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Mercedes-Benz S-Class vs. Mercedes-Benz SLK Fuel Economy (km/L)

Chart is based on 22 fuel economy reports for the Mercedes-Benz S-Class and 18 fuel economy reports for the Mercedes-Benz SLK.

Mercedes-Benz S-Class km/L

Mercedes-Benz S-Class Mercedes-Benz S-Class 2007 51.3 MPG Highway Percentage 45 percent Mercedes-Benz S-Class Mercedes-Benz S-Class 2007 58.8 MPG Highway Percentage 70 percent Mercedes-Benz S-Class Mercedes-Benz S-Class 2006 58.0 MPG Highway Percentage 98 percent Mercedes-Benz S-Class Mercedes-Benz S-Class 2006 55.3 MPG Highway Percentage 80 percent Mercedes-Benz S-Class Mercedes-Benz S-Class 2006 54.1 MPG Highway Percentage 85 percent Mercedes-Benz S-Class Mercedes-Benz S-Class 2004 46.7 MPG Highway Percentage 47 percent Mercedes-Benz S-Class Mercedes-Benz S-Class 2004 56.5 MPG Highway Percentage 80 percent Mercedes-Benz S-Class Mercedes-Benz S-Class 2003 27.4 MPG Highway Percentage 68 percent Mercedes-Benz S-Class Mercedes-Benz S-Class 2003 41.5 MPG Highway Percentage 71 percent Mercedes-Benz S-Class Mercedes-Benz S-Class 2002 45.9 MPG Highway Percentage 29 percent Mercedes-Benz S-Class Mercedes-Benz S-Class 2001 5.0 MPG Highway Percentage 0 percent Mercedes-Benz S-Class Mercedes-Benz S-Class 2000 56.3 MPG Highway Percentage 82 percent
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd km/L
2007 4dr Sedan, ext. 382-horsepower 5.5L V8
7-speed shiftable automatic RWD
flat med none 5 15 35 45 62 51.3  
2007 4dr Sedan, ext. 382-horsepower 5.5L V8
7-speed shiftable automatic AWD
flat light none 10 10 10 70 65 58.8  
2006 4dr Sedan, ext. 302-horsepower 5.0L V8
7-speed shiftable automatic RWD
flat med hvy 1 1 0 98 78 58.0  
2006 4dr Sedan, ext. 302-horsepower 5.0L V8
5-speed shiftable automatic AWD
flat light none 0 0 20 80 65 55.3  
2006 4dr Sedan, ext. 275-horsepower 4.3L V8
7-speed shiftable automatic RWD
flat light hvy 0 15 0 85 60 54.1  
2004 4dr Sedan, ext. 302-horsepower 5.0L V8
5-speed shiftable automatic AWD
flat med none 1 45 8 47 80 46.7  
2004 4dr Sedan, ext. 275-horsepower 4.3L V8
7-speed shiftable automatic RWD
flat med hvy 0 2 18 80 75 56.5  
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2003 4dr Sedan, ext. turbocharged 493hp 5.5L V12
5-speed shiftable automatic RWD
flat light light 7 11 15 68 108 27.4  
2003 4dr Sedan, ext. 275-horsepower 4.3L V8
5-speed shiftable automatic RWD
flat med hvy 6 12 12 71 70 41.5  
2002 4dr Sedan, ext. 275-horsepower 4.3L V8
5-speed shiftable automatic RWD
flat med hvy 13 6 54 29 68 45.9  
2001 4dr Sedan, ext. 302-horsepower 5.0L V8
5-speed shiftable automatic RWD
flat med none 20 80 0 0 0 5.0  
2000 4dr Sedan, ext. 275-horsepower 4.3L V8
5-speed shiftable automatic RWD
flat v.lt light 0 7 11 82 62 56.3  

