Ignitions and Electrical Computers, Chips, Modules and Programmers

RENNtech

ECU Hand Held Tuner HHT for W220 S55 AMG Kompressor

$1,195.00

SKU: 4326098108552

In Stock
In Stock
Ships by Jul 30
Free Shipping
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The RENNtech ECU Hand Held Tuner (HHT) is a performance tuning module for the W220 S55 AMG Kompressor. It is designed to increase horsepower and torque, delivering up to 528HP and 552LB-FT. The HHT allows for unlimited switching between tuned and stock ECU programming without requiring ECU removal.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandRENNtech
Part Number4326098108552
CategoryIgnitions and Electrical

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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