R3 Performance Package for C 63 (W204- 574 HP / 543 LB-FT) mercedes-benz-s-class--223---2021-present--s-580-esr2317499 With the proprietary RENNtech ECU

With the proprietary RENNtech ECU Tuning the C167 - GLE 63 AMG Coupe EQ Boost gains up to +97 HP and +54 LB-FT

The DLM requires no splicing or soldering to the factory wiring harness

and tested using state-of-the-art programs and analysis tools for achieveing an OEM level of quality and fitment at the RENNtech headquarters in Stuart

having minimal impact on the weight distribution and the center of gravity of your car

R3 Performance Package for C 63 (W204- 574 HP / 543 LB-FT) mercedes-benz-s-class--223---2021-present--s-580-esr2317499 With the proprietary RENNtech ECUR3 Performance Package for 204 C 63 AMG. Includes ECU Upgrade, Carbon Fiber Air Box, Upgraded Throttle Body, Long Tube Headers, Limited Slip Differential and Transmission Upgrade. Up to 574HP and 543LB FT. RENNtech performance package 3 is the ultimate upgrade for your 63 AMG! Our package 3 includes everything found in our performance package 2 plus our stainless steel long tube headers for more performance and sound, our 100% locking limited slip