Ignitions and Electrical› Computers, Chips, Modules and Programmers

RENNtech

ECU Hand Held Tuner (HHT) for W211 E55 AMG Kompressor

$1,195.00

SKU: 54.211.E55K

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30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Overview

The RENNtech ECU Hand Held Tuner (HHT) is a performance tuning module designed for the W211 E55 AMG Kompressor. It allows for unlimited switching between tuned and stock ECU programming without requiring ECU removal. The module connects directly to the OBD2 port and delivers chosen files to the ECU in minutes.

This tuning software modifies ignition timing, throttle mapping, air/fuel ratios, the engine's rev limiter, and boost mapping for turbocharged vehicles. RENNtech's proprietary upgrade is the result of extensive research, development, and testing, aiming to provide significant performance gains while maintaining daily driver reliability.
Show original supplier description
The RENNtech ECU Hand Held Tuner (HHT) is a performance module specifically engineered for the W211 E55 AMG Kompressor with the 5.5L M113 Kompressor engine. This device offers the flexibility to switch between RENNtech's performance tune and the vehicle's stock ECU programming an unlimited number of times, all without needing to remove the ECU itself. The HHT module interfaces directly with the vehicle's OBD2 port, enabling a quick and straightforward programming process that typically takes only a few minutes. By precisely adjusting ignition timing, optimizing throttle mapping, refining air/fuel ratios, increasing the engine's rev limiter, and modifying boost mapping for supercharged applications, this upgrade unleashes the true performance potential of the Mercedes-Benz E55 AMG. The company leverages decades of experience in ECU tuning, backed by countless hours of in-house research, development, and rigorous testing, to ensure a product that delivers impressive performance gains alongside dependable daily driver reliability. The stock performance for the E55 AMG Kompressor (W211, M113, 5.5L Supercharged) is rated at 469 HP @ 6,100 RPM and 516 LB-FT @ 2,650 RPM. With the RENNtech ECU HHT, performance is elevated to an estimated 517 HP @ 6,100 RPM and 552 LB-FT @ 2,650 RPM, representing an increase of +48 HP and +36 TQ. This ECU upgrade is compatible with model years 2003-2006 for the W211 E55 AMG Kompressor.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

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Specifications

BrandRENNtech
Part Number54.211.E55K
CategoryIgnitions and Electrical
5,000+ Trusted brands
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