Many providers advertise chip tuning for Mercedes-AMG, but what they fail to mention is that most of them only tune the engine control unit (ECU) and leave the CPC (Central Powertrain Controller) untouched . This means that the power is not fully released or - even worse - damage to the engine and transmission.
In this article we explain which mistakes many providers make , why incorrect tuning is risky and how you can get a clean and safe optimization with Stefanel Performance.
⚠️ Common errors in CPC and ECU optimization
Many tuners only focus on the engine control unit and forget that the CPC actually has control over important performance parameters. Other suppliers, on the other hand, try to bypass the CPC locks using questionable methods:
- 🔴 No adjustment of the CPC: Many only optimize the ECU, which means the vehicle still remains throttled.
- 🔴 Incorrect torque release: If the torque is released in the ECU but not adjusted in the CPC, the limitation remains active.
- 🔴 No gearbox tuning: Some suppliers forget that the torque releases and the atmospheric pressure also have to be adjusted in the TCU (gearbox control unit).
- 🔴 Manipulation of load axles: Instead of carrying out a clean release, incorrect values are stored, which throws the transmission out of balance.
- 🔴 Nut torque values set incorrectly: The gearbox receives inappropriate values, which can lead to shifting problems and damage.
The result? Error messages, jerky gear changes and in many cases even long-term damage to the transmission!
💥 The risks of bad software
If CPC, ECU and TCU are not coordinated, this can have massive consequences:
- 🔴 Poor drivability: The transmission cannot properly implement the additional horsepower.
- 🔴 Overheating: Incorrect torque values can overload the transmission.
- 🔴 Increased wear: Incorrectly optimized software leads to premature gearbox wear.
- 🔴 Error messages: The vehicle detects inconsistent values and issues warning messages.
Many providers only tune half of the software – and that can be expensive in the long run! ❌
✅ How we optimize CPC, ECU and gearbox cleanly
At Stefanel Performance we rely on professional coordination of CPC, ECU and gearbox to ensure that all control units are perfectly coordinated . Our optimization ensures:
🚀 CPC optimization
- ✔ Full torque release across the entire speed range
- ✔ VMAX removal – No more artificial limit
- ✔ Launch Control optimization for maximum acceleration
⚙️ ECU optimization (engine control unit)
- ✔ More power and torque
- ✔ Better response
- ✔ Efficient fuel combustion
⚙️ TCU optimization (gearbox)
- ✔ Shift times adjusted – Faster upshifts & smoother downshifts
- ✔ Gearbox torque release adjusted
- ✔ Increased clutch pressures for more stability
🛠️ Why Stefanel Performance?
✔ No manipulation of false values – We optimize cleanly and safely.
✔ Maximum safety – Our optimization is designed for the longevity of your engine & transmission.
✔ 100% remote possible – No workshop visit necessary!
✔ Can be retrofitted – original software remains intact.
📞 Book CPC, ECU & transmission optimization now!
🔥 More power, better gear shifting & a clean tuning – with Stefanel Performance!
📞 Contact: +49 (0) 8031 409 2134
💬 WhatsApp: Write us a message
More power – but safely! 🚀
Hashtags:
#StefanelPerformance #CPCOptimierung #MercedesChiptuning #AMGUpgrade #GetriebeTuning #TCUOptimierung #ECUOptimierung #VMAXOff #Chiptuning #PerformanceTuning