Engine
Software
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...
$1,950.00
Stage 1
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...
$3,990.00
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...
$9,290.00
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...
$18,950.00