Pay in 4 interest-free payments of $243.75 Learn more
Ships within 48 hours · Estimated delivery Aug 21 - Aug 26
Up to 320HP and 355 LB-FT
- Manufactured by RENNtech
W166 | GLE-Class
Power gains are calculated with stock numbers measured by RENNtech
Other companies use a lower cost
RENNtech ECU Upgrade | S 600 | W220 | 417HP/446LB-FT | 5.8L V12 | M137 | MY2000-2002 carbon-fiber Up to 320HP and 355RENNtech ECU Upgrade for the 220 S 600. Up to 417HP and 446TQ. Gains: +55HP & +56TQ RENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal! Our proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few
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