MERCEDES-BENZ SLK (2004-08) 55 AMG ROADSTER 5.5 360 7SPD AUTO

Buyer's Guide & Data from our Checks

The MERCEDES-BENZ SLK (2004-08) 55 AMG ROADSTER 5.5 360 7SPD AUTO is a compact, two-seat convertible sports car at the premium, high-performance end of the UK roadster market. Its folding hard roof adds year-round practicality, while the AMG badge sets it apart from ordinary SLK models. It is a special-interest choice, not a family car.

With a 5.5-litre V8 and 360 horsepower, this automatic SLK delivers effortless acceleration and a distinctive, muscular feel. It suits enthusiasts seeking weekend drives, not budget-conscious commuters, as fuel use and upkeep can exceed smaller roadsters. Against BMW Z4 and Porsche Boxster rivals, its V8 is the major key draw.

mycarcheck.com has recorded 805 checks across 263 individual cars, a useful sample for this niche performance model. Checks show an average private-sale value of £6,600, 81,000 miles and 2,000 miles driven annually; owners average 5.3 previous keepers. These figures offer context, but condition and history matter greatly when buying used.

Considering a Mercedes SLK 55 AMG? Outstanding finance, write-offs, hidden damage, mileage discrepancies or theft could turn a dream car into a costly mistake. Enter the reg now and check before you commit.

Key Findings

The following statistics are drawn from our checks of 263 different vehicles, run between February 20th 2021 and October 31st 2026. These real-world insights provide context for this vehicle's place in the market, as well as its typical usage.

805
Lookups

30
Hidden Histories

85k
Average Mileage

£6,600
Average Valuation