Mercedes - 2012-2020

Mercedes SL 500/550 4.6 TT V8 (M 278 DE 46 AL)

Mercedes SL 500/550 4.6 TT V8 (M 278 DE 46 AL)

Horse Power
+ 91 HP

Factory
429 HP
TP Tuned
520 HP

Torque
+ 114 TQ

Factory
516 TQ
TP Tuned
630 TQ

Mercedes SL 500/550 4.6 TT V8 (M 278 DE 46 AL)

$2,500.00 USD
$2,500.00 USD
Sale Sold out
View full details

Performance ECU Software by Tune Plug

  • Optimized Power: Plug-and-play setup with no modifications needed.
  • Seamless Installation: Plug-and-play setup with no modifications required.
  • Built for Longevity: High-quality tuning designed for lasting reliability.
  • Factory Safe: Easily restore stock settings whenever needed.

About The Tune Plug

Unlike generic tuning solutions, at Tune Plug we specialize in precision ECU tuning for Euro & Exotic vehicles, delivering more power, sharper throttle response, and enhanced torque. Our software is designed for seamless integration, ensuring a smoother, more responsive driving experience with faster acceleration throughout the rev range.

With our software, your stock ECU settings are securely stored, allowing you to revert back to factory mode at any point. Whether you're chasing performance gains or a more aggressive exhaust note, we’ve got the tune for you.

Your original ECU settings are securely backed up, giving you the flexibility to restore them whenever needed.

  • Octane-Specific tuning to optimize performance for different fuel grades.
  • Adds or enhances burble effects when applicable
  • Unlocks full speed potential for track use.

Remote tuning available worldwide. Text or WhatsApp us at +1 (623) 499-5389