Fuel quality
Fuels that are marked on the gas pump as containing metal must not be used.
Refuel only with unleaded
gasoline without
metallic additives.
Do not refuel with any leaded gasoline or gasoline with metallic additives, e. g. manganese or iron, or permanent damage to the catalytic converter and other components.
Do not refuel with ethanol
Do not refuel with E85, i.e., fuel with an ethanol content of 85 %, or with Flex Fuel, as this would damage the engine and fuel supply system.
Required fuel
Gasoline with lower AKI
The minimum AKI Rating is 89.
If you use gasoline with this minimum AKI Rating, the engine may produce knocking sounds when starting at high outside temperatures.
This has no effect on the engine life.
Minimum fuel grade
Do not use any gasoline below the minimum specified fuel grade; otherwise, engine damage may occur.
Use high-quality brands
Field experience has indicated significant differences in fuel quality: volatility, composition, additives, etc., among gasolines offered for sale in the United States and Canada.
Fuels containing 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.
Minimum fuel grade
The use of poor-quality fuels may result in driveability, starting and stalling problems especially under certain environmental conditions such as high ambient temperature and high altitude.
Should you encounter driveability 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 result in unscheduled maintenance.

See also:
Mobility
To ensure that you remain mobile at all times, this
chapter supplies you with important information
on the topics of fuels and lubricants, wheels and
tires, service, maintenance, and Roadside
...
Steptronic
In addition to fully automatic operation, you can also manually shift with the
Steptronic.
Vehicle parking To prevent the vehicle from rolling, always
select position P and apply the parking brak ...
Possible commands
Having possible commands read aloud
Briefly
press the button on the steering
wheel. ›Help‹.
Possible commands are announced.
The digits from zero to nine are recognized. The
digits can ...
