RACE TIMER
Displaying and starting RACETIMER
:Lap
;RACETIMER
The RACETIMER is only intended for use on a
closed race circuit. Do not use the function on
public roads.
You can start the RACETIMER when the engine is
running or if the key is in position 2in the igni-
tion lock.
XUse ò on the steering wheel to call up the
list of menus.
XPress the :or9 button on the steering
wheel to select the AMGmenu.
XConfirm by pressing aon the steering
wheel.
XPress the :or9 button repeatedly
until the RACETIMER is shown.
XTo start: press the abutton to start the
RACETIMER.
Starting a new lap
:Lap
;RACETIMER
=Quickest lap time
XPress the :or9 button to select NewLap.
XPressato confirm.
A maximum of 32 laps may be stored.
Stopping the RACETIMER
XPress the :or9 button to select Stop.
XPressato confirm.
If you stop the vehicle and select key position
1, the RACETIMER interrupts timing. If you
select key position 3with the Start/Stop but-
ton and then press aStart
to confirm, tim-
ing is continued.
Continuing the RACETIMER
XPress the :or9 button to select Con‐tinue.
XPressato confirm.
Menus and submenus167
On-board computer and displays
Z
Resetting the RACETIMER
XPress the:or9 button to select Stop.
The RACETIMER is stopped.
XPress the :or9 button to select
Reset.
XPress ato confirm.
All laps are deleted.
Lap statistics
:Lap
;Lap time
=Average lap speed
?Lap length
This function is only available if you have stored
at least two laps and have stopped the RACE-
TIMER.
XUse ò on the steering wheel to call up the
list of menus.
XPress the :or9 button on the steering
wheel to select the AMGmenu.
XConfirm by pressing aon the steering
wheel.
XPress :or9 to select Lap List.
XPressato confirm.
The lap statistics are displayed.
XPress the 9or: button to select a dif-
ferent lap evaluation.
The fastest lap is indicated by flashing sym-
bol :.
Display messages
Introduction
General notes
Display messages appear in the multifunction display.
Display messages with graphic displays may be shown in simplified form in the Operator's Manual
and may therefore differ from the multifunction display.
Please respond in accordance with the display messages and follow the additional notes in this
Operator's Manual.
With certain display messages, you will also hear a warning tone.
You can hide the display messages. The display messages are then stored in the message memory.
Rectify the cause of a display message as soon as possible.
168Display messages
On-board computer and displays
When you stop and park the vehicle, please observe the notes on:
RHOLD function (Ypage 139)
RParking (Ypage 122)
Hiding display messages
XPress theaor% button on the steering wheel.
The multifunction display hides the display message.
High-priority display messages are shown in red in the multifunction display. Some high-priority
display messages cannot be hidden.
The multifunction display shows these messages continuously until the causes for the messages
have been remedied.
Message memory
The on-board computer saves certain display messages in the message memory. You can call up
the display messages:
XUse ò on the steering wheel to call up the list of menus.
XPress :or9 on the steering wheel to select the Servicemenu.
XConfirm by pressingaon the steering wheel.
XPress the :or9 button to select the message memory.
If there are no display messages, the No Messagesdisplay appears in the multifunction display
If there are display messages, the number of messages stored is shown.
XPress ato confirm.
XPress the :or9 button to scroll through the display messages.
Display messages169
On-board computer and displays
Z
Safety systems
Display messagesPossible causes/consequences andMSolutions
!÷
Currently Unavaila‐ble See Operator'sManual
ABS (Anti-lock Braking System) and ESP®(Electronic Stability Pro-
gram) are temporarily not available.
Other driving systems and driving safety systems may also malfunc-
tion.
In addition, the ÷and! warning lamps light up in the instru-
ment cluster.
For example, the on-board voltage may be insufficient.
GWARNING
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 in an emergency braking situation can increase.
If ESP
®is not operational, ESP®is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
XDrive on carefully.
Carefully drive on a suitable stretch of road, making slight steering
movements at a speed above 12 mph (20 km/h).
