Mercedes-Benz 2001 S 430 Operator's Manual page 294

Fuel tank capacity approximately 23.2 US gal (88.0 l).
This includes approximately 2.9 US gal (11.0 l) reserve.
Use premium unleaded gasoline:
S 430, S 500, S 55 AMG
Posted Octane Index 91 (Average of 96 RON/ 86 MON).
S 600:
Posted Octane Index 93 (Average of 98 RON/88 MON).
What you should know at the gas station
Instruments
Operation
and controls
291
Instrument
Driving
cluster display
Engine oil
Checking oil level, see instructions on pages 154
and 334.
S 430, S 500 and S 55 AMG only:
Fill quantity between upper and lower dipstick marking
level: 2,1 US qt (2.0 l).
Recommended engine oils, see Approved Service
Products sheet.
Coolant
For normal replenishing, use water (potable water
quality). For further information refer to page 336.
Practical hints Car care
Technical
Index
data