RENNtech ECU Hand Held Tuner (HHT) for CLK 500 C209 | 320 HP / 355 LB-FT | MY2003-2006

Thoughtful delivery service

Easy 30 day returns

Certified Reviews

Description

RENNtech ECU Hand Held Tuner (HHT) for CLK 500 C209 | 320 HP / 355 LB-FT | MY2003-2006RENNtech ECU HHT (HandHeldTuner) for the 209 CLK 500. Up to 320HP and 339 LB FT LB FT. Gains: +18HP & +16LB 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.

590 LB-FT @ 2

354 HP @ 5500 RPM

M176/177/178

This combination of high quality

RENNtech’s engineering and design teams had one clear objective

ECU+ Upgrade | 523HP / 583TQ | Gains: +102 HP / +128 TQ

W177 - A-Class A250

75 V8 R (HP: 360 | Year: 89 > 97)

4 E-Hybrid

E63 AMG 4-MATIC+ Sedan | MY2018+

Our ECU tune offers the biggest performance gains on the market with our dyno results increasing performance from 329 HP and 354 lb/ft torque

E43 AMG Sedan (W213 | M276 | 3