Skip to content

Your cart is empty

Continue shopping

Have an account?

Log in to check out faster.

Shopping cart

Loading...

Add note

Add note

Shipping

Country

Province

Zip/Postal Code

Discount

Subtotal

$0.00

Taxes and shipping calculated at checkout

Home
All Products
Performance Parts

HHT | ECU Tuning Modules
RPM
ROM

Classic Products
R Packages
Exhaust

EVM
Akrapovic

Suspension
Aero & Intakes

Carbon Fiber
Carbon Fiber Airbox
Air Filter

Wheels
Motorsports

Downpipes
R3+ Packages
Turbos

Apparel

Hammer Capsule
RENNtech Merchandise

Accessories
Discover RENNtech
Supercar
Classic
Autogroup
Motorsports
RENNtech Protect
Services
Dealer's Portal

FB
IN
TikTok
YouTube

Contact Us

Home
All Products
Discover RENNtech
RENNtech Protect
Services
Dealer's Portal

Search

Search

(561) 845 7888 info@renntechmercedes.com

Home
All Products
Discover RENNtech
RENNtech Protect
Services
Dealer's Portal

FB
IN
TikTok
YouTube

Contact Us

HHT | ECU Tuning Modules

Home All collections HHT | ECU Tuning Modules

Brand

Model

Engine

Search

Filter:

Availability (0)

Availability

In stock (265 products)
Out of stock (0 products)

In stock (265 products)
Out of stock (0 products)

Price

The highest price is $5,480.00

$

From

To

Sort by:

Filter and sort Filter

Filter and sort

Filter

265 products

Availability

In stock (265 products)
Out of stock (0 products)

Clear

Price

The highest price is $5,480.00

$

From

$

To

Clear

Sort by:

Remove all

265 products

Showing 1-24 of 265 Results

Sort by:

Featured
Best selling
Alphabetically, A-Z
Alphabetically, Z-A
Price, low to high
Price, high to low
Date, old to new
Date, new to old

RENNtech ECU Upgrade E 550 (C207- 402 HP / 405 LB-FT)

Quick buy
Add to wishlist

Add to cart
Vendor:
RENNtech Inc
RENNtech ECU Upgrade E 550 (C207- 402 HP / 405 LB-FT)

Regular price $1,490.00

Sale price $1,490.00 Regular price
Unit price per
RENNtech ECU+ Upgrade | S213 | E450 BiTurbo Wagon | 392 HP/463 LB-FT | 3.0L V6 BiTurbo | M276

Quick buy
Add to wishlist

Add to cart
Vendor:
RENNtech Inc
RENNtech ECU+ Upgrade | S213 | E450 BiTurbo Wagon | 392 HP/463 LB-FT | 3.0L V6 BiTurbo | M276

Regular price $2,240.00

Sale price $2,240.00 Regular price
Unit price per
RENNtech ECU+ Upgrade | W213 | E450 BiTurbo Sedan| 392 HP/463 LB-FT | 3.0L V6 BiTurbo | M276

Quick buy
Add to wishlist

Add to cart
Vendor:
RENNtech Inc
RENNtech ECU+ Upgrade | W213 | E450 BiTurbo Sedan| 392 HP/463 LB-FT | 3.0L V6 BiTurbo | M276

Regular price $2,240.00

Sale price $2,240.00 Regular price
Unit price per
RENNtech ECU Upgrade | E 400 | W212 | 392HP/432LB-FT | 3.0 L BiTurbo V6 | M276

Quick buy
Add to wishlist

Add to cart
Vendor:
RENNtech Inc
RENNtech ECU Upgrade | E 400 | W212 | 392HP/432LB-FT | 3.0 L BiTurbo V6 | M276

Regular price $2,240.00

Sale price $2,240.00 Regular price
Unit price per
RENNtech ECU Hand Held Tuner | HHT | C219 | CLS55 AMG Kompresspr | 517HP/552LB-FT | 5.5L Kompressor | M113

Quick buy
Add to wishlist

Add to cart
Vendor:
RENNtech Inc
RENNtech ECU Hand Held Tuner | HHT | C219 | CLS55 AMG Kompresspr | 517HP/552LB-FT | 5.5L Kompressor | M113

Regular price $1,195.00

Sale price $1,195.00 Regular price
Unit price per
RENNtech Intermediate ECU Upgrade | C205 | C63 AMG (S) 4MATIC+ Coupe | 574 HP/612LB-FT | 4.0L V8 BiTurbo | M177 | MY2016-2023