If the display message disappears, the functions mentioned above are available again.
If the multifunction display still shows the display message:
XDrive on carefully.
XVisit a qualified specialist workshop immediately.
!÷
Inoperative SeeOperator's Manual
ABS and ESP®are malfunctioning.
Other driving systems and driving safety systems may also malfunc-
tion.
The $ (USA only) or J(Canada only), ÷and! warning
lamps in the instrument cluster may also light up.
GWARNING
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 in an emergency braking situation can increase.
If ESP
®is not operational, ESP®is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
XDrive on carefully.
XVisit a qualified specialist workshop immediately.
170Display messages
On-board computer and displays
Display messagesPossible causes/consequences andMSolutions
÷
Inoperative SeeOperator'sManual
ES P®is malfunctioning .
Other drivin gsystems and drivin gsafet ysystems may also malfunc -
tion .
The ÷ warning lamp also lights up in th einstrumen tcluster.
GWARNIN G
The brak esystem continues to function normally, but without th e
function slisted above.
The braking distanc ein an emergenc ybraking situation can thus
increase.
If ES P
®is no toperational, ES P®is unable to stabiliz eth evehicle.
There is an increased ris kof skiddin gand an accident.
XDrive on carefully.
XVisit aqualified specialist workshop immediately.
÷
Currently Unavaila‐ble See Operator' sManual
ESP®is temporarily unavailable .
Other drivin gsystems and drivin gsafet ysystems may also malfunc -
tion .
The ÷ warning lamp also lights up in th einstrumen tcluster.
The self-diagnosis function might no tbe complete, for example.
GWARNIN G
The brak esystem continues to function normally, but without th e
function slisted above. The wheels could therefor eloc kif you brak e
hard, for example.
The braking distanc ein an emergenc ybraking situation can thus
increase.
If ES P
®is no toperational, ES P®is unable to stabiliz eth evehicle.
There is an increased ris kof skiddin gand an accident.
XCarefully drive on asuitable stretch of road, making slight steering
movement sat aspeed abov e12 mph (20 km/h).
If th edisplay message disappears, th efunction smentioned abov e
are available again .
If th emultifunction display still shows th edisplay message :
XDrive on carefully.
XVisitaqualified specialist workshop immediately.
Display messages17 1
On-board computer and displays
Z
Display messagesPossible causes/consequences andMSolutions
T!
÷
Inoperative SeeOperator' sManual
EB D(electronic brak eforce distribution), AB Sand ES P®are malfunc -
tioning .
Other drivin gsystems and drivin gsafet ysystems may also malfunc -
tion .
In addition ,th e÷ and! warning lamp sligh tup in th einstru-
men tcluste rand awarning tone sounds.
GWARNIN G
The brak esystem continues to function normally, but without th e
function slisted above. The fron tand rear wheels could therefor eloc k
if you brak ehard, for example.
The steerabilit yand braking characteristics may be severely affected.
The braking distanc ein an emergenc ybraking situation can increase.
If ES P
®is no toperational, ES P®is unable to stabiliz eth evehicle.
There is an increased ris kof skiddin gand an accident.
XDrive on carefully.
XVisit aqualified specialist workshop immediately.
J
Brake Immediately
A malfunction has occurred while th eHOLD function or Distanc ePilo t
DISTRONI Cwas activated.
A tone may also soun dat regular intervals. If you attemp tto loc kth e
vehicle, th etone become slouder.
You canno tstart th eengine.
XPayin gattention to th etraffic situation ,immediately depress th e
brak epedal firmly and hold until th edisplay message disappears.
XSecur eth evehicl eagainst rollin gaway (Ypage 122).
F(USA
only)
!(Canada
only)
Tur nOn the Igni‐
tio ntoReleas etheParkingBrake
The red F(USAonly) or !(Canada only) indicator lamp lights
up.
You attempte dto release th eelectric parking brak ewhile th eignition
was switched off .
XSwitchon th eignition .
