Does the 2021 Mercedes-Benz S-Class need premium gas?
Yes. Premium.
$300extra a year
- Premium listed for the S 500 4MATIC AWD.
- All 6 trims list premium.
- Required or only recommended: the data does not say.
- 100% of 14 convertibles (2021) list premium.
12,000 miles a year. Gas $3.20. Premium $0.60 more.
| Trim | Engine | Grade | Mpg | Regular, a year | Premium, a year |
|---|---|---|---|---|---|
| S 500 4MATIC AWD | 3.0L 6cyl | Premium | 24 | $1,600 | $1,900 |
| S 580 4MATIC AWD | 4.0L 8cyl | Premium | 20 | $1,920 | $2,280 |
| S 560 4MATIC AWD | 4.0L 8cyl | Premium | 20 | $1,920 | $2,280 |
| S 560 Cabriolet RWD | 4.0L 8cyl | Premium | 20 | $1,920 | $2,280 |
| Mercedes-AMG S-Class S 63 AMG AWD | 4.0L 8cyl | Premium | 19 | $2,021 | $2,400 |
| Mercedes-AMG S-Class S 63 AMG Cabriolet 2D AWD | 4.0L 8cyl | Premium | 17 | $2,259 | $2,682 |
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