Engine
Blow Off Valve
All high performance turbocharged engines require a pressure release system. A major shortcoming of AMG’s potent M133 engine is the lack of a bypass...
$349.00
The Mercedes M275 and M279 Biturbo V12 engines found in the AMG 65 models feature plastic bypass valves that are installed the the compressor covers of each tur...
$799.00
Cooling
We are proud to announce our new high-performance Auxiliary Radiator upgrade for M157/M278/M133. Designed specifically for enthusiasts who demand superior cooli...
$379.99
Intake
The Weistec ASV/WM Injection System adds multiple beneficial components to the M157 BiTurbo 5.5L engine. First being the addition of a Weistec Anti Surge ...
$3,299.00
The Weistec ASV/WM Injection System adds multiple beneficial components to the M157 BiTurbo 5.5L engine. First being the addition of a Weistec Anti Surge ...
$3,599.00
Water/Methanol injection has been in use for several decades in multiple applications. Originally, it was used to reduce knock while increasing power and perfor...
$1,399.00
Intercooler
The 200001065 competition intercooler has the following core size (640mm x 200mm x 110mm = 14.080cm³), providing a 25% larger frontal area and 110% more vo...
$1,600.00
The competition intercooler has the following core size (640mm x 200mm x 110mm = 14.080cm³), providing a 25% larger frontal area and 110% more volume compa...
$1,140.00
Software
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...
$1,490.00
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...
$2,450.00
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...
$2,250.00
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...
$2,950.00
Our proprietary ECU upgrade for the Mercedes M133 engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or...
$2,450.00
Our proprietary ECU upgrade for the Mercedes M278 Biturbo engine offers huge gains in performance across the entire RPM range without sacrificing around town co...
$2,740.00
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...
$2,250.00
Our proprietary ECU upgrade for the Mercedes M278 Biturbo engine offers huge gains in performance across the entire RPM range without sacrificing around town co...
$2,740.00
Our proprietary ECU upgrade for the Mercedes M278 Biturbo engine offers huge gains in performance across the entire RPM range without sacrificing around town co...
$2,740.00
Our proprietary ECU upgrade for the Mercedes M278 Biturbo engine offers huge gains in performance across the entire RPM range without sacrificing around town co...
$2,740.00
Our intermediate level ECU upgrade for the Mercedes M278 engine still offers huge gains in performance across the entire RPM range, but with a slightly reduced ...
$2,480.00
Our proprietary ECU upgrade for the Mercedes M278 Biturbo engine offers huge gains in performance across the entire RPM range without sacrificing around town co...
$2,740.00
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 intermediate level ECU upgrade for the Mercedes M278 engine still offers huge gains in performance across the entire RPM range, but with a slightly reduced ...
$2,480.00
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...
$3,495.00
RENNtech M157 Biturbo ECU Upgrades are TÜV approved!
Our proprietary ECU upgrade for the Mercedes M157 engine offers huge gains in performance...
$3,495.00
Our intermediate level ECU upgrade for the Mercedes M278 engine still offers huge gains in performance across the entire RPM range, but with a slightly reduced ...
$2,480.00
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 M157 Biturbo ECU Upgrades are TÜV approved!
Our proprietary ECU upgrade for the Mercedes M157 engine offers huge gains in performance...
$3,495.00
RENNtech M157 Biturbo ECU Upgrades are TÜV approved!
Our intermediate level ECU upgrade for the Mercedes M157 engine still offers huge gains in performa...
$2,850.00
Our proprietary ECU upgrade for the Mercedes M278 Biturbo engine offers huge gains in performance across the entire RPM range without sacrificing around town co...
$2,740.00
RENNtech M157 Biturbo ECU+ Upgrades are TÜV approved!
Our proprietary ECU+ upgrade for the Mercedes M157 engine offers huge gains in performance across ...
$3,495.00
Our intermediate level ECU upgrade for the Mercedes M278 engine still offers huge gains in performance across the entire RPM range, but with a slightly reduced ...
$2,480.00
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...
$2,980.00
RENNtech M157 Biturbo ECU Upgrades are TÜV approved!
Our intermediate level ECU upgrade for the Mercedes M157 engine still offers huge gains in performa...
$2,850.00
RENNtech M157 Biturbo ECU+ Upgrades are TÜV approved!
Our proprietary ECU+ upgrade for the Mercedes M157 engine offers huge gains in performance across ...
$3,495.00
Our intermediate level ECU upgrade for the Mercedes M278 engine still offers huge gains in performance across the entire RPM range, but with a slightly reduced ...
$2,480.00
RENNtech M157 Biturbo ECU Upgrades are TÜV approved!
Our proprietary ECU upgrade for the Mercedes M157 Biturbo 4-MATIC engine offers huge gain...
$3,495.00
RENNtech M157 Biturbo ECU Upgrades are TÜV approved!
Our proprietary ECU upgrade for the Mercedes M157 Biturbo 4-MATIC engine offers huge gain...
