ECU MERCEDES-BENZ SLR CLASS 2007 Service Manual

94 Safety and Security
Anti-theft systems
Tow-away alarm
Once the tow-away alarm is armed, a visual
and audible alarm will be triggered when
someone attempts to raise the vehicle.
Arming tow-away alarm
Lock your vehicle with the SmartKey.
The tow-away alarm is automatically
armed after about 30 seconds.Disarming tow-away alarm
To prevent triggering the tow-away alarm,
switch off the tow-away alarm feature
before towing the vehicle, or when parking
on a surface subject to movement, such as
a ferry or auto train.
The button is located on the lower part of
the center console.
1Tow-away alarm off button
2Indicator lamp
Switch off the ignition and remove the
SmartKey.
Press button 1.
Indicator lamp2 in button1 comes
on briefly.
Exit and lock your vehicle with the
SmartKey.
The tow-away alarm remains disarmed
until you lock your vehicle again.
Canceling the alarm
To cancel the alarm:
Press buttonŒ or‹ on the
SmartKey.
or
Insert the SmartKey in the starter
switch.
iThe tow-away protection alarm is triggered,
for example, if the vehicle is lifted on one side.
If the alarm stays on for more than 30 seconds,
a call to the Response Center is initiated auto-
matically by the Tele Aid system (
page 221)
provided Tele Aid service was subscribed to and
properly activated, and that necessary cellular
service and GPS coverage are available.
iWhen you unlock your vehicle, the tow-away
protection disarms automatically. The tow-away
alarm remains disarmed until you lock the
vehicle again.
iYou cannot disarm the tow-away alarm while
the ignition is switched on.

109 Controls in detail
Lighting
USA only:
By default, the daytime running lamp mode
is deactivated. Activate the daytime
running lamp mode using the control
system, see “Setting daytime running lamp
mode (USA only)” (
page 135).
When the engine is running, and you turn
the exterior lamp switch to positionC
orB, the manual headlamp mode has
priority over the daytime running lamp
mode.
The corresponding exterior lamps switch
on (
page 106).
Locator lighting and night security
illumination
The locator lighting and the night security
illumination are described in the “Control
system” section, see “Setting locator light-
ing” (
page 135) and “Setting night secu-
rity illumination” (
page 136).Fog lampsFront fog lamps
Switch on the low beam headlamps
(
page 106).
Pull out the exterior lamp switch to first
stop.
The front fog lamps switch on.
The green indicator lamp‡ in the
exterior lamp switch comes on.
Push in the exterior lamp switch.
The front fog lamps switch off.
The green indicator lamp‡ in the
exterior lamp switch goes out.
Warning!G
In low ambient lighting or foggy conditions,
only switch from positionU toB with
the vehicle at a standstill in a safe location.
Switching fromU toB will briefly
switch off the headlamps. Doing so while
driving in low ambient lighting conditions
may result in an accident.
iFog lamps will operate with the parking
lamps and/or the low beam headlamps on. Fog
lamps should only be used in conjunction with
low beam headlamps. Consult your State or
Province Motor Vehicle Regulations regarding al-
lowable lamp operation.
iFog lamps cannot be switched on with the
exterior lamp switch in positionU. For
switching on the fog lamps, turn the exterior
lamp switch to positionB first.

131 Controls in detail
Control system
The table below shows what settings can
be changed within the various menus.
Detailed instructions on making individual
settings can be found on the following
pages.
Instrument clusterTimeLightingVehicle
(page 132)(page 133)(page 134)(page 138)
Selecting digital speedometer
display modeSetting time (hours)Setting daytime running lamp
mode (USA only)Setting station selection mode
(radio)
Selecting standard displaySetting time (minutes)Setting locator lightingSetting automatic locking
Selecting languageSetting night security illumina-
tion (Headlamps delayed
switch-off)
Setting interior lighting delayed
switch-off

134 Controls in detail
Control system
Setting time (hours)
Move the selection marker with button
æ orç to the
Time submenu.
Press buttonj ork repeatedly
until this message appears in the left
multifunction display:
Set time Hour.
The selection marker is on the hour
setting.
Press buttonæ orç to set the
hour.Setting time (minutes)
Move the selection marker with button
æ orç to the
Time submenu.
Press buttonj ork repeatedly
until this message appears in the left
multifunction display:
Set time
Minute(s)
.
The selection marker is on the minute
setting.
Press buttonæ orç to set the
minutes.Lighting submenu
Access the
Lighting submenu via the
Settings menu. Use the Lighting sub-
menu to change the lamp and lighting
settings on your vehicle.
The following functions are available:
FunctionPage
Setting daytime running lamp
mode (USA only)135
Setting locator lighting135
Setting night security illumina-
tion (Headlamps delayed
switch-off)136
Setting interior lighting delayed
switch-off 137

136 Controls in detail
Control system
Move the selection marker with button
æ or ç to the
Lighting
submenu.
Press button j or k repeatedly
until you see this message in the left
multifunction display:
Locator lighting.
The selection marker is on the current
setting.
Press button æ or ç to switch
the locator lighting function
On.
Turn the exterior lamp switch to
positionU when exiting the vehicle
(
page 106).
The locator lighting feature is
activated.Setting night security illumination
(Headlamps delayed switch-off)
Use this function to set whether you would
like the exterior lamps to remain on for
15 seconds during darkness after exiting
the vehicle and closing the doors.
With the delayed shut-off feature activated
and the exterior lamp switch in
positionU before the engine is turned
off, the following lamps will switch on
when the engine is turned off:

Parking lamps

Tail lamps

License plate lamps

Side marker lamps

Front fog lamps
If after turning off the engine you do not
open a door or do not close an opened
door, the lamps will automatically switch
off after 60 seconds.
Move the selection marker with button
æ or ç to the
Lighting sub-
menu.
Press button j or k repeatedly
until you see this message in the left
multifunction display:
Headlamps delayed switch-off.
The selection marker is on the current
setting.
Press button æ or ç to switch
the headlamps delayed shut-off feature
On or Off.
Turn the exterior lamp switch to
positionU before turning off the
engine (
page 106).
The headlamps delayed switch-off
feature is activated.

