2008 MERCEDES-BENZ ML550 controls in detail

154 Controls in detail
Control system
Standard display menu
In the standard display, the main odometer
and the trip odometer appear in the multi-
function display.
1Trip odometer
2Main odometer
If you see another display, press
buttonè orÿ repeatedly until
the standard display appears.
Press buttonk orj to select
the functions in the standard display
menu.The following functions are available:Checking coolant temperature
FunctionPage
Checking tire inflation pressure359
Checking coolant temperature154
Calling up digital speedometer
or outside temperature155
Calling up maintenance service
indicator388
Warning!G

Driving when your engine is overheated
can cause some fluids which may have
leaked into the engine compartment to
catch fire. You could be seriously
burned.

Steam from an overheated engine can
cause serious burns which can occur
just by opening the hood. Stay away
from the engine if you see or hear steam
coming from it.
Stop the vehicle in a safe location away from
other traffic. Turn off the engine, get out of
the vehicle and do not stand near the vehicle
until the engine has cooled down.

155 Controls in detail
Control system
Press buttonk orj repeatedly
until the coolant temperature appears
in the multifunction display.Calling up digital speedometer or
outside temperature
Press buttonk orj repeatedly
until the digital speedometer or the
outside temperature appears in the
multifunction display.
Digital speedometer
Outside temperature
!Excessive coolant temperature triggers a
warning message in the multifunction display
(
page 431).
The engine should not be operated with the
coolant temperature above 248°F (120°C).
Doing so may cause serious engine damage
which is not covered by the Mercedes-Benz
Limited Warranty.
iDuring severe operating conditions, e.g.
stop-and-go traffic, the coolant temperature may
rise close to 248°F (120°C).
iYou can select whether the digital speedom-
eter or the outside temperature is shown in the
multifunction display.
You can change the setting in the submenu
Instrument Cluster via the function Status
Line Display
, see “Selecting display (digital
speedometer or outside temperature) for status
indicator” (
page 168).

156 Controls in detail
Control system
AMG menu
The main screen of the AMG menu shows
you the gear currently engaged as well as
the engine oil temperature.
Press buttonè orÿ repeatedly
until the AMG menu appears in the
multifunction display.
1Gear indicator
2Engine oil temperatureUse buttonsk orj to select the
following functions in the AMG menu:Vehicle supply voltage
Press buttonè orÿ repeatedly
until the AMG menu appears in the
multifunction display.
Press buttonj repeatedly until the
vehicle supply voltage appears in the
multifunction display.
1Gear indicator
2Vehicle supply voltage
iThis function is only available in AMG
vehicles.
iThe engine oil temperature value flashes
if the engine oil temperature has not yet reached
80°C. During this time, avoid driving at full
engine speed.
FunctionPage
Vehicle supply voltage156
RACETIMER157
Overall analysis158
Lap analysis159
iIf the engine reaches the overspeed range in
the manual shift program (
page 195), the
menu will be shown in red. In addition, you will
see UP next to gear indicator1 as a reminder to
upshift.

157 Controls in detail
Control system
RACETIMER
The RACETIMER allows you to time and
save driving stretches in hours, minutes
and seconds.
Press buttonè orÿ repeatedly
until the AMG menu appears in the
multifunction display.
Press buttonj repeatedly until the
RACETIMER appears in the multifunc-
tion display.
1Gear indicator
2RACETIMER
3Lap numberStarting the RACETIMER
Press buttonæ.
The timer starts.
Displaying intermediate time
Press buttonç while the timer is
running.
The intermediate time is shown for
5 seconds.
Stopping the RACETIMER
Press buttonæ.
The timer stops.
Warning!G
The RACETIMER feature is only for use on
roads and in conditions where high speed
driving is permitted. Racing on public roads
is prohibited under all circumstances and
the driver is and must always remain re-
sponsible for following posted speed limits.
iYou can start the RACETIMER when the
engine is running or the starter switch is in
position2 (
page 40).
iWhile the RACETIMER is being displayed,
you cannot adjust the audio volume using
buttonsæ orç.iWhen you stop the vehicle and turn the
SmartKey to position1 (
page 40) or, in vehi-
cles with KEYLESS-GO*, turn off the engine and
do not open the driver’s door, the RACETIMER
stops timing. Timing is resumed when you
switch the ignition back on (
page 40) or
restart the engine (
page 54) and then press
buttonæ.

