Popular Products
Braking
Our brake upgrade kit includes:
14.2” two piece rear rotors
4 piston rear brake calipers
Rear stainless steel brake lines
Rear high performanc...
$4,995.00
Need new rings for your Girodisc 2pc rotors? We got them. Rings come complete with all new hardware and full instructions for re-assembly; but if you choose you...
$570.00
Need new rings for your Girodisc 2pc rotors? We got them. Rings come complete with all new hardware and full instructions for re-assembly; but if you choose you...
$700.00
The Girodisc system is a direct replacement for the OE disc. No modifications are necessary. The disc will bolt directly to the car and work with OE calipers pe...
$1,050.00
The Girodisc system is a direct replacement for the OE disc. No modifications are necessary. The disc will bolt directly to the car and work with OE calipers pe...
$1,300.00
Drivetrain
The Weistec 722.9 Transmission Pan provides improvement to the performance of the 7 speed 722.9 transmission in a few ways. Primarily is the increased flu...
$599.99
ADD REV-MATCHING TO YOUR AMG
The 722.9 Rev-Match Upgrade will greatly improve the driving experience and performance of your AMG 63 vehicle by adding an elec...
$2,499.99
Weistec Engineering is proud to present the first and only upgraded torque converter for the AMG 722.9 transmission used in many AMG models (See Compatibility L...
$2,949.99
Simply explained, a differential is the last point between the engine and the wheels where power is transferred. The differential functions as a system to direc...
$3,580.00
The Weistec Engineering 722.9 Bulletproof Build Package is a complete set of parts needed for building the 7 speed 722.9 transmission. The most important ...
$3,599.99
Engine
Weistec Engineering is proud to introduce the trunk mounted water tank upgrade for all M156 Supercharged, and M113 Supercharged vehicles. The use of this water ...
$999.99
Our forged pistons and billet 4340 rods add a great degree of strength and resilience to the M156 engine. The pistons benefit from an improved wrist pin design ...
$5,999.99
Weistec Engineering will now be offering the same CNC machined aluminum belt idlers that are used with our supercharger systems. The factory Mercedes parts are ...
$399.99
Weistec has exclusively partnered with ARP, the top name in performance engine hardware. Head studs are used to fasten the heads to the block in place of the fa...
$999.99
Upgrade your Stage 1 or Stage 2 Weistec Supercharger system to our Stage 3 system with ease. Upgrading is made easy with all the parts needed to convert you to ...
$5,999.99
The M156 Stage 1 to Stage 2 Upgrade is for those looking to upgrade their exhaust and get more power out of their M156 Stage 1 Supercharger equipped vehicle.&nb...
$499.99
Exhaust
RENNTECH stainless steel and ceramic-coated exhaust headers offer true bolt-on installation, mounting directly to the OE down pipes - and all RENNTECH headers a...
$3,580.00
Designed, engineered and manufactured in house specifically for your Mercedes Benz. Our purge welded, ceramic coated long tube headers feature top of the ...
$8,140.00
The biggest restriction to making high power with the M156 engine is the limited flow of the factory exhaust manifolds. Whether you want to make as much power a...
$4,495.00
A common upgrade to our Long Tube Header Systems is a High Flow Catalytic Converter. While maintaining the flow characteristics of the Long Tube Header, custome...
$1,195.00
Our sound and performance pipes bypass the stock Mercedes resonators for more volume and a better sound. Our sound pipe design features an X-pipe to balance exh...
$1,740.00
Exterior
Offering aggressive styling and functional performance; our fully adjustable DTM style rear wing is designed to be mounted to the OEM trunk lid and improves rea...
$3,350.00
RENNtech is proud to introduce an all new rear decklid spoiler design for the Mercedes-Benz E-class. This highly integrated pre-preg carbon fiber spoiler ...
$1,480.00
Our full carbon fiber front splitter for the E 63 Biturbo is the end result of countless hours of in-house design, engineering and development work. The unique ...
$2,850.00
Our rear diffuser specifically designed for the E63 is the companion component and perfect addition to our carbon front splitter.
It visually enhances the re...
$3,380.00
Suspension
The RENNtech V3 Digital Lowering Module (DLM) is designed to work with all available Mercedes Airmatic or ABC (Hydraulic) Suspensions.The unit allows the user t...
$1,395.00
Includes $50 in KMD Tuning Gift Card
W/Airmatic Rear Suspension
The KW Suspension Coilover spring kit is used for lowering the vehicle in combination with...
$832.99
The RENNtech adjustable suspension spring kit lowers your vehicle with the OEM dampers via adjustable spring perches and sport lowering springs on the front and...
$1,050.00
As an upgraded option we offer our adjustable spring kit in combination with our RENNtech digital suspension lowering module (DLM) in place of the rear adjustab...
$2,350.00
The RENNtech adjustable suspension spring kit lowers your vehicle with the OEM dampers via adjustable spring perches and sport lowering springs on the front and...
$1,050.00