This function is only available if you have
stored at least two laps and have stopped the
RACETIMER.
X
Press =or; on the steering wheel
to select the AMG menu.
X Press the 9button repeatedly until the
lap evaluation is shown.
Each lap is shown in a separate submenu.
The fastest lap is indicated by flashing sym-
bol :.
X Press the 9or: button to select a
different lap evaluation. Display messages
Introduction
General notes Display messages appear in the multifunction
display.
Display messages with graphic symbols are
simplified in the Owner's Manual and may dif-
fer from the symbols in the multifunction dis-
play.
Please respond in accordance with the dis-
play messages and follow the additional
notes in this Owner's Manual.
Certain display messages are accompanied
by an audible warning tone or a continuous
tone.
When you stop and park the vehicle, please
observe the notes on:
R
HOLD function (Y page 196)
R Parking (Y page 163)
Hiding display messages X
Press the aor% button on the steer-
ing wheel to hide the display message.
The display message is cleared.
High-priority display messages are red.
You cannot hide display messages of the
highest priority. The multifunction display
shows these messages continuously until the causes for the messages have been rem-
edied.
Message memor
ymenu The on-board compute
rsaves certain display
messages .You can call up the display mes-
sages in the message memory.
X Press the =or; button on the steer-
ing wheel to select the Serv. menu.
If there are display messages, the multi-
function display shows 2 messages , for
example.
X Press the 9or: button to select the
entry, e.g. 2 messages .
X Press ato confirm.
X Press the 9or: button to scroll
through the display messages.
When the ignition is switched off, all display
messages are deleted apart from some high-
priority display messages. Once the causes of
the high-priority display messages have been
rectified, the corresponding display mes-
sages are also deleted. 228
Display messagesOn-board computer and displays
Safety systems
Display messages Possible causes/consequences and
M Solutions
!÷
currently unavail‐
able See Owner's
Manual ABS (Anti-lock Braking System), ESP
®
(Electronic Stability Pro-
gram), BAS (Brake Assist), the HOLD function, hill start assist and
ESP ®
trailer stabilisation are temporarily unavailable.
BAS and the adaptive brake lights may also have failed.
In addition, the ÷,åand! warning lamps light up in
the instrument cluster.
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 wheels could therefore lock if you
brake hard, for example.
The steerability and braking characteristics may be severely affec-
ted. The braking distance in an emergency braking situation can
increase.
If ESP ®
is not operational, ESP ®
is unable to stabilise the vehicle.
The danger of skidding and having an accident increases.
X Carefully drive on a suitable stretch of road making slight steer-
ing movements at a speed above 20 km/h.
If the display message disappears, the functions mentioned
above are available again.
If the display message continues to be displayed:
X Drive on carefully.
X Visit a qualified specialist workshop. !÷
inoperative See
Owner's Manual ABS, ESP
®
, BAS, the HOLD function, hill start assist and
ESP ®
trailer stabilisation are unavailable due to a malfunction.
BAS and the adaptive brake lights may also have failed.
In addition, the J,÷,åand! warning lamps light
up in the instrument cluster.
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 affec-
ted. The braking distance in an emergency braking situation can
increase. Display messages
229On-board computer and displays Z
Display messages Possible causes/consequences and
M Solutions
÷
inoperative See
Owner's Manual ESP
®
, BAS, the HOLD function, hill start assist and ESP ®
trailer
stabilisation are unavailable due to a malfunction.
BA Sa nd the adaptive brake lights may also have failed.
In addition, the ÷andå warning lamps light up in the
instrument cluster.
G WARNING
The brake system continue sto function normally, but without the
functions listed above.
The braking distance in an emergency braking situation can thus
increase.
If ESP ®
is not operational, ESP ®
is unable to stabilise the vehicle.
The danger of skidding and having an accident increases.
X Drive on carefully.
X Visit a qualified specialist workshop. T!
÷
inoperative See
Owner's Manual EBD (electronic brake force distribution), ABS, ESP
®
, BAS, the
HOLD function, hill start assist and ESP ®
trailer stabilisation are
unavailable due to a malfunction.
BAS and the adaptive brake lights may also have failed.
In addition, the ÷,åand! warning lamps light up in
the instrument cluster and a warning tone sounds.
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 example.
The steerability and braking characteristics may be severely affec-
ted. The braking distance in an emergency braking situation can
increase.
If ESP ®
is not operational, ESP ®
is unable to stabilise the vehicle.
The danger of skidding and having an accident increases.
X Drive on carefully.
X Visit a qualified specialist workshop immediately. !
Release parking
brake You are driving with the parking brake applied
.Awarning tone also
sounds.
X Release the parking brake. Display messages
231On-board computer and displays Z
Display messages Possible causes/consequences and
M Solutions
Ø
Eng.
start not pos‐
sible in ... km The AdBlue
®
system is malfunctioning. A warning tone also
sounds.
X Visit a qualified specialist workshop immediately. Ø
Engine start not
possible The AdBlue
®
system is malfunctioning. A warning tone also
sounds. You can no longer start the engine.
X Consult a qualified specialist workshop immediately. Driving systems
Display messages Possible causes/consequences and
M Solutions
TC shift condi‐
tions not fulfilled
Apply the brake/
parking brake The parking brake has no
tbeen applied and the brake pedal has
not been depressed. The transfer case has cancelled the gear
change process and is in Neutral.There is no connection between
the engine and the drive wheels.
