RENNTech ECU Upgrade for SLS

RENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicles entire power band. By modifying ignition timing and throttle mapping, optimizing air/ fuel ratios, increasing the engines rev limiter and modifying boost mapping for turbo charged vehicles, RENNtech performance software unleashes your Mercedes true potential.
RENNTech ECU Upgrade for SLS

  • Stock: 563 HP @ 6800 RPM; 479 LB-FT @ 4750 RPM
  • Gains: 593 HP @ 6800 RPM; 495 LB-FT @ 4750 RPM

$2945.00 USD
15 hp
14 lb./ft. torque