SLK 55 AMG
0-62 mph (100 km/h) quoted at 4.9 seconds (Car & Driver Magazine reported 0-60 mph in 4.3 seconds.)
Increased brake capacity. 345x30mm brake discs (Pre-2008-model-year cars have 6-piston front calipers with perforated and slotted rotors, and 4-piston rear calipers. Later models have a mix of brakes depending on options and market: either the original 6-piston fronts or the 4-piston fronts from the C55. Mercedes made this change not only to cut costs but also to reduce complaints about brake squeal from customers not used to high performance brakes.)
Additional engine oil cooler (behind right-hand bumper vents)
Lowered/stiffened suspension (springs, shocks, sway bars)
18-inch alloy wheels with 225/40 front and 245/35 rear tyres.
AMG body kit, with distinctive gills in front bumpers
Chrome-accented fog lights
Napa leather interior
Quad exhaust
Smoked taillights and CHMSL
2008 facelift included a controller upgrade to the AMG SPEEDSHIFT 7G-TRONIC transmission, shifts 10% faster than previous model.

The second generation Mercedes-Benz SLK, internally designated model R171, is a two-passenger, front-engine, rear-drive, retractable hardtop roadster, unveiled at the 74th Geneva International Motor Show—and manufactured and marketed for model years 2004–2010. Currently in its...