171 Controls in detail
Automatic transmission
Gear selector lever positions
Effect
ìPark position
Gear selector lever position
when the vehicle is parked. Place
gear selector lever in park
positionP only when vehicle is
stopped. The park position is not
intended to serve as a brake
when the vehicle is parked.
Rather, the driver should always
set the parking brake in addition
to placing the gear selector lever
in park positionP to secure the
vehicle.
The SmartKey can only be
removed from the starter switch
with the gear selector lever in
park positionP. With the
SmartKey removed, the gear
selector lever is locked in park
positionP.
Effect
íReverse gear
Place gear selector lever in
positionR only when vehicle is
stopped.
Effect
ëNeutral
No power is transmitted from the
engine to the drive axle. When
the brakes are released, the
vehicle can be moved freely
(pushed or towed).
To avoid damage to the trans-
mission, never engageN while
driving.
If the ESP
® is deactivated or
malfunctioning:
Move gear selector lever to
neutralN only if the vehicle is in
danger of skidding, e.g. on icy
roads.
êDrive position
The transmission shifts
automatically. All five forward
gears are available.

206 Controls in detail
Useful features
Map pocket in passenger footwellStorage compartments Armrest storage compartment
Reach into the recess and lift armrest.
The armrest opens automatically.
Warning!G
Do not place heavy or fragile objects, or ob-
jects having sharp edges in the map pocket.
In an accident, during hard braking or sud-
den maneuvers, they could be thrown
around inside the vehicle, and cause injury
to vehicle occupants.
Warning!G
To help avoid personal injury during a colli-
sion or sudden maneuver, exercise care
when storing objects in the vehicle. Put lug-
gage or cargo in the trunk. Do not pile lug-
gage or cargo higher than the seat backs.
Do not place anything on the shelf below the
rear window.
Parcel nets cannot secure hard or heavy
objects.
Keep compartment lids closed. This will help
to prevent stored objects from being thrown
about and injuring vehicle occupants during
an accident.

207 Controls in detail
Useful features
Center storage compartment/tele-
phone compartment
1Release button
2Cover
Press release button1.
Cover2 opens automatically.Rear storage compartment
1Release button
2Cover
Press release button1.
Cover2 opens automatically.
Parcel net in trunk
There is a net available in the trunk to
secure loads:
Pull the trunk floor net from the trunk
back wall towards the front over the
luggage.
Hang the hooks of the net on the eyes
on the trunk floor.
iThe telephone (page 209), the Roadside
Assistance button• (
page 217) and the
Information button¡ (
page 218) are
located in the cover of the center storage
compartment.
iWith the ignition switched on and cover2
opened, the storage compartment will be
illuminated.

226 Controls in detail
Useful features

If another hand-held remote control is
available for the same device, try the
programming steps again using that
other hand-held remote control. Make
sure new batteries are in the hand-held
remote control before beginning the
procedure.

Straighten the antenna wire from the
garage door opener assembly. This
may help improve transmitting and/or
receiving signals.
Floormats*
iCertain types of garage door openers are in-
compatible with the integrated remote control. If
you should experience further difficulties with
programming the integrated remote control,
contact an authorized Mercedes-Benz Center, or
call Mercedes-Benz Customer Assistance
Center (in the USA) at 1-800-FOR-MERCedes, or
Customer Service (in Canada) at
1-800-387-0100.
iUSA only:
This device complies with Part 15 of the
FCC Rules. Operation is subject to the following
two conditions:
(1) This device may not cause harmful interfer-
ence, and
(2) this device must accept any interference re-
ceived, including interference that may
cause undesired operation.
Any unauthorized modification to this device
could void the user’s authority to operate the
equipment.
iCanada only:
This device complies with RSS-210 of Industry
Canada. Operation is subject to the following
two conditions:
(1) This device may not cause interference, and
(2) this device must accept any interference re-
ceived, including interference that may
cause undesired operation of the device.
Any unauthorized modification to this device
could void the user’s authority to operate the
equipment.
Warning!G
When you are using floormats, make sure
there is enough clearance and that the
floormats are securely fastened.
Floormats must always be securely fastened
using eyelets1 and retainer pins2.
Before driving off, check that the floormats
are securely in place and adjust them if
necessary. A loose floormat could slip and
hinder proper functioning of the pedals.
Do not place several floormats on top of
each other as this may impair pedal
movement.

227 Controls in detail
Useful features
Installing
Example driver’s side
1Eyelet
2Retainer pins
Lay down the floormat.
Press eyelets 1 onto retainers pins2
in direction of arrow. Removing
Pull the floormats off retainers pins.
Remove the floormat. Floormats* (Only Mercedes-Benz SLR
McLaren 722 Edition)
Warning!G
Because of the carbon fiber the footwell
could be slippery when wet. Be careful when
entering/exiting the vehicle with wet shoe
soles, you could slip on it.
When you are using floormats, make sure
there is enough clearance and that the
floormats are securely fastened.
Floormats must always be securely fastened
using eyelets1 and retainer pins2.
Before driving off, check that the floormats
are securely in place and adjust them if
necessary. A loose floormat could slip and
hinder proper functioning of the pedals.
Do not place several floormats on top of
each other as this may impair pedal
movement.