
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
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
While slippage in the torque converter is important under acceleration, this slippage becomes a liability once cruising speed is achieved. The lock-up clutch co...
$1,395.00
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
For those who will be making over 630bhp these uniquely designed spark plugs are a must have. The extended electrode tip of the OEM spark plug will be prone to ...
$149.99
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 ...
$5,499.99
Exhaust
RENNtech stainless steel (SS) sport mufflers are hand made and rigorously tested to remove any unwanted resonances in the cabin to deliver a deep sound that kee...
$2,680.00
Our performance and sound pipes with integrated x-pipe bypass the stock Mercedes resonators for more volume and a better sound.
Combined with RENNTECH's ...
$2,440.00
Exterior
RENNtech is proud to introduce this sporty yet elegant rear deck lid spoiler for the S-Class.
The rear spoiler integrates seamlessly into the rear of the veh...
$1,680.00
Maintenance

Constructed with 100% polyurethane on all four sides, this high flow "oil-free" OE replacement performance filter will outflow stock paper filter for ...
$173.00

Constructed with 100% polyurethane on all four sides, this high flow, oiled OE replacement performance filter will out flow stock paper filter for improved hors...
$173.00
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