Description

RENNtech ECU Upgrade G 63 (W463 – 635HP/620TQ – M157 Engine)

– RENNtech ECU Upgrade for 463 – G 63 AMG. Up to 635HP and 620TQ.
– Gains: +99HP & +60TQ
– RENNtech M157 Biturbo ECU Upgrades area TUV approved!

Our proprietary ECU upgrade for the Mercedes M157 engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability.

G63 (W463) M157 Bi Turbo-Stock Performance:
– 536 HP @ 5500 RPM
– 560 LB-FT @ 4800 RPM

Modified Performance:
– 635 HP @ 5500 RPM
– 620 LB-FT @ 3800 RPM

 
Note: We have found the new M157 engine stock performance numbers vary from the baseline figures claimed by Mercedes-Benz. We typically see slightly higher baseline numbers than claimed by the factory.

Notes: This part may be considered a Special Order if custom-made, low volume, or not something we generally stock. There may be a cost for Air Freight, Customs, Taxes, and Duties. Your card will not be charged during Checkout; only an Authorization will be obtained. If necessary, we will contact you with details before processing the order.  Please review our Terms & Conditions before ordering.