Mercedes CLS63 AMG Biturbo 4-Matic (2015on) – RENNtech Intermediate ECU upgrade

Description

RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980’s! Their experience, countless hours of in house research, development and exhaustive testing ensure that their 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.

CLS 63 AMG (C218 – M157 Biturbo 4-MATIC Engine) Stock Performance:

• CLS 63 AMG:
• 550 HP @ 5,250-5,750 RPM; 531 LB-FT @ 1,750-5,000 RPM

• CLS 63 AMG S:
• 577 HP @ 5,500 RPM; 590 LB-FT @ 2,000-4,500 RPM

• Note: Mercedes M157 engine performance when measured obtains higher numbers that rated from factory.

Modified Performance:

• CLS 63 AMG:
• 671 HP @ 5,550 RPM; 789 LB-FT @ 2,750-4,000 RPM

• CLS 63 AMG S:
• 671 HP @ 5,550 RPM; 789 LB-FT @ 2,750-4,000 RPM