Mobility
233Reference
At a glance
Controls
Driving tips
Communications
Navigation
Entertainment
Refuel as soon as possible once your
cruising range falls below 30 miles/
50 km, otherwise engine functions are not
ensured and damage can occur.<
Fuel specifications
Do not use leaded gasoline, otherwise
damage to the catalytic converter will
result.
Do not use E85, i.e. fuel that consists of 85 %
ethanol, or Flex Fuel, otherwise permanent
damage to the engine and the fuel supply sys-
tem will result.<
Required fuel
Super Premium Gasoline/AKI 91
This gasoline is highly recommended.
However, you may also use gasoline with less
AKI. The minimum AKI Rating is 87.
If you use gasoline with this minimum AKI Rat-
ing, the engine may produce knocking sounds
when starting at high outside temperatures.
This has no affect on the engine life.
Do not use gasoline below the specified
minimum quality, otherwise engine dam-
age can result.<
Use high-quality brands
Field experience has indicated significant dif-
ferences in fuel quality: volatility, composition,
additives, etc., among gasolines offered for sale
in the United States and Canada. Fuels contain-
ing up to and including 10 % ethanol or other
oxygenates with up to 2.8 % oxygen by weight,
that is, 15 % MTBE or 3 % methanol plus an
equivalent amount of co-solvent, will not void
the applicable warranties with respect to
defects in materials or workmanship.The use of poor-quality fuels may result in
drivability, starting and stalling problems
especially under certain environmental condi-
tions such as high ambient temperature and
high altitude.
Should you encounter drivability problems
which you suspect could be related to the fuel
you are using, we recommend that you respond
by switching to a recognized high-quality brand
such as gasoline that is advertised as Top Tier
Detergent Gasoline.
Failure to comply with these recommendations
may also result in unscheduled maintenance.<
Reference 277
At a glance
Controls
Driving tips
Communications
Navigation
Entertainment
Mobility
G
Garage door opener, refer to
Integrated universal remote
control115
Gasoline, refer to Required
fuel233
Gasoline display, refer to Fuel
gauge72
Gear changes, automatic
transmission with
Steptronic65
General driving
notes128,129
Glass sunroof, electric
– convenient operation from
outside32
– convenient operation with
comfort access37
– remote control30
Glove compartment118
– lighting118
– opening manually118
GPS navigation, refer to
Navigation system136
Grills, refer to Ventilation110
Grills of the automatic climate
control106
Gross vehicle weight, refer to
Weights264
H
Handbrake, refer to Parking
brake60
– Automatic Hold61
Hands-free system, refer to
Microphone14
Hazard warning flashers15
HDC Hill Descent Control90
"HD radio"169
HD radio, refer to High
Definition Radio169
Head airbags97
Headlamp control,
automatic102
Headlamp flasher66Headlamps102
– care, refer to Caring for your
vehicle brochure
– cleaning, refer to Washer/
wiper system67
– replacing bulbs247
Head Light, refer to Adaptive
Head Light104
Head restraints46
– sitting safely42
"Head-Up Display"100
Head-Up Display99
Heated
– mirrors52
– rear window108
– seats50
– steering wheel53
Heating106
– exterior mirrors52
– interior106
– rear window108
– residual heat110
– seats50
– steering wheel53
Heating with engine switched
off, refer to Residual
heat110
Heavy cargo, refer to Securing
cargo132
Height, refer to
Dimensions263
Height adjustment
– seats43
– steering wheel52
High beams66,104
– headlamp flasher66
– indicator lamp13
High Definition Radio169
Highs, refer to Treble and
bass163
High water, refer to Driving
through water129
Highway, refer to Route
criteria148
Hill Descent Control HDC90
Hills130
Holder for cups120Home address148
"Home address" for
navigation system148
Homepage4
Hood241
Horn10
Hot exhaust system129
"Hour memo"82
"House number" for
destination entry141
Hydraulic brake assistant,
refer to Brake assistant89
Hydroplaning129
I
IBOC, refer to High Definition
Radio169
Ice, refer to Outside
temperature warning71
Ice warning, refer to Outside
temperature warning71
ID3 tag, refer to Information on
track177
Identification, tire240
Identification mark, run-flat
tires239
iDrive16
– assistance window20
– changing language83
– changing menu page19
– changing settings81
– changing units of measure
and display type82
– confirming selection or
entry19
– controller16
– controls16
– displays, menus17
– selecting menu item19
– setting brightness82
– setting date82
– setting time81
– start menu17
– status information20
– symbols18
