Display messages
Possible causes/consequences and
M
MSolutions Speed
Speed
limit
limit(winter
(winter
tyres) - - - km/h
tyres) - - - km/h You have reached the stored speed limit for winter tyres. It is not
possible to exceed this speed. You can suppress this message by
pressing the
abutton. The message will not reappear until the
ignition has been switched on again. Cruise control Cruise control
--- km/h --- km/h R
A condition for activating cruise control has not been met.
You have tried to store a speed below 30 km/h, for example.
R ESP ®
is deactivated The yellow ESP ®
OFF warning lamp is lit.
X If conditions permit, drive faster than 30 km/h and store the speed.
or X Check the activation conditions for cruise control (Y page 180).
or
X Reactivate ESP ®
(Y page 73). Cruise control off Cruise control off Cruise control has been deactivated.
If a warning tone also sounds, cruise control has deactivated auto-
matically (Y page 180). 120 km/h! 120 km/h!
Maximum Maximum
speed
speedexcee‐
excee‐
ded
ded Only for certain countries: the maximum speed has been exceeded.
In addition, the multifunction display shows
120 km/h! 120 km/h!
X Drive more slowly. 282
Display
messagesOn-board computer and displays
tyres
Display messages
Possible causes/consequences and
M
MSolutions Tyre
Tyre
pressure
pressure Check
Check
tyres
tyres The tyre pressure loss warning system has detected a significant loss
in pressure.
A warning tone also sounds.
Possible causes:
R you have changed the positions of the wheels and tyres or fitted new
wheels and tyres
R the tyre pressure in one or more tyres has dropped
G WARNING
Underinflated tyres pose the following risks:
R the tyres may burst, especially as the load and vehicle speed
increase
R the tyres may wear excessively and/or unevenly, which may greatly
impair tyre traction
R the driving characteristics, as well as steering and braking, may be
greatly impaired
There is a risk of an accident.
X Stop the vehicle without making any sudden steering or braking
manoeuvres. Pay attention to the traffic conditions as you do so.
X Safeguard the vehicle against rolling away (Y page 168).
X Check the tyres and, if necessary, follow the instructions for a flat
tyre (Y page 346).
X Check the tyre pressures and, if necessary, correct the tyre pres-
sure.
X Restart the tyre pressure loss warning system when the tyre pres-
sure is correct (Y page 366). Check tyre pres‐ Check tyre pres‐
sures then restart sures then restart
Run Flat Indicator Run Flat Indicator The tyre pressure loss warning system generated a display message
and has not been restarted since.
X Set the correct tyre pressure in all four tyres.
X Restart the tyre pressure loss warning system (Y page 366).Run Flat Indicator Run Flat Indicator
inoperative inoperative The tyre pressure loss warning system is faulty.
X Consult a qualified specialist workshop. Rectify tyre pres‐
Rectify tyre pres‐
sure sure The tyre pressure is too low in at least one of the tyres, or the tyre
pressure difference between the wheels is too great.
X Check the tyre pressures at the next opportunity (Y page 367).
X If necessary, correct the tyre pressure.
X Restart the tyre pressure monitor (Y page 368). Display
messages
283On-board computer and displays Z
Display messages
Possible causes/consequences and
M
MSolutions Check tyre(s)
Check tyre(s) The tyre pressure in one or more tyres has dropped significantly. The
wheel position is displayed in the multifunction display.
A warning tone also sounds.
G WARNING
Underinflated tyres pose the following risks:
R the tyres may burst, especially as the load and vehicle speed
increase
R the tyres may wear excessively and/or unevenly, which may greatly
impair tyre traction
R the driving characteristics, as well as steering and braking, may be
greatly impaired
There is a risk of an accident.
X Stop the vehicle without making any sudden steering or braking
manoeuvres. Pay attention to the traffic conditions as you do so.
X Secure the vehicle against rolling away (Y page 168).
X Check the tyres and, if necessary, follow the instructions for a flat
tyre (Y page 346).
X Check the tyre pressure (Y page 367).
X If necessary, correct the tyre pressure. Warning tyre defect Warning tyre defect The tyre pressure in one or more tyres has dropped suddenly. The
wheel position is displayed in the multifunction display.
