Popular Products
Braking
Our performance brake package 4 is the ultimate upgrade for your braking system, allowing for maximum stopping power and improved safety.
Our upgrade in...
$7,995.00
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
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
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...
$3,980.00
Engine
Weistec M157 / M278 spark plugs are designed and manufactured for not only high power applications but also factory replacement. The factory iridium plugs do no...
$274.99
These Weistec filters are compatible with the 5.5 Biturbo and the 4.7 Biturbo (M157 and M278 engines). When analyzing the factory airbox and flow characteristic...
$245.00
Our latest second generation intercooler pump out performs any other unit on the market; flowing over twice as much coolant as the problematic OEM pump and sign...
$1,395.00
The M157 W.1 Package is provides an excellent starting point for extracting more power from the M157 Biturbo engine. The package consists of our M157 ECU Upgrad...
$3,369.99
The main bolts of the M157 engine are torque to yield bolts, making them one time use bolts. When assembling an M157 engine, new main bolts must be used to ensu...
$799.99
Our forged pistons and billet rods are designed as direct replacement for the OEM pistons and rods. The pistons use a wrist pin that is stronger and of a better...
$7,999.99
Exhaust
Our performance down pipes replace the restrictive stock exhaust with high flow, 200 cell sport catalytics for improved performance, reduced back pressure, grea...
$4,940.00
Exterior
RENNtech is proud to introduce an all new rear decklid spoiler design for the Mercedes-Benz CL-class. This highly integrated prepreg carbon fiber spoiler ...
$1,680.00
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