$2,850.00
RENNtech M157 Biturbo ECU+ Upgrades are TÜV approved!
Our proprietary ECU+ upgrade for the Mercedes M157 Biturbo 4-MATIC engine offers huge ga...
$3,495.00
Our proprietary ECU upgrade for the Mercedes M133 engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or...
$1,780.00
Our proprietary ECU upgrade for the Mercedes M278 engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or...
$2,740.00
RENNtech M157 Biturbo ECU Upgrades are TÜV approved!
Our proprietary ECU upgrade for the Mercedes M157 engine offers huge gains in performance...
$3,495.00
RENNtech M157 Biturbo ECU Upgrades are TÜV approved!
Our intermediate level ECU upgrade for the Mercedes M157 Biturbo 4-MATIC engine offers hu...
$2,850.00
RENNtech M157 Biturbo ECU Upgrades are TÜV approved!
Our intermediate level ECU upgrade for the Mercedes M157 Biturbo 4-MATIC engine offers hu...
$2,850.00
Our proprietary ECU upgrade for the Mercedes M278 Biturbo engine offers huge gains in performance across the entire RPM range without sacrificing around town co...
$2,740.00
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...
$2,945.00
RENNtech M157 Biturbo ECU Upgrades are TÜV approved!
Our proprietary ECU upgrade for the Mercedes M157 Biturbo 4-MATIC engine offers huge gain...
$3,495.00
RENNtech M157 Biturbo ECU Upgrades are TÜV approved!
Our intermediate level ECU upgrade for the Mercedes M157 Biturbo 4-MATIC engine offers hu...
$2,850.00
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...
$3,495.00
Our intermediate level ECU upgrade for the Mercedes M278 engine still offers huge gains in performance across the entire RPM range, but with a slightly reduced ...
$2,480.00
+47 WHEEL HORSEPOWER, +32 WHEEL TORQUE
As a leader in tuning and calibration, Weistec Engineering is proud to release tuning packages for the naturally aspir...
$899.00
Stage 1
The R1 performance package for the Mercedes 600 V12 engines includes our proprietary ECU upgrade, upgrade in addition to our higher efficiency intercooler pump....
$3,640.00
The R1 performance package includes our proprietary ECU tune and higher efficiency intercooler pump for increased, power, performance and throttle response...
$3,990.00
Our performance package includes our proprietary ECU tune in addition to our full carbon fiber airbox for a gain of +78 HP and +52 TQ over stock.
...
$3,860.00
The R1 performance package for the CLS 63 features our proprietary ECU tune for the new biturbo M157 Mercedes engine which offers the largest gains on the marke...
$6,850.00
RENNtech has developed this power packed yet stylistically subtle package specifically for the S550 sedan. RENNtech achieved this with just a few modifications ...
$7,380.00
The RENNtech R1 Performance Package is the perfect entry level performance upgrade for the CL 63 AMG. With the combination of the RENNtech ECU Upgrade...
$4,380.00
The RENNtech R1 Performance Package is the perfect entry level performance upgrade for the E 63 AMG. With the combination of the RENNtech ECU Upgrade ...
$4,380.00
The RENNtech R1 Performance Package is the perfect entry level performance upgrade for the E 63 AMG. With the combination of the RENNtech ECU Upgrade ...
$4,380.00
The RENNtech R1 Performance Package is the perfect entry level performance upgrade for the E 63 AMG. With the combination of the RENNtech ECU Upgrade ...
$4,380.00
Our SLS performance package 1 features our proprietary ECU tuning software combined with our long tube headers unbelivable sound with performace to match.
Ou...
$10,430.00
Our SLS performance package 1 features our proprietary ECU tuning software combined with our long tube headers unbelivable sound with performace to match.
Ou...
$11,450.00
Stage 2
The R2 performance package for the Mercedes 600 V12 engines is the next step up in performance from our R1 package.
The R2 Performance package includes all t...
$8,940.00
RENNtech performance package 2 includes our proprietary ECU tune in addition to our full carbon fiber airbox, 82mm throttle body kit and RENNtech stainless...
$10,960.00
The R2 performance package is the next step up from our R1 performance package and includes our proprietary ECU tune, our higher efficiency intercooler pump kit...
$13,930.00
The RENNtech R2 Performance Package is the evolution stage of the R1 Pkg. The R2 not only brings additional power, but also gives the car a deeper spo...
$11,680.00
The RENNtech R2 Performance Package is the evolution stage of the R1 Pkg. The R2 not only brings additional power, but also gives the car a deeper spo...
$11,680.00
The RENNtech R2 Performance Package is the evolution stage of the R1 Pkg. The R2 not only brings additional power, but also gives the car a deeper spo...
$11,680.00
The RENNtech R2 Performance Package is the evolution stage of the R1 Pkg. The R2 not only brings additional power, but also gives the car a deeper spo...
$13,480.00
Our SLS performance package 2 features our proprietary ECU tuning software and long tube headers as found in package 1 with the addition of our sound and perfor...
