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|2003||2003 2dr Hardtop conv. supercharged 192hp 2.3L I4 5-sp shiftable automatic RWD||26.25||
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|With the turbocharged 310hp 2.7L I4 engine, 8-speed shiftable automatic transmission, and four-wheel drive w/low range, the 2003 Mercedes-Benz SLK has been averaging 26.25 MPG (miles per gallon).
The 2003 Mercedes-Benz SLKs in this analysis were driven mostly on the highway at an average speed of 72 miles per hour (about 79.3 percent of the miles driven). The rest of the miles were in the city (5.3 percent), in the suburbs (0 percent), and in heavy traffic (0 percent).
In addition, the average 2003 Mercedes-Benz SLK in this analysis was driven on flat terrain with a medium foot and the AC on only some of the time.