291 What you should know at the gas station
Te ch n ica l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index 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).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. 
395 Fuels, coolants, lubricants etc. - capacities
Te ch n ica l
data Instruments 
and controlsOperation DrivingInstrument 
cluster displayPractical hints Car care Index Fuel tank
including a reserve of23.2 US gal (88.0 l)
2.9 US gal (11.0 l)Premium unleaded gasoline: Posted 
Octane 91
(Avg. of 96 RON / 86 MON)
Air conditioner system R-134a refrigerant and special PAG 
lubricant 
Windshield washer 
and headlamp 
cleaning system7.1 US qt (6.7 l) MB Windshield washer concentrate
1
1 Use MB Windshield Washer Concentrate “S” and water for temperatures above freezing or MB Windshield Washer Concentrate “S” and 
commercially available premixed windshield washer solvent / antifreeze for temperatures below freezing. Follow suggested mixing ratios, see 
page 337.
Model Capacity Fuels, coolants, lubricants etc.