G WARNING
If you drive with a flat tyre, there is a risk of the following hazards: R a flat tyre affects the ability to steer or brake the vehicle
R you could lose control of the vehicle
R continued driving with a flat tyre will cause excessive heat build-up
and possibly a fire
There is a risk of an accident.
X Stop the vehicle without making any sudden steering or braking
manoeuvres. Pay attention to the traffic conditions as you do so.
X Secure the vehicle against rolling away (Y page 168).
X Check the tyres and, if necessary, follow the instructions for a flat
tyre (Y page 346). Tyre Tyre
press.
press. monitor
monitor
currently unavaila‐
currently unavaila‐
ble ble No signals can be received from the tyre pressure sensors due to
strong RF interference. The tyre pressure monitor is temporarily mal-
functioning.
X Drive on.
The tyre pressure monitor restarts automatically as soon as the
cause has been rectified. 284
Display
messagesOn-board computer and displays
Warning/
indicator
lamp
N N
Signal type
Possible causes/consequences and M
MSolutions !
N
The yellow ABS warning lamp lights up while the engine is running.
ABS (Anti-lock Braking System) has been deactivated due to a fault.
Other driving and driving safety systems may also be malfunctioning.
In addition, the ÷andå warning lamps may light up in the instrument
cluster.
ATTENTION ASSIST is deactivated.
G WARNING
The brake system continues to function normally, but without the functions listed above. The wheels could therefore lock if you brake hard, for example.
The steerability and braking characteristics may be severely affected. The braking
distance may increase in an emergency braking situation.
If ESP ®
is not operational, ESP ®
is unable to stabilise the vehicle.
There is an increased danger of skidding and risk of an accident.
X Observe the additional display messages in the multifunction display.
X Drive on carefully.
X Consult a qualified specialist workshop immediately.
If the ABS control unit is faulty, there is also a possibility that other systems, such as the navigation system or the automatic transmission, will be unavailable. Warning and indicator lamps in the instrument cluster
293On-board computer and displays Z
Warning/
indicator
lamp
N N
Signal type
Possible causes/consequences and M
M Solutions !
N
The yellow ABS warning lamp lights up while the engine is running.
ABS is temporarily unavailable.
Other driving and driving safety systems may also be malfunctioning.
In addition, the ÷andå warning lamps may light up in the instrument
cluster.
ATTENTION ASSIST is deactivated.
Possible causes:
R Self-diagnosis is not yet complete.
R The on-board voltage may be insufficient.
G WARNING
The brake system continues to function normally, but without the functions listed above. The front and rear wheels could therefore lock if you brake hard, for exam-
ple.
The steerability and braking characteristics may be severely affected. The braking
distance may increase in an emergency braking situation.
If ESP ®
is not operational, ESP ®
is unable to stabilise the vehicle.
There is a risk of an accident.
X Carefully drive on a suitable stretch of road, making slight steering movements
at a speed above 20 km/h.
The functions mentioned above are available again when the warning lamp goes
out.
If the warning lamp is still on: X Observe the additional display messages in the multifunction display.
X Drive on carefully.
X Consult a qualified specialist workshop immediately. 294
Warning and indicator lamps in the instrument clusterOn-board computer and displays
Warning/
indicator
lamp
N N
Signal type
Possible causes/consequences and M
MSolutions !
N
The yellow ABS warning lamp lights up while the engine is running.
EBD is unavailable due to a malfunction.
Other driving and driving safety systems may also be malfunctioning.
In addition, the ÷andå warning lamps may light up in the instrument
cluster.
ATTENTION ASSIST is deactivated.
G WARNING
The brake system continues to function normally, but without the functions listed above. The front and rear wheels could therefore lock if you brake hard, for exam-
ple.
The steerability and braking characteristics may be severely affected. The braking
distance may increase in an emergency braking situation.
If ESP ®
is not operational, ESP ®
is unable to stabilise the vehicle.
There is an increased danger of skidding and risk of an accident.
X Observe the additional display messages in the multifunction display.
X Drive on carefully.
X Consult a qualified specialist workshop immediately. J÷
å!
N
The red brake system warning lamp and the yellow ESP ®
, ESP ®
OFF and ABS
warning lamps are lit while the engine is running.
ABS and ESP ®
are malfunctioning.
Other driving and driving safety systems may also be malfunctioning.
ATTENTION ASSIST is deactivated.
G WARNING
The brake system continues to function normally, but without the functions listed above. The front and rear wheels could therefore lock if you brake hard, for exam-
ple.
