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

Products

Home All collections Products

Brand

Model

Engine

Search

Sort by:

Filter and sort Filter

Filter and sort

Filter

857 products

Sort by:

Remove all

857 products

Showing 1-24 of 857 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 | W212 | E 550 | 540HP / 705 LB-FT | 4.7L V8 BiTurbo | M278 | MY2012-2013

Quick buy
Add to wishlist
Vendor:
RENNtech Inc
RENNtech ECU+ Upgrade | W212 | E 550 | 540HP / 705 LB-FT | 4.7L V8 BiTurbo | M278 | MY2012-2013

Regular price $2,480.00

Sale price $2,480.00 Regular price
Unit price per
RENNtech ECU+ Upgrade | C218 | CLS 550 | 540HP / 705LB-FT | 4.7L V8 BiTurbo | M278 | MY2015-2018

Quick buy
Add to wishlist
Vendor:
RENNtech Inc
RENNtech ECU+ Upgrade | C218 | CLS 550 | 540HP / 705LB-FT | 4.7L V8 BiTurbo | M278 | MY2015-2018

Regular price $2,480.00

Sale price $2,480.00 Regular price
Unit price per
RENNtech ECU+ Upgrade | C218 | CLS 550 | 540HP / 705LB-FT | 4.7L V8 BiTurbo | M278 | MY2012-2014

Quick buy
Add to wishlist
Vendor:
RENNtech Inc
RENNtech ECU+ Upgrade | C218 | CLS 550 | 540HP / 705LB-FT | 4.7L V8 BiTurbo | M278 | MY2012-2014

Regular price $2,480.00

Sale price $2,480.00 Regular price
Unit price per
RENNtech | ECU Upgrade | W463 | G 63 AMG | 635 HP / 620 LB-FT | 5.5L BiTurbo V8 | M157

Quick buy
Add to wishlist
Vendor:
RENNtech Inc
RENNtech | ECU Upgrade | W463 | G 63 AMG | 635 HP / 620 LB-FT | 5.5L BiTurbo V8 | M157

Regular price $2,980.00

Sale price $2,980.00 Regular price
Unit price per
RENNtech ECU+ Upgrade | X166 | GLS63 AMG | SUV | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo

Quick buy
Add to wishlist
Vendor:
RENNtech Inc
RENNtech ECU+ Upgrade | X166 | GLS63 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 ECU+ Upgrade | X166 | GL63 AMG | SUV | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo

Quick buy
Add to wishlist
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 ECU+ Upgrade | C292 | GLE63 AMG | Coupe | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo

Quick buy
Add to wishlist
Vendor:
RENNtech Inc
RENNtech ECU+ Upgrade | C292 | GLE63 AMG | Coupe | 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 ECU+ Upgrade | W166 | GLE63 AMG | SUV | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo

Quick buy
Add to wishlist
Vendor:
RENNtech Inc
RENNtech ECU+ Upgrade | W166 | GLE63 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 ECU+ Upgrade | W166 | ML63 AMG | SUV | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo

Quick buy
Add to wishlist
Vendor:
RENNtech Inc
RENNtech ECU+ Upgrade | W166 | ML63 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 ECU+ Upgrade | R231 | SL 63 AMG | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo

Quick buy
Add to wishlist
Vendor:
RENNtech Inc
RENNtech ECU+ Upgrade | R231 | SL 63 AMG | 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 ECU+ Upgrade | R231 | SL 63 AMG | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo | MY2012-14

Quick buy
Add to wishlist
Vendor:
RENNtech Inc
RENNtech ECU+ Upgrade | R231 | SL 63 AMG | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo | MY2012-14

Regular price $2,980.00

Sale price $2,980.00 Regular price
Unit price per
RENNtech ECU+ Upgrade | W222 | S 63 AMG | Sedan | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo | MY2014-2017

Quick buy
Add to wishlist
Vendor:
RENNtech Inc
RENNtech ECU+ Upgrade | W222 | S 63 AMG | Sedan | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo | MY2014-2017

Regular price $2,980.00

Sale price $2,980.00 Regular price
Unit price per
RENNtech ECU+ Upgrade | W221 | S 63 AMG | Sedan | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo | MY2011-13

Quick buy
Add to wishlist
Vendor:
RENNtech Inc
RENNtech ECU+ Upgrade | W221 | S 63 AMG | Sedan | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo | MY2011-13

Regular price $2,980.00

Sale price $2,980.00 Regular price
Unit price per
RENNtech ECU+ Upgrade | C217 | S 63 AMG | Coupe | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo | MY2015-2017

Quick buy
Add to wishlist
Vendor:
RENNtech Inc
RENNtech ECU+ Upgrade | C217 | S 63 AMG | Coupe | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo | MY2015-2017

Regular price $2,980.00

Sale price $2,980.00 Regular price
Unit price per
RENNtech ECU+ Upgrade | C216 | CL 63 AMG | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo | MY2011-14

Quick buy
Add to wishlist
Vendor:
RENNtech Inc
RENNtech ECU+ Upgrade | C216 | CL 63 AMG | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo | MY2011-14

Regular price $2,980.00

Sale price $2,980.00 Regular price
Unit price per
RENNtech ECU+ Upgrade | S212 | E 63 (S) AMG | Wagon | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo | MY2014-2016

Quick buy
Add to wishlist
Vendor:
RENNtech Inc
RENNtech ECU+ Upgrade | S212 | E 63 (S) AMG | Wagon | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo | MY2014-2016

Regular price $2,980.00

Sale price $2,980.00 Regular price
Unit price per
RENNtech ECU+ Upgrade | W212 | E 63 (S) AMG | Sedan | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo | MY2014-2016

Quick buy
Add to wishlist
Vendor:
RENNtech Inc
RENNtech ECU+ Upgrade | W212 | E 63 (S) AMG | Sedan | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo | MY2014-2016

Regular price $2,980.00

Sale price $2,980.00 Regular price
Unit price per
RENNtech ECU+ Upgrade | S212 | E 63 AMG | Wagon | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo | MY2012-13

Quick buy
Add to wishlist
Vendor:
RENNtech Inc
RENNtech ECU+ Upgrade | S212 | E 63 AMG | Wagon | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo | MY2012-13

Regular price $2,980.00

Sale price $2,980.00 Regular price
Unit price per
RENNtech ECU+ Upgrade | W212 | E63 AMG | Sedan | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo | MY2012-13

Quick buy
Add to wishlist
Vendor:
RENNtech Inc
RENNtech ECU+ Upgrade | W212 | E63 AMG | Sedan | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo | MY2012-13

Regular price $2,980.00

Sale price $2,980.00 Regular price
Unit price per
RENNtech ECU+ Upgrade | C218 | CLS 63 S AMG | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo | MY2015-2018

Quick buy
Add to wishlist
Vendor:
RENNtech Inc
RENNtech ECU+ Upgrade | C218 | CLS 63 S AMG | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo | MY2015-2018

Regular price $2,980.00

Sale price $2,980.00 Regular price
Unit price per
RENNtech ECU+ Upgrade | C218 | CLS 63 AMG | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo | MY2014

Quick buy
Add to wishlist
Vendor:
RENNtech Inc
RENNtech ECU+ Upgrade | C218 | CLS 63 AMG | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo | MY2014

Regular price $2,980.00

Sale price $2,980.00 Regular price
Unit price per
RENNtech ECU+ Upgrade | C218 | CLS63 AMG | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo | MY2012-13

Quick buy
Add to wishlist
Vendor:
RENNtech Inc
RENNtech ECU+ Upgrade | C218 | CLS63 AMG | 669 HP / 734 LB-FT | M157 | 5.5L V8 BiTurbo | MY2012-13

Regular price $2,980.00

Sale price $2,980.00 Regular price
Unit price per
RENNtech Intermediate ECU Upgrade | X166 | GLS63 AMG | SUV | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2016+

Quick buy
Add to wishlist
Vendor:
RENNtech Inc
RENNtech Intermediate ECU Upgrade | X166 | GLS63 AMG | SUV | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2016+

Regular price $2,460.00

Sale price $2,460.00 Regular price
Unit price per
RENNtech Intermediate ECU Upgrade | X166 | GL63 AMG | SUV | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2013-15

Quick buy
Add to wishlist
Vendor:
RENNtech Inc
RENNtech Intermediate ECU Upgrade | X166 | GL63 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
…
16
17
18
19
20
…
36

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

Terms & Conditions

By entering this website you acknowledge that you have read and agree to our Terms & Conditions .

I have read and agree to the Terms & Conditions.