning) illu-
minate along with some of the warning lights in the list with the warning
lights.
Depending on vehicle specification, some warning lights may be displayed in
colour on the display. For example. the coolant warning lamp may be represen-
ted as follows.
▶ - Segment Display / monochromatic (“black and white”) MAXI DOT display
▶ - colour MAXI DOT displayWARNING■
Ignoring illuminated warning lights and related messages or instructions
in the display of the instrument cluster may lead to serious personal injury
or damage to the vehicle.■
If you have to stop for technical reasons, then park the vehicle at a safe
distance from the traffic, switch off the engine and switch on the hazard
warning lights » page 71. Place the warning triangle at the prescribed dis-
tance.
■
The engine compartment of your car is a hazardous area. The following
warning instructions must be followed at all times when working in the en-
gine compartment » page 206, Engine compartment .
Parking brake
Read and observe
on page 32 first.
illuminates - the hand brake light is switched on.
Parking brake error
illumi-
nates
Fault: electric parking brakePARKING BRAKE FAULT
Seek help from a specialist garage.
Parking on a slope that is too steep
illumi-
nates
Parking brake: grad. too steep. Owner's manual!GRADIENT TOO STEEP
32Using the system
Find a parking space on a flat surface or on a slope that is not so steep.
Brake systemRead and observe
on page 32 first.
illuminates – the brake fluid level in the braking system is too low.
Brake fluid: Owner's manual!BRAKE FLUID PLEASE CHECK›
Stop the vehicle, switch off the engine, and check the level of the brake fluid
» page 212 .
WARNING■
If the warning light illuminates simultaneously with warning light
» page 34 , Anti-lock braking system (ABS) , do not continue your
journey! Seek help from a specialist garage.■
A fault to the ABS system or the braking system can increase the vehi-
cle's braking distance – risk of accident!
Seat belt warning light
Read and observe
on page 32 first.
illuminates - the driver or front passenger has not fastened their seat belt.
At a speed of more than approximately 30 km/h the warning light flashes
and an audible warning sounds at a time.
If the seat belt is not fastened by the driver or front passenger during the next
approx. 2 seconds, the warning signal is deactivated and the warning light
lights up permanently.
Automatic Distance Control (ACC)
Read and observe
on page 32 first.
illuminates - ACC deceleration is insufficient.
Apply the brake!›
Apply the brake.
For more information about the ACC system » page 163.
Power steering / steering lock (KESSY system)
Read and observe
on page 32 first.
Fault in the power steering
illuminates – this indicates a complete failure of the power steering and the
steering assist has failed (significantly higher steering forces).
illuminates – this indicates a partial failure of the power steering and the
steering forces can be greater.
Seek help from a specialist garage.
Steering lock defect (KESSY system)
An audible signal sounds as a warning.
flashes
Steering lock faulty. Stop!STOP VEHICLE STEERING FAULTY
Park the vehicle, do not continue to drive
. After switching off the ignition, it
is no longer possible to lock the steering, to activate the electrical components
(e.g. Infotainment ), to switch on the ignition again and to start the engine.
Seek help from a specialist garage.
flashes
Steering lock: Workshop!STEERING WORKSHOP
Seek help from a specialist garage.
Steering column lock not unlocked (System KESSY)
flashes
Move the steering wheel!MOVE STEERING WHEEL
▶ Move the steering wheel slightly back and forth, thereby facilitating unlock-
ing the steering lock.
If the steering does also not unlock then, the help of a specialist garage is re-
quired.
Disconnecting the vehicle battery
If the vehicle's battery has been disconnected and reconnected, the indicator
light comes on after switching on the ignition.
The warning light should go out after driving a short distance.
If, after the motor is restarted and a short drive, the indicator light does not go
out, there is a system error.
33Instruments and warning lights
Seek help from a specialist garage.
Stability control (ESC) / Traction control (TCS)Read and observe
on page 32 first.
flashes – the ESC or TCS is currently active.
