Page 5 of 376

Contents
Retractable hardtop...........................  159
Opening and closing the retractable 
hardtop ........................................  159
Driving systems .................................  168
Cruise control ..............................  168
Distronic* ....................................  171
Active Body Control (ABC) ...........  183
Parktronic system* ......................  186
Useful features ..................................  190
Interior storage spaces ................  190
Ashtray.........................................  196
Cigarette lighter ...........................  197
Heated steering wheel* (Canada 
only–model SL 500) .....................  197
Easy-Pack load assist in the trunk  198
Electrical outlet ............................  199
Telephone* ..................................  199
Tele Aid ........................................  200
Garage door opener .....................  208Operation.........................................  213
The first 1000 miles (1500 km) .........  214
Driving instructions............................  215
Drive sensibly – save fuel.............  215
Drinking and driving .....................  215Pedals ........................................... 215
Power assistance .......................... 216
Brakes........................................... 216
Driving off ..................................... 218
Parking.......................................... 218
Tires .............................................. 219
Hydroplaning................................. 219
Tire traction .................................. 220
Tire speed rating ........................... 220
Winter driving instructions ............ 221
Standing water.............................. 222
Passenger compartment ............... 222
Driving abroad .............................. 222
Control and operation of radio trans-
mitters .......................................... 222
Catalytic converter........................ 223
Emission control ........................... 224
Coolant temperature..................... 224
At the gas station ............................... 225
Check regularly and before a
long trip ........................................ 226Engine compartment ..........................  227
Hood ............................................. 227
Engine oil ......................................  228
Transmission fluid level ................ 230
Oil level in the ABC system ...........  230
Coolant ......................................... 230
Battery ..........................................  232
Windshield washer system and 
headlamp cleaning system ...........  233
Tires and wheels ................................  234
Important guidelines .....................  234
Life of tires ...................................  235
Direction of rotation .....................  235
Checking tire inflation pressure .... 235
Rotating wheels ............................ 238
Winter driving ..................................... 239
Winter tires ...................................  239
Block heater (Canada only) ...........  240
Snow chains ................................. 240
Maintenance ......................................  241
Clearing the service indicator .......  241
Service term exceeded .................  241
Calling up the service indicator .... 242
Resetting the service indicator .....  242
Vehicle care .......................................  243
Cleaning and care of the vehicle ... 243 
     
        
        Page 230 of 376

230 OperationEngine compartmentOther display messages
If there is excessive engine oil with the en-
gine at normal operating temperature, the 
following message will appear: Engine oil level – Reduce oil level!
Have excess oil siphoned.
If the key is not turned to position2 in the 
starter switch: 
Engine oil level – Switch on ignition!
Switch on the ignition.
If you see the message:
Observe waiting time
Wait five minutes before repeating 
check procedure. If you see the message:
Engine oil level – Not while engine on
Turn off the engine. If engine is at nor-
mal operating temperature, wait five 
minutes before checking oil. If the en-
gine is not yet at normal operating tem-
perature, you must wait 30 minutes 
before checking oil.
More information on engine oil can be 
found in the “Technical data” section 
(
page 343).
Transmission fluid level
The transmission fluid level does not need 
to be checked. If you notice transmission 
fluid loss or gear shifting malfunctions, 
have an authorized Mercedes-Benz Center 
check the automatic transmission. 
Oil level in the ABC system
The oil level in the ABC system does not 
need to be checked. If there is visible oil 
loss or if malfunction messages appear in 
the display, have an authorized 
Mercedes-Benz Center check the ABC 
system.Coolant
The engine coolant is a mixture of water 
and anticorrosion/antifreeze. To check 
the coolant level, the vehicle must be 
parked on level ground and the engine 
must be cool. 
The coolant expansion tank is located on 
the passenger side of the engine compart-
ment.  
     
        
        Page 342 of 376

342 Technical dataFuels, coolants, lubricants, etc.
Fuels, coolants, lubricants, etc.CapacitiesVehicle components and their respective 
lubricants must match. Therefore only use 
brands tested and recommended by us. Please refer to the Factory Approved Ser-
vice Products pamphlet, or inquire at your 
Mercedes-Benz Center.
Model
Capacity
Fuels, coolants, lubricants etc.
Engine with oil filter
SL 500
SL 55 AMG
7.9 US qt (7.5 l)
9.0 US qt (8.5 l)
Recommended engine oils
Automatic transmission
9.1 US qt (8.6 l)
MB Automatic Transmission Oil
1
Rear axle
1.5 US qt (1.4 l)
Hypoid gear oil SAE 85 W 90
Hydraulic system for active body control (ABC)
approx. 5.3 US qt (5.0 l)
MB Hydraulic Fluid
Power steering
approx. 1.1 US qt (1.0 l)
MB Power Steering Fluid (Pentosin 
CHF 11S)
Front wheel hubs
approx. 3.0 oz (85 g) each
High temperature roller bearing grease
Brake system
1.1 US qt (1.05 l)
MB Brake Fluid (DOT 4+) 
Cooling system
SL 500
SL 55 AMG
approx. 12.2 US qt (11.6 l)
approx. 13.7 US qt (13 l)
MB 325.0 Anticorrosion / Antifreeze
Fuel tank
including a reserve of
21.1 US gal (80.0 l)
2.6 US gal (10.0 l)
Premium unleaded gasoline:
Posted Octane 91 (Avg. of 96 RON /
86 MON)
Air conditioning system
R-134a refrigerant and special PAG lu-
bricant oil (never R-12)
1MB part no. 001 989 21 03 10