Mercedes-AMG E63, E63 S & Other M177-Powered Models Tuning & Remapping
Unlock the Full Potential of Your AMG with Onyx Performance
Enhance the power, torque, and responsiveness of your Mercedes-AMG E63 & E63 S (W213 – 2016-Present) and other M177-powered AMG models, including:
- C 63 & C 63 S (W205/C205)
- E 63 & E 63 S (W213)
- S 63 (W222/W223)
- G 63 (W463A)
- GLC 63 & GLC 63 S (X253/C253)
- GLE 63 & GLE 63 S (W167)
- GLS 63 (X167)
At Onyx Performance, based in Slough, Berkshire, we offer custom ECU remapping, gearbox tuning, and performance upgrades to dramatically improve your AMG’s power and drivability while ensuring long-term reliability. Whether you own a sedan, coupe, SUV, or performance estate, our expert tuning solutions extract maximum performance from the M177 4.0L twin-turbocharged V8 engine.
Stage 1 & Stage 2 Tuning – Power Gains
Stage 1 – ECU Remap (Stock Hardware)
Ideal for daily driving with significant power gains and no modifications required.
Estimated Power Gains Across Models:
| Model | Stock Power | Stage 1 Power Gains |
|---|---|---|
| C 63 / GLC 63 AMG | 469HP / 650Nm | 600HP / 800Nm |
| E 63 / E 63 S AMG | 563HP / 750Nm (E63) | 700HP / 900Nm |
| 603HP / 850Nm (E63 S) | ||
| G 63 AMG | 577HP / 850Nm | 680HP / 1000Nm |
| S 63 AMG | 603HP / 900Nm | 720HP / 1050Nm |
✔ Sharper throttle response & reduced turbo lag
✔ Optimised ignition, fueling, and boost control
✔ Enhanced turbo efficiency & fuel economy
💡 Highly Recommended: Upgraded spark plugs for better ignition under increased power loads.
Stage 2 – ECU & Gearbox Remap (With Upgraded Hardware)
Designed for those seeking maximum performance, Stage 2 integrates essential hardware upgrades for enhanced airflow, turbo efficiency, and fueling capacity.
Estimated Power Gains Across Models:
| Model | Stage 2 Power Gains |
|---|---|
| C 63 / GLC 63 AMG | 700HP / 900Nm |
| E 63 / E 63 S AMG | 780HP / 1000Nm |
| G 63 AMG | 750HP / 1150Nm |
| S 63 AMG | 800HP / 1200Nm |
✔ Stronger midrange torque & linear power delivery
✔ Faster turbo spool & sharper throttle response
✔ Higher top-end performance & improved cooling
Required Hardware Upgrades:
🔧 Decat Downpipe or High-Flow Sports Catalyst – Improves turbo efficiency & exhaust flow.
🔧 Cat-Back Exhaust System – Optional but recommended for enhanced sound.
🔧 Upgraded Air Intake System – Optimises airflow for better performance.
🔧 Performance Fuel Injectors – Ensures correct fueling under high power.
🔧 Upgraded Spark Plugs – Essential for reliability at higher boost levels.
📞 Call us now on 01753 439321 to discuss Stage 2 tuning for your AMG!
Looking for Even More Power?
For extreme performance enthusiasts, we offer Stage 3+ tuning, including:
- Hybrid turbo upgrades – Maximum boost and airflow.
- High-pressure fuel pumps – Ensures proper fueling under high loads.
- Methanol injection kits – Reduces intake temperatures for added power.
📞 Call us on 01753 439321 to explore Stage 3 tuning options!
Why Choose Onyx Performance for AMG Tuning?
✔ Rolling Road (Dyno) Testing – Verified power gains.
✔ Data Logging & Diagnostics – Ensuring optimal engine performance.
✔ Before & After Performance Printouts – See measurable improvements.
✔ Engine Smoke Tests – Detects any boost or vacuum leaks.
✔ Custom ECU Calibration – Tailored tuning for every AMG model.
✔ Optional Features: Overrun Crackles, Speed Limiter Removal & Fault Code Deletes.
Exhaust Upgrades for AMG Models
Enhance the sound and performance of your AMG with premium exhaust upgrades:
🔧 Decat Downpipes – Maximises power output.
🔧 High-Flow Sports Catalysts – Reduces backpressure while staying emissions-friendly.
🔧 Cat-Back Exhaust Systems – Improves sound and efficiency.
🔧 Performance Intercoolers – Lowers intake temperatures for more consistent power.
🔧 Resonator Deletes – Enhances exhaust note for a sportier sound.
📞 Call us on 01753 439321 to upgrade your AMG’s exhaust system!
Servicing & Maintenance for AMG Models
Keeping your AMG in peak condition is essential for long-term reliability.
🔧 Routine Servicing – Oil changes, filter replacements & full inspections.
🔧 Brake Repairs & Upgrades – OEM and performance brake kits available.
🔧 Suspension Maintenance – Enhancing handling and ride quality.
🔧 Diagnostics & Fault Repairs – Preventative maintenance for peace of mind.
📞 Book your AMG service today: 01753 439321
Styling, Performance Upgrades & Vehicle Security
Styling and Performance Upgrades:
🎨 Carbon Fibre Aero Kits – Aggressive styling & improved aerodynamics.
🎨 Lowering Springs & Coilovers – Better stance & handling.
🎨 Big Brake Kits – Enhanced stopping power for high-performance driving.
Vehicle Security Solutions:
🔒 Autowatch Ghost Immobilisers – Prevents key cloning & theft.
🔒 MetaTrak & Scorpion Trackers – Real-time GPS tracking.
🔒 Fleet Tracking Systems – For monitoring multiple high-value vehicles.
📞 Protect your AMG today – Call 01753 439321 for security solutions!
What Our Customers Say
⭐ “Stage 1 tuning completely transformed my E63! The power gains are unreal.” – Tom W., London
⭐ “Stage 2 tuning with a decat exhaust made my G63 sound and drive like a beast!” – Alex R., Birmingham
📞 Join our satisfied customers – Call 01753 439321 today!
Flexible Finance Options Available
💳 Spread the cost of your AMG tuning, performance upgrades, and security solutions over 4 monthly payments.
✅ All prices include VAT
✅ No hidden fees
✅ Simple application process
📞 Call now: 01753 439321 to book your AMG tuning today!
🚗 Unleash the full potential of your Mercedes-AMG with Onyx Performance! 🚗
