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cluster displayPractical hints Car care Index Lumbar support (optional)
The thumbwheels are located on the sides of the front
seats and rear seats.
The seats have an inf latable air cushion built into the
backrest to provide additional lumbar support.
Turn the electronic key in starter switch to position 2.
The inflation pressure of the air cushion can be
continuously varied between position “0” (no pressure)
and position “5” (maximum pressure) by changing the
pressure regulator (1) setting.Multicontour backrest (optional)
Front seats:
The switch clusters are located on the side and near the
front of the front seats.
1Lumbar region
2Center section
3Backrest side cushions
4Massage function (PULSE)
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74 Seats
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Rear seats:
The switch clusters are located on the sides of the seat.
Some models may be equipped with multicontour seats.
These seats have inflatable air cushions built into the
backrests to provide additional lumbar and side support.
Turn the electronic key in starter switch to position 2 to
operate.We recommend that you make the basic settings in the
follow ing orde r:
1Lu mb a r region
2Center section
(front seats only)
Switches 1 and 2:
Press top of switch and hold; the individual air
cushions will be inflated one after the other. Release
the switch in the desired position.
Press bottom of switch and hold; the individual air
cushions will be deflated one after the other.
Release the switch in the desired position.
3Backrest side cushions
The lateral support increases or decreases as you
press the button to the right or left. Adjust the side
cushions to provide good lateral support.
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75 Seats
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cluster displayPractical hints Car care Index 4Massage function(PULSE)
The multicontour backrest is equipped with a
massage function to help prevent fatigue during
longer journeys.
The PULSE function inflates and deflates the air
cushions in the backrest rhythmically.
An indicator lamp on the switch lights up when the
PULSE function is switched on. The PULSE function
switches off automatically after approximately
5minutes.
Note:
If the top cushion is inflated, only the middle air
cushion is inflated and deflated.Seat heater
The seat heaters can be switched on with the electronic
key in starter switch positions 1 or 2.
The buttons are located on each door.
Note:
When in operation, the seat heater consumes a large
amount of electrical power. It is not advisable to use the
seat heater longer than necessary.
The seat heaters may automatically switch off if too
many power consumers are switched on at the same
time or if the battery charge is low. In this case, one or
both indicator lamps will blink.
The seat heaters switch back on again automatically as
soon as sufficient voltage is available.
If the blinking of the indicator lamps is distracting to
you, the seat heaters can be switched off.
Page 79 of 421
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Vehicles without seat ventilation function:
Normal heating mode.
Press button (1):
One indicator lamp in the switch lights up.
The seat heater will be automatically switched off after
approximately 30 minutes.
Rapid heating mode.
Press button (2):
Both indicator lamps in t he switch light up.
The system switches over to normal heating mode
automatically after approximately 5 minutes.
Turning off the heater.
Press button (1) or (2) again:
The indicator lamps go out. The seat heater is switched
off.
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77 Seats
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care IndexVehicles with seat ventilation function:
Rapid heating mode
Press button (3) once.
Both indicator lamps above the button light up.
The system switches over to normal heating mode
automatically after approximately 5 minutes.
Normal heating mode
Press button (3) twice:
One indicator lamp above the button lights up.
The seat heater will be automatically switched off after
approximately 30 minutes.
Turning off the heater.
Press the button again:
The indicator lamps go out. The seat heater is switched
off.
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78 Seats
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Seat ventilation system
The buttons are located on each door.
Seat ventilation can be activated manually with the
electronic key in starter switch positions 1 or 2, or by
the summer opening function, see page 45.
Notes:
When in operation, the seat ventilation system
consumes a large amount of electrical power. It is not
advisable to use the seat ventilator longer than
necessary.The seat ventilators may automatically switch off if too
many power consumers are switched on at the same
time or if the battery charge is low. In this case, one or
more indicator lamps will blink.
The seat ventilation switch back on again automatically
as soon as sufficient voltage is available.
If the blinking of the indicator lamps is distracting to
you, the seat ventilators can be switched off.
The maximum ventilation level (level 3) is automatically
selected if the driver’s seat ventilation is activated by
the summer opening function, see page 45.
Page 82 of 421
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cluster displayPractical hints Car care Index Manual activation:
Turn the electronic key in starter switch to position 1
or 2.
Level 3 ventilation setting (maximum).
Press button (1):
Three blue indicator lamps above the button light up.
The level of ventilation is decreased one step
approximately every 10 minutes.Level 2 ventilation setting (middle).
Press button (1) again:
Two blue indicator lamps above the button light up.
Level 1 ventilation setting (minimum).
Press button (1) again:
One blue indicator lamp above the button lights up.
Turning off the seat ventilation.
Press button (1) again:
The indicator lamps go out. Seat ventilation is switched
off.
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cluster displayPractical hints Car care Index
Rear seat head restraints
The switch is located on the center console.
Turn the electronic key in starter switch to position 1
or 2.
Folding head restraints back:
Press the symbol-side on the rocker switch to release
the head restraints. The head restraints will fold
backward for increased visibility.Placing head restraints upright:
Pull the head restraint forward until it locks into
position.
Angle of head restraints:
The head restraint angle can be adjusted manually.
Important!
For safety reasons, always drive with the rear head
restraints in the upright position when the rear seats
are occupied.
Keep the area around head restraints clear of articles
(e.g. clothing) to not obstruct the folding operation of
the head restraints.