The steerability and braking characteristics may be severely affected. The braking
distance may increase in an emergency braking situation.
If ESP ®
is not operational, ESP ®
is unable to stabilise the vehicle.
There is an increased danger of skidding and risk of an accident.
X Observe the additional display messages in the multifunction display.
X Drive on carefully.
X Consult a qualified specialist workshop immediately. Warning and indicator lamps in the instrument cluster
295On-board computer and displays Z
Warning/
indicator
lamp
N N
Signal type
Possible causes/consequences and M
M Solutions ÷
N
The yellow ESP ®
warning lamp flashes while the vehicle is in motion.
ESP ®
or traction control has engaged due to a risk of skidding or because at least
one wheel has started to spin.
Cruise control or Distance Pilot DISTRONIC is deactivated.
X Only depress the accelerator pedal as far as necessary when pulling away.
X Accelerate more gently while the vehicle is in motion.
X Adapt your driving style to suit the road and weather conditions.
X Do not deactivate ESP ®
.
In rare cases (Y page 73) it may be better to deactivate ESP ®
.
Observe the important safety notes on ESP ®
(Y page 73). å
N
The yellow ESP ®
OFF warning lamp is lit while the engine is running.
ESP ®
is deactivated.
G WARNING
If ESP ®
is deactivated, ESP ®
is unable to stabilise the vehicle.
Further driving systems or driving safety systems are thus restricted, e.g. Active
Blind Spot Assist. The system does not perform course-correcting braking appli-
cations.
There is an increased danger of skidding and risk of an accident.
X Reactivate ESP ®
.
In rare cases (Y page 73) it may be better to deactivate ESP ®
.
Observe the important safety notes on ESP ®
(Y page 73).
X Adapt your driving style to suit the road and weather conditions.
If ESP ®
cannot be activated:
X Drive on carefully.
X Contact a qualified specialist workshop immediately and have the ESP ®
system
checked. 296
Warning and indicator lamps in the instrument clusterOn-board computer and displays
Warning/
indicator
lamp
N N
Signal type
Possible causes/consequences and M
MSolutions ֌
N
The yellow ESP ®
and ESP ®
OFF warning lamps are lit while the engine is running.
ESP ®
, BAS, Active Brake Assist, Active Brake Assist with Cross-Traffic Assist,
ESP ®
trailer stabilisation, PRE ‑SAFE®
, PRE‑SAFE ®
PLUS, the HOLD function, hill
start assist, Crosswind Assist, adaptive brake lights, STEER CONTROL, Active Lane
Keeping Assist and Active Blind Spot Assist are not available due to a malfunction.
ATTENTION ASSIST is deactivated.
G WARNING
The brake system continues to function normally, but without the functions listed above.
The braking distance may thus increase in an emergency braking situation.
If ESP ®
is not operational, ESP ®
is unable to stabilise the vehicle.
There is an increased danger of skidding and risk of an accident.
X Observe the additional display messages in the multifunction display.
X Drive on carefully.
X Consult a qualified specialist workshop immediately. ֌
N
The yellow ESP ®
and ESP ®
OFF warning lamps are lit while the engine is running.
ESP ®
, BAS, Active Brake Assist, Active Brake Assist with Cross-Traffic Assist,
ESP ®
trailer stabilisation, PRE ‑SAFE®
, PRE‑SAFE ®
PLUS, the HOLD function, hill
start assist, Crosswind Assist, adaptive brake lights, STEER CONTROL, Active Lane
Keeping Assist and Active Blind Spot Assist are not available due to a malfunction.
ATTENTION ASSIST is deactivated.
Self-diagnosis is not yet complete.
G WARNING
The brake system continues to function normally, but without the functions listed above.
The braking distance may thus increase in an emergency braking situation.
If ESP ®
is not operational, ESP ®
is unable to stabilise the vehicle.
There is an increased danger of skidding and risk of an accident.
X Carefully drive on a suitable stretch of road, making slight steering movements
at a speed above 20 km/h.
The functions mentioned above are available again when the warning lamp goes out.
If the warning lamp is still on: X Observe the additional display messages in the multifunction display.
X Drive on carefully.
X Consult a qualified specialist workshop immediately. Warning and indicator lamps in the instrument cluster
297On-board computer and displays Z