R1 Performance Package for SLR McLaren (C199- 722 HP / 715 LB/FT) mercedes-benz-e-class-sedan--211---2003-2009--e-500-esr5460470 the factory brake system is

the factory brake system is set up for everyday use and road driving

We have found the M278 engine stock performance numbers vary from the baseline figures claimed by Mercedes Benz

Gains: +18HP & +17TQ

Includes ECU Upgrade and Stainless Steel Header

R1 Performance Package for SLR McLaren (C199- 722 HP / 715 LB/FT) mercedes-benz-e-class-sedan--211---2003-2009--e-500-esr5460470 the factory brake system isR1 Performance Package for 199 SLR McLaren. Includes ECU Upgrade, upgraded pulley and Dual Intercooler Kit. Up to 722HP and 715TQ. Gains: +98HP & +140TQ RENNtech SLR package 1 contains our proprietary ECU Upgrade, upgraded pulley and dual intercooler pump kit. SLR Stock Performance: 626 HP @ 6500 RPM; 575 LB FT @ 3250 5000 RPM Modified Performance: 722 HP @ 6400 RPM 715 LB FT @ 4000 RPM Gains: +98 HP +140 LB FT