Speedriven1

TCU SOFTWARE
TRANSMISSION CONTROL SOFTWARE UPGRADE

Speedriven's TCU software upgrade raises the torque limits allowed by Mercedes' factory software, preventing slip and improving shift quality on higher-horsepower projects. Combine with ECU software upgrade for maximum effect.

- REDUCED TRANSMISSION SLIPPING
- SMOOTHER, CRISPER SHIFTS

Available for all 2003-06 V12 Biturbo Mercedes / AMG / Maybach. Coming soon for 55 Kompressor, SLR, and HEMI Chrysler.

Speedriven1

Getting a lot of TCU questions on my "pulling back the curtain" thread - bumping this to try to keep that one "on topic".