Quick buy
Add to wishlist

Add to cart
Vendor:
RENNtech Inc
RENNtech Intermediate ECU Upgrade | C205 | C63 AMG (S) 4MATIC+ Coupe | 574 HP/612LB-FT | 4.0L V8 BiTurbo | M177 | MY2016-2023

Regular price $2,840.00

Sale price $2,840.00 Regular price
Unit price per
RENNtech ECU Upgrade | C205 | C 43 AMG | Coupe | 400 HP / 440 LB-FT | M276 | 3.0L V6 BiTurbo | MY2016-2023

Quick buy
Add to wishlist

Add to cart
Vendor:
RENNtech Inc
RENNtech ECU Upgrade | C205 | C 43 AMG | Coupe | 400 HP / 440 LB-FT | M276 | 3.0L V6 BiTurbo | MY2016-2023

Regular price $1,980.00

Sale price $1,980.00 Regular price
Unit price per
RENNtech ECU Upgrade | W205 | C 43 AMG | Sedan | 400 HP / 440 LB-FT | M276 | 3.0L V6 BiTurbo | MY2016-2023

Quick buy
Add to wishlist

Add to cart
Vendor:
RENNtech Inc
RENNtech ECU Upgrade | W205 | C 43 AMG | Sedan | 400 HP / 440 LB-FT | M276 | 3.0L V6 BiTurbo | MY2016-2023

Regular price $1,980.00

Sale price $1,980.00 Regular price
Unit price per
RENNtech ECU Upgrade | W205 | C 43 AMG | Sedan | 400 HP / 440 LB-FT | M276 | 3.0L V6 BiTurbo | MY2016-2021

Quick buy
Add to wishlist

Add to cart
Vendor:
RENNtech Inc
RENNtech ECU Upgrade | W205 | C 43 AMG | Sedan | 400 HP / 440 LB-FT | M276 | 3.0L V6 BiTurbo | MY2016-2021

Regular price $1,980.00

Sale price $1,980.00 Regular price
Unit price per
RENNtech | ECU Upgrade | C 450 BiTurbo AMG | W205 | 402HP/454LB-FT | 3.0L V6 | M276

Quick buy
Add to wishlist

Add to cart
Vendor:
RENNtech Inc
RENNtech | ECU Upgrade | C 450 BiTurbo AMG | W205 | 402HP/454LB-FT | 3.0L V6 | M276

Regular price $2,240.00

Sale price $2,240.00 Regular price
Unit price per
RENNtech ECU Hand Held Tuner (HHT) for CLK 55 (W208- 352 HP / 390 LB-FT)

Quick buy
Add to wishlist

Add to cart
Vendor:
RENNtech Inc
RENNtech ECU Hand Held Tuner (HHT) for CLK 55 (W208- 352 HP / 390 LB-FT)

Regular price $1,480.00

Sale price $1,480.00 Regular price
Unit price per
RENNtech ECU Upgrade for E 550 (W212- 402 HP / 405 LB-FT)

Quick buy
Add to wishlist

Add to cart
Vendor:
RENNtech Inc
RENNtech ECU Upgrade for E 550 (W212- 402 HP / 405 LB-FT)

Regular price $1,490.00

Sale price $1,490.00 Regular price
Unit price per
RENNtech HHT ECU Upgrade for ML 550 (W164- 402 HP / 405 LB-FT)

Quick buy
Add to wishlist

Add to cart
Vendor:
RENNtech Inc
RENNtech HHT ECU Upgrade for ML 550 (W164- 402 HP / 405 LB-FT)

Regular price $1,490.00

Sale price $1,490.00 Regular price
Unit price per
RENNtech HHT ECU Upgrade for ML 350 BlueTec (W166- 260 HP / 485 LB-FT)

Quick buy
Add to wishlist

Add to cart
Vendor:
RENNtech Inc
RENNtech HHT ECU Upgrade for ML 350 BlueTec (W166- 260 HP / 485 LB-FT)

Regular price $1,460.00

Sale price $1,460.00 Regular price
Unit price per
RENNtech ECU HHT Upgrade for GL 450 (X164- 402 HP / 405 LB-FT)

Quick buy
Add to wishlist

Add to cart
Vendor:
RENNtech Inc
RENNtech ECU HHT Upgrade for GL 450 (X164- 402 HP / 405 LB-FT)

Regular price $1,490.00

Sale price $1,490.00 Regular price
Unit price per
RENNtech ECU Hand Held Tuner | HHT | ML 63 | W164 | 530HP/485LB-FT | 6.3L N/A | M156