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Mercedes-Benz SLK km/L

Mercedes-Benz SLK Mercedes-Benz SLK 2009 9.3 MPG Highway Percentage 70 percent Mercedes-Benz SLK Mercedes-Benz SLK 2009 49.4 MPG Highway Percentage 50 percent Mercedes-Benz SLK Mercedes-Benz SLK 2008 59.9 MPG Highway Percentage 80 percent Mercedes-Benz SLK Mercedes-Benz SLK 2007 41.4 MPG Highway Percentage 68 percent Mercedes-Benz SLK Mercedes-Benz SLK 2006 55.0 MPG Highway Percentage 85 percent Mercedes-Benz SLK Mercedes-Benz SLK 2006 58.0 MPG Highway Percentage 60 percent Mercedes-Benz SLK Mercedes-Benz SLK 2005 54.6 MPG Highway Percentage 53 percent Mercedes-Benz SLK Mercedes-Benz SLK 2005 56.5 MPG Highway Percentage 90 percent Mercedes-Benz SLK Mercedes-Benz SLK 2003 61.7 MPG Highway Percentage 79 percent Mercedes-Benz SLK Mercedes-Benz SLK 2001 59.6 MPG Highway Percentage 50 percent
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd km/L
2009 2dr Hardtop conv. 355-horsepower 5.4L V8
7-speed shiftable automatic RWD
flat med light 0 10 20 70 100 9.3  
2009 2dr Hardtop conv. 300-horsepower 3.5L V6
7-speed shiftable automatic RWD
flat med hvy 0 5 45 50 65 49.4  
2008 2dr Hardtop conv. 268-horsepower 3.5L V6
7-speed shiftable automatic RWD
mtns lead light 5 5 10 80 75 59.9  
2007 2dr Hardtop conv. 228-horsepower 3.0L V6
7-speed shiftable automatic RWD
flat med none 13 13 8 68 95 41.4  
2006 2dr Hardtop conv. 355-horsepower 5.4L V8
7-speed shiftable automatic RWD
flat light light 2 10 3 85 70 55.0  
2006 2dr Hardtop conv. 228-horsepower 3.0L V6
7-speed shiftable automatic RWD
flat med hvy 10 10 20 60 70 58.0  
2005 2dr Hardtop conv. 268-horsepower 3.5L V6
7-speed shiftable automatic RWD
flat med light 10 25 12 53 66 54.6  
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2005 2dr Hardtop conv. 268-horsepower 3.5L V6
6-speed manual RWD
flat lead none 0 0 10 90 75 56.5  
2003 2dr Hardtop conv. supercharged 192hp 2.3L I4
5-speed shiftable automatic RWD
flat med light 0 5 16 79 72 61.7  
2001 2dr Hardtop conv. 215-horsepower 3.2L V6
5-speed shiftable automatic RWD
flat med light 1 15 35 50 63 59.6  

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This page shows only averages. See all the Mercedes-Benz SLK fuel economy data.

Mercedes-Benz S-Class vs. Mercedes-Benz SLK Fuel Economy (km/L)

Unlike other fuel economy surveys, TrueDelta's Real-World Gas Mileage Survey includes questions about how and where a car was driven. So you can get an idea of the Mercedes-Benz S-Class and Mercedes-Benz SLK's where a car was driven. So you can get an idea of their real-world km/L based on how and where you drive a car.

See TrueDelta's information for all Sedans, Coupes, and Convertibles.
See TrueDelta's information for all Mercedes-Benz models.

What Our Members Are Saying about the Real Gas Mileage of the Mercedes-Benz S-Class

Mercedes-Benz S-Class Real Gas Mileage: Pros
YearBody/PowertrainComment
2007 4dr Sedan, ext. 382-horsepower 5.5L V8
7-speed shiftable automatic RWD
Since my driving is about 50-50 city and highway, I average about 20-21 mpg, using premium fuel. All highway is 29-30mpg and all city is 14-15mpg. see full Mercedes-Benz S-Class review
2007 0 While on long trips at 70-80mph I average 32mpg around town it never goes better than 24mpg. Easy on the pedal sure shows results but fully loaded the thing shifts like a two door sports. see full Mercedes-Benz S-Class review
Mercedes-Benz S-Class Real Gas Mileage: Cons
YearBody/PowertrainComment
2007 4dr Sedan turbocharged 232hp 3.0L V6 Diesel
7-speed shiftable automatic RWD
Very, very expensive see full Mercedes-Benz S-Class review
2007 4dr Sedan, ext. 382-horsepower 5.5L V8
7-speed shiftable automatic RWD
Driving it in a lot of stop and go traffic it drinks gas. see full Mercedes-Benz S-Class review
2007 0 Fuel cost are a killer and servicing requires finding an allternative to the Mercedes Garage see full Mercedes-Benz S-Class review
2001 4dr Sedan, ext. 302-horsepower 5.0L V8
5-speed shiftable automatic RWD
20l/100km but its still worth it see full Mercedes-Benz S-Class review
 

What Our Members Are Saying about the Real Gas Mileage of the Mercedes-Benz SLK

Mercedes-Benz SLK Real Gas Mileage: Cons
YearBody/PowertrainComment
2005 2dr Hardtop conv. 355-horsepower 5.4L V8
7-speed shiftable automatic RWD
clearly AMG was not thinking gas mileage at all when they built this engine see full Mercedes-Benz SLK review