X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Depress the brake pedal and apply the parking brake.
X Shift the automatic transmission to neutral position N.
X Make sure all conditions for changing gears are met
(Y page 202).
X Repeatt he gearshift process. TC malfunction
Visit workshopTo
park, apply the
parking brake There is a malfunction in the transfer case.
X
Do not shift the transfer case.
X When parking, secure the vehicle against rolling away
(Y page 163).
X Have the vehicle checked at a qualified specialist workshop. TC shift procedure
cancelled
Reactivate The transfer case has not performed the gear change process.
X
Repeatt he gearshift process.
X Make sure all conditions for changing gears are met
(Y page 202). TC shift condition
not fulfilled
Drive at max.
40 km/h You have exceeded the maximum speed for the gearshift process.
X
Drive more slowly.
X Repeatt he gearshift process. Display messages
241On-board computer and displays Z
Display messages Possible causes/consequences and
M Solutions
Cr. control and
SPEEDTRONIC inop‐
erative SPEEDTRONIC and cruise control are malfunctioning.
X
Visit a qualified specialist workshop. Limit
--- km/h While depressing the accelerato
rpedal beyond the pressure point
(kickdown), SPEEDTRONIC cannot be activated. Cruise control
--- km/h A condition for activating cruise control has not been met.
You have tried to store
aspeed below 30 km/h, for example.
X If conditions permit, drive faster than 30 km/h and store the
speed.
X Check the activation conditions for cruise control
(Y page 173). 120 km/h
Maximum speed
exceeded Only for certain countries: the maximum speed has been excee-
ded.
In addition, the multifunction display shows
120 km/h .
X Drive more slowly. Tyres
Display messages Possible causes/consequences and
M Solutions
Tyre pressure dis‐
played only after
driving for a few
minutes The tyre pressure monitor is measuring the tyre pressure.
X
Drive on.
The tyre pressures appear in the multifunction display after you
have been driving for a few minutes. Tyre pressure mon‐
itor inoperative The tyre pressure monitor is faulty.
X
Visit a qualified specialist workshop. Tyre press. moni‐
tor inoperative No
wheel sensors The wheels fitted do not have a suitable tyre pressure sensor. The
tyre pressure monitor is deactivated.
X
Fit wheels with suitable tyre pressure sensors.
The tyre pressure monitor is activated automatically after driv-
ing for a few minutes. Display messages
245On-board computer and displays Z
Display messages Possible causes/consequences and
M Solutions
Check tyres The tyre pressure in one or more tyres has dropped significantly.
The wheel position is displayed in the multifunction display.
Aw
arning tone also sounds.
G WARNING
With tyre pressures which are too low, there is a ris kofthe fol-
lowing hazards:
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 163).
X If there is a flat tyre, inspect the tyres (Y page 309).
X Check the tyre pressure (Y page 327).
X If necessary, correct the tyre pressure. Caution, 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 163).
X If there is a flat tyre, inspect the tyres (Y page 309).246
Display messagesOn-board computer and displays
Display messages Possible causes/consequences and
M Solutions
Please correct
tyre pressure The tyre pressure is too low in at leas
tone 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 327).
X If necessary, correct the tyre pressure.
X Restart the tyre pressure monitor (Y page 328).Wheel sensor(s)
missing There is no signal from the tyre pressure sensor of one or several
wheels
.The pressure of the affected tyre is not displayed in the
multifunction display.
X Have the faulty tyre pressure sensor replaced at a qualified spe-
cialist workshop. Tyre pressure mon‐
itor not currently
available Due to a source of radio interference, no signals can be received
from the wheel sensors. The tyre pressure monitor is temporarily
malfunctioning.
X
Drive on.
The tyre pressure monitor restarts automatically as soon as the
cause has been rectified. h
Tyre pressure Cau‐
tion Tyre malfunc‐
tion The tyre pressure in one or more tyres has dropped suddenly.
Aw
arning tone also sounds.
G WARNING
If you drive with a flat tyre, there is a ris kofthe 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 163).
X If there is a flat tyre, inspect the tyres (Y page 309). Display messages
247On-board computer and displays Z
Display messages Possible causes/consequences and
M Solutions
h
Tyre pressure
Check tyre(s) The tyre pressure in one or more tyres has dropped significantly.
G WARNING
With tyre pressures which are too low, there is a ris kofthe fol-
lowing hazards:
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 163).
X If there is a flat tyre, inspect the tyres (Y page 309).
X Check the tyre pressure (Y page 327).
X If necessary, correct the tyre pressure. h
Tyre pressure
Please correct 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 327).
X If necessary, correct the tyre pressure. Vehicle
Display messages Possible causes/consequences and
M Solutions
To start the
engine, shift to
either P or N You have attempted to start the engine with the transmission in
position
Ror D.
X Shift the transmission to position Por N. Auxiliary battery
malfunction The auxiliary battery for the automatic transmission is no longer
being charged.
X
Visit a qualified specialist workshop at the next opportunity.
X Until then, set the automatic transmission to position Pbefore
you switch off the engine.
X Before leaving the vehicle, apply the parking brake. 248
Display messagesOn-board computer and displays