RENNtech ECU Hand Held Tuner (HHT) for SLK 55 | R171 | 380 HP / 395 TQ | MY2005-2009

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Description

RENNtech ECU Hand Held Tuner (HHT) for SLK 55 | R171 | 380 HP / 395 TQ | MY2005-2009RENNtech ECU HHT (HandHeldTuner) for the R171 SLK 55 AMG. Up to 380HP and 395 LB FT TQ. Gains: +18HP & +17TQ. 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.

Crank Performance Numbers are calculated with a 18% Drivetrain loss on the 4-MATIC vehicles

Rated by RENNtech (peak @crank): 783 HP @ 5

creating a more balanced and stabilized driving feel for the car

The RENNtech Lower Control Arm give the best improvment in combinatino with the RENNtech Toe Link Kit

Gains: +18HP & +17TQ

structural laminates with controllable and predictable results

MY2007 - 2020 Tuned via RENNtech HHT | Hand-Held Tuner

461 sec 11

450 LB-FT @ 2

Crank Performance Numbers are calculated with a 17% Drivetrain loss on 4MATIC vehicles

rolling resistance

S55 AMG Kompressor (W220 | M113 | 5