RENNtech ECU+ Upgrade | S212 | E 63 AMG | Wagon | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo | MY2012-13 downpipe RENNtech Carbon Fiber Bubble Top

RENNtech Carbon Fiber Bubble Top Air Box for M113 Mercedes Engines

glove compartment

carbon layout

The maximum power number reached with the RENNtech ECU Upgrade for the GLC63 and GLC63 S AMG 4MATIC+ is 601 HP and 644 LB-FT

Gains: +40HP & +70LB-FT

RENNtech ECU+ Upgrade | S212 | E 63 AMG | Wagon | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo | MY2012-13 downpipe RENNtech Carbon Fiber Bubble TopECU+ Upgrade 669HP 734TQ Gains: +119HP +190TQ 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 reflashed