BenzUnited Parts
Custom M177 ECU Tune for Mercedes-AMG C63 & C63S (W205) – 4.0L BiTurbo V8
Custom M177 ECU Tune for Mercedes-AMG C63 & C63S (W205) – 4.0L BiTurbo V8
Regular price
$2,500.00 USD
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$2,500.00 USD
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Custom M177 ECU tune for your W205 C63 or C63S with catless downpipes. Get sharper throttle response, stronger mid-range torque, and serious power gains with a custom calibration built specifically for your hardware and fuel.
Dyno Proven: 590 WHP / 620 WTQ with downpipes
Why Owners Choose Our Tune
- ✅ Sharper throttle & stronger mid-range pull
- ✅ Smoother power across the full RPM range
- ✅ All factory safety systems fully retained
- ✅ Built for your exact mods and fuel
- ✅ Simple flash with included data cable
How It Works – Super Simple
- Order → We ship the OBD data cable + instructions
- Read your stock file and email it to us
- Receive your single custom map
- Flash at home in minutes
Exact Compatibility
| Model | Chassis | Years | Engine |
|---|---|---|---|
| C63 AMG | W205 | 2015–2018 | M177 4.0L BiTurbo V8 |
| C63S AMG | W205 | 2015–2018 | M177 4.0L BiTurbo V8 |
Recommended Supporting Mods
- 🔥 Catless Downpipes – faster spool & richer sound
- 🧊 M177 Intake Spacer Kit – lower IATs
- ❄️ Front Mount Heat Exchanger + Auxiliary Heat Exchanger
Frequently Asked Questions
Will this tune trigger a check engine light?
No — our maps are designed to stay CEL-free with or without downpipes.
Is it safe for daily driving?
Yes — we keep all OEM safety strategies active and tune conservatively for long-term reliability.
What fuels does this M177 tune support?
91, 93, and race fuel. We build the map specifically for what you run.
Do I need additional mods before getting tuned?
No. Many customers start with just downpipes + tune. More supporting mods simply unlock bigger gains.
Downpipe options remove the factory catalytic converters, off-road use only
Not legal for use on emissions-controlled vehicles or public roads.
BenzUnited Parts • Real-World Tested M177 Tuning
