Mobile ECU Remapping for Cars and Vans
We Come to You
Midlands’ Premier ECU Remapping & Performance Tuning Specialists
Based in Lutterworth and serving Rugby, Coventry, Leicester, and surrounding areas, we deliver safe, professional engine tuning that you can trust. With over 15 years of expertise, our certified technician has tuned 500+ vehicles, achieving gains of up to 40% more horsepower and torque on average.
Offer ends End of June
Why Choose Mercia Remaps ?
the Midlands’ most trusted performance tuning specialists.
Proven Results
Gain up to 40% more power and significantly increased torque for stronger acceleration. Many drivers also see 10–15% improved fuel economy after our remaps.
Expertise & Safety
With decades of combined experience, we use state-of-the-art tuning software and dealer-grade equipment. Every remap is custom-tailored and kept within safe manufacturer limits.
Local, Friendly Service
As a Midlands-based company, we serve a 20–25 mile radius around Rugby/Lutterworth with mobile remapping service.
98% Satisfaction Rate
Our focus on quality has earned us a 98% customer satisfaction rate and glowing reviews. We treat your car as if it were our own with a comprehensive warranty.
Car remaps from £129. Vans and commercial vehicles quoted per vehicle.
Call 07773 694570 for your price
We come to you
You do not need to drop the vehicle off, book a courtesy car or lose a day's work. We bring the equipment to your home, your yard or wherever the vehicle is parked, and do the whole job on site.
We cover a 20 to 25 mile radius of Rugby and Lutterworth, and a workshop visit is there if you would rather bring it to us.
- We travel to you, at home or at work
- Most jobs done in one visit
- Written before and after figures
- Your original map saved and kept
Vans and commercial vehicles
A van that is worked hard is a different job from a family car. It carries weight, it sits at motorway speeds for hours, and every mile it does costs the person driving it money. Most van drivers who call us are not chasing a power figure. They want the thing to pull properly from low revs when it is loaded, and they want it to use less fuel on the same round.
We work on Transits, Transporters, Sprinters, Vivaros, Crafters, pickups and car derived vans, for sole traders and small businesses across the Midlands. Tell us what the van does in a normal week and we will tell you honestly whether a remap is worth it for you, and what it would realistically change.
Because the service is mobile, the van does not need to leave your yard.
Talk to us about your vanOur Services at a Glance
Mercia Performance Tuning offers a full range of ECU and vehicle tuning
solutions – from stage 1 performance remaps to advanced DPF/EGR fixes.
ECU Remapping
Unlock up to 40% more power and torque with our custom ECU remapping service. Each remap is bespoke to your vehicle for maximum safe gains.
- Up to 40% more power and torque
- Custom mapping for your vehicle
- Safe manufacturer tolerances
- Lifetime software warranty
Performance Tuning
Stage 1, 2 & 3 performance remaps for enthusiasts seeking maximum power gains and track-ready performance.
- Stage 1, 2 & 3 tuning options
- Track-ready performance
- Enhanced throttle response
- Motorsport-grade calibration
Economy Tuning
Improve fuel efficiency by 10-15% with our eco-friendly remaps that optimize engine efficiency without sacrificing performance.
- 10-15% improved fuel economy
- Lower running costs
- Reduced emissions
- Smoother power delivery
DPF/EGR Solutions
Professional solutions for DPF, EGR, and AdBlue issues to restore your vehicle’s reliability and eliminate warning lights.
- DPF diagnostics and forced regeneration
- EGR valve solutions
- AdBlue system fixes
- No more warning lights
Experience the Difference
Feel the immediate improvement in your car’s driveability – smoother power delivery, more responsive acceleration, and fewer trips to the pump. Our Dyno-proven remapping strategies have been developed to enhance your vehicle’s performance while improving engine health.
- Custom-tailored maps for your specific vehicle
- State-of-the-art diagnostic equipment
- Within safe manufacturer tolerances
- Comprehensive warranty and aftercare
By optimizing combustion and reducing engine strain, our tunes can even lead to a longer engine life when driven responsibly. At Mercia Remaps, power and reliability go hand in hand.
Ready to Transform Your Ride?
elevated their driving experience with Mercia Performance Tuning. Call us today
or use our online Vehicle Lookup tool to see what gains are possible for your
specific car.
with confidence and excitement!
Frequently Asked Questions
ECU remapping involves reprogramming the software in your car's Engine Control Unit to optimize performance. Manufacturers often program cars conservatively to account for poor fuel or different climates. We fine-tune those settings for UK conditions and your needs, resulting in higher horsepower, more torque, and often better fuel efficiency.
Yes – when done by professionals like Mercia Remaps, remapping is completely safe. We operate well within the tolerance limits of your engine and drivetrain. Before tuning, we perform a full health check and diagnostics to ensure your vehicle is in good condition. We never push things to the edge and always keep vital components in their safe ranges.
A typical ECU remap takes 1-2 hours to complete. This includes the initial diagnostic check, reading your current ECU file, creating the custom map, uploading it to your vehicle, and performing final tests. We offer both mobile service (we come to you) and workshop visits.
Most modern petrol and diesel cars can be remapped. Exceptions include very old vehicles or some hybrid models. The best gains are typically seen on turbocharged engines. Contact us with your vehicle details or use our vehicle lookup tool to check compatibility and potential gains.
A remap can potentially affect your manufacturer warranty if detected during a warranty claim investigation. However, we use techniques to minimize detectability, and we provide our own comprehensive software warranty and satisfaction guarantee as protection.
Yes, we offer a 30-day satisfaction guarantee – if you're not happy, we'll adjust or refund, no questions asked. We also keep a secure backup of your original ECU file, so we can restore factory settings free of charge if ever needed. Our software itself comes with a lifetime warranty.
We proudly serve the Midlands region including Rugby, Coventry, Leicester, Lutterworth, Northampton, Kettering, Hinckley, Nuneaton, Leamington Spa, Warwick, and everywhere in between. We offer mobile service within a 20-25 mile radius of Rugby/Lutterworth.
Remap pricing depends on your vehicle and the type of tuning required. We offer competitive rates with payment options available. Contact us for a personalized quote based on your specific vehicle and requirements. We believe in transparent pricing with no hidden costs.
Absolutely. We keep a secure backup of your original ECU file and can restore the factory settings quickly and free of charge if you ever need to revert back to stock configuration.
It depends on how you drive. Our remaps increase your engine's torque and efficiency, meaning the car requires less throttle to maintain speed. If you drive gently, you could see 5-15% better fuel economy. However, if you utilize the extra power frequently, you may use more fuel during those spirited moments. The choice is yours!
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