Engine
Cooling
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
Ignition
For those who will be making in excess of 450 WHP, these uniquely designed spark plugs are a must have. Vehicles that are running increased boost levels are str...
$280.00
Intake
The Weistec M113K High Flow Air Filters are made with our very own high flow element that significantly outflows the factory air filters. The filters are a drop...
$149.99
RENNtech Carbon fiber air box for the Mercedes V8 engine (M113/112). Our full carbon fiber airbox is more than just an impressive under the hood showpiece.
B...
$1,580.00
Our 82 mm throttle body and carbon fiber airbox upgrade is the perfect combination to maximize your 55's performance.
This combination allows for a great...
$4,640.00
RENNtech Carbon fiber air box for the Mercedes V8 Kompressor engine (M113). Our full carbon fiber airbox is more than just an impressive under the hood showpiec...
$1,580.00
Our full carbon fiber airbox is more than just an impressive under the hood showpiece.
By allowing a greater volume of intake charge air; our carbon airbox u...
$1,580.00
Mechanical
Weistec has exclusively partnered with ARP, the top name in performance engine hardware. Head studs are used to fasten the heads to the block in place of the fa...
$699.95
The factory rod bolts are the weakest part of the factory rods in the M113K engine. Weistec's ARP M113K Rod Bolts are much stronger than the factory bolts a...
$560.00
Performance
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
THE 150MM PULLEY RING IS FOR STOCK BOOST APPLICATIONS, AS WELL AS FOR USE WITH OUR M113K SUPERCHARGER SYSTEM UPGRADE.
This Pulley is made to pair with our M1...
$354.99
THE 170MM PULLEY RING OVERDRIVES THE OEM SUPERCHARGER BY 13.3%, ALLOWING FOR INCREASED HORSEPOWER AND TORQUE NUMBERS. A TUNE IS REQUIRED WHEN USING THE 170MM PU...
$364.99
The M113K Power Package 3 contains all the items from the M113K Power Package 2 but the M113K Modular Crank Damper features a 180mm Pulley, and also included is...
$4,700.00
As a leader in tuning and calibration, Weistec Engineering is proud to offer tuning packages for M113K, stock Mercedes Kompressor powered vehicles.
We offer ...
$499.00
$449.10
The Weistec Engineering M113K Forged Pistons were designed and manufactured to address the weaknesses of the OEM M113K pistons.
Our 2618-T61 forged pistons f...
$2,199.99
The M113K Power Package 1 is a great first step in modifying your 55AMG Kompressor. The ECU calibration provides improved throttle response, optimized fue...
$1,500.00
The M113K Power Package 2 contains all the items from the M113K Power Package 1 as well as our M113K Modular Crank Damper with a 170mm Pulley, Heat Exchanger Up...
$3,900.00
RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, co...
$995.00
RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, co...
$995.00
RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, co...
$995.00
Our R1 Performance Upgrad Packager for the 203 C32 AMG features our proprietary ECU upgrade, and larger crankshaft pulley.
C 32 AMG (W203) Stock Pe...
$2,980.00
RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, co...
$995.00
The R1 performance package for the Mercedes 500 series engine includes our proprietary ECU upgrade in addition to our full carbon fiber airbox upgrade which off...
$2,780.00
RENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!
Our proprietar...
$1,295.00
RENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!
Our proprietar...
$1,295.00
The R1 performance package for the Mercedes 500 series engine includes our proprietary ECU upgrade in addition to our full carbon fiber airbox upgrade which off...
$2,780.00
RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, co...
$1,195.00
The R1 performance package for the Mercedes 500 series engine includes our proprietary ECU upgrade in addition to our full carbon fiber airbox upgrade which off...
$2,780.00
RENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!
Our proprietar...
$1,295.00
The R1 performance package for the Mercedes 55 series engine includes our proprietary ECU upgrade in addition to our full carbon fiber airbox upgrade whic...
$2,680.00
The R1 performance package for the Mercedes 55 series engine includes our proprietary ECU upgrade in addition to our full carbon fiber airbox upgrade which offe...
$2,680.00
RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, co...
$1,195.00
Our R1 Performance Upgrade Package for the 203 C32 AMG features our proprietary ECU upgrade, and larger crankshaft pulley.
SLK 32 AMG (R170) Stock ...
$2,980.00
RENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!
Our proprietar...
$1,195.00
The R1 performance package for the Mercedes 55 series engine includes our proprietary ECU upgrade in addition to our full carbon fiber airbox upgrade which offe...
$2,680.00
RENNtech M137 V12 ECU Upgrades are TÜV approved!
Our proprietary ECU upgrade for the Mercedes M137 engine offers huge gains in performance acr...
$1,950.00
RENNtech M137 V12 ECU Upgrades are TÜV approved!
Our proprietary ECU upgrade for the Mercedes M137 engine offers huge gains in performance acr...
$1,950.00
RENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!
Our proprietar...
$1,195.00
The R1 performance package for the Mercedes 55 series engine includes our proprietary ECU upgrade in addition to our full carbon fiber airbox upgrade which offe...
$2,680.00
Supercharger
The Johnson CM-30 water pump addresses many of the short comings of the factory pump such as poor flow characteristics and pump failure. It offers 50% more flow...
$179.99
For customers that currently have our M113K Supercharger system installed using the factory 74mm throttle body, we offer the 82mm Throttle Body Upgrade package....
$449.99
This system is perfect for those that are looking to customize the Weistec M113K Supercharger to their preferances. The core hardware is the same as our M...
$6,999.99
+178 WHEEL HORSEPOWER, +173 WHEEL TORQUE
2002 was a milestone for Mercedes and European sports car enthusiasts. The AMG 55 equiped with the M113K could only ...
$8,499.99