Mercedes-Benz GLC400d X253 FL Remap & Tuning
Upgrade your Mercedes-Benz GLC400d 330HP with professional Stage 1 and Stage 2 ECU tuning from Onyx Performance in Slough, Berkshire. Our tuning solutions are designed to improve power, torque, throttle response and overall drivability from the 3.0-litre inline-six OM656 diesel engine.
The Mercedes-Benz GLC400d X253 facelift combines strong diesel performance with everyday comfort and refinement. Our ECU remapping options are tailored to help unlock more of the engine’s potential while maintaining smooth and responsive performance.
Mercedes-Benz GLC400d Performance Figures
| Performance | Power (HP) | Torque (Nm) |
|---|---|---|
| Standard Performance | 330 | 700 |
| Stage 1 Remap | 395 | 800 |
| Stage 2 Remap | 415 | 830 |
Stage 1 Remap Price: £399.00
Original Price: £478.80
Stage 2 Remap: Call for a Stage 2 quote
Performance figures are indicative and may vary depending on vehicle condition, specification, fuel quality and modifications. All tuning is subject to vehicle assessment.
Gearbox Tuning
A gearbox remap can complement your engine tuning by refining gear changes, improving shift response and optimising transmission behaviour.
- Stage 1 Gearbox Remap: Contact for Price
- Stage 2 Gearbox Remap: Contact for Price
- Stage 3 Gearbox Remap: Contact for Price
BEFORE TUNING
Before carrying out an ECU remap, we recommend ensuring your Mercedes-Benz GLC400d is in good mechanical condition. Any existing engine warning lights, fault codes or maintenance issues should be investigated before tuning.
SERVICING AND MAINTENANCE
Regular servicing is important for maintaining the reliability and performance of your GLC400d. We recommend keeping up with scheduled oil changes, filters and routine inspections, particularly when increasing engine output.
EXHAUST UPGRADES
Enhance your Mercedes-Benz GLC400d with suitable exhaust upgrades. Our team can discuss available options to complement your vehicle’s performance and styling.
PERFORMANCE UPGRADES
Alongside ECU remapping, we can discuss additional performance enhancements to help you get more from your GLC400d. Every upgrade should be selected according to your vehicle’s specification and intended use.
STYLING AND BODY UPGRADES
Give your GLC400d a distinctive appearance with styling and body enhancements. Contact our team to discuss available options for your vehicle.
VEHICLE SECURITY
Protect your Mercedes-Benz with vehicle security solutions from Onyx Performance. Speak to our team about suitable security enhancements for your vehicle.
WHY CHOOSE ONYX PERFORMANCE?
- Professional ECU remapping and performance tuning
- Tailored tuning solutions for your vehicle
- Stage 1 and Stage 2 tuning options
- Gearbox remapping options
- Performance, styling and security enhancements
- Based in Slough, Berkshire
REMAPPING IN SLOUGH
Onyx Performance provides professional vehicle remapping in Slough, Berkshire. If you’re looking to improve the performance of your Mercedes-Benz GLC400d, contact our team to discuss the most suitable tuning option.
Frequently Asked Questions
How much power can a Stage 1 remap add to my Mercedes-Benz GLC400d?
The standard GLC400d produces 330HP and 700Nm. Our indicative Stage 1 figures are 395HP and 800Nm, offering an increase in both power and torque.
How much power can a Stage 2 remap produce?
Our indicative Stage 2 figures are 415HP and 830Nm. Stage 2 tuning may require supporting hardware modifications, depending on the vehicle and setup. Contact us for a tailored quote.
Do I need hardware upgrades for Stage 1 or Stage 2?
Stage 1 tuning is generally designed around a standard vehicle. Stage 2 may require supporting hardware upgrades, depending on the tuning specification and vehicle condition.
Can I have a gearbox remap with my engine remap?
Yes. Gearbox tuning can complement your engine remap. Contact us to discuss the available gearbox tuning options for your GLC400d.
Can I have a dyno session?
Yes. Dyno sessions are available at £120.00. Contact us to arrange a session.
Do you offer Stage 3 tuning?
Please contact Onyx Performance to discuss Stage 3 tuning availability and the hardware requirements for your vehicle.
Does my Mercedes-Benz GLC400d need an ECU unlock?
The listed ECU for this model is Bosch MD1CP001. ECU access and unlock requirements depend on the ECU hardware and software version fitted to your vehicle. We can assess your ECU and confirm the available tuning options before proceeding.
BOOK YOUR REMAP
Contact Onyx Performance to discuss Stage 1 or Stage 2 tuning for your Mercedes-Benz GLC400d X253 FL. Our team can help you choose the right option for your vehicle.
Contact Onyx Performance
Transform your Mercedes-Benz GLC400d today with Onyx Performance. Whether you’re looking for Stage 1 or Stage 2 remapping, performance exhaust systems, styling enhancements, or vehicle security solutions, our expert team is here to help.
