Description

RENNtech HHT ECU Upgrade for G 550 (W463- 402 HP / 405 LB-FT)

RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980’s! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability.

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.

G 550 (W463) Stock Performance:
– 382 HP @ 6000 RPM; 391 LB-FT @ 2800-4800 RPM

Modified Peformance:
– 402 HP @ 6000 RPM; 405 LB-FT @ 2800 RPM

Gains:
– +20 HP / +14 LB-FT

Notes: This part may be considered a Special Order if custom-made, low volume, or not something we generally stock. There may be a cost for Air Freight, Customs, Taxes, and Duties. Your card will not be charged during Checkout; only an Authorization will be obtained. If necessary, we will contact you with details before processing the order.  Please review our Terms & Conditions before ordering.