$14,750.00
Stage 3
The R3 performance package is the ultimate performance upgrade for your 600 series Mercedes!
Our package 3 includes everything found in our performance packa...
$18,650.00
The R3 performance package is the ultimate performance upgrade for your 65 series Mercedes!
Our package 3 includes everything found in our performance packag...
$22,250.00
The RENNtech R3 Performance Package is the evolution stage of the R2 Pkg. Included in the R3 Package are all upgrades from the R2 Pkg, ECU Upgrade, Di...
$27,680.00
The RENNtech R3+ Performance Package is the final evolution stage of the RENNtech R-Performance line for the M157 series and is intended as a track up...
$38,980.00
The RENNtech R3+ Performance Package is the final evolution stage of the RENNtech R-Performance line for the M157 series and is intended as a track up...
$38,980.00
The RENNtech R3 Performance Package is the evolution stage of the R2 Pkg. Included in the R3 Package are all upgrades from the R2 Pkg, ECU Upgrade, Di...
$27,680.00
The RENNtech R3+ Performance Package is the final evolution stage of the RENNtech R-Performance line for the M157 series and is intended as a track up...
$38,980.00
The RENNtech R3+ Performance Package is the final evolution stage of the RENNtech R-Performance line for the M157 series and is intended as a track up...
$39,240.00
The RENNtech R3 Performance Package is the evolution stage of the R2 Pkg. Included in the R3 Package are all upgrades from the R2 Pkg, ECU Upgrade, Di...
$23,180.00
The RENNtech R3 Performance Package is the evolution stage of the R2 Pkg. Included in the R3 Package are all upgrades from the R2 Pkg, ECU Upgrade, Di...
$29,380.00
Our SLS performance package 3 features our proprietary ECU tuning software and long tube headers as found in package 1 & 2 with the addition of the Akrapovi...
$23,580.00
Supercharger
Everything was important when developing this system. Its unique design pays homage to the builders at Mercedes AMG allowing clients to install their engin...
$14,999.99
SLS 750, 750 HORSEPOWER, 654 FT-LB OF TORQUE
FOR COMPLETELY STOCK VEHICLES
MADE TO WORK ONLY WITH STOCK EXHAUST
Weistec Engineering has developed the u...
$14,999.00
SLS 825, 825 HORSEPOWER, 661 FT-LB OF TORQUE
FOR VEHICLES WITH WEISTEC HEADERS AND MIDPIPES
The SLS 825 Supercharger System is the pinnacle of p...
$18,999.00
Upgrade your Stage 1 or Stage 2 Weistec Supercharger system to our Stage 3 system with ease. Upgrading is made easy with all the parts needed to convert you to ...
$7,899.00
637 HORSEPOWER, 560 FT-LB OF TORQUE
FOR COMPLETELY STOCK VEHICLES
The Weistec Stage 1 Supercharger System features the all new ultra efficient Weistec dir...
$11,999.00
The M156 Stage 1 to Stage 2 Upgrade is for those looking to upgrade their exhaust and get more power out of their M156 Stage 1 Supercharger equipped vehicle.&nb...
$649.00
672 HORSEPOWER, 662 FT-LB OF TORQUE
REQUIRES HIGH FLOW EXHAUST
The Weistec Stage 2 Supercharger System is specifically designed for vehicles with high flo...
$11,999.00
740+ HORSEPOWER, 630+ FT-LB OF TORQUE
REQUIRES HIGH FLOW EXHAUST, REMOVAL OF SECONDARY AIR INJECTION VALVES, ROW AIRBOXES, AND SPARK PLUGS. BUILT T...
$15,599.00
Turbocharger
Mercedes made the latest generation of 63 biturbo engines seriously fast right out of the box.Challenge accepted…….
We took the latest generati...
$20,640.00
The RENNtech performance turbo upgrade is truly the ultimate upgrade for your 45 AMG - M133 Turbo-Series!
The lightweight forged billet wheel features a dram...
$5,980.00
Mercedes made the latest generation of 63 biturbo engines seriously fast right out of the box.Challenge accepted…….
We took the latest generati...
$15,980.00
The engineers at Premier Tuning Group designed and developed a bolt-on turbocharger upgrade for you M133 Powered AMG that is capable of 600+ HP. The heart of th...
$3,899.99
* Allow 2-4 weeks for orders to be shipped. Turbochargers are made to order.
Please contact [email protected] to see if a tune is available for t...
$2,199.99
Weistec Engineering is pleased to release the M157 W.3 Turbo Upgrade. We have developed proprietary aerodynamics designed to optimize extreme pressure operation...
$4,999.00
+459hp +369tq
M157 W.4 Turbochargers
Taking a giant leap ahead of all other available upgrades, the M157 W.4 Turbochargers completely replace the factory ...
$12,999.00
+231hp & +299tq
* Allow 2-3 weeks for orders to be shipped. Turbocharger systems are made to order.
Please contact [email protected] to see if ...
$7,399.00