RENNtech ECU Hand Held Tuner (HHT) for CL 600 | C215 | 625 HP / 745 LB-FT | +132HP / +155LB-FT | MY2003-2006 mercedes-benz-amg-gt--192---2023-present--amg-gt-55-esr6223251

RENNtech ECU Hand Held Tuner (HHT) for CL 600 | C215 | 625 HP / 745 LB-FT | +132HP / +155LB-FT | MY2003-2006 mercedes-benz-amg-gt--192---2023-present--amg-gt-55-esr6223251RENNtech ECU HHT (HandHeldTuner) for the 215 CL 600. Up to 625HP and 745 LB FT LB FT. Gains: +132HP & +155 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.

ECU+ Upgrade | Up to 773 HP / 778 LB-FT | Gains: +82 HP & +84 LB-FT

0L V6 BiTurbo) Stock Performance:

ECU+ Upgrade | Up to 669HP / 734LB-FT | Gains: +95HP & +111LB-FT

We have found the M176 engine stock performance numbers vary from the baseline figures claimed by Mercedes Benz

and tested in house at the RENNtech headquarters in Stuart

Up to 392HP and 454LB-FT

E 53 AMG (W213 / S213 -chassis)

optimizing air-to-fuel ratios

Our intermediate ECU tune increases performance from 550 HP and 544 lb/ft torque up to 638 HP and 695 lb/ft at the crank

0L V6 BiTurbo) Modified Performance (at crank):

594 LB-FT @2

CLS 63 AMG (C218 | MY2014 | 4MATIC | M157 | 5