ESC or TCS fault
illumi-
nates
Error: stabilisation control (ESC)ESC ERROR
or
illumi-
nates
Error: traction controlASR ERROR
Seek help from a specialist garage.
If the warning light comes on after starting the engine, the TCS may be
switched off for technical reasons. ▶ Switch the ignition off and on again.
If the warning light does not illuminate after you switch the engine back on,
the TCS is fully functional again.
Disconnecting the vehicle battery
If the vehicle's battery has been disconnected and reconnected, the indicator
light comes on after switching on the ignition.
The warning light should go out after driving a short distance.
If, after a short drive, the indicator light does not go out, there is a system er-
ror.
Seek help from a specialist garage.
For more information on the ESC system » page 144 or TCS system
» page 144 .
Traction control (TCS) deactivated
Read and observe
on page 32 first.
illuminates – the TCS system is disabled.
Traction control (ASR) deactivated.ASR OFF Anti-lock braking system (ABS)
Read and observe
on page 32 first.
illuminates – there is an ABS fault.
Error: ABSABS ERROR
The vehicle will only be braked by the normal brake system without the ABS.
Seek help from a specialist garage.
WARNING■ If the warning light illuminates simultaneously with warning light
» page 33 , Brake system , do not continue your journey! Seek help
from a specialist garage.■
A fault to the ABS system or the braking system can increase the vehi-
cle's braking distance – risk of accident!
Rear fog light
Read and observe
on page 32 first.
illuminates – the rear fog light is switched on.
Exhaust emissions control system
Read and observe
on page 32 first.
illuminates – there is a fault in the exhaust emissions control system. The
system makes possible operation emergency mode - there may be a noticea-
ble reduction in engine performance.
Seek help from a specialist garage.
Glow plug system (diesel engine)
Read and observe
on page 32 first.
flashes – there is a fault in the engine management system. The system
makes possible operation emergency mode - there may be a noticeable reduc-
tion in engine performance.
34Using the system
There is a fault in the glow plug system if the warning light does not come
on or illuminates continuously.
Seek help from a specialist garage.
Engine electronics check (petrol engine)
Read and observe
on page 32 first.
illuminates – there is a fault in the engine management system. The system
makes possible operation emergency mode - there may be a noticeable reduc-
tion in engine performance.
Seek help from a specialist garage.
Safety systems
Read and observe
on page 32 first.
System fault
illuminates – there is a fault in the airbag system.
Error: AirbagAIRBAG ERROR
Seek help from a specialist garage.
The front passenger airbag has been disabled with the key switch
Illuminates for around 4 seconds after the ignition has been switched on.
beneath the lettering
in the middle section of the dash
panel illuminates after the ignition has been switched on » page 19.
One of the airbags or a belt tensioner has been disabled by the diagnostic
tool
illuminates for approximately 4 seconds after the ignition is switched on
and then flashes for approximately 12 seconds.
Airbag/ belt tensioner deactivated.AIRBAG/ BELT TENSIONER OFF
ProActive passenger protection
illuminates and one of the following messages is shown in the instrument
cluster display.
Proactive passenger protection not available.PROACTIVE PASSENGER PROTECT NOT AVAILorProactive passenger protection: function restricted.LIMITED PROACTIVE PASSENGER PROTECT
The seat belt for the driver and front passenger needs to be replaced. Seek
help from a specialist garage.
WARNINGWhen a fault in the airbag system occurs, there is a risk of the system not
being triggered in the event of an accident. Therefore, this must be
checked immediately by a specialized garage.
Tyre pressure
Read and observe
on page 32 first.
Change of tyre pressure values
illuminates – there was a pressure change in one of the tyres.
An audible signal sounds as a warning.
›
Immediately reduce speed and avoid sudden steering and braking manoeu-
vres.
›
Stop the vehicle, turn the ignition off and check the tyres and their inflation
pressures » page 217 .
