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
Most relevant
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 | X166 | GL63 AMG | SUV | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo

Quick buy
Add to wishlist

View Product View Product
Vendor:
RENNtech Inc
RENNtech ECU+ Upgrade | X166 | GL63 AMG | SUV | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo

Regular price $2,980.00

Sale price $2,980.00 Regular price
Unit price per
RENNtech Intermediate ECU Upgrade | R231 | SL 63 AMG | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2012-14

Quick buy
Add to wishlist

View Product View Product
Vendor:
RENNtech Inc
RENNtech Intermediate ECU Upgrade | R231 | SL 63 AMG | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2012-14

Regular price $2,460.00

Sale price $2,460.00 Regular price
Unit price per
RENNtech Intermediate ECU Upgrade | W222 | S 63 AMG | Sedan | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2014-2017

Quick buy
Add to wishlist

View Product View Product
Vendor:
RENNtech Inc
RENNtech Intermediate ECU Upgrade | W222 | S 63 AMG | Sedan | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2014-2017

Regular price $2,460.00

Sale price $2,460.00 Regular price
Unit price per
RENNtech ECU+ Upgrade | C190 | AMG GT R | 659HP/614LB-FT | 4.0L V8 BiTurbo | M178

Quick buy
Add to wishlist

View Product View Product
Vendor:
RENNtech Inc
RENNtech ECU+ Upgrade | C190 | AMG GT R | 659HP/614LB-FT | 4.0L V8 BiTurbo | M178

Regular price $3,280.00

Sale price $3,280.00 Regular price
Unit price per
RENNtech ECU+ Upgrade | C190 | AMG GT S | 601HP/582LB-FT | 4.0L V8 BiTurbo | M178 | MY2015-2017

Quick buy
Add to wishlist

View Product View Product
Vendor:
RENNtech Inc
RENNtech ECU+ Upgrade | C190 | AMG GT S | 601HP/582LB-FT | 4.0L V8 BiTurbo | M178 | MY2015-2017

Regular price $3,280.00

Sale price $3,280.00 Regular price
Unit price per
RENNtech ECU+ Upgrade | C253 | GLC63 (S) AMG 4MATIC+ Coupe | 601 HP/644LB-FT | 4.0L V8 BiTurbo | M177 | MY2016+

Quick buy
Add to wishlist

View Product View Product
Vendor:
RENNtech Inc
RENNtech ECU+ Upgrade | C253 | GLC63 (S) AMG 4MATIC+ Coupe | 601 HP/644LB-FT | 4.0L V8 BiTurbo | M177 | MY2016+

Regular price $3,280.00

Sale price $3,280.00 Regular price
Unit price per
RENNtech | ECU+ Upgrade | C63 /S AMG | Coupe | C205 | 601 HP / 657 LB-FT | 4.0L BiTurbo V8 | M177 | MY2017-2023

Quick buy
Add to wishlist

View Product View Product
Vendor:
RENNtech Inc
RENNtech | ECU+ Upgrade | C63 /S AMG | Coupe | C205 | 601 HP / 657 LB-FT | 4.0L BiTurbo V8 | M177 | MY2017-2023

Regular price $3,280.00

Sale price $3,280.00 Regular price
Unit price per
RENNtech | ECU+ Upgrade | C63 /S AMG | Sedan | W205 | 601 HP / 657 LB-FT | 4.0L BiTurbo V8 | M177 | MY2015-2021

Quick buy
Add to wishlist

View Product View Product
Vendor:
RENNtech Inc
RENNtech | ECU+ Upgrade | C63 /S AMG | Sedan | W205 | 601 HP / 657 LB-FT | 4.0L BiTurbo V8 | M177 | MY2015-2021

Regular price $3,280.00

Sale price $3,280.00 Regular price
Unit price per
RENNtech ECU+ Upgrade | X290 | GT 63 (S) AMG 4-Door Coupe | 783 HP / 798 LB-FT | 4.0L V8 BiTurbo | M177 | 19-23

Quick buy
Add to wishlist

View Product View Product
Vendor:
RENNtech Inc
RENNtech ECU+ Upgrade | X290 | GT 63 (S) AMG 4-Door Coupe | 783 HP / 798 LB-FT | 4.0L V8 BiTurbo | M177 | 19-23

Regular price $3,840.00

Sale price $3,840.00 Regular price
Unit price per
RENNtech ECU+ Upgrade | W222 | S63 AMG S 4MATIC+ | 740 HP / 806 LB-FT | 4.0L V8 BiTurbo | M177 | MY2018-2020

Quick buy
Add to wishlist

View Product View Product
Vendor:
RENNtech Inc
RENNtech ECU+ Upgrade | W222 | S63 AMG S 4MATIC+ | 740 HP / 806 LB-FT | 4.0L V8 BiTurbo | M177 | MY2018-2020

Regular price $3,840.00

Sale price $3,840.00 Regular price
Unit price per
RENNtech ECU+ Upgrade | W213 | E63 AMG (S) 4MATIC+ | 773 HP/778LB-FT | 4.0L V8 BiTurbo | M177 | MY2018-2023

Quick buy
Add to wishlist

View Product View Product
Vendor:
RENNtech Inc
RENNtech ECU+ Upgrade | W213 | E63 AMG (S) 4MATIC+ | 773 HP/778LB-FT | 4.0L V8 BiTurbo | M177 | MY2018-2023

Regular price $3,840.00

Sale price $3,840.00 Regular price
Unit price per
RENNtech ECU+ Upgrade | W205 | C 43 AMG | Sedan | 416 HP / 460 LB-FT | M276 | 3.0L V6 BiTurbo | MY2017-2021

Quick buy
Add to wishlist

View Product View Product
Vendor:
RENNtech Inc
RENNtech ECU+ Upgrade | W205 | C 43 AMG | Sedan | 416 HP / 460 LB-FT | M276 | 3.0L V6 BiTurbo | MY2017-2021

Regular price $2,240.00

Sale price $2,240.00 Regular price
Unit price per
RENNtech ECU+ Upgrade | C238 | E450 BiTurbo | 392 HP/463 LB-FT | 3.0L V6 BiTurbo | M276 | MY2019-2020

Quick buy
Add to wishlist

View Product View Product
Vendor:
RENNtech Inc
RENNtech ECU+ Upgrade | C238 | E450 BiTurbo | 392 HP/463 LB-FT | 3.0L V6 BiTurbo | M276 | MY2019-2020

Regular price $2,240.00

Sale price $2,240.00 Regular price
Unit price per
RENNtech ECU+ Upgrade | C238 | E400 | 392 HP/463 LB-FT | 3.0L V6 BiTurbo | M276 | MY2018

Quick buy
Add to wishlist

View Product View Product
Vendor:
RENNtech Inc
RENNtech ECU+ Upgrade | C238 | E400 | 392 HP/463 LB-FT | 3.0L V6 BiTurbo | M276 | MY2018

Regular price $2,240.00

Sale price $2,240.00 Regular price
Unit price per
RENNtech ECU Upgrade | E 400 | C207 | 392HP/432LB-FT | 3.0 L BiTurbo V6 | M276 | MY2015-2017

Quick buy
Add to wishlist

View Product View Product
Vendor:
RENNtech Inc
RENNtech ECU Upgrade | E 400 | C207 | 392HP/432LB-FT | 3.0 L BiTurbo V6 | M276 | MY2015-2017

Regular price $2,240.00

Sale price $2,240.00 Regular price
Unit price per
RENNtech ECU Upgrade | GLA 45 AMG | X156 | 428HP/417LB-FT | 2.0L Turbo | M133

Quick buy
Add to wishlist

View Product View Product
Vendor:
RENNtech Inc
RENNtech ECU Upgrade | GLA 45 AMG | X156 | 428HP/417LB-FT | 2.0L Turbo | M133

Regular price $1,780.00

Sale price $1,780.00 Regular price
Unit price per
RENNtech Sprinter VAN ECU Upgrade | 2.1L Inline-4 Diesel | MY2014-22 | OM651 | 180HP / 297LB-FT

Quick buy
Add to wishlist

View Product View Product
Vendor:
RENNtech Inc
RENNtech Sprinter VAN ECU Upgrade | 2.1L Inline-4 Diesel | MY2014-22 | OM651 | 180HP / 297LB-FT

Regular price $1,460.00

Sale price $1,460.00 Regular price
Unit price per
RENNtech Intermediate ECU Upgrade | S212 | E 63 (S) AMG | Wagon | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2014-2016

Quick buy
Add to wishlist

View Product View Product
Vendor:
RENNtech Inc
RENNtech Intermediate ECU Upgrade | S212 | E 63 (S) AMG | Wagon | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2014-2016

Regular price $2,460.00

Sale price $2,460.00 Regular price
Unit price per
RENNtech Intermediate ECU Upgrade | S212 | E 63 AMG | Wagon | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2012-13

Quick buy
Add to wishlist

View Product View Product
Vendor:
RENNtech Inc
RENNtech Intermediate ECU Upgrade | S212 | E 63 AMG | Wagon | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2012-13

Regular price $2,460.00

Sale price $2,460.00 Regular price
Unit price per
RENNtech ECU Upgrade | W212 | E 63 S AMG | Sedan | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2014-2016

Quick buy
Add to wishlist

View Product View Product
Vendor:
RENNtech Inc
RENNtech ECU Upgrade | W212 | E 63 S AMG | Sedan | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2014-2016

Regular price $2,460.00

Sale price $2,460.00 Regular price
Unit price per
RENNtech Intermediate ECU Upgrade | C217 | S 63 AMG | Coupe | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2015-2017

Quick buy
Add to wishlist

View Product View Product
Vendor:
RENNtech Inc
RENNtech Intermediate ECU Upgrade | C217 | S 63 AMG | Coupe | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2015-2017

Regular price $2,460.00

Sale price $2,460.00 Regular price
Unit price per
RENNtech Intermediate ECU Upgrade | C216 | CL 63 AMG | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2011-14

Quick buy
Add to wishlist

View Product View Product
Vendor:
RENNtech Inc
RENNtech Intermediate ECU Upgrade | C216 | CL 63 AMG | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2011-14

Regular price $2,460.00

Sale price $2,460.00 Regular price
Unit price per
RENNtech ECU Upgrade | C218 | CLS 63 S AMG 4MATIC | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2015-2018

Quick buy
Add to wishlist

View Product View Product
Vendor:
RENNtech Inc
RENNtech ECU Upgrade | C218 | CLS 63 S AMG 4MATIC | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2015-2018

Regular price $2,460.00

Sale price $2,460.00 Regular price
Unit price per
RENNtech Intermediate ECU Upgrade | W166 | ML63 AMG | SUV | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2013-15

Quick buy
Add to wishlist

View Product View Product
Vendor:
RENNtech Inc
RENNtech Intermediate ECU Upgrade | W166 | ML63 AMG | SUV | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2013-15

Regular price $2,460.00

Sale price $2,460.00 Regular price
Unit price per

1
2
3
4
…
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