Popular Products
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
Engine
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
540 HORSEPOWER, 715 FT-LBS TORQUE!
As an industry leader in tuning and calibration, Weistec Engineering is proud to introduce the much anticipated ECU tune f...
$1,499.99
Exhaust
RENNtech T-304 stainless steel (SS) sport mufflers are hand made and rigorously tested to remove any unwanted resonances in the cabin to deliver a deep sound th...
$2,480.00
Exterior
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
Maintenance
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
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
Cancellation kits eliminate persistent trouble codes that exist when upgrading a suspension on a vehicle with electronically regulated dampers.
KW is the only ...
$399.00
KW Street Comfort: Individual sport suspension with Maximum comfort
Height adjustable Street Comfort allows a lowering of 10-40mm depending on the ...
$1,899.00