›
Correct the tyre pressure if necessary or replace the affected wheel
» page 224 or use the repair kit » page 228.
›
Save the tyre pressure values in the system » page 183.
System fault
flashes for approximately 1 minute and remains lit – there may be a fault in
the tyre pressure monitoring system.
›
Stop the vehicle, turn the ignition off and start the engine again.
If the warning light flashes after starting the engine again, there is a system
error.
Seek help from a specialist garage.
Disconnecting the vehicle battery
If the vehicle's battery has been disconnected and reconnected, the indicator
light comes on after switching on the ignition.
The warning light should go out after driving a short distance.
35Instruments and warning lights
Speed regulating system / Speed limiterRead and observe
on page 32 first.
illuminates - the vehicle speed is limited by the speed regulator system
and/or the automatic distance control or by the speed limiter.
flashes – the speed set with the limiter has been exceeded.
Brake pedal (automatic transmission)
Read and observe
on page 32 first.
illuminates – apply the brake.
Parking brake - Auto Hold function
Read and observe
on page 32 first.
illuminates - the Auto Hold function is activated.
For more information about the Auto-Hold Function » page 146.
Main beam
Read and observe
on page 32 first.
illuminates – the main beam or the headlight flasher is switched on.
Automatic transmission
Read and observe
on page 32 first.
Gearbox overheated
The warning light is only shown in the MAXI DOTdisplay.
illumi-
nates
Gearbox overheated. Stop! Owner's manual!STOP VEHICLE GEARBOX OVERHEAT illumi-
nates
Gearbox overheated.GEARBOX OVERHEATED
▶
Do not continue to drive! Stop the vehicle and turn off the engine.
You can continue your journey as soon as the warning light disappears.
If the warning light does not go out, do not continue driving. Seek help from a
specialist garage.
Transmission problem
The warning light
is only shown in the MAXI DOTdisplay. illumi-
nates
Gearbox faulty. Workshop!GEARBOX FAULTY WORKSHOP illumi-
nates
Error: gearbox. Reverse gear not available.GEARBOX ERROR REV_ GEAR NOT AVAIL illumi-
nates
Error: gearboxGEARBOX ERROR
Seek help from a specialist garage.
Rear seat belt warning light
Read and observe
on page 32 first.
illuminates – a rear seat belt is not fastened.
illuminates – a rear seat belt is fastened.
When the seat belt is fastened/unfastened, the particular light lights up briefly
and indicates the current belt status!
Alternator
Read and observe
on page 32 first.
illuminates – the battery is not being charged whilst the engine is running.
Seek help from a specialist garage.
CAUTION
If in addition to the light the light lights up while driving, stop driving -
risk of engine damage! Switch off the engine and seek assistance from a spe-
cialist garage.37Instruments and warning lights
CoolantRead and observe
on page 32 first.
Coolant level too low
illumi-
nates
Check coolant! Owner's manual!ENGINE COOLANT PLEASE CHECK
▶ Stop the vehicle, switch off the engine and let it cool.
▶ Check the coolant level » page 211, Checking the coolant level .
If the coolant level is within the specified range and the warning light
lights
up again, then there may be a malfunction of the cooling fan.
▶ Switch off the ignition.
▶ Check the fuse for the radiator fan, replace if necessary.
If the coolant level and fan fuse are both OK but the warning light lights up
again,
stop driving!
Seek help from a specialist garage.
Coolant temperature too high
illumi-
nates
Engine overheat. Stop! Owner's manual!ENGINE OVERHEAT STOP
▶ Stop the vehicle, switch off the engine and let it cool.
▶ Continue your journey only after the warning light has disappeared.
Engine oil pressure too low
Read and observe
on page 32 first.
flashes – the engine oil pressure is too low.
Oil pressure: stop! Owner's manual!STOP VEHICLE OIL PRESSURE›
Stop the vehicle, switch off the engine, and check the engine oil level.
