2006 Mercedes-Benz SLK Coupe (R171) Dimensions, Size & Specs

The curb weight of the Mercedes-Benz SLK Coupe (R171) from 2006 to 2008 is approximately 1420 kg, which is around 3131 pounds. The maximum permissible weight, including passengers, cargo, and fluids, is 1790 kg or about 3946 pounds. This relatively lightweight construction benefits the car’s agility and fuel efficiency while the maximum weight capacity ensures safe carrying limits while maintaining optimal vehicle dynamics.

The Mercedes-Benz SLK Coupe (R171) offers a luggage capacity of 208 liters (about 7.3 cubic feet). This is modest but practical for a compact sporty coupe, allowing space for essentials like a weekend bag or small suitcases. While it’s not built for large cargo, the storage volume suits the lifestyle of a sporty two-seater, balancing performance with everyday usability.

The roof load capacity of the Mercedes-Benz SLK Coupe (R171) is 50 kg, equivalent to about 110 pounds. This means you can safely place roof racks or light cargo such as bicycles or small luggage on the roof without compromising vehicle stability or safety. However, due to the coupe’s sleek design and aerodynamic shape, it’s advisable to use this capacity sparingly to avoid affecting driving dynamics or fuel efficiency.

The Mercedes-Benz SLK Coupe (R171) utilizes two different tire sizes for optimal performance: the front tires are sized 235/35 R19 ZR, while the rear tires are wider, sized 265/30 R19 ZR. The use of staggered tire sizes with larger, wider rear tires enhances grip and handling balance, especially for rear-wheel-drive dynamics. The ‘ZR’ rating indicates these are high-performance tires suitable for sporty driving.

Yes, the Mercedes-Benz SLK Coupe (R171) fits comfortably into a standard residential garage. With an overall length of 4087 mm (161 inches) and width of 1794 mm (70.6 inches), it is compact enough for most garages without needing special accommodations. The vehicle’s relatively low height of 1271 mm (50 inches) also ensures ease of parking in spaces with standard height clearance, making the SLK practical for everyday urban and suburban use.

Compared to the R170 SLK generation, the R171 models like the 2006-2008 SLK Coupe are slightly larger and more refined in dimensions. The R171 has a length of 4087 mm compared to the roughly 3990 mm length of the earlier R170. The width also grew from approximately 1742 mm to 1794 mm. These dimensional increases contributed to better cabin space, improved road presence, and enhanced stability. Overall, the R171 offers a more mature, sporty, and comfortable design, while maintaining the compact sports coupe characteristics of its predecessor.

In the sporty compact coupe segment, the Mercedes-Benz SLK Coupe (R171) offers a competitive size and performance profile. Its length of 4087 mm and width of 1794 mm position it closely to rivals like the Porsche Boxster and BMW Z4 of the same era. The SLK’s relatively light weight (1420 kg) and powerful engine options provide a dynamic driving experience. Compared to competitors, the SLK emphasizes a blend of luxury, compact dimensions, and sportiness, with a distinct hardtop convertible design (roof versions aside) that appeals to enthusiasts seeking style coupled with practicality within the premium segment.

The SLK Coupe (R171) is a two-seater sports car designed primarily for driving pleasure rather than interior spaciousness. While the exterior dimensions are compact, the cabin layout is efficient, providing adequate legroom and headroom for the driver and passenger. However, as a compact coupe, it does not offer rear seats or extensive interior storage. The focus remains on delivering a snug, ergonomic cockpit with premium materials rather than spaciousness, fitting the sporty and luxury ethos of this Mercedes-Benz model.

The relatively compact size and moderate curb weight (1420 kg) of the Mercedes-Benz SLK Coupe (R171) contribute significantly to its agile handling and responsive driving characteristics. Its low height (1271 mm) lowers the center of gravity, improving cornering stability and control. The car’s width at 1794 mm helps provide solid road grip and lateral stability. Combined with a rear-wheel-drive layout and staggered tire sizes, the SLK delivers precise, sporty handling that is well-suited for spirited driving while maintaining comfort and safety expected from a premium coupe.