Renntech has been a Mercedes tuner since the late 1980’s. They are one of the Go-To companies for anything Mercedes Benz. The company produces many different types of aerodynamic parts, performance parts, ecu tuning, visual upgrades and much more. Their recent release is a ECU tune for the new 3.0 Twin Turbo M276 engine. From the factory this engine puts out 375 HP and 398 lb/ft torque which is quite good, but with two turbos attached, there is plenty more to be had.
With the tune alone you are looking at gains from 40 Horsepower and 60 Torque, this is all software, no hardware necessary. Here are the technical specs from RENNtech:
-RENNtech tuning software for Mercedes offers significant gains in horsepower and torque across the vehicle’s entire power band. By modifying ignition timing and throttle mapping, optimizing air-to-fuel ratios, increasing the engine’s rev limiter and modifying boost mapping for turbo-charged vehicles, RENNtech performance software unleashes the true potential of your Mercedes.
-With the RENNtech ECU Plus Upgrade the W205 – C 43 AMG Sedan gains up to +41 HP and +62 LB-FT, based on power numbers measured by RENNtech. Please note that the Mercedes M276 engine performance when measured, obtains higher numbers than rated from factory. The maximum power number reached with the RENNtech ECU Plus Upgrade for the W205 – C 43 AMG Sedan is 416 HP and 460 LB-FT.
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