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2000 Mercedes-Benz S320 (W220)
Shown: 2000 Mercedes-Benz S320 (W220). Photo: Harvey Bold, CC BY 4.0, via Wikimedia Commons
  • Newest year: 2006
  • Gas
  • Large cars

2000-2006 Mercedes-Benz S-Class MPG & Fuel Cost

7 model years · 13–19 MPG combined

19 MPG
Combined
16 MPG
City
24 MPG
Highway
Annual fuel cost · S430 4.3L 8-cyl RWD
$4,230

15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)

Cheaper to fuel than 4 of 10 large car configurations, MY2006. Ranked against all rated configurations, not sales-weighted.

2000-2006 Mercedes-Benz S-Class at a glance

The 2000-2006 Mercedes-Benz S-Class covers 7 model years in the EPA database (36 configurations in all), rated 13–19 MPG combined. The newest model year, 2006, costs about $4,230 a year to fuel for its most efficient version, the S430 4.3L 8-cyl RWD (19 MPG), at premium gasoline $5.36/gal (U.S. average, Sep 2026). EPA changed the ratings in 2001, 2002, 2003, 2004, 2005 and 2006. The best combined rating in the generation, 19 MPG, was reached in 2004, 2005 and 2006.

EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.

2000-2006 Mercedes-Benz S-Class by model year

2000-2006 Mercedes-Benz S-Class: EPA combined rating and yearly fuel cost for each model year
Model yearPowertrainsCombined$/yrEPA ratings
2006 Gas 13–19 MPG $4,230–$6,180 Ratings changed
2005 Gas 13–19 MPG $4,230–$6,180 Ratings changed
2004 Gas 13–19 MPG $4,230–$6,180 Ratings changed
2003 Gas 14–18 MPG $4,460–$5,740 Ratings changed
2002 Gas 16–18 MPG $4,460–$5,020 Ratings changed
2001 Gas 16–18 MPG $4,460–$5,020 Ratings changed
2000 Gas 17–18 MPG $4,460–$4,730 First year

What the 2006 S430 4.3L 8-cyl RWD costs to drive

Per month

$353

$4,230 a year ÷ 12

Per 25 miles

$7.05

Per 100 miles

$28.20

Five years

$21,150

5 × the yearly cost, prices held at today's level

vs the large car median

$600more a year

Class median $3,630 a year, MY2006

Based on 15,000 miles a year and premium gasoline $5.36/gal (U.S. average, Sep 2026).

2006 Mercedes-Benz S-Class MPG

EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.

Versus 2005: The most efficient configuration stays at 19 MPG. Its annual cost stays at $4,230.

Gas · 3.7L, 4.3L, 5.0L…
Combined
13–19 MPG
Per year
$4,230–$6,180

Gas configurations (8)

2006 Mercedes-Benz S-Class gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
S430 (Most efficient) 4.3L 8-cyl RWD 16 24 19 $4,230
S350 3.7L 6-cyl RWD 16 23 18 $4,460
S430 4matic 4.3L 8-cyl 4WD 15 21 17 $4,730
S500 5.0L 8-cyl RWD 14 22 17 $4,730
S500 4matic 5.0L 8-cyl 4WD 14 20 16 $5,020
S55 AMG 5.4L 8-cyl supercharged RWD 13 20 16 $5,020
S65 AMG 6.0L 12-cyl turbo RWD 11 18 14 $5,740
S600 5.5L 12-cyl turbo RWD 11 17 13 $6,180

8 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

2005 Mercedes-Benz S-Class MPG

13–19 MPG · $4,230–$6,180/yr

EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.

Versus 2004: The most efficient configuration stays at 19 MPG. Its annual cost stays at $4,230.

Gas · 4.3L, 5.0L, 5.4L…
Combined
13–19 MPG
Per year
$4,230–$6,180

Gas configurations (6)

2005 Mercedes-Benz S-Class gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
S430 (Most efficient) 4.3L 8-cyl RWD 16 24 19 $4,230
S430 4matic 4.3L 8-cyl 4WD 15 21 17 $4,730
S500 5.0L 8-cyl RWD 14 22 17 $4,730
S500 4matic 5.0L 8-cyl 4WD 14 20 16 $5,020
S55 AMG 5.4L 8-cyl supercharged RWD 13 20 15 $5,360
S600 5.5L 12-cyl turbo RWD 11 17 13 $6,180

6 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

2004 Mercedes-Benz S-Class MPG

13–19 MPG · $4,230–$6,180/yr

EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.

Versus 2003: The most efficient configuration moves from 18 to 19 MPG, up 1. Its annual cost goes from $4,460 to $4,230, $230 less.

Gas · 4.3L, 5.0L, 5.4L…
Combined
13–19 MPG
Per year
$4,230–$6,180

Gas configurations (6)

2004 Mercedes-Benz S-Class gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
S430 (Most efficient) 4.3L 8-cyl RWD 16 24 19 $4,230
S430 4matic 4.3L 8-cyl 4WD 15 21 17 $4,730
S500 5.0L 8-cyl RWD 14 22 17 $4,730
S500 4matic 5.0L 8-cyl 4WD 14 20 16 $5,020
S55 AMG 5.4L 8-cyl supercharged RWD 13 19 15 $5,360
S600 5.5L 12-cyl turbo RWD 11 17 13 $6,180

6 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

2003 Mercedes-Benz S-Class MPG

14–18 MPG · $4,460–$5,740/yr

EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.

Versus 2002: The most efficient configuration stays at 18 MPG. Its annual cost stays at $4,460.

