Customers soon (July 2003) will be able to order the SL55 AMG Performance Package on new car orders.
The order code for dealers is 030.
Retrofitting might be possible for older SL55 AMG models but right now it seems that you have to be a member of the german AMG Owner's Club to get a retrofit.

The price is 11.020,00 EUR incl. 16% tax and includes the following modifications compared to the standard production SL55 AMG:

  • AMG Safety Car Style front bumper with larger air vents
  • Large Oil cooler
  • modified (sportier) setup of the SL 55 suspension, based on ABC
  • new brake disc with 380 mm diameter in the front including a new ESP setup
  • 19" AMG Style IV multi-piece rims (front 8,5 x 19 255 35 R19 Offset 30 and rear 9,5 x 19 285 30 R19 Offset 31)
  • Speed limit raised from 250 to 300 kph

This offer is actually a bargain and should substantially improve the SL55's track performance as some of the above components of the Performance Package are derived from the SL55 AMG 2002 safety car.

Caution: it seems that right now, this Performance Package is available to german customers only.
More details and maybe pictures to come around end of June.