F(USA
only)
!(Canada
only)
Please
Releas ePark‐ing Brake
The red F(USAonly) or !(Canada only) indicator lamp flashes
and awarning tone sounds. Acondition for automatic release of th e
electric parking brak eis no tfulfilled (
Ypage 125).
You are drivin gwit hth eelectric parking brak eapplied.
XReleas eth eelectric parking brak emanually.
The red F(USAonly) or !(Canada only) indicator lamp flashes
and awarning tone sounds.
You are usin gth eelectric parking brak efor emergenc ybraking
(
Ypage 124).
172Display messages
On-board computer and displays
Display messagesPossible causes/consequences andMSolutions
F(USA
only)
!(Canada
only)
Parkin gBrake See
Operator' sManual
The yellow !warning lamp lights up.
The electric parking brak eis malfunctioning .
To apply :
XSwitchth eignition off .
XPress theelectric parking brak ehandle for at least te nseconds.
XShift th etransmission to position j.
XConsultaqualified specialist workshop .
The yellow!warning lamp and th ered F (USAonly) or !
(Canada only) indicator lamp ligh tup.
The electric parking brak eis malfunctioning .
To release:
XSwitc hoff th eignition and tur nit bac kon .
XReleas eth eelectric parking brak emanually.
or
XReleas eth eelectric parking brak eautomatically (Ypage 125).
If th eelectric parking brak estill canno tbe released:
XDo no tdrive on .
XConsult aqualified specialist workshop .
The redF(USAonly) or !(Canada only) indicator lamp flashes
and th eyellow !warning lamp lights up.
The electric parking brak eis malfunctioning .
To release:
XSwitc hoff th eignition and tur nit bac kon .
XReleas eth eelectric parking brak emanually.
To apply :
XSwitchoff th eignition and tur nit bac kon .
XApply th eelectric parking brak emanually.
If th ered F (USAonly) or !(Canada only) indicator lamp con-
tinue sto flash:
XDo no tdrive on .
XSecureth evehicl eagainst rollin gaway (Ypage 277).
XShift th etransmission to position j.
XTurn thefron twheels toward sth ecurb.
XConsult aqualified specialist workshop .
Display messages173
On-board computer and displays
Z
Display messagesPossible causes/consequences andMSolutions
Cruise Control- - -mph
RAcondition for activating cruise control has no tbeen fulfilled .
You hav etried to store aspeed belo w20 mph (30 km/h), for exam-
ple
RES P®is deactivated. The yellow ES P®OFFwarning lamp is lit .
XIf conditionspermit ,drive at aspeed faste rthan 20 mph (30 km/h)
and store the speed.
or
XCheck the activation conditions for cruise control (Ypage 129).
or
XReactivate ESP®(Ypage 61).
Cruise Control OffCruise control has been deactivated.
If a warning tone also sounds, cruise control has deactivated auto-
matically (
Ypage 129).
Tires
Display messagesPossible causes/consequences and MSolutions
PleaseCorrectTirePressureThe tire pressure is too low in at least one of the tires, or the tire
pressure difference between the wheels is too great.
XCheck the tire pressures at the next opportunity (Ypage 264).
XIf necessary, correct the tire pressure.
XRestart the tire pressure monitor (Ypage 266).
Check TiresThe tire pressure in one or more tires has dropped significantly. The
wheel position is displayed in the multifunction display.
A warning tone also sounds.
GWARNING
Tire pressures that are too low pose the following hazards:
Rthey may burst, especially as the load and vehicle speed increase.
Rthey may wear excessively and/or unevenly, which may greatly
impair tire traction.
Rthe driving characteristics, as well as steering and braking, may be
greatly impaired.
There is a risk of an accident.
XStop the vehicle without making any sudden steering or braking
maneuvers. Pay attention to the traffic conditions as you do so.
XSecure the vehicle against rolling away (Ypage 122).
XCheck the tires and, if necessary, follow the instructions for a flat
tire (Ypage 246).
XCheck the tire pressure (Ypage 264).
XIf necessary, correct the tire pressure.
186Display messages
On-board computer and displays