Page 8 of 434

Contents
Practical hints.................................  281
What to do if … ..................................  282
Lamps in instrument cluster ........  282
AIRBAG OFF indicator lamp .........  290
Messages in the display ...............  291
Where will I find ...? ...........................  323
First aid kit ...................................  323
Vehicle tool kit, jack, and spare
wheel ...........................................  323
Locking/unlocking in an emergency .  325
Unlocking the vehicle ...................  325
Locking the vehicle ......................  327
Lowering the load assist manually  327
Replacing batteries in the
SmartKey/SmartKey with
KEYLESS-GO* ..............................  328
Replacing bulbs .................................  331
Bulbs ............................................  331
Replacing bulbs for front lamps ...  334
Replacing bulbs for rear lamps.....  335Replacing wiper blades....................... 337
Removing wiper blades ................. 337
Installing wiper blades .................. 338
Flat tire ............................................... 339
Preparing the vehicle .................... 339
Sealing tires with TIREFIT kit 1...... 340
Sealing tires with TIREFIT kit 2...... 345
Mounting the spare wheel ............ 350
Batteries ............................................. 358
Disconnecting the batteries .......... 360
Removing the batteries ................. 361
Charging and reinstalling
batteries ....................................... 361
Reconnecting the batteries ........... 361
Jump starting ...................................... 363
Towing the vehicle .............................. 365
Installing towing eye bolt .............. 368
Fuses .................................................. 369
Main fuse box ............................... 369
Technical data..................................  371
Spare parts service ............................  372
Warranty coverage .............................  373
Loss of Service and Warranty 
Information Booklet ......................  373
Identification labels ............................  374
Layout of poly-V-belt drive.................. 375
SL 500 ..........................................  375
SL 55 AMG ...................................  375
SL 600 ..........................................  375
Engine ................................................  376
Rims and tires ....................................  378
Same size tires .............................  379
Mixed size tires .............................  380
Spare wheel ..................................  382
Electrical system ................................  383
Main dimensions ................................  384
Weights ..............................................  385 
     
        
        Page 253 of 434

252 OperationAt the gas stationCheck regularly and before a long trip
1Windshield washer and headlamp 
cleaning system
For information on refilling the reser-
voir, see “Windshield washer system 
and headlamp cleaning system” 
(
page 261).
2Brake fluid
For information on brake fluid, see “Fu-
els, coolants, lubricants, etc.” 
(page 386).3Coolant level
For information on coolant, see “Cool-
ant” (
page 258).
Brake fluidEngine oil level
For more information on engine oil, see 
“Checking engine oil level with the control 
system” (
page 255).
Opening hood see (
page 253).
Vehicle lighting
Check function and cleanliness. For more 
information, see “Replacing bulbs” 
(
page 331).
Exterior lamp switch see “Switching on 
headlamps” (
page 46).
Tire inflation pressure
For information on tire inflation pressure, 
see “Checking tire inflation pressure” 
(
page 263).
!If you find that the brake fluid in the 
brake fluid reservoir has fallen to the 
minimum mark or below, have the 
brake system checked for brake pad 
thickness and leaks immediately. Noti-
fy an authorized Mercedes-Benz Center 
immediately. Do not add brake fluid as 
this will not solve the problem. For 
more information, see the “Practical 
hints” section (
page 301). 
     
        
        Page 282 of 434
281 Practical hints
What to do if …
Where will I find ...?
Locking/unlocking in an emergency
Replacing bulbs
Replacing wiper blades
Flat tire
Batteries
Jump starting
Towing the vehicle
Fuses 
     
        
        Page 283 of 434

282 Practical hintsWhat to do if …
What to do if …Lamps in instrument clusterGeneral information: 
If a bulb in the instrument cluster fails to 
come on during the bulb self-check when the ignition is switched on, have it checked 
and replaced if necessary.Problem
Possible cause
Suggested solution
v
The yellow ABS/ESP warning 
lamp comes on while driving.
The ESP is deactivated. 
Risk of accident! 
Adapt your speed and driving to the prevail-
ing road and weather conditions.
Switch the ESP back on (
page 80).
If the ESP cannot be switched back on, 
have the system checked at an autho-
rized Mercedes-Benz Center as soon as 
possible.
v
The yellow ABS/ESP warning 
lamp flashes while driving.
The ESP, ABS, or traction control has come 
into operation because of detected traction 
loss in at least one tire.
Distronic* is deactivated.
When driving off, apply as little throt-
tle as possible.
While driving, ease up on the acceler-
ator.
Adapt your speed and driving to the 
prevailing road and weather condi-
tions.
Do not deactivate the ESP.
Exceptions: (
page 79).
Failure to follow these instructions in-
creases the risk of an accident. 
     
