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Servicing, MOT & Diagