Page 162 of 521

161 Controls in detail
Control system
Standard display menu
Press buttonk orj repeatedly
to select the functions in the standard
display menu.
The following functions are available:
Display digital speedometer
Press button k orj repeatedly
until the digital speedometer appears
in the multifunction display.
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:Select radio station
Turn on COMAND and select radio. Re-
fer to separate COMAND operating in-
structions.
Press buttonè orÿ repeatedly
until you see the currently tuned sta-
tion in the multifunction display.
1Waveband setting
2Station frequency
Press buttonk orj repeatedly
until the desired station is found.
Function
Page
Calling up digital speedometer
161
Calling up maintenance service
indicator
358
Checking tire inflation pressure*
335
Checking engine oil level
317
Function
Page
Select radio station
161
Select satellite radio station*
162
Operate CD player
162
iYou can only store new stations using
the corresponding feature on the radio,
see separate operating instructions.
You can also operate the radio in the
usual manner.
Page 488 of 521

487 Technical data
Fuels, coolants, lubricants etc.
In areas where carbon deposits may be en-
countered due to lack of availability of
gasolines which contain these additives,
Mercedes-Benz recommends the use of
additives approved by us for use on
Mercedes-Benz vehicles. Refer to Factory
Approved Service Products Pamphlet for a
listing of approved product(s). Follow di-
rections on product label.
Do not blend other fuel additives with fuel.
This only results in unnecessary costs and
may be harmful to the engine operation.
Damage or malfunction resulting from
poor fuel quality or from blending addition-
al fuel additives other than those tested
and approved by us for use on
Mercedes-Benz vehicles listed in the Fac-
tory Approved Service Products pamphlet
are not covered by the Mercedes-Benz
Limited Warranty.
Fuel requirements
Use only premium unleaded gasoline
meeting ASTM standard D 439:
The octane number (posted at the
p um p) mu st b e 9 1 m i n. It is a n ave ra ge
of both the Research (R) Octane Num-
ber and the Motor (M) Octane Number:
(R+M) / 2). This is also known as the
ANTI-KNOCK INDEX.
Unleaded gasoline containing oxygenates
such as ethanol, IPA, IBA and TBA can be
used provided the ratio of any one of these
oxygenates to gasoline does not exceed
10%; MTBE must not exceed 15%.
The ratio of methanol to gasoline must not
exceed 3% plus additional cosolvents.
Using mixtures of ethanol and methanol is
not allowed. Gasohol, which contains 10%
ethanol and 90% unleaded gasoline, can be
used.
These blends must also meet all other fuel
requirements, such as resistance to spark
knock, boiling range, vapor pressure, etc.
Coolants
The engine coolant is a mixture of water
and anticorrosion/antifreeze, which pro-
vides:
Corrosion protection
Freeze protection
Boiling protection (by increasing the
boiling point)
The cooling system was filled at the factory
with a coolant providing freeze protection
to approximately -22°F (-30°C) and corro-
sion protection.
If the antifreeze mixture is effective to
-22°F (-30°C), the boiling point of the cool-
ant in the pressurized cooling system is
reached at approximately 266°F (130°C).
The coolant solution must be used
year-round to provide the necessary corro-
sion protection and increase boil-over pro-
tection. Refer to Maintenance Booklet for
replacement interval.
Page 500 of 521

499 Index
Center console
Lower part 28
PASS AIR BAG OFF indicator
lamp 381
Upper part 27
Centigrate see Temperature display mode
Central locking
Automatic 127, 176
Locking/unlocking from inside 128
Central locking switch 128
Certification label 468
Checking
Oil level 316
Children in the vehicle 77
Air bags 68
Blocking of rear window operation 89
Indicator lamp, front passenger front
air bag
Infant and child restraint systems 78
LATCH-type child seat anchors 88
Occupant Classification System (OCS)
Cigarette lighter 278Climate control system
4-zone automatic climate
control 214
Air conditioning refrigerant 485
Air conditioning, Cooling 212, 227
Air distribution 208, 222
Air recirculation mode 210, 224
Air volume 209, 223
Automatic mode 206, 220
Control panel, Rear 213, 229
Deactivating system 206, 219
Dual-zone automatic climate
control 202
Front defroster 209, 223
Maximum cooling MAX COOL 224
Rear climate control 229
Residual engine heat (REST) 228
Clock 25, 170
Setting time 171
Cockpit 22, 491
Cockpit Management and Data System
see COMAND
Cold tire inflation pressure 350
Collapsible tire 478
Collapsible wheel chock 423
COMAND 492COMAND see separate COMAND operat-
ing instructions
Combination switch 54, 147
Control system 155, 492
Multifunction display 155
Multifunction steering wheel 156
Resetting to factory default 166
Control system menus 158, 159
AUDIO 161
Distronic* 163
NAV* 163
Settings 165
Standard display 161
TEL* 181
Trip computer 180
Vehicle status message memory 164
Control system submenus 157
Convenience 177
Instrument cluster 168
Lighting 172
Time/Date 170
Vehicle 176
Controller Area Network see CAN system
Convenience submenu
Setting parking position for exterior
rear view mirror 178