MERCEDES-BENZ SL55AMG 2003 R230 Owner's Manual

181 Controls in detail
Driving systems
The most likely cause for a malfunctioning
system is a dirty sensor (located behind
the hood grill), especially at times of snow
and ice or heavy rain. In such a case, Dis-
tronic will switch off, and the message DISTRONIC - CLEAR SENSOR!
appears in
the multifunction display.
For cleaning and care of the Distronic sen-
sor, see “Cleaning the Distronic* system
sensor cover” (
page 246).Turns and bends
In turns or bends, Distronic may not detect
a moving vehicle in front, or it may detect
one too soon. This may cause your vehicle
to brake late or unexpectedly.
Warning!
G
Distronic works to maintain the speed se-
lected by the driver unless a moving obsta-
cle proceeding directly ahead of it in the
same travel direction is detected (e.g. fol-
lowing another vehicle ahead of you at a dis-
tance set by Distronic). This means that:

Your vehicle can pass another vehicle
after you change lanes.


While in a sharp turn or if the vehicle in
front is in a sharp turn, Distronic could
lose sight of a vehicle traveling in front
of it. Your vehicle could then accelerate
to the previously selected speed.
Distronic regulates only the distance be-
tween your vehicle and those directly ahead
of it, but does not register stationary objects
in the road, e.g.:


a stopped vehicle in a traffic jam


a disabled vehicle


an oncoming vehicle
The driver must always be on the alert, ob-
serve all traffic and intercede as required by
steering or braking the vehicle.Warning!
G
Distronic should not be used in snowy or icy
road conditions.

182 Controls in detailDriving systemsOffset driving
A vehicle traveling in your lane but offset
from your direct line of travel may not be
detected by Distronic. There will be insuffi-
cient distance to the vehicle ahead.Lane changing
Distronic has not yet detected the vehicle
changing lanes. There will be insufficient
distance to the vehicle ahead.Narrow vehicles
Because of its narrow profile, the vehicle
traveling near the edge of the roadway has
not yet been detected by Distronic. There
will be insufficient distance to the vehicle
ahead.

183 Controls in detail
Driving systems
Active Body Control (ABC)
The ABC system automatically selects the
optimum suspension tuning and ride
height for your vehicle.
Suspension tuning
The suspension tuning is set according to:

Your driving style


Road surface conditions


The vehicle loading


Your choice of suspension style,
“sporty” or “regular”, which you select
using the ABC switch.
The selected suspension style is stored
in memory, even after the key is re-
moved from the starter switch.The ABC switch with the indicator lamp is
located in the lower section of the center
console.
1ABC switch
2Indicator lamp

Start the engine.Suspension for sporty driving style
The setting for sporty driving is selected
when the indicator lamp2 is illuminated.

Press switch1.
The indicator lamp2 comes on.
Suspension for regular driving style
The setting for regular driving is selected
when the indicator lamp2 is off.

Press switch1.
The indicator lamp2 goes out.

184 Controls in detailDriving systemsVehicle level control
Your vehicle automatically adjusts its ride
height to:

reduce fuel consumption


increase vehicle safety
The vehicle chassis ride height is raised or
lowered according to the selected level
setting and to the vehicle speed:


With increasing speed, ride height is re-
duced by up to approximately one inch
(25 mm).


With decreasing speed, the ride height
is again raised to the selected vehicle
level.Select the level 1 and 2 settings only when
required by current driving conditions.
Otherwise:


Fuel consumption may increase.


Handling may be impaired.iThese height adjustments are so small
that you may not notice any change.
Warning!
G
To help avoid personal injury, keep hands
and feet away from wheel housing area, and
stay away from under the vehicle when low-
ering the vehicle chassis.

185 Controls in detail
Driving systems
The following vehicle level settings can be
selected when the vehicle is stationary:
The switch and the indicator lamps are lo-
cated in the lower section of the center
console.
Briefly press switch3 to change from
one level setting to the next.
At level 1, indicator lamp2 is illuminat-
ed and at level 2 both indicator lamps
are illuminated. When the vehicle is at
level 2, pressing the switch will return
the vehicle to normal level.
1Indicator lamp 1
2Indicator lamp 2
3Vehicle level control switch
Vehicle level when
stationary
Use for
Height increase over
normal
Automatic lowering
Indicator lamps
(page 185)
Normal
Normal operation
None
Max. approx. 0.5 in (12 mm)
Both lamps off
Level 1
Driving with snow chains
(page 240)
Max. 0.6 in (15 mm)
1
Max. approx. 0.6 in (15 mm)
One lamp on
Level 2
Very rough road surface
conditions
Max. 1.0 in (25 mm)
1
Max. approx. 1.0 in (25 mm)
Both lamps on
1Dependent on loading
iPressing the switch twice in quick suc-
cession will cause the vehicle to imme-
diately raise or lower to the new vehicle
level as selected.
The selected vehicle level setting re-
mains stored in memory even if the en-
gine is turned off and restarted.

