Driven by Passion and Expertise
Meet the Team Behind Mercia Performance Tuning
family-run business has spent over a decade helping Midlands motorists get the most out
of their engines with meticulous attention to detail and technical precision.
Our Story
Mercia Performance Tuning (Mercia Remaps) was founded by Mark, a lifelong car enthusiast with a passion for unlocking performance. Based in Lutterworth, Leicestershire, our family-run business has spent over a decade helping Midlands motorists get the most out of their engines.
Mark’s background in automotive engineering and motorsport means every vehicle is tuned with meticulous attention to detail and technical precision. What started as a personal hobby – tweaking and improving friends’ cars – has grown into a trusted local service built on quality workmanship and honest advice.
With over 500 vehicles successfully tuned and a 98% customer satisfaction rate, we’ve built our reputation one satisfied customer at a time. Many of our clients return with new vehicles or refer friends and family, which is the highest compliment we can receive.
500+
Vehicles Tuned
About Us - Frequently Asked Questions
Mark, our founder and lead technician, personally handles all ECU remapping work. With over 15 years of experience in automotive engineering and motorsport, Mark is fully trained and certified. He treats every vehicle with the same care as his own, ensuring all work is done to the highest standard.
Yes, we are fully insured for all the work we carry out, giving you complete peace of mind. Mark holds relevant certifications and we maintain all necessary professional indemnities. Our workshop meets industry standards and we follow all health and safety protocols.
Absolutely. Every remap we perform is completely bespoke and tailored to your specific vehicle. We never use generic, one-size-fits-all maps. Each tune is custom-developed based on your car's make, model, engine, and your specific requirements, ensuring optimal results and reliability.
We offer a comprehensive 30-day satisfaction guarantee. If you're not completely thrilled with the results, we'll work with you to adjust the mapping or provide a full refund, no questions asked. Your satisfaction is our top priority, and we won't rest until you're delighted with your car's performance.
With over 500 vehicles tuned across virtually every make and model, there's an excellent chance we've worked on your specific car before. Even if it's a rarer model, our extensive experience and access to comprehensive tuning databases means we can deliver exceptional results safely and reliably.
While we don't have an in-house dyno, we use proven, dyno-developed maps and extensive road testing to ensure optimal results. Our tuning methods have been validated on rolling roads and deliver consistent, reliable performance gains. If you specifically require dyno verification, we can arrange sessions at partner facilities.
We use only genuine, dealer-level diagnostic equipment and industry-leading tuning software from reputable providers like Alientech and other professional-grade platforms. This ensures the highest quality results and maintains compatibility with your vehicle's systems.
Yes, we always create and securely store a backup of your original ECU file before making any modifications. This acts as a safety net – if you ever want to revert to factory settings, we can restore your original map quickly and free of charge. Your backup is kept indefinitely for your peace of mind.
Yes, we work with several local garages and motor traders who trust us to provide remapping services for their customers. We offer competitive trade rates and professional support. Contact us to discuss partnership opportunities and trade pricing.
Our approach is built on safety first. Mark's extensive training and experience means we never push engines beyond safe limits. We perform comprehensive health checks before tuning, use conservative mapping parameters, and stay well within manufacturer tolerances. Our track record of zero engine failures speaks to our careful, professional approach.
Get in Touch with Our Team
Have questions about our experience or want to discuss your specific requirements? We’d love to hear from you.
Contact Our Expert Team
Let us know how we can help with your vehicle tuning needs
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