Even if the oil level is correct,
do not drive any further if the warning light is
flashing. Also do not leave the engine running at an idling speed.
Seek help from a specialist garage.
CAUTIONDo not continue if for some reason it is not possible to fill with engine oil un-
der the current circumstances! Switch off the engine and seek assistance
from a specialist garage.
Engine oil level
Read and observe
on page 32 first.
Engine oil level too low
illumi-
nates
Oil level: add oil!ADD OIL
▶ Stop the vehicle, switch off the engine, and check the engine oil level, top up
if necessary.
The warning light will go out if the bonnet is left open for more than 30 sec-
onds. If no engine oil has been replenished, the warning light will come on
again after driving about 100 km.
Engine oil level too high
illumi-
nates
Reduce oil level!OIL LEVEL TOO HIGH
▶ Stop the vehicle, switch off the engine, and check the engine oil level.
In the event of a high oil level, seek assistance from a specialist garage.
Fault on the engine oil level sensor
illumi-
nates
Oil sensor: workshop!OIL SENSOR WORKSHOP
Seek help from a specialist garage.
CAUTION
Do not continue if for some reason it is not possible to fill with engine oil un-
der the current circumstances! Switch off the engine and seek assistance
from a specialist garage.38Using the system
AdBlue®
Read and observe
on page 32 first.
AdBlue ®
level too low
Information on the amount of AdBlue ®
to be added is also shown. The values
"min" and "max" stand for the minimum and maximum AdBlue ®
replenishment
amounts.
illuminates
Add AdBlue (DEF)! Range:ADD ADBLUE (DEF) … RANGE …
The range in the display indicates the distance that can be driven with the re-
maining AdBlue ®
left in the tank.
Add AdBlue ®
» page 204 .
illumi-
nates
Add AdBlue (DEF)! No engine start in ….ADD ADBLUE (DEF)_NO START IN …
The value in the display indicates the distance that can still be travelled, after
which no engine restart is possible unless AdBlue ®
is added.
Add AdBlue ®
» page 204 .
illumi-
nates
Add AdBlue (DEF)! Engine start disabled.ADD ADBLUE (DEF) RESTART DISABLED
It is no longer possible to start the engine.
Add AdBlue ®
» page 204 .
AdBlue ®
fault
illumi-
nates
Error: AdBlue (DEF). No engine start in ….ADBLUE (DEF) ERROR NO START IN …
There is a fault in the AdBlue ®
system.
The value in the display indicates the distance to travel, after which no engine
restart is possible.
Seek help from a specialist garage.
illumi-
nates
Error: AdBlue (DEF). Engine start disabled.ADD ADBLUE (DEF) RESTART DISABLED
There is a fault in the AdBlue ®
system.
It is no longer possible to start the engine.
Seek help from a specialist garage.
Lamp failure
Read and observe
on page 32 first.
illuminates – one of the lamps is defective. A message will appear con-
cerning the affected lamp.
An example message in the display of the instrument cluster
Check right dipped headlight beam!DIPPED HEADLIGHT CHECK RIGHT
Diesel particulate filter (diesel engine)
Read and observe
on page 32 first.
The diesel particulate filter separates the soot particles from the exhaust. The soot particles collect in the diesel particulate filter where they are burnt on a
regular basis.
illuminates – the filter is clogged with soot.
To clean the filter, and where traffic conditions permit »
, drive as follows for
at least 15 minutes or until the indicator light goes out.
4th or 5th gear engaged (automatic gearbox: Position D/S).
Vehicle speed at least 70 km/h.
Engine speed between 1800 - 2500 rpm.
If the filter is properly cleaned, the warning light extinguishes.
If the filter is not properly cleaned, the warning light does not go out and
the warning light begins to flash.
Particulate filter: owner's manual!PARTICLE FILTER OWNER MANUAL
Seek help from a specialist garage.
39Instruments and warning lights