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. SLK 55 Sport/030/P30 (an option package on top of the standard SLK 55 AMG) Developed by the AMG PERFORMANCE STUDIO, AMG performance package adds following: Nurburgring suspension Improved pads and rotors (currently the only sure way to get the pre-2008 6-piston front brakes and 4-piston rears). AMG high-performance braking system with composite brake discs at the front wheels. Internally ventilated and perforated composite brake discs (360x32mm) with 6-piston fixed calipers at the front. Internally ventilated and perforated brake discs (330x26mm) with 4-piston fixed calipers at the rear Carbon fibre interior accents AMG 18-inch multi-piece light-alloy wheels in a twin-spoke design, 7.5x18 rim with 225/40R18 tyres at the front and 8.5x18 rim with 245/35R18 tyres at the rear AMG performance steering wheel with smaller diameter, flattened lower section and silver-coloured aluminium shift paddles (plus aluminium trim element) delimited top speed (which is actually now standard on most SLK 55s) As of 2006 AMG has released several new models, but these are not available in all export markets: SLK 55 Asia Cup (Track Sport) Limited to 35 cars LHD and RHD. SLK 55 'F1 Safety Car' SLK 55 AMG Black Series (2006-2008) It is a version with engine upgraded to at 5750 rpm and of torque at 4000 rpm, restyled AMG front apron with large air intakes, additional transmission oil cooler and the high-performance steering gear oil cooler, aluminium front strut brace, new carbon fiber side air outlets, wider carbon fibre reinforced plastic (CFRP) front fenders, CFRP non-retractable hardtop, 19-inch light alloy wheels with 235/35ZR19 front and 265/30ZR19 rear tires (optional sport tires are available without extra charge), black pearl velour AMG sport bucket seats without side airbags, CF trunk spoiler, carbon fibre door panel lining and trim parts. The vehicle has curb weight of , lighter than the basic vehicle. Engine performance increase comes largely from the long tube headers and a revised ECU. The vehicle went on sale in Germany beginning in July 2006 with MSRP of €107,300