RENNtech ECU Upgrade | X253 | GLC 43 AMG | SUV | 400 HP / 440 LB-FT | M276 | 3.0L V6 BiTurbo | MY2016-2022 porsche-cayenne--92a---2011-2018--turbo-s-esr3230433 Mercedes recommends replacing the discs

Mercedes recommends replacing the discs with every pad change because of the uneven surface

these components utilize factory mounting locations within the rocker panels and a few additional hard attachments are required underneath the rear fascia

5" | Rear: 22" x 10

CLASS E COUPE' (C 207) 500 Blue Efficiency [2 Filters Required] (HP: 408 | Year: 11 > )

Aston Martin

RENNtech ECU Upgrade | X253 | GLC 43 AMG | SUV | 400 HP / 440 LB-FT | M276 | 3.0L V6 BiTurbo | MY2016-2022 porsche-cayenne--92a---2011-2018--turbo-s-esr3230433 Mercedes recommends replacing the discsThe RENNtech ECU upgrade brings the GLC 43 AMG SUV up to 400 HP and 440 LB FT Gains: +25 HP and +42 LB 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.