Mercedes-Benz SLK Gas Mileage (MPG)
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 SLK's real-world MPG based on how and where you drive a car.
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Mercedes-Benz SLK
Mercedes-Benz SLK Gas Mileage
| 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 | MPG |
| 2009 | 2dr Hardtop conv. 355-horsepower 5.4L V8 7-speed shiftable automatic RWD |
flat | med | light | 0 | 10 | 20 | 70 | 62 | 21.8 |
| 2009 | 2dr Hardtop conv. 355-horsepower 5.4L V8 7-speed shiftable automatic RWD |
flat | med | light | 0 | 10 | 20 | 70 | 62 | 21.8 |
| Averages | flat | med | light | 0 | 10 | 20 | 70 | 62 | 21.8 | |
| With the 355-horsepower 5.4L V8 engine, 7-speed shiftable automatic transmission, and rear-wheel drive, 2009 Mercedes-Benz SLK fuel economy has been averaging
21.8 MPG (miles per gallon). The 2009 Mercedes-Benz SLKs in this analysis were driven mostly on the highway at an average speed of 62 miles per hour (about 70 percent of the miles driven). The rest of the miles were in the suburbs (20 percent), in the city (10 percent), and in heavy traffic (0 percent). In addition the average 2009 Mercedes-Benz SLK in this analysis was driven on flat terrain with a medium foot and the AC on only some of the time. |
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| 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 | MPG |
| 2009 | 2dr Hardtop conv. 300-horsepower 3.5L V6 7-speed shiftable automatic RWD |
flat | med | hvy | 0 | 5 | 45 | 50 | 65 | 21.0 |
| 2009 | 2dr Hardtop conv. 300-horsepower 3.5L V6 7-speed shiftable automatic RWD |
flat | med | hvy | 0 | 5 | 45 | 50 | 65 | 21.0 |
| Averages | flat | med | hvy | 0 | 5 | 45 | 50 | 65 | 21.0 | |
| With the 300-horsepower 3.5L V6 engine, 7-speed shiftable automatic transmission, and rear-wheel drive, the 2009 Mercedes-Benz SLK has been averaging
21.0 MPG (miles per gallon). The 2009 Mercedes-Benz SLKs in this analysis were driven mostly on the highway at an average speed of 65 miles per hour (about 50 percent of the miles driven). The rest of the miles were in the suburbs (45 percent), in the city (5 percent), and in heavy traffic (0 percent). In addition the average 2009 Mercedes-Benz SLK in this analysis was driven on flat terrain with a medium foot and the AC on most or all of the time. |
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| 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 | MPG |
| 2008 | 2dr Hardtop conv. 268-horsepower 3.5L V6 7-speed shiftable automatic RWD |
mtns | lead | light | 5 | 5 | 10 | 80 | 75 | 25.5 |
| 2008 | 2dr Hardtop conv. 268-horsepower 3.5L V6 7-speed shiftable automatic RWD |
mtns | lead | light | 5 | 5 | 10 | 80 | 75 | 25.5 |
| Averages | mtns | lead | light | 5 | 5 | 10 | 80 | 75 | 25.5 | |
| With the 268-horsepower 3.5L V6 engine, 7-speed shiftable automatic transmission, and rear-wheel drive, 2008 Mercedes-Benz SLK gas mileage has been averaging
25.5 MPG (miles per gallon). The 2008 Mercedes-Benz SLKs in this analysis were driven mostly on the highway at an average speed of 75 miles per hour (about 80 percent of the miles driven). The rest of the miles were in the suburbs (10 percent), in heavy traffic (5 percent), and in the city (5 percent). In addition the average 2008 Mercedes-Benz SLK in this analysis was driven on mountainous terrain with a lead foot and the AC on only some of the time. |
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| 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 | MPG |
| 2007 | 2dr Hardtop conv. 228-horsepower 3.0L V6 7-speed shiftable automatic RWD |
flat | light | none | 0 | 0 | 5 | 95 | 70 | 31.6 |
| flat | med | none | 25 | 25 | 10 | 40 | 74 | 19.6 | ||
| 2007 | 2dr Hardtop conv. 228-horsepower 3.0L V6 7-speed shiftable automatic RWD |
flat | med | none | 13 | 13 | 8 | 68 | 72 | 25.6 |
| Averages | flat | med | none | 13 | 13 | 8 | 68 | 72 | 25.6 | |
| With the 228-horsepower 3.0L V6 engine, 7-speed shiftable automatic transmission, and rear-wheel drive, 2007 Mercedes-Benz SLK fuel economy has been averaging
25.6 MPG (miles per gallon). The 2007 Mercedes-Benz SLKs in this analysis were driven mostly on the highway at an average speed of 72 miles per hour (about 68 percent of the miles driven). The rest of the miles were in the city (13 percent), in heavy traffic (13 percent), and in the suburbs (8 percent). In addition the average 2007 Mercedes-Benz SLK in this analysis was driven on flat terrain with a medium foot and the AC not used at all. |
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| 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 | MPG |
| 2006 | 2dr Hardtop conv. 355-horsepower 5.4L V8 7-speed shiftable automatic RWD |
flat | light | light | 2 | 10 | 3 | 85 | 70 | 23.4 |
| 2006 | 2dr Hardtop conv. 355-horsepower 5.4L V8 7-speed shiftable automatic RWD |
flat | light | light | 2 | 10 | 3 | 85 | 70 | 23.4 |
| Averages | flat | light | light | 2 | 10 | 3 | 85 | 70 | 23.4 | |
| With the 355-horsepower 5.4L V8 engine, 7-speed shiftable automatic transmission, and rear-wheel drive, the 2006 Mercedes-Benz SLK has been averaging
23.4 MPG (miles per gallon). The 2006 Mercedes-Benz SLKs in this analysis were driven mostly on the highway at an average speed of 70 miles per hour (about 85 percent of the miles driven). The rest of the miles were in the city (10 percent), in the suburbs (3 percent), and in heavy traffic (2 percent). In addition the average 2006 Mercedes-Benz SLK in this analysis was driven on flat terrain with a light foot and the AC on only some of the time. |
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| 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 | MPG |
| 2006 | 2dr Hardtop conv. 228-horsepower 3.0L V6 7-speed shiftable automatic RWD |
flat | med | hvy | 10 | 10 | 20 | 60 | 70 | 24.2 |
| flat | med | hvy | 10 | 10 | 20 | 60 | 70 | 25.1 | ||
| 2006 | 2dr Hardtop conv. 228-horsepower 3.0L V6 7-speed shiftable automatic RWD |
flat | med | hvy | 10 | 10 | 20 | 60 | 70 | 24.7 |
| Averages | flat | med | hvy | 10 | 10 | 20 | 60 | 70 | 24.7 | |
| With the 228-horsepower 3.0L V6 engine, 7-speed shiftable automatic transmission, and rear-wheel drive, 2006 Mercedes-Benz SLK gas mileage has been averaging
24.7 MPG (miles per gallon). The 2006 Mercedes-Benz SLKs in this analysis were driven mostly on the highway at an average speed of 70 miles per hour (about 60 percent of the miles driven). The rest of the miles were in the suburbs (20 percent), in heavy traffic (10 percent), and in the city (10 percent). In addition the average 2006 Mercedes-Benz SLK in this analysis was driven on flat terrain with a medium foot and the AC on most or all of the time. |
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| 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 | MPG |
| 2005 | 2dr Hardtop conv. 268-horsepower 3.5L V6 7-speed shiftable automatic RWD |
flat | light | light | 5 | 0 | 5 | 90 | 60 | 29.9 |
| flat | med | light | 29 | 33 | 0 | 38 | 70 | 25.0 | ||
| flat | med | light | 6 | 6 | 13 | 75 | 75 | 17.8 | ||
| flat | med | hvy | 0 | 60 | 30 | 10 | 60 | 20.1 | ||
| 2005 | 2dr Hardtop conv. 268-horsepower 3.5L V6 7-speed shiftable automatic RWD |
flat | med | light | 10 | 25 | 12 | 53 | 66 | 23.2 |
| Averages | flat | med | light | 10 | 25 | 12 | 53 | 66 | 23.2 | |
| With the 268-horsepower 3.5L V6 engine, 7-speed shiftable automatic transmission, and rear-wheel drive, 2005 Mercedes-Benz SLK fuel economy has been averaging
23.2 MPG (miles per gallon). The 2005 Mercedes-Benz SLKs in this analysis were driven mostly on the highway at an average speed of 66 miles per hour (about 53 percent of the miles driven). The rest of the miles were in the city (25 percent), in the suburbs (12 percent), and in heavy traffic (10 percent). In addition the average 2005 Mercedes-Benz SLK in this analysis was driven on flat terrain with a medium foot and the AC on only some of the time. |
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| 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 | MPG |
| 2005 | 2dr Hardtop conv. 268-horsepower 3.5L V6 6-speed manual RWD |
flat | lead | none | 0 | 0 | 10 | 90 | 75 | 24.0 |
| 2005 | 2dr Hardtop conv. 268-horsepower 3.5L V6 6-speed manual RWD |
flat | lead | none | 0 | 0 | 10 | 90 | 75 | 24.0 |
| Averages | flat | lead | none | 0 | 0 | 10 | 90 | 75 | 24.0 | |
| With the 268-horsepower 3.5L V6 engine, 6-speed manual transmission, and rear-wheel drive, the 2005 Mercedes-Benz SLK has been averaging
24.0 MPG (miles per gallon). The 2005 Mercedes-Benz SLKs in this analysis were driven mostly on the highway at an average speed of 75 miles per hour (about 90 percent of the miles driven). The rest of the miles were in the suburbs (10 percent), in heavy traffic (0 percent), and in the city (0 percent). In addition the average 2005 Mercedes-Benz SLK in this analysis was driven on flat terrain with a lead foot and the AC not used at all. |
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| 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 | MPG |
| 2001 | 2dr Hardtop conv. 215-horsepower 3.2L V6 5-speed shiftable automatic RWD |
flat | med | hvy | 0 | 10 | 40 | 50 | 60 | 24.0 |
| flat | light | none | 1 | 20 | 29 | 50 | 65 | 26.7 | ||
| 2001 | 2dr Hardtop conv. 215-horsepower 3.2L V6 5-speed shiftable automatic RWD |
flat | med | light | 1 | 15 | 35 | 50 | 63 | 25.4 |
| Averages | flat | med | light | 1 | 15 | 35 | 50 | 63 | 25.4 | |
| With the 215-horsepower 3.2L V6 engine, 5-speed shiftable automatic transmission, and rear-wheel drive, 2001 Mercedes-Benz SLK gas mileage has been averaging
25.4 MPG (miles per gallon). The 2001 Mercedes-Benz SLKs in this analysis were driven mostly on the highway at an average speed of 63 miles per hour (about 50 percent of the miles driven). The rest of the miles were in the suburbs (35 percent), in the city (15 percent), and in heavy traffic (1 percent). In addition the average 2001 Mercedes-Benz SLK in this analysis was driven on flat terrain with a medium foot and the AC on only some of the time. |
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What Our Members Are Saying about the Real Mercedes-Benz SLK MPG
| Mercedes-Benz SLK Fuel Economy: Cons | ||
| Year | Body/Powertrain | Comment |
| 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 |