158 Controls in detail
Control system
Saving lap time and starting a new lap
Press buttonç while the timer is
running.
The intermediate time will be shown for
5 seconds.
Press buttonç within 5 seconds.
The intermediate time shown will be
saved as a lap time.
The RACETIMER begins timing the new
lap. The new lap begins to be timed as
soon as the intermediate time is called
up.
1Gear indicator
2RACETIMER
3Best lap time
4Lap numberResetting current lap
Press buttonæ while the timer is
running.
The timer stops.
Press buttonç.
The lap time is reset to “0”.
Deleting all laps
Press buttonæ while the timer is
running.
The timer stops.
Press the reset button twice
(
page 26).
Press buttonæ.
The timer starts. The saved laps are
deleted.Overall analysis
Press buttonè orÿ repeatedly
until the AMG menu appears in the mul-
tifunction display.
Press buttonj repeatedly until the
overall analysis appears in the multi-
function display.
1Overall analysis of RACETIMER
2Overall driving time
3Maximum speed
4Overall distance driven
5Average speed
iYou can save up to nine laps.
iIt is not possible to delete a single saved lap.
iWhen you switch off the engine, the
RACETIMER will be reset to“0” after 30 seconds.
All laps are deleted.
iThese functions are only available if you
have saved at least one lap and have stopped the
RACETIMER.

159 Controls in detail
Control system
Lap analysis
Press buttonè orÿ repeatedly
until the AMG menu appears in the mul-
tifunction display.
Press buttonj repeatedly until the
lap analysis appears in the multifunc-
tion display.
1Lap number
2Lap time
3Maximum speed
4Lap length
5Average speed during lap
Press buttonj ork to see
other lap analyses.
Off-road Mode menu
Use this function to switch the off-road
driving program (
page 253) On or Off.
Press buttonè orÿ repeatedly
until the Off-road mode menu appears
in the multifunction display.
Off-road mode
Press buttonæ orç to switch
the off-road driving program
On or Off.The symboly appears in the lower
multifunction display.
iThese functions are only available if you
have saved at least two laps and have stopped
the RACETIMER.
iEach lap is shown in its own submenu. The
fastest lap is indicated by flashing symbol1.
iThis function is only available in AMG
vehicles.
iThe setting is stored when you turn off the
engine.

160 Controls in detail
Control system
AUDIO menu
The functions in the
AUDIO menu operate
the audio equipment which you currently
have turned on.
If no audio equipment is currently turned
on, the message
AUDIO Off appears in the
multifunction display.
The following functions are available:
Selecting radio station
Turn on the COMAND system and
select radio. Refer to separate
COMAND system operating instruc-
tions.
Press buttonè orÿ repeatedly
until the currently tuned station
appears in the multifunction display.1Waveband setting
2Station frequency
Press buttonk orj repeatedly
until the desired station is found.
The station search depends on the se-
lected setting in the
Vehicle submenu
of the control system (
page 175).
Pressing buttonk orj will
either start a frequency scan or select
the next stored radio station.Selecting satellite radio station*
The satellite radio is treated as a radio
application.
Select satellite radio with the
corresponding soft key on the
COMAND system.
1SAT mode
2Channel name or number
Press buttonk orj repeatedly
until the desired channel is found.
FunctionPage
Selecting radio station160
Selecting satellite radio station*160
Operating CD player161
iYou can only store new stations using the
corresponding feature on the radio. Refer to
separate COMAND system operating instruc-
tions.
You can also operate the radio in the usual
manner.iAdditional optional satellite radio equipment
and a subscription to satellite radio service pro-
vider are required for satellite radio operation.
Contact an authorized Mercedes-Benz Light
Truck Center for details and availability for your
vehicle.
For more information, refer to separate
COMAND system operating instructions.

161 Controls in detail
Control system
Operating CD player
Selecting CD track
Turn on the COMAND system and
select CD. Refer to separate COMAND
system operating instructions.
Press buttonè orÿ repeatedly
until the settings for the CD currently
being played appear in the multifunc-
tion display.
1Current CD (for CD changer*)
2Current track
Press buttonk orj repeatedly
until the desired track is selected.Selecting MP3-CD track
Turn on the COMAND system and se-
lect MP3. Refer to separate COMAND
system operating instructions.
Press buttonè orÿ repeatedly
until the settings for the MP3-CD
currently being played appear in the
multifunction display.
1MP3 mode
2Current track
Press buttonk orj repeatedly
until the desired track is selected.
NAV* menu
The
NAV menu contains the functions
needed to operate your navigation system.
Press buttonè orÿ repeatedly
until the message
NAV appears in the
multifunction display.
The message shown in the multifunction
display depends on the status of the navi-
gation system:

With the COMAND system switched
off, the message
NAV off appears in
the multifunction display.

With the COMAND system switched on
but route guidance not activated, the
direction of travel and, if applicable, the
name of the street currently traveled
on appear in the multifunction display.

With the COMAND system switched on
and route guidance activated, the di-
rection of travel and maneuver instruc-
tions appear in the multifunction
display.
iVehicles with CD changer*: To select a CD
from the CD changer magazine, press a number
on the COMAND system key pad located in the
center console.