RENNtech ECU+ Upgrade | X253 | GLC 43 AMG | SUV | 416 HP / 460 LB-FT | M276 | 3.0L V6 BiTurbo | MY2016+ mercedes-benz-sl-class--231---2017-present--sl63-amg-esr2518058 In order to make the

In order to make the extractors fully functional

0L V6 Turbo Diesel) Stock Performance (at crank):

gaining up to +90 HP and +106 TQ

614 LB-FT @ 4

RENNtech ECU+ Upgrade | X253 | GLC 43 AMG | SUV | 416 HP / 460 LB-FT | M276 | 3.0L V6 BiTurbo | MY2016+ mercedes-benz-sl-class--231---2017-present--sl63-amg-esr2518058 In order to make theRENNtech ECU Plus Upgrade for X253 GLC 43 AMG SUV. The ECU Plus Upgrade brings the GLC 43 AMG SUV up to 416 HP and 460 LB FT. Gains: +41 HP and +62 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