Mercedes-Benz AMG & Luxury Car Servicing and Repairs in Langley, Slough

Mercedes-Benz AMG & Luxury Car Servicing and Repairs

Mercedes-Benz AMG & Luxury Car Servicing & Repairs

AMG models are the pinnacle of Mercedes-Benz engineering – blending luxury craftsmanship with raw performance. At Onyx Performance in Langley, Slough, we specialise in servicing, repairing, and upgrading AMG and high-end Mercedes-Benz vehicles. Whether you drive a C63, E63, G63, or a bespoke AMG GT, our precision workmanship ensures your car stays in perfect condition.

Our expert technicians follow Mercedes-Benz and AMG service schedules exactly, using advanced diagnostic tools to maintain both performance and reliability. From routine maintenance and gearbox servicing to complex engine repairs and custom performance tuning, we use only genuine or premium-quality parts for lasting results.

Mercedes owners across Langley, Slough, and surrounding areas choose Onyx Performance for our unmatched expertise, attention to detail, and passion for performance cars. We combine main-dealer standards with a personalised, transparent approach that keeps you informed every step of the way.

Why Choose Onyx Performance?

As Seen on Carwow

We’ve been proudly featured on Carwow – a testament to the quality, professionalism, and performance-focused results that set us apart. Watch our feature here to see us in action.

Expertise You Can Trust

With years of experience and deep technical knowledge, our team understands performance vehicles inside and out – from custom remaps to high-end servicing.

Advanced Workshop & Tools

We operate from a state-of-the-art facility in Slough, equipped with cutting-edge diagnostics, dyno testing, and industry-leading tools for accurate, high-quality work.

Tailored Solutions for Every Vehicle

We don’t believe in one-size-fits-all. Every car gets a bespoke approach, ensuring the best results whether it’s a remap, upgrade, or routine service.

Trusted Nationwide

Performance enthusiasts from across the UK come to Onyx because they know they’ll receive premium-quality workmanship, careful attention to detail, and honest advice.

Complete Care, All in One Place

From tuning and servicing to tyres, trackers, and immobilisers – we offer a full suite of services under one roof, all with a strong focus on safety, reliability, and top-tier customer support.

Customer Reviews

Book Your AMG or Mercedes-Benz Service in Langley, Slough

Put your AMG or luxury Mercedes-Benz in the hands of true specialists at Onyx Performance, Langley, Slough. We offer precision servicing, expert diagnostics, and performance upgrades tailored to your exact model. From high-powered AMG engines to the most refined luxury sedans.

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Why Choose Onyx Performance for Servicing?

Experts in Performance Cars

We know how to properly care for performance, modified, and luxury vehicles. Our team has the skills and experience to handle specialist requirements confidently.

Correct Service Schedules

Every service follows the exact schedule recommended by your vehicle’s manufacturer, helping maintain performance and protect your warranty.

Quality or OEM Parts

We only use high-quality aftermarket or original manufacturer parts, ensuring long-lasting reliability and top-level performance.

Full Vehicle Inspection

Our service goes beyond just changing oil. We inspect all key systems to keep your car safe, smooth, and road-ready.

Honest Advice, No Surprises

With transparent pricing and expert recommendations, you’ll always know what your car needs – no upselling, no hidden fees.

Fast, Trusted & Tracked

We offer quick turnaround, maintain service records, and send reminders – that’s why customers travel to us from across the UK.

Frequently Asked Questions

Do you service all AMG and Mercedes-Benz models?

Yes – we work on the full range, from classic AMG performance saloons to the latest high-performance SUVs and luxury models.

Will you use genuine Mercedes-Benz or AMG parts?

We only use genuine Mercedes-Benz/AMG parts or premium OEM alternatives to ensure optimal performance, reliability, and value.

Can you carry out AMG performance upgrades?

Absolutely – we offer ECU tuning, exhaust upgrades, suspension enhancements, and more, all tailored to improve both performance and driving feel.

Do you follow Mercedes-Benz’s official service schedules?

Yes – all work is carried out in accordance with official manufacturer guidelines to preserve both performance and warranty compliance.

Can you update my Mercedes-Benz digital service history?

Yes – we can log and update your digital service records to ensure your car’s maintenance history remains complete and verifiable.

Is your servicing warranty-safe?

Yes – our services meet and often exceed manufacturer standards, ensuring your vehicle’s warranty remains intact.

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