
Engine
Intake
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
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
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
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
Performance
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 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
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
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
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

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