• Custom ECU tuning for Mercedes-Benz M112 V6 engines – boost power & throttle response
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BenzUnited Parts

Custom ECU Tune for M112 V6 – C320 E320 CLK320 SLK320 S350 Gains

Custom ECU Tune for M112 V6 – C320 E320 CLK320 SLK320 S350 Gains

$499.95 USD
$995.00 USD $499.95 USD
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Custom ECU Tuning for M112 V6 Engines

C240, C280, C320, E320, CLK320, SLK320, ML320, ML350, S320, S350

ECU Tuning for Mercedes M112

Unlock the true potential of your naturally aspirated Mercedes with our custom ECU calibration for the M112 V6 platform. Whether you're seeking better throttle response, smoother torque delivery, or more usable horsepower, this tune wakes up your engine without compromising factory reliability.

🔥 Performance Gains

  • 3.2L V6: Stock: 215 HP / 232 TQ → Tuned: 232 HP / 250 TQ
  • 2.8L V6: Stock: 194 HP / 199 TQ → Tuned: 212 HP / 220 TQ
  • 2.6L V6: Stock: 168 HP / 177 TQ → Tuned: 190 HP / 198 TQ
  • 2.4L V6: Stock: 168 HP / 166 TQ → Tuned: 182 HP / 180 TQ

*Power gains vary based on engine condition and fuel quality.

✔️ Why Choose Our Tuning?

  • Improved Throttle Response: Eliminates sluggish pedal feel and lag.
  • OEM Safety Maintained: All factory protections remain active.
  • Optimized for Longevity: Designed to improve efficiency and smooth torque curves.
  • Stealth Tune: Undetectable by dealer-level diagnostic tools.

🔧 How It Works

  • Bench Tuning: Mail your ECU to us. We’ll flash it and return it optimized.
  • Optional Induction Kit: Improve airflow with our upgraded kit for even better mid-range performance (contact us).

📌 Supported Models

  • C240 (1996–2005), C280 (1996–2000), C320 (2000–2005)
  • E320 (1998–2005), CLK320 (1996–2005), SLK320 (2000–2003)
  • S320 / S350 (1998–2005), ML320 / ML350 (1998–2004)

Transform the Feel of Your M112

Order today and rediscover how your V6 should’ve felt from the factory.

Questions? Email us anytime at benzunitedparts@gmail.com

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