Page 77 of 290

Correct driver's seat position
GWARNING
You could lose control of your vehicle if you do the following while driving:
Radjust the driver's seat, head restraint,
steering wheel or mirrors
Rfasten the seat belt
There is a risk of an accident.
Adjust the driver's seat, head restraint, steer-
ing wheel and mirror and fasten your seat belt before starting the engine.
Observe the following when adjusting steering
wheel :, seat belt ;and driver's seat =:
Ryou are as far away from the driver's air bag as
possible.
Ryou are sitting in a normal upright position.
Ryour thighs are slightly supported by the seat
cushion.
Ryour legs are not entirely stretched and you
can depress the pedals properly.
Rthe back of your head is supported at eye level
by the center of the head restraint.
Ryou can hold the steering wheel with your
arms slightly bent.
Ryou can move your legs freely.
Ryou can see all the displays in the instrument
cluster clearly.
Ryou should have a good overview of traffic
conditions.
Rthe seat belt is pulled snugly against the bodyand is routed across the center of your shoul-
der and across your hips in the pelvic area.
Further related subjects:
RManual seat adjustment (Ypage 76)
RElectrical seat adjustment (Ypage 77)
RFastening the seat belt correctly (Ypage 39).
RAdjusting the rear-view mirror and exterior
mirrors (Ypage 82).
RStoring the seat, steering wheel and exterior
mirror settings using the memory function
(
Ypage 84).
Seats
Important safety notes
GWARNING
Children could become trapped if they adjust
the seats, particularly when unattended.
There is a risk of injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children unsupervised in the vehicle.
The seats can still be adjusted when there is no
SmartKey in the ignition lock.
GWARNING
When you adjust a seat, you or other vehicle
occupants could become trapped, e.g. on the seat guide rail. There is a risk of injury.
Make sure when adjusting a seat that no one
has any body parts in the sweep of the seat.
Observe the safety notes on "Air bags"
(
Ypage 40) and "Children in the Vehicle"
(Ypage 49).
Seats75
Seats, steering wheel and mirrors
Z
Page 82 of 290

Problems with the seat heating
ProblemPossible causes/consequences andMSolutions
The seat heating has
switched off prematurely
or cannot be switched
on.The on-board voltage is too low because too many electrical consum-
ers are switched on.
XSwitch off electrical consumers that you do not need, such as the
rear window defroster or interior lighting.
Once the battery is sufficiently charged, the seat heating can be
switched back on manually.
Steering wheel
Important safety notes
GWARNING
You could lose control of your vehicle if you do the following while driving:
Radjust the driver's seat, head restraint,
steering wheel or mirrors
Rfasten the seat belt
There is a risk of an accident.
Adjust the driver's seat, head restraint, steer-
ing wheel and mirror and fasten your seat belt before starting the engine.
GWARNING
If the steering wheel is unlocked while the
vehicle is in motion, it could change position
unexpectedly. This could cause you to lose
control of the vehicle. There is a risk of an
accident.
Before starting off, make sure the steering
wheel is locked. Never unlock the steering
wheel while the vehicle is in motion.
GWARNING
Children could injure themselves if they
adjust the steering wheel. There is a risk of
injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never
leave children unsupervised in the vehicle.
The electrically adjustable steering wheel can
still be adjusted when there is no SmartKey in
the ignition lock.
Adjusting the steering wheel
:Adjusts the steering wheel position (fore-
and-aft adjustment)
;Adjusts the steering wheel height
iFurther related subjects:
REASY-ENTRY/EXIT feature (Ypage 80)
RStoring settings (Ypage 84)
EASY-ENTRY/EXIT feature
Important safety notes
GWARNING
When the EASY-ENTRY/EXIT feature adjusts
the steering wheel, you and other vehicle
occupants – particularly children – could
become trapped. There is a risk of injury.
While the EASY-ENTRY/EXIT feature is mak-
ing adjustments, make sure that no one has
any body parts in the sweep of the steering
wheel.
Move the steering wheel adjustment lever if
there is a risk of entrapment by the steering
wheel. The adjustment process is stopped.
80Steering wheel
Seats, steering wheel and mirrors
Page 225 of 290

Problems with the rear spoiler
ProblemPossible causes/consequences andMSolutions
The rear spoiler stops
before reaching the end
position when retracting
manually.You have opened the tailgate while manually retracting the rear
spoiler.
XClose the tailgate.
The rear spoiler extends or, if you press and hold the ¬button,
continues retracting.
The rear spoiler stops
before reaching the end
position when retract-
ing/extending manually.You have switched off the ignition.
XSwitch the ignition back on.
XPress the ¬button.
The rear spoiler extends/retracts.
The rear spoiler cannot
be retracted again after
manually extending it.You have opened the tailgate while manually extending the rear
spoiler.
XClose the tailgate.
The rear spoiler does not
extend or retract auto-
matically.The rear spoiler's movement is blocked, e.g. by an object jammed
between the body and the rear spoiler.
XRemove the object.
Garage door opener
General notes
The HomeLink®garage door opener integrated
in the rear-view mirror allows you to operate up
to three different door and gate systems.
Use the integrated garage door opener only on
garage doors that:
Rhave safety stop and reverse features and
Rmeet current U.S. federal safety standards
Once programed, the integrated garage door
opener in the rear-view mirror will assume the
function of the garage door system's remote
control. Please also read the operating instruc-
tions for the garage door system.
When programming a garage door opener, park
the vehicle outside the garage. Do not run the
engine while programming.
Certain garage door drives are incompatible
with the integrated garage door opener. If you
have difficulty programing the integrated garage door opener, contact an authorized Mercedes-
Benz Center. Alternatively, you can call the following tele-
phone assistance services:
RUSA:
Mercedes-Benz Customer Assistance
Center at 1-800-FOR-MERCedes
RCanada: Customer Service at
1-800-387-0100
RHomeLink®hotline 1-800-355-3515 (free of
charge)
More information on HomeLink
®and/or com-
patible products is also available online at
http://www.homelink.com.
Notes on the declaration of conformity
(
Ypage 24).
USA: FCC ID: CB2HMIHL4
Canada: IC: 279B-HMIHL4
Important safety notes
GWARNING
When you operate or program the garage door
with the integrated garage door opener, per-
sons in the range of movement of the garage
door can become trapped or struck by the
garage door. There is a risk of injury.
When using the integrated garage door
opener, always make sure that nobody is
Features223
Stowage and features
Z