Description
Stage 1 ECU/ECM Tuning Service – FixECM
Unlock Power • Improve Response • Enhance Driving Experience
What Is Stage 1 Tuning?
Stage 1 tuning is a software-only ECU/ECM remap designed to safely increase your engine’s power and torque without requiring any mechanical upgrades.
This upgrade focuses on optimizing factory parameters such as:
Boost pressure
Ignition timing
Fuel delivery
Throttle response
Torque limits
Air/fuel ratios
Speed limiter & rev limiter adjustments
Manufacturers leave a large amount of “hidden power” inside the ECU for reliability margins, emissions limits, and global market conditions.
Stage 1 tuning safely unlocks this potential.
What Is an ECU/ECM Remap?
An ECU (Engine Control Unit) or ECM (Engine Control Module) remap means rewriting and optimizing the original calibration file inside your vehicle’s computer.
FixECM modifies the OEM software to:
✔ Increase horsepower & torque
✔ Improve throttle response
✔ Remove factory restrictions
✔ Optimize fuel and timing maps
✔ Enable smoother, stronger acceleration
✔ Reduce turbo lag
✔ Improve fuel economy under normal driving
This is not a cheap “OBD-flash tool tune.”
FixECM performs full read → remap → checksum correction → bench test for maximum reliability.
How Much Power Will Stage 1 Add?
Power gains vary by engine, but typical Stage 1 increases:
Turbocharged Gas Engines:
✔ +35–70 HP
✔ +50–120 TQ
Turbocharged Diesel Engines:
✔ +40–90 HP
✔ +70–160 TQ
Naturally Aspirated Engines:
✔ +8–20 HP
✔ +10–25 TQ
Every tune is custom built for your specific ECU, not a universal file.
Local GTA/Toronto Customers
You can visit our shop directly for same-day tuning.
We remove the ECU (if required), remap it, test it, and reinstall—usually within same-day.
Canada & USA Mail-In Service
Not in Toronto? No problem.
Mail your ECU/ECM to us
We perform the Stage 1 remap
Bench-test all functions
Ship it back the same day
Fast turnaround • High reliability • Plug-and-play guaranteed.
Why Choose FixECM?
✔ Professional ECU bench tuning (not basic OBD flash)
✔ Real dyno-tested Stage 1 calibrations
✔ Safe, reliable, OEM-level quality
✔ No mechanical upgrades required
✔ Better drivability + stronger performance
✔ Local shop in Toronto + fast mail-in service
✔ 1-Year Warranty on all programmed ECUs
Lucas Stewart –
I recently had the Stage1 tuning service done on my 2014 Mercedes-Benz GL 450, and I’m honestly blown away by the results. The increase in power is noticeable right away, and the car feels so much more responsive, especially with 510 HP under the hood now. What really impressed me was how easy the whole process was—they handled all the ECU programming remotely, so I didn’t have to worry about complicated installations. Plus, their team was super communicative, answering all my questions promptly and making sure I understood every step. Shipping was also very reasonable, which was a nice bonus on top of such professional service. Highly recommend this tuning if you want to unlock your GL’s full potential!
Spencer Taylor –
The Stage1 tuning took my GL 450 to a whole new level – smooth install with quick, professional programming and they kept me informed the entire time. Shipping was super fast too!
Cole Graham –
I’m really impressed with the Stage1 tuning service for my 2014 Mercedes-Benz GL 450. The performance gains are noticeable immediately, and the car feels much more responsive with that extra torque. The team provided excellent communication throughout the process, answering all my questions promptly and keeping me updated every step of the way. Shipping was quick and affordable, which was a nice bonus.
Colin Murray –
I recently had the Stage1 tuning service done on my 2014 Mercedes-Benz GL 450, and I couldn’t be happier with the results. The increase to 510 HP and 610 TQ really transformed the driving experience—my SUV feels so much more responsive and powerful now. What impressed me most was how smoothly the entire process went; the team provided professional ECU programming and made it a plug-and-play setup, so installation was hassle-free. They also kept me updated throughout, answering all my questions promptly, which gave me a lot of confidence. Shipping was quick and reasonably priced, making this upgrade even better. Definitely worth it for anyone looking to get more performance out of their GL 450.