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
Drive Belts
Weistec Engineering will now be offering the same CNC machined aluminum belt idlers that are used with our supercharger systems. The factory Mercedes parts are ...
$649.00
Emissions
Weistec's Oil / Air Separator system is a must have for completely stock vehicles, to those upgraded with the Weistec Supercharger. The separator system vas...
$699.00
Intake
Constructed with 100% polyurethane on all four sides, this high flow "oil-free" OE replacement performance filter will outflow stock paper filter for ...
$182.70
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...
$182.70
Our proprietary 82mm Performance Throttle body package offers a 22% increase of incoming air volume. This translates into a noticeable gain in both overall perf...
$3,945.00
Looking to upgrade your Mercedes AMG CL63/E63/S63 11-16 V8-5.5L(t) air filters? aFe power's Pro 5R performance filters are constructed with 100% polyurethan...
$182.70
GFB’s DV+ solution couldn’t be simpler - keep what works and replace what doesn’t.
Worldwide Patent and Design Patent Pending
Re...
$159.00
$143.10
Looking to upgrade your Mercedes AMG CL63/E63/S63 11-16 V8-5.5L(t) air filters? aFe power's Pro DRY S performance filters are Constructed with 100% polyuret...
$189.09
By optimizing the path and increasing the volume of incoming airflow, our carbon air box is able to offer gains up to +10 hp and + 5 lb/ft of torque, in additio...
$2,460.00
Using the highest quality pre-preg carbon fiber, our 4-piece airbox kit for the 63 series biturbo M157 engine comes complete with flow optimized turbo tub...
$4,960.00
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...
$2,980.00
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...
$3,480.00
RENNtech's 3rd Generation Diverter Valve for the M157 5.5L V8 BiTurbo features an all-new Blow-Off Valve implemented into the re-designed OEM turbo tubes.
...
$980.00
RENNtech's 3rd Generation Diverter Valve for the M157 5.5L V8 BiTurbo features an all-new Blow-Off Valve implemented into the re-designed OEM turbo tubes.
...
$980.00
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...
$3,480.00
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...
$3,480.00
The Weistec M156 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 ...
$199.00
Mechanical
Our forged pistons and billet rods are designed as direct replacement for the OEM pistons and rods. The pistons use a wrist pin that is stronger and of a better...
$9,299.00
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...
$1,769.00
The main bolts of the M157 engine are torque to yield bolts, making them one time use bolts. When assembling an M157 engine, new main bolts must be used to ensu...
$939.00
Performance
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
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
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
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
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
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
The R1 performance package includes our proprietary ECU tune and higher efficiency intercooler pump for increased, power, performance and throttle response...
$3,990.00
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
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
The R1 performance package for the Mercedes 600 V12 engines includes our proprietary ECU upgrade, TCU (transmission control unit) upgrade in addition to our hig...
$3,640.00
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
The R1 performance package includes our proprietary ECU tune and higher efficiency intercooler pump for increased, power, performance and throttle response...
$3,990.00
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
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
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 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
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
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
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
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
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 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
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 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 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
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
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
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
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
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
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
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
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
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
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
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
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
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...
$27,480.00
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 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
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
RENNtech M279 Biturbo ECU Upgrades are TÜV approved!
Our proprietary ECU upgrade for the Mercedes M276 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
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
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
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...
$3,495.00
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
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
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
RENNtech M157 Biturbo ECU Upgrades are TÜV approved!
Our intermediate level ECU upgrade for the Mercedes M157 engine still offers huge gains i...
$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
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
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
Our intermediate level ECU upgrade for the Mercedes M157 engine still offers huge gains in performance across the entire RPM range, but with a slightly reduced ...
$2,850.00
Our proprietary ECU+ upgrade for the Mercedes M157 Biturbo 4-MATIC engine offers huge gains in performance across the entire RPM range without sacrificing aroun...
$3,495.00
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 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
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 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 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 engine offers huge gains in performance across ...
$3,495.00
The RENNtech R1 Performance Package is the perfect entry level performance upgrade for the S 63 AMG. With the combination of the RENNtech ECU Upgrade ...
$4,380.00
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
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
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
+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
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
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
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
Software
416 HORSEPOWER, 420 FT-LBS TORQUE
The Weistec M273 ECU upgrade For the naturally aspirated 5.5 liter V8 engine provides substatial gains across the entire po...
$899.00
+159 HORSEPOWER +322 FT-LBS TORQUE!
As an industry leader in tuning and calibration, Weistec Engineering is proud to introduce the much anticipated ECU...
$1,499.00
Stage 2
+211HP, +321TQ
As an industry leader in tuning and calibration, Weistec Engineering is proud to introduce the much anticipated ECU tune for the bi...
$2,099.00
Stage 1
+166HP, +246TQ
As an industry leader in tuning and calibration, Weistec Engineering is proud to introduce the much anticipated ECU tune for the bi...
$1,899.00
Turbocharger
The Weistec ASV System adds a Weistec Anti Surge Valve (ASV) to the BiTurbo AMG M157 and M278 engines. From the factory the M157 engine was never given an...
$2,199.00