Gas · 4.3L, 5.0L, 5.5L
Combined
14–18 MPG
Per year
$4,460–$5,740

Gas configurations (6)

2003 Mercedes-Benz S-Class gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
S430 (Most efficient) 4.3L 8-cyl RWD 15 22 18 $4,460
S430 4matic 4.3L 8-cyl 4WD 15 20 17 $4,730
S500 5.0L 8-cyl RWD 14 20 16 $5,020
S500 4matic 5.0L 8-cyl 4WD 14 19 16 $5,020
S55 AMG 5.0L 8-cyl supercharged RWD 13 20 15 $5,360
S600 5.5L 12-cyl turbo RWD 12 17 14 $5,740

6 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

2002 Mercedes-Benz S-Class MPG

16–18 MPG · $4,460–$5,020/yr

EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.

Versus 2001: The most efficient configuration stays at 18 MPG. Its annual cost stays at $4,460.

Gas · 4.3L, 5.0L, 5.4L…
Combined
16–18 MPG
Per year
$4,460–$5,020

Gas configurations (4)

2002 Mercedes-Benz S-Class gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
S430 (Most efficient) 4.3L 8-cyl RWD 15 22 18 $4,460
S500 5.0L 8-cyl RWD 14 21 17 $4,730
S55 AMG 5.4L 8-cyl RWD 14 20 17 $4,730
S600 5.8L 12-cyl RWD 13 21 16 $5,020

4 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

2001 Mercedes-Benz S-Class MPG

16–18 MPG · $4,460–$5,020/yr

EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.

Versus 2000: The most efficient configuration stays at 18 MPG. Its annual cost stays at $4,460.

Gas · 4.3L, 5.0L, 5.4L…
Combined
16–18 MPG
Per year
$4,460–$5,020

Gas configurations (4)

2001 Mercedes-Benz S-Class gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
S430 (Most efficient) 4.3L 8-cyl RWD 16 23 18 $4,460
S500 5.0L 8-cyl RWD 14 21 17 $4,730
S55 AMG 5.4L 8-cyl RWD 14 20 17 $4,730
S600 5.8L 12-cyl RWD 14 21 16 $5,020

4 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).

2000 Mercedes-Benz S-Class MPG

17–18 MPG · $4,460–$4,730/yr

EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.

Gas · 4.3L, 5.0L
Combined
17–18 MPG
Per year
$4,460–$4,730

Gas configurations (2)

2000 Mercedes-Benz S-Class gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
S430 (Most efficient) 4.3L 8-cyl RWD 15 22 18 $4,460
S500 5.0L 8-cyl RWD 15 21 17 $4,730

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 S430 4.3L 8-cyl RWD: $5,040 in California and $3,670 in Texas, a $1,370 difference.

Gasoline prices: California: California state average; Washington: Washington state average; New York: New York state average; Florida: Florida state average; Texas: Texas state average (Sep 2026).
Fuel cost in every state

Similar cars

Closest combined MPG among MY2006 large car models.

EPA ratings: fueleconomy.gov file of Sep 29, 2026 · Prices: EIA regular gasoline, U.S. average, Sep 2026 ($4.36/gal) · 15,000 mi/yr, 55% city / 45% highway · How we calculate

Generations

Frequently asked questions

What gas mileage does the 2000-2006 Mercedes-Benz S-Class get?

EPA rates the 2000-2006 Mercedes-Benz S-Class at 13–19 MPG combined across 36 configurations and 7 model years. The most efficient version, the 2006 S430 4.3L 8-cyl RWD, is rated 19 MPG (16 city, 24 highway).

Which years had the best MPG in the 2000-2006 Mercedes-Benz S-Class?

The S430 4.3L 8-cyl RWD reached the generation's best combined rating, 19 MPG, in 2004, 2005 and 2006. The lowest top rating, 18 MPG, was in 2000, 2001, 2002 and 2003.

Did EPA ratings change during the 2000-2006 Mercedes-Benz S-Class?

Yes. Ratings changed in 2001, 2002, 2003, 2004, 2005 and 2006.

How much does it cost to fuel a 2006 Mercedes-Benz S-Class per year?

Driving 15,000 miles a year at premium gasoline $5.36/gal (U.S. average, Sep 2026), the S430 4.3L 8-cyl RWD costs about $4,230 a year. Across all 8 configurations the cost runs $4,230–$6,180 a year. That is a $1,950 difference between the cheapest and the costliest configuration.

How much does it cost to drive a 2006 Mercedes-Benz S-Class 100 miles?

About $28.20 per 100 miles for the S430 4.3L 8-cyl RWD at premium gasoline $5.36/gal (U.S. average, Sep 2026), and between $28.20 and $41.20 across all configurations. That is the annual cost over 15,000 miles divided by 150.

Is the 2006 Mercedes-Benz S-Class more efficient in the city or on the highway?

The S430 4.3L 8-cyl RWD is rated 16 city and 24 highway MPG, so it is more efficient on the highway, by 8 MPG.

How does the 2006 Mercedes-Benz S-Class compare with other large car configurations?

The S430 4.3L 8-cyl RWD costs about $4,230 a year to fuel, $600 more than the class median of $3,630, and less than 4 of 10 large car configurations. The comparison covers all 73 rated large car configurations for MY2006, not weighted by sales.

Is the 2006 Mercedes-Benz S-Class different from the 2005 model?

The most efficient configuration stays at 19 MPG. Its annual cost stays at $4,230. EPA lists 8 configurations for 2006 against 6 configurations for 2005. See the 2005 Mercedes-Benz S-Class for that year.