A simple (but not cheap) ECU upgrade has enabled this GT 63 S to set a new record at the drag strip.
The Dawn and Wraith get an ECU remap and a lowering module that works with the standard air suspension.
After being subjected heavy tuning, this hyper estate has become quicker than some current supercars.
The hardcore German supercar now has 810 horsepower and 1,000 pound-feet of torque available on tap.
The tuned GT R is no match for the Chiron, but just how big of a difference is there between those two? .
The upgraded GT R ran the course 7 seconds quicker than the stock model – but the tuner thinks it can do better.
This tuned second-gen CLS shows bystanders at a car meet how a V8 should sound.
The mods include not just a software tune, but a turbo upgrade too.
Besides the extra muscle, Renntech’s tuned Mercedes-AMG GT R has some bodywork upgrades, too.
This drop-top Geländewagen listed for sale was privately imported to the United States and supercharged by RennTech.
Compared to the S63 and S65 versions of the car, the Mercedes-Benz…
Back in the early 2000’s, if you couldn’t afford an SLR, the…