RENNtech ECU+ Upgrade | C218 | CLS 550 | 540HP / 705LB-FT | 4.7L V8 BiTurbo | M278 | MY2012-2014

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Description

RENNtech ECU+ Upgrade | C218 | CLS 550 | 540HP / 705LB-FT | 4.7L V8 BiTurbo | M278 | MY2012-2014ECU+ Upgrade 540HP 705LB FT Gains: +105HP +262LB FT RENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal! Our proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be

Gains: +11HP & 14LB-FT

Jaguar F Type SVR (X152) 2018+

C217 - S-Class Coupe S550

CLS 63 AMG (C218 | FL MY2015+ | 4MATIC | M157 | 5

Our three-piece full carbon fiber front splitter for the CLS 63 Biturbo is the end result of countless hours of in-house design

Gains: +73HP & +85TQ

The ECU Plus Upgrade brings the R172 - SLC 43 AMG up to 416 HP and 460 LB-FT

Up to 536HP and 552LB-FT

S63 AMG Sedan | MY2018+

creating a smooth and durable high gloss finish

the following states can not be supplied with the full power Upgrade: AZ

580 LB-FT @ 3