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
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...
$800.00
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
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...
$2,999.99
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 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
Our performance and sound pipes bypass the stock Mercedes resonators for increased exhaust gas flow, reduced back pressure and improved sound.
Combined with ...
$2,440.00
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 $150 in KMD Tuning Gift Card
This system intended for the experienced driver who does not only wish to determine the individual lowering of his vehi...
$2,149.99
Includes $150 in KMD Tuning Gift Card
KW Street Comfort: Individual sport suspension with Maximum comfort
Height adjustable Street Comfort allows a loweri...
$2,019.99