MERCEDES-BENZ SL500 2004 R230 Owner's Manual

320 Practical hintsWhat to do if …Left display
Right display
Possible cause
Possible solution
H
Tire pressure, FL
Check tires!
The left front tire pressure is low.

Carefully bring the vehicle to a halt.

Check the tire pressure.

Change the wheel (
page 350).
Tire pressure, FR
Caution
tire defect!
The right front tire is deflating.

Carefully bring the vehicle to a halt, avoiding
abrupt steering and braking maneuvers.

Change the wheel (
page 350).
Tire pressure, FR
Check tires!
The right front tire pressure is low.

Carefully bring the vehicle to a halt.

Change the wheel (
page 350).
Warning!
G
Do not drive with a flat tire. A flat tire affects
the ability to steer or brake the vehicle. You
may lose control of the vehicle.
Continued driving with a flat tire will cause
excessive heat build-up and possibly a fire.

321 Practical hints
What to do if …
Left display
Right display
Possible cause
Possible solution
H
Reactivate
tire press. monit
.
The tire inflation pressure monitor*
is deactivated.

Activate the tire inflation pressure monitor*
(page 266).
Tire press.
monitor
currently
inactive
The tire inflation pressure monitor*
is temporarily unable to monitor the
tire pressure due to:

the presence of several wheel
sensors in the vehicle


excessive wheel sensor temper-
atures


a nearby radio interference
source


unrecognized wheel sensors
mounted

Remove any additional wheel sensors from
the vehicle, e.g. when transporting a new set
of tires.
As soon as the causes of the malfunction have
been removed, the tire pressure monitor auto-
matically becomes active again.
Warning!
G
Do not drive with a flat tire. A flat tire affects
the ability to steer or brake the vehicle. You
may lose control of the vehicle.
Continued driving with a flat tire will cause
excessive heat build-up and possibly a fire.

322 Practical hintsWhat to do if …Left display
Right display
Possible cause
Possible solution
Ê
Close
trunk lid!
This message will appear whenever
the trunk lid is open.

Close the trunk lid.
M
Close
trunk partition!
You are trying to open or close the
retractable hardtop even though
the luggage cover in the trunk is not
pulled out.

Pull out the luggage cover and secure it
(page 185).
W
Washer fluid
Check level!
The fluid level has dropped to about 1/3 of total reservoir capacity.

Add washer fluid (
page 261).
Warning!
G
Do not spill antifreeze on hot engine parts.
Antifreeze contains ethylene glycol which
may ignite when if it comes into contact with
hot engine parts. You could be seriously
burned.

323 Practical hints
Where will I find ...?
Where will I find ...?
First aid kit
The first aid kit is located in storage com-
partment under the passenger seat.
1Handle
2Lid
Pull handle 1 up.

Fold lid 2 down.
You can now remove the first-aid kit.
Vehicle tool kit, jack, and spare wheel
The vehicle tool kit, jack, and spare wheel
are stored in the space underneath the
trunk floor.
Lift up the trunk floor cover.
You can now remove the tools and ac-
cessories.
The vehicle tool kit includes

One pair of universal pliers


Two open-end wrenches


One hex-socket wrench


One interchangeable slot/Phillips
screwdriver


One towing eye bolt


One alignment bolt


One fuse extractor


One fuse chart for the main fuse
box


Spare fuses
The jack is exclusively designed for lifting
the vehicle during a wheel change. Always
lower the vehicle on sufficient capacity
jack stands before working under the vehi-
cle.
iCheck expiration dates and contents
for completeness at least once a year
and replace missing/expired items.

324 Practical hintsWhere will I find ...?Vehicles with spare wheel
1Spare wheel
2Electric air pump
3Vehicle tool kit
4Battery for electrical consumers5Jack (under spare wheel)
6Wheel wrench (under spare wheel)Vehicles with TIREFIT kit
1TIREFIT kit
2Electric air pump
3Vehicle tool kit
4Battery for electrical consumers
5Wheel wrench
6Jack

325 Practical hints
Locking/unlocking in an emergency
Locking/unlocking in an emergency
Unlocking the vehicle
If you are unable to unlock the driver’s
door using the SmartKey, open the door
using the mechanical key.
1Mechanical key locking tab
2Mechanical key

Move locking tab 1 direction of arrow
and slide the mechanical key 2 out of
the housing.Unlocking the driver’s door
1Unlocking
2Locking

Unlock the door with the mechanical
key. To do so, push the mechanical key
in the lock until it stops and turn it to
the left.
iUnlocking your vehicle with the me-
chanical key will trigger the anti-theft
alarm system. To cancel the alarm, do
one of the following:

Press button Œ or ‹on the
SmartKey.


Insert the SmartKey in the starter
switch.


Press the KEYLESS-GO* start/stop
button (
page 33).


Grasp the outside door handle (ve-
hicles with KEYLESS-GO* only).

326 Practical hintsLocking/unlocking in an emergencyUnlocking the trunk
A minimum height clearance of
6.2 ft (1.89 m) is required to open the
trunk lid.
If you are unable to unlock the trunk with
the SmartKey, open the trunk with the me-
chanical key.
The handle is located above the rear li-
cense plate recess.Trunk lid lock1Unlocking
2Handle

Insert the mechanical key into the
trunk lid lock.

Turn the mechanical key counterclock-
wise to position 1 and hold it in this
position.

Pull the trunk lid handle 2 and lift lid.Unlocking interior storage compart-
ments
Locking storage areas in the passenger
compartment include:


the glove box


the storage compartment under the
armrest


the rear storage compartments
If these cannot be unlocked by means of
the SmartKey, the SmartKey with
KEYLESS-GO*, or the central locking but-
ton, use the mechanical key to open the
glove box.
iUnlocking your vehicle with the me-
chanical key will trigger the anti-theft
alarm system. To cancel the alarm, do
one of the following:

Press button Œ or ‹on the
SmartKey.


Insert the SmartKey in the starter
switch.


Press the KEYLESS-GO* start/stop
button (
page 33).


Grasp the outside door handle (ve-
hicles with KEYLESS-GO* only).
iThe storage compartment under the
armrest and the rear storage compart-
ments can only be unlocked at the
glove box lock using the mechanical
key.

327 Practical hints
Locking/unlocking in an emergency
1Separately unlock storage compart-
ments
2Centrally lock/unlock storage com-
partments
3Separately lock storage compartments
Slide mechanical key out of SmartKey
housing (
page 325).

Insert the mechanical key into the
glove box lock and turn it to
position2.
All storage compartments are now un-
locked.
Locking the vehicle
If you are unable to lock the vehicle with
the SmartKey, lock it with the mechanical
key as follows:
Close the passenger door and the trunk
lid.

Press the central locking switch in the
center console (
page 105).

Check to see whether the locking knob
on the passenger door is still visible. If
necessary push it down manually.

Slide the mechanical key out of the
SmartKey.

Lock the driver’s door with the me-
chanical key.
Lowering the load assist manually
If the load assist feature does not fully low-
er the retractable hardtop into the trunk
compartment and you are unable to close
the trunk lid, follow the instructions below.
1Hex-socket wrench
2Locking screw
Remove the trunk floor from the trunk.

Lift up the lid located at the lower left
side of the trunk.

Have a second person lift and hold the
retracted hardtop.


328 Practical hintsLocking/unlocking in an emergency
Using the hex-socket wrench provided
in the vehicle tool kit, carefully turn the
locking screw 2 approximately one
quarter turn.

Hook luggage cover into holders
(page 185).

Let go of the hardtop.
It should gradually lower into the trunk.

When top is completely lowered, return
locking screw 2 to its original posi-
tion.

Close the lid.

Replace the trunk floor.

Visit an authorized Mercedes-Benz
Center as soon as possible.Replacing batteries in the SmartKey/
SmartKey with KEYLESS-GO*
If the batteries in the SmartKey or the
SmartKey with KEYLESS-GO* are dis-
charged, the vehicle can no longer be
locked or unlocked. It is recommended to
have the batteries replaced at an autho-
rized Mercedes-Benz Center.
Batteries contain materials that can harm
the environment if disposed of improperly.
Recycling of batteries is the preferred
method of disposal. Many states require
sellers of batteries to accept old batteries
for recycling.SmartKey
1Mechanical key
2Battery compartment
Replacement batteries: Lithium, type
CR 2025 or equivalent.
!Do not overtighten the screw.
Warning!
G
Keep the batteries out of reach of children.
If a battery is swallowed, seek medical help
immediately.
iWhen replacing batteries, always re-
place both batteries. The required re-
placement batteries are available at
any Mercedes-Benz Center.


329 Practical hints
Locking/unlocking in an emergency

Remove mechanical key (
page 325).

Insert the mechanical key1in side
opening and push gray slide.
The battery compartment is unlatched.

Pull battery compartment2out of the
SmartKey housing in direction of ar-
row.

Remove the batteries.
3Battery
4Contact spring

Using a lint-free cloth, insert new bat-
teries under the contact spring with the
plus (+) side facing up.

Return battery compartment into hous-
ing until it locks into place.SmartKey with KEYLESS-GO*
1Battery
2Tilt battery up
3Mechanical key
Replacement batteries: Lithium, type
CR 2025 or equivalent.
iThe required replacement batteries are
available at any Mercedes-Benz
Center.