186 Controls in detailDriving systemsParktronic system*
The Parktronic system is an electronic aid
designed to assist the driver during park-
ing maneuvers. It visually and audibly indi-
cates the relative distance between the
vehicle and an obstacle.
The Parktronic system is automatically ac-
tivated when you switch on the ignition
and release the parking brake. The Park-
tronic system deactivates at speeds over
11 mph (18 km/h). At lower speeds the
Parktronic system turns on again.The Parktronic system monitors the sur-
roundings of your vehicle with six sensors
in the front bumper and four sensors in the
rear bumper.
1Sensors in the front bumperWarning!
G
Parktronic is a supplemental system. It is
not intended to, nor does it replace, the
need for extreme care. The responsibility
during parking and other critical maneuvers
always rests with the driver.
Special attention must be paid to objects
with smooth surfaces or low silhouettes
(e.g. trailer couplings, painted posts, or road
curbs). Such objects may not be detected by
the system and can damage the vehicle.
The operational function of the Parktronic
can be affected by dirty sensors, especially
at times of snow and ice. See Cleaning the
Parktronic system sensors (
page 246).
Interference caused by other ultrasonic sig-
nals (e.g. working jackhammers or the air
brakes of trucks) can cause the system to
send erratic indications, and should be tak-
en into consideration.
Warning!
G
Make sure that no persons or animals are in
the area in which you are maneuvering. Oth-
erwise you run the risk of causing injury.

187 Controls in detail
Driving systems
Range of the sensors
To function properly, the sensors must be
free of dirt, ice snow and slush. Clean the
sensors regularly, being careful not to
scratch or damage the sensors.
Front sensorsRear sensors Minimum distance
If you encounter an obstacle in this range,
all the warning lamps light up and you hear
a warning signal. If the obstacle is closer
than the minimum distance, the actual dis-
tance may no longer be indicated by the
system.
Warning indicators
Visual signals indicate to the driver the rel-
ative distance between the sensors and an
obstacle. The warning indicator for the
front area is located above the center air
vents in the dashboard. The warning indi-
cator for the rear area is integrated in the
rear trim.Center
approx. 40 in (100 cm)
Corners
approx. 48 in (120 cm)
Center
approx. 48 in (120 cm)
Corners
approx. 32 in (80 cm)
!During parking maneuvers, pay special
attention to objects located above or
below the height of the sensors (e.g.
planters or trailer hitches). The Park-
tronic system will not detect such ob-
jects at close range and damage to
your vehicle or the object may result.
Ultrasonic signals from outside sourc-
es (e.g. truck air brakes or jackham-
mers) may impair the operation of the
Parktronic system.
Center
approx. 8 in (20 cm)
Corners
approx. 6 in (15 cm)

188 Controls in detailDriving systemsFront area warning indicator1Left side of the vehicle
2Right side of the vehicle
Each warning indicator is divided into six
yellow and two red segments for either
side of the vehicle. The Parktronic system
is ready when the border around the indi-
cator is illuminated.The position of the gear selector lever de-
termines which warning indicators will be
activated.
As your vehicle approaches an object, one
or more segments will light up, depending
on the distance. When the eighth segment
lights, you have reached the minimum dis-
tance.


Front area: An intermittent acoustic
warning will sound as the seventh seg-
ment lights up and a constant acoustic
warning lasting a maximum of three
seconds will sound for the eighth seg-
ment.


Rear area: An intermittent acoustic
warning will sound when the first seg-
ment lights up. This signal quickens
with each additional segment lit. When
the eighth segment illuminates, the
acoustic warning becomes a constant
signal. The signal is canceled when the
selector lever is placed in positionD
orP.
Selector lever
position
Warning indicator
D
Front area activated
R or N
Rear area activated
P
Neither activated

189 Controls in detail
Driving systems
Switching the Parktronic system
on/off
You can switch off the Parktronic system
manually.
The Parktronic switch is located in the low-
er section of the center console.
1Parktronic on/off switch
2Indicator lamp
Switching off the Parktronic system
Press switch1.
The indicator lamp2 comes on.Switching on the Parktronic system

Press switch1 again.
The indicator lamp2 goes out.
Parktronic malfunction
There is a malfunction in the Parktronic
system if the red segments of the Park-
tronic warning indicator light up and a
warning sounds. The Parktronic system
will switch itself off after 30 seconds and
the indicator lamp on the Parktronic switch
lights up.

Have the Parktronic system checked
by an authorized Mercedes-Benz Cen-
ter as soon as possible.If only the red segments of the Parktronic
warning indicator light up and no warning
sounds, then the sensors of the Parktronic
system are dirty or malfunctioning. Mal-
function may also be caused by interfer-
ence from other radio or ultrasonic signals.
The Parktronic system will switch itself off
after 20 seconds.

Clean Parktronic system sensors
(page 246).

Switch on the ignition.
or

Check Parktronic operation at another
location to rule out interference from
outside radio or ultrasonic signals.

190 Controls in detailUseful features
Useful featuresInterior storage spaces Glove box
An AUX socket to the audio system for por-
table audio devices is installed in the glove
box.
1Button to open
2Glove box
Opening the glove box

Press button1.
The glove box lid opens downward.
Closing the glove box

Push lid up to close.Cup holders
1Left cup holder
2Right cup holder
Opening

Briefly press cup holder cover.
The cup holder opens automatically.
Warning!
G
To help avoid personal injury during a colli-
sion or sudden maneuver, exercise care
when stowing objects in the vehicle. Put lug-
g a g e o r c a r g o i n t h e t r u n k i f p o s s i b l e . D o n o t
pile luggage or cargo higher than the seat
backs. Do not place anything on shelf be-
hind roll bar.
Parcel nets cannot secure hard or heavy ob-
jects. Warning!
G
Keep compartment lids closed. This will help
to prevent stored objects from being thrown
about and injuring vehicle occupants during
an accident.