Seat heating
The red indicator lamps in seat heating
switch : come on to show which heating
level you have selected.
The seat heating switches from level 3 (high)
to level 2 after approximately 5 minutes.
The seat heating switches from level 2 to level
1 (low) after approximately 10 minutes.
After approximately 20 minutes in level 1, the
seat heating switches off automatically.
XSwitch on the ignition.XSwitching on: Press seat heating
switch :.
Three red indicator lamps in seat heating
switch : come on.
XPress seat heating switch : repeatedly
until the desired seat heating level is set.
If there is insufficient voltage the seat heating
switches off automatically.
The seat heating will switch back on again
automatically as soon as sufficient voltage is
available.
Multifunction steering wheel
Safety notes
GWarning!
Do not adjust the steering wheel while driving.
Adjusting the steering wheel while driving
could cause the driver to lose control of the
vehicle.
The electrical steering wheel adjustment
feature can be operated at any time.
Therefore, do not leave children unattended
in the vehicle, or with access to an unlocked
vehicle. A child's unsupervised access to a
vehicle could result in an accident and/or
serious personal injury.
Make sure
Ryou can reach the steering wheel with your
arms slightly bent at the elbows
Ryou can move your legs freely
Rall displays (including malfunction and
indicator lamps) on the instrument cluster
are clearly visible
Steering wheel adjustment
XAdjusting steering wheel in or out: Move
stalk in direction of arrows :.
XAdjusting steering wheel up or down:
Move stalk in direction of arrows ;.
iThe memory function (Y page 249) lets
you store the settings for the steering
wheel together with the settings for the
seat position and the exterior rear view
mirrors.
Easy-entry/exit feature
This feature allows the driver an easier entry
into and exit from the vehicle. When entering
and exiting the vehicle, the steering wheel is
in its uppermost position.
Multifunction steering wheel245Controls in detailBA 197 USA, CA Edition A 2011; 1; 27, en-UShereepeVersion: 3.0.3.52010-03-24T15:31:10+01:00 - Seite 245Z
If the extent of the damage cannot be
determined:
XContact an authorized Mercedes-Benz
Center or call Roadside Assistance.
If no damage on major assemblies, fuel
system, and engine mount can be
determined:
XStart the engine in the usual manner.
Parking
GWarning!
Do not park in areas where the hot exhaust
system could come into contact with
combustible materials. Combustible
materials such as grass, hay or leaves could
be ignited and cause a vehicle fire.
Unintended vehicle movement could cause
serious personal injury or damage to the
vehicle or the vehicle drivetrain. To reduce
such risks, always do the following before
turning off the engine and leaving the vehicle:
RKeep right foot on the brake pedal.
REngage the electronic parking brake.
RShift the transmission into park position P.
RSlowly release the brake pedal.
RWhen parked on an incline, always turn the
front wheels towards the road curb.
RPress the KEYLESS-GO start/stop button,
or turn the SmartKey in the starter switch
to position 0 and remove the SmartKey
from the starter switch.
RTake the SmartKey with you and lock the
vehicle when leaving.
Electronic parking brake
GWarning!
When leaving the vehicle, always remove the
SmartKey from the starter switch, take it with
you, and lock the vehicle. Do not leave
children unattended in the vehicle, or with
access to an unlocked vehicle. Children could
release the electronic parking brake and/or
shift the transmission out of park position P,
either of which could result in an accident
and/or serious personal injury.
Engaging electronic parking brake
XPress handle :.
The red indicator lamp F (USA only)
or ! (Canada only) in the instrument
cluster comes on.
iYou can engage the electronic parking
brake even when the SmartKey is removed
from the starter switch.
Releasing electronic parking brake
manually
XSwitch on the ignition.XPull handle :.
The red indicator lamp F (USA only)
or ! (Canada only) in the instrument
cluster goes out.
Releasing electronic parking brake
automatically
The electronic parking brake releases
automatically when all of the following
conditions are fulfilled:
RThe engine is running.
RThe transmission is in drive position D or
reverse gear R. With the transmission in
reverse gear R the trunk lid must be closed.
RThe hood is closed.
RYou have fastened your seat belt.
RYou depress on the accelerator pedal.
Driving and parking261Controls in detailBA 197 USA, CA Edition A 2011; 1; 27, en-UShereepeVersion: 3.0.3.52010-03-24T15:31:10+01:00 - Seite 261Z
Text messages
Safety systemsDisplay messagesPossible causes/consequences and M SolutionsFront Passenger
Airbag Enabled See
Operator's ManualThe passenger front air bag and the passenger-side knee bag are
activated while driving even though a child, small individual, or
object below the system’s weight threshold is on the passenger
seat, or the passenger seat is empty. Objects on the seat or forces
acting on the seat may make the system sense supplemental
weight. XStop the vehicle in a safe location as soon as possible.XEngage the electronic parking brake.XSwitch off the ignition.XOpen the passenger door.XRemove child and child restraint from passenger seat.XMake sure no objects which apply supplemental weight to the
seat are present. The system may recognize such supplemental
weight and sense that an occupant on the passenger seat is of
a greater weight than actually present.XKeep the seat unoccupied, close the passenger door and switch
on the ignition.
Monitor the 4 5 indicator lamp in the center console
( Y page 38) and the multifunction display in the instrument cluster
( Y page 273) for the following:
With the seat unoccupied and the ignition switched on,
R the 4 5 indicator lamp in the center console should
illuminate and remain illuminated, indicating that the OCS
( Y page 49) has deactivated the passenger front air bag.
R the message Front Passenger Airbag Enabled See
Operator's Manual or the message Front Passenger
Airbag Disabled See Operator's Manual should not
appear in the multifunction display at any time the seat is
unoccupied. Wait at least 60 seconds for the system to
complete the necessary check cycles and to make sure neither
message appears in the multifunction display.
If above conditions are met, you can occupy the passenger seat
again. Depending on the passenger classification sensed by the
OCS, the 4 5 indicator lamp will remain illuminated or go
out.
If above conditions are not met, the system is not working
properly. Have the system checked at an authorized Mercedes-
Benz Center as soon as possible.
Vehicle status messages in the multifunction display365Practical hintsBA 197 USA, CA Edition A 2011; 1; 27, en-UShereepeVersion: 3.0.3.52010-03-24T15:31:10+01:00 - Seite 365Z
GWarning!
If the 4 5 indicator lamp remains out even after performing the above corrective steps,
do not have any children 12 years old and under and other small individuals use the passenger
seat until the system has been repaired.
Display messagesPossible causes/consequences and M SolutionsFront Passenger
Airbag Disabled
See Operator's
ManualThe passenger front air bag and the passenger-side knee bag are
deactivated while driving even though an adult or someone larger
than a small individual is occupying the passenger seat. Forces
acting on the seat may make the system sense a decrease in
weight.XStop the vehicle in a safe location as soon as possible.XEngage the electronic parking brake.XSwitch off the ignition.XHave the passenger vacate the seat and exit the vehicle.XKeep the seat unoccupied, close the passenger door and switch
on the ignition.
Monitor the 4 5 indicator lamp in the center console
( Y page 38) and the multifunction display in the instrument cluster
( Y page 273) for the following:
With the seat unoccupied and the ignition switched on,
R the 4 5 indicator lamp in the center console should
illuminate and remain illuminated, indicating that the OCS
( Y page 49) has deactivated the passenger front air bag.
R the message Front Passenger Airbag Enabled See
Operator's Manual or the message Front Passenger
Airbag Disabled See Operator's Manual should not
appear in the multifunction display at any time the seat is
unoccupied. Wait at least 60 seconds for the system to
complete the necessary check cycles and to make sure neither
message appears in the multifunction display.
If above conditions are met, you can occupy the passenger seat
again. Depending on the passenger classification sensed by the
OCS, the 4 5 indicator lamp will remain illuminated or go
out.
If above conditions are not met, the system is not working
properly. Have the system checked at an authorized Mercedes-
Benz Center as soon as possible.
GWarning!
If the 4 5 indicator lamp remains illuminated with an adult occupant on the passenger
seat even after performing the above corrective steps, do not have any passenger use the
passenger seat until the system has been repaired.
366Vehicle status messages in the multifunction displayPractical hints
BA 197 USA, CA Edition A 2011; 1; 27, en-UShereepeVersion: 3.0.3.52010-03-24T15:31:10+01:00 - Seite 366
GWarning!
If the 4 5 indicator lamp illuminates and remains illuminated with the weight of a typical
adult or someone larger than a small individual on the passenger seat, do not have any passenger
use the passenger seat until the system has been repaired.
ProblemPossible causes/consequences and M Solutions4 5
The passenger front air
bag off indicator lamp
does not illuminate
and/or does not
remain illuminated with
the weight of a typical
12-month-old child in a
standard child restraint
or less on the
passenger seat.The system is malfunctioning.XMake sure there is nothing between seat cushion and child seat
and check installation of the child seat.XMake sure no objects applying supplemental weight onto the
seat are present.XIf the passenger front air bag off indicator lamp remains out,
have the system checked as soon as possible at an authorized
Mercedes-Benz Center. Do not transport a child on the
passenger seat until the system has been repaired.XRead and observe messages in the multifunction display and
follow corrective steps ( Y page 364).GWarning!
If the 4 5 indicator lamp does not illuminate or remains out with the weight of a typical
12-month-old child in a standard child restraint or less on the passenger seat, do not transport
a child on the passenger seat until the system has been repaired.
Unlocking/locking manually
Mechanical key
If you cannot lock or unlock the vehicle with
the SmartKey, use the mechanical key.
The anti-theft alarm system will be triggered
when you
R unlock the driver’s door with the
mechanical key
and
R open the driver’s door
To cancel the alarm, see “Canceling the
alarm” ( Y page 67).
Removing the mechanical key XMove locking tab : in the direction of the
arrow.XSlide mechanical key ; out of the housing.Unlocking/locking manually397Practical hintsBA 197 USA, CA Edition A 2011; 1; 27, en-UShereepeVersion: 3.0.3.52010-03-24T15:31:10+01:00 - Seite 397Z