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Mercedes-Benz SLK MPG
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| Model Year | Body/Powertrain | MPG | |
| 2009 | 2009 2dr Hardtop conv. 355-hp 5.4L V8 7-sp shiftable automatic RWD | 21.8 | See all data |
| With the turbocharged 385hp 3.0L V6 engine, 9-speed shiftable automatic transmission, and rear-wheel drive, the 2009 Mercedes-Benz SLK 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 100 miles per hour (about 70 percent of the miles driven). The rest of the miles were in the city (10 percent), in the suburbs (0 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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| 2009 | 2009 2dr Hardtop conv. 300-hp 3.5L V6 7-sp shiftable automatic RWD | 21 | See all data |
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