        
        Page 312 of 434

311 Practical hints
What to do if …
Left display
Right display
Possible cause
Possible solution
F
Key
not recognized!
The SmartKey with KEYLESS-GO* is 
not recognized while the engine is 
running because
the SmartKey with 
KEYLESS-GO* is not in the vehi-
cle
there is strong radio-frequency 
interference
Stop the vehicle as soon as it is safe to do so.
Search for the SmartKey with KEYLESS-GO* 
or continue to operate the vehicle with the 
SmartKey.
Otherwise the vehicle cannot be centrally 
locked nor can the engine be started again af-
ter the engine is stopped.
The SmartKey with KEYLESS-GO* is 
momentarily not recognized.
Change the position of the SmartKey with 
KEYLESS-GO* in the vehicle.
Operate the vehicle with the SmartKey if 
necessary.
F
Key
still
in vehicle!
A SmartKey with KEYLESS-GO* left 
in the vehicle was recognized while 
locking the vehicle from the out-
side.
Take the SmartKey with KEYLESS-GO* out of 
the vehicle.
.
3rd brake light
The high mounted brake lamp is 
malfunctioning.
Visit an authorized Mercedes-Benz Center as 
soon as possible.
Brake lamp
Left
Back-up
lamp on!
The left brake lamp is malfunction-
ing. A backup bulb has been 
brought into use.
Visit an authorized Mercedes-Benz Center as 
soon as possible. 
     
        
        Page 313 of 434

312 Practical hintsWhat to do if …Left display
Right display
Possible cause
Possible solution
.
Brake lamp
Right
Back-up
lamp on!
The right brake lamp is malfunction-
ing. A backup bulb has been 
brought into use.
Visit an authorized Mercedes-Benz Center as 
soon as possible.
Brake light
!
Drive to
workshop!
Brake lamp illumination is delayed 
or lamp is permanently on.
Visit an authorized Mercedes-Benz Center as 
soon as possible.
Front foglamp
Left
The left front fog lamp is malfunc-
tioning.
Replace the bulb as soon as possible.
Front foglamp
Right
The right front fog lamp is malfunc-
tioning.
Replace the bulb as soon as possible.
Rear foglamp
Left
The left rear fog lamp is malfunc-
tioning. 
Replace the bulb as soon as possible.
High beam
Left
The left high beam lamp is malfunc-
tioning.
Replace the bulb as soon as possible.
High beam
Right
The right high beam lamp is mal-
functioning.
Replace the bulb as soon as possible.
Left turn signal
Mirror
The left turn signal in the side mirror 
is malfunctioning. This message will 
only appear if all light emitting di-
odes have stopped working.
Have the LEDs replaced as soon as possible. 
     
        
        Page 314 of 434

313 Practical hints
What to do if …
Left display
Right display
Possible cause
Possible solution
.
License plate
lamp, L
The left license plate lamp is mal-
functioning.
Replace the bulb as soon as possible.
License plate
lamp, R
The right license plate lamp is mal-
functioning.
Replace the bulb as soon as possible.
Light sensor
Drive to
workshop!
The light sensor is malfunctioning. 
The headlamps switch on automati-
cally.
In the control system, set lamp operation to 
manual (
page 142).
Switch on headlamps using the exterior lamp 
switch.
Visit an authorized Mercedes-Benz Center as 
soon as possible.
Marker lamp
Front left
The front left side marker lamp is 
malfunctioning.
Replace the bulb as soon as possible.
Marker lamp
Front right
The front right side marker lamp is 
malfunctioning.
Replace the bulb as soon as possible.
Marker lamp
Rear left
The rear left side marker lamp is 
malfunctioning.
Replace the bulb as soon as possible.
Marker lamp
Rear right
The rear right side marker lamp is 
malfunctioning.
Replace the bulb as soon as possible. 
     
        
        Page 315 of 434

314 Practical hintsWhat to do if …Left display
Right display
Possible cause
Possible solution
.
Parking lamp
Front left
Back-up
lamp on!
The left front parking lamp is mal-
functioning. A backup bulb has 
been brought into use.
Replace the bulb as soon as possible.
Parking lamp
Front right
Back-up
lamp on!
The right front parking lamp is mal-
functioning. A backup bulb has 
been brought into use.
Replace the bulb as soon as possible.
Reverse lamp
Left
The left backup lamp is malfunc-
tioning.
Replace the bulb as soon as possible.
Reverse lamp
Right
The right backup lamp is malfunc-
tioning.
Replace the bulb as soon as possible.
Right turn signal
Mirror
The right turn signal in the side mir-
ror is malfunctioning. This message 
will only appear if all light emitting 
diodes have stopped working.
Have the LEDs replaced as soon as possible.
Tail lamp
Left
Back-up
lamp on!
The left tail lamp is malfunctioning. 
A backup bulb has been brought 
into use.
Visit an authorized Mercedes-Benz Center as 
soon as possible.