S-Class (W221) 2007-2013: S 320 CDI, S 350, S 450, S 500, S 550, S 420 CDI, S 600

SPEEDRIVEN | TCU Upgrade

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Old 10-28-2010, 05:53 PM
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Speedriven
SPEEDRIVEN | TCU Upgrade



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.

Last edited by Speedriven1; 10-30-2010 at 02:32 PM. Reason: Oops ... should have been in W220 section!!

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