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...
$174.99
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
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
Maintenance
Looking to upgrade your Mercedes AMG CL63/E63/S63 11-16 V8-5.5L(t) air filters? aFe power's Pro 5R performance filters are constructed with 100% polyurethan...
$168.00
Looking to upgrade your Mercedes AMG CL63/E63/S63 11-16 V8-5.5L(t) air filters? aFe power's Pro DRY S performance filters are Constructed with 100% polyuret...
$168.00
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
Electronic lowering modules for a more attractive vehicle appearance and increased driving dynamics - to be used with KW App for iPhone, iPod touch and iPad&nbs...
$1,489.00
Electronic lowering modules for a more attractive vehicle appearance and increased driving dynamics - to be used with KW App for iPhone, iPod touch and iPad&nbs...
$1,489.00