In Stock

RENNtech ECU Upgrade for 463 – G 550. Up to 402HP and 405TQ


> Compare Products
SKU: ECU:54.463.G550 Categories: , ,


RENNtech ECU Upgrade for G 550 (W463- 402 HP / 405 TQ)

Gains: +20HP & 14TQ

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

– +20 HP / +14 LB-FT

Pricing on Special Order items does not include Air Freight, Customs, Taxes, or Duties.


There are no reviews yet.

Be the first to review “RENNtech ECU Upgrade for 463 – G 550. Up to 402HP and 405TQ”

Your email address will not be published. Required fields are marked *