Quick buy
Add to wishlist

Add to cart
Vendor:
RENNtech Inc
RENNtech ECU Hand Held Tuner | HHT | ML 63 | W164 | 530HP/485LB-FT | 6.3L N/A | M156

Regular price $1,640.00

Sale price $1,640.00 Regular price
Unit price per
RENNtech ECU Hand Held Tuner | HHT | SL 63 AMG | R230 | 534HP/485LB-FT | 6.3L N/A | M156

Quick buy
Add to wishlist

Add to cart
Vendor:
RENNtech Inc
RENNtech ECU Hand Held Tuner | HHT | SL 63 AMG | R230 | 534HP/485LB-FT | 6.3L N/A | M156

Regular price $1,640.00

Sale price $1,640.00 Regular price
Unit price per
RENNtech ECU Hand Held Tuner | HHT | S 63 AMG | W221 | 534HP/485 LB-FT | 6.3L N/A | M156

Quick buy
Add to wishlist

Add to cart
Vendor:
RENNtech Inc
RENNtech ECU Hand Held Tuner | HHT | S 63 AMG | W221 | 534HP/485 LB-FT | 6.3L N/A | M156

Regular price $1,640.00

Sale price $1,640.00 Regular price
Unit price per
RENNtech ECU Hand Held Tuner | HHT | CL 63 AMG | C216 | 534HP/485 LB-FT | 6.3L N/A | M156

Quick buy
Add to wishlist

Add to cart
Vendor:
RENNtech Inc
RENNtech ECU Hand Held Tuner | HHT | CL 63 AMG | C216 | 534HP/485 LB-FT | 6.3L N/A | M156

Regular price $1,640.00

Sale price $1,640.00 Regular price
Unit price per
RENNtech ECU Hand Held Tuner | HHT | E 63 AMG | W212 | 534HP/485 LB-FT | 6.3L N/A | M156

Quick buy
Add to wishlist

Add to cart
Vendor:
RENNtech Inc
RENNtech ECU Hand Held Tuner | HHT | E 63 AMG | W212 | 534HP/485 LB-FT | 6.3L N/A | M156

Regular price $1,640.00

Sale price $1,640.00 Regular price
Unit price per
RENNtech ECU Hand Held Tuner | HHT | E 63 AMG | W211 | 530 HP/485LB-FT | 6.3L N/A | M156

Quick buy
Add to wishlist

Add to cart
Vendor:
RENNtech Inc
RENNtech ECU Hand Held Tuner | HHT | E 63 AMG | W211 | 530 HP/485LB-FT | 6.3L N/A | M156

Regular price $1,640.00

Sale price $1,640.00 Regular price
Unit price per
RENNtech ECU Hand Held Tuner | HHT | CLS 63 AMG | C219 | 534HP/485LB-FT| 6.3L N/A | M156

Quick buy
Add to wishlist

Add to cart
Vendor:
RENNtech Inc
RENNtech ECU Hand Held Tuner | HHT | CLS 63 AMG | C219 | 534HP/485LB-FT| 6.3L N/A | M156

Regular price $1,640.00

Sale price $1,640.00 Regular price
Unit price per
RENNtech ECU Hand Held Tuner | HHT | W204 | C 63 AMG | 517HP/485LB-FT | 6.3L N/A | M156

Quick buy
Add to wishlist

Add to cart
Vendor:
RENNtech Inc
RENNtech ECU Hand Held Tuner | HHT | W204 | C 63 AMG | 517HP/485LB-FT | 6.3L N/A | M156

Regular price $1,640.00

Sale price $1,640.00 Regular price
Unit price per
RENNtech ECU Hand Held Tuner | HHT | CLK 63 AMG | C209 | 517HP/485LB-FT | 6.3L N/A | M156

Quick buy
Add to wishlist

Add to cart
Vendor:
RENNtech Inc
RENNtech ECU Hand Held Tuner | HHT | CLK 63 AMG | C209 | 517HP/485LB-FT | 6.3L N/A | M156

Regular price $1,640.00

Sale price $1,640.00 Regular price
Unit price per

1
…
4
5
6
7
8
…
12

info@renntechmercedes.com

+1 561 845 7888

7825 SW Ellipse Way, Stuart, FL 34997

Follow Us:

FB
IN
TikTok
YouTube

Home
All Products
Discover RENNtech
RENNtech Protect
Services
Dealer's Portal

About Us
Contact Us
Terms & Conditions

Subscribe to our Newsletter and receive updates via email.

Your email address

All Rights Reserved © 2025 - RENNtech Inc.

We Accept

Choosing a selection results in a full page refresh.

Back to top

You will not be allowed to compare more than 4 products at a time