of the tire pressure display. The tire pressures
are already being monitored.
i If a spare wheel/emergency spare wheel
is mounted, the system may continue to
show the tire pressure of the wheel that has
been removed for a few minutes. If this
occurs, note that the value displayed for
the position where the spare wheel is
mounted is not the same as the spare
wheel/emergency spare wheel's current
tire pressure.
TPMS warning messages
If the tire pressure monitor detects a
significant pressure loss on one or more tires,
a warning message is shown in the
multifunction display. A warning tone also
sounds and the tire pressure warning lamp
lights up in the instrument cluster.
Each tire that is affected by a significant loss
of pressure is highlighted by a red rectangle.
If the Tire Pressure(s) Please Correct
[bar] message appears in the multifunction
display:
XCheck the tire pressure on all four wheels
and correct it if necessary.
i If the wheel positions on the vehicle are
interchanged, the tire pressures may be
displayed for the wrong positions for a
short time. This is rectified after a few
minutes of driving, and the tire pressures
are displayed for the correct positions.
Restarting the tire pressure monitor
GWarning
It is the driver's responsibility to set the tire
inflation pressure to the recommended cold
tire inflation pressure. Underinflated tires
affect the ability to steer or brake the vehicle.
You might lose control over the vehicle.
When you restart the tire pressure monitor,
all existing warning messages are deleted and
the warning lamps go out. The monitor uses
the currently set tire pressures as the
reference values for monitoring.
The TPMS must be restarted when you set the
tire pressure to a new value (as a result of
changed handling or load characteristics, for
example). The TPMS then monitors the new
tire pressure values.
Restart the tire pressure monitor after you
have set the tire pressure to the value
recommended for the desired driving
situation ( Y page 322). Only correct tire
pressures on cold tires. Comply with the
recommended tire pressures on the Tire and
Loading Information placard on the B-pillar on
the driver's side. Additional tire pressure
values for driving at high speeds or with heavy
loads can be found in the Tire Pressure table
on the inside of the fuel filler flap.XMake sure that the tire pressure is correct
on all four wheels.XMake sure that the SmartKey is in position
2 in the ignition lock.XPress and hold the V or U button on
the multifunction steering wheel until the
standard display appears in the
multifunction display ( Y page 202).XPress and hold the & or * button
until the tire pressure of each tire or the
tire pressure displayed after
driving for several minutes message
appears.XPress the reset button on the instrument
cluster ( Y page 28).
The Restart tire pressure monitor?
message appears in the multifunction
display.
If you wish to confirm the restart:
XPress the W button.
The tire pressure monitor
restarted message appears in the
multifunction display.
After driving for a few minutes, the system
checks whether the current tire pressures
are within the specified range. The new tireTire pressures329Tires and wheelsBA 251 USA, CA Edition A 2011; 1; 3, en-USd2sboikeVersion: 3.0.3.52010-04-16T14:31:55+02:00 - Seite 329Z
! Only use AdBlue ®
that complies with
ISO 22241. Do not add any special
additives to AdBlue ®
and do not thin
AdBlue ®
with water. This could destroy the
BlueTEC exhaust gas aftertreatment.
! Rinse surfaces that have come into
contact with AdBlue ®
immediately with
water or remove AdBlue ®
using a damp
cloth and cold water. If the AdBlue ®
has
already crystallized, use a sponge and cold
water to clean it. AdBlue ®
residues
crystallize after time and contaminate the
affected surfaces.
High outside temperatures
If AdBlue ®
is heated to above 122 ‡ (50 †)
for an extended period of time, e.g. due to
direct sunlight on the AdBlue ®
tank,
AdBlue ®
may start to decompose. Ammonia
vapors develop as a result.
GWarning!
When opening the filler cap of the AdBlue ®
tank ammonia gas vapors may escape. Refill
AdBlue ®
in a well ventilated area only.
Ammonia gas vapors have a pungent odor and
are particularly irritating for your skin,
mucous membranes, and eyes. Inhaling
ammonia gas vapors will cause burning eyes,
nose, and throat, as well as coughing and
watering eyes.
Low outside temperatures
AdBlue ®
freezes at a temperature of
approximately 12 ‡ (-11 †). The vehicle is
equipped with an AdBlue ®
preheating system
at the factory. Winter operation can thus be
guaranteed even at temperatures below
12 ‡ (-11 †).
Additives
! Use only AdBlue ®
complying with ISO
22241. Do not use any additives with
AdBlue ®
and do not thin AdBlue ®
with
water. This may destroy the BlueTEC
exhaust gas aftertreatment system.
Damage resulting from the use of additives
or water is not covered by the Mercedes-
Benz Limited Warranty.
Purity
Assuring the purity of AdBlue ®
is particularly
important with respect to avoiding
malfunctions in the exhaust gas
aftertreatment system.
If AdBlue ®
is pumped out of the AdBlue ®
tank,
e.g. during repair work, it must not be
returned to the tank. The purity of the fluid
can no longer be guaranteed.
! Impurities in AdBlue ®
, e.g. due to other
service products, cleaning agents or dust,
lead to increased emission values, system
malfunctions, catalytic converter damage
or damage to the BlueTEC system.
Engine oil
Points to remember
The engine oils are matched to the
performance of our engines and service
intervals. For this reason, only use engine oils
and oil filters that are approved for vehicles
with a service system.
Contact an authorized Mercedes-Benz Center
or visit http://www.mbusa.com (USA only)
for a list of approved engine oils and oil filters.
! Never use engine oil or an oil filter of a
specification other than is necessary to
fulfill the prescribed service intervals. Do
not change the engine oil or oil filter in
order to achieve longer replacement
intervals than those prescribed. Otherwise,
you may cause damage to the engine or
exhaust gas aftertreatment; this is not
covered by the Mercedes-Benz Limited
Warranty.
Follow the instructions in the service
interval display regarding the oil change.
354Service products and capacitiesTechnical data
BA 251 USA, CA Edition A 2011; 1; 3, en-USd2sboikeVersion: 3.0.3.52010-04-16T14:31:55+02:00 - Seite 354
