- Newest year: 2000
- Gas
- Two-seaters
2000 Mercedes-Benz SLK-Class MPG & Fuel Cost
2 configurations · 22 MPG combined
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
Cheaper to fuel than 8 of 10 two-seater configurations, MY2000. Ranked against all rated configurations, not sales-weighted.
2000 Mercedes-Benz SLK-Class at a glance
The 2000 Mercedes-Benz SLK-Class has 2 configurations in the EPA database, rated 22 MPG combined. The most efficient is the SLK230 Kompressor 2.3L 4-cyl supercharged RWD at 22 MPG, which costs about $3,650 a year to fuel at premium gasoline $5.36/gal (U.S. average, Sep 2026). The SLK230 Kompressor 2.3L 4-cyl supercharged RWD costs less to fuel than 8 of 10 two-seater configurations rated for MY2000 (class median $4,350 a year).
EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.
What the 2000 SLK230 Kompressor 2.3L 4-cyl supercharged RWD costs to drive
Per month
$304
$3,650 a year ÷ 12
Per 25 miles
$6.08
Per 100 miles
$24.33
Five years
$18,250
5 × the yearly cost, prices held at today's level
vs the two-seater median
$700less a year
Class median $4,350 a year, MY2000
Based on 15,000 miles a year and premium gasoline $5.36/gal (U.S. average, Sep 2026).
2000 Mercedes-Benz SLK-Class MPG
EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| SLK230 Kompressor 2.3L 4-cyl supercharged RWD Automatic 5-spd (Most efficient) | 2.3L 4-cyl supercharged | RWD | 20 | 27 | 22 | $3,650 |
| SLK230 Kompressor 2.3L 4-cyl supercharged RWD Manual 5-spd | 2.3L 4-cyl supercharged | RWD | 19 | 28 | 22 | $3,650 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Fuel cost by state
Yearly cost of the SLK230 Kompressor 2.3L 4-cyl supercharged RWD: $4,350 in California and $3,170 in Texas, a $1,180 difference.
- California $4,350
- Washington $4,100
- New York $3,610
- Florida $3,330
- Texas $3,170
Similar cars
Closest combined MPG among MY2000 two-seater models.
Generations
Frequently asked questions
What gas mileage does the 2000 Mercedes-Benz SLK-Class get?
EPA rates the 2000 Mercedes-Benz SLK-Class at 22 MPG combined across 2 configurations. The most efficient, the SLK230 Kompressor 2.3L 4-cyl supercharged RWD, is rated 22 MPG combined (20 city / 27 highway).
How much does it cost to fuel a 2000 Mercedes-Benz SLK-Class per year?
Driving 15,000 miles a year at premium gasoline $5.36/gal (U.S. average, Sep 2026), the SLK230 Kompressor 2.3L 4-cyl supercharged RWD costs about $3,650 a year. Across all 2 configurations the cost runs $3,650 a year.
How much does it cost to drive a 2000 Mercedes-Benz SLK-Class 100 miles?
About $24.33 per 100 miles for the SLK230 Kompressor 2.3L 4-cyl supercharged RWD at premium gasoline $5.36/gal (U.S. average, Sep 2026). That is the annual cost over 15,000 miles divided by 150.
Is the 2000 Mercedes-Benz SLK-Class more efficient in the city or on the highway?
The SLK230 Kompressor 2.3L 4-cyl supercharged RWD is rated 20 city and 27 highway MPG, so it is more efficient on the highway, by 7 MPG.
How does the 2000 Mercedes-Benz SLK-Class compare with other two-seater configurations?
The SLK230 Kompressor 2.3L 4-cyl supercharged RWD costs about $3,650 a year to fuel, $700 less than the class median of $4,350, and less than 8 of 10 two-seater configurations. The comparison covers all 32 rated two-seater configurations for MY2000, not weighted by sales.