Does the 2025 Mercedes-Benz S-Class need premium gas?
Yes. Premium.
$300extra a year
- Premium listed for the S 500 4MATIC AWD.
- All 4 trims list premium.
- Required or only recommended: the data does not say.
- 69% of 68 sedans (2025) list premium.
12,000 miles a year. Gas $3.20. Premium $0.60 more. Electric miles 50%.
| Trim | Engine | Grade | Mpg | Regular, a year | Premium, a year |
|---|---|---|---|---|---|
| S 500 4MATIC AWD | 3.0L 6cyl | Premium | 24 | $1,600 | $1,900 |
| S 580e 4MATIC AWD | 3.0L 6cyl | Premium | 23 | $835 | $991 |
| S 580 4MATIC AWD | 4.0L 8cyl | Premium | 20 | $1,920 | $2,280 |
| Mercedes-AMG S-Class S 63 E Performance 4MATIC+ AWD | 4.0L 8cyl | Premium | 15 | $2,560 | $3,040 |
Rivals
| Car | Cheapest trim | Grade |
|---|---|---|
| 2025 Mercedes-Benz S-Class | S 500 4MATIC AWD | Premium |
| 2025 BMW M5 | AWD | Premium |
| 2025 Audi S8 | 4.0 TFSI AWD | Premium |
| 2025 Audi RS 7 | performance AWD | Premium |
What this cannot tell you
Check the fuel door or manual before you fill.
Gas prices and the premium gap change by state.
- 2 or more sources
- 1 source
- Model-level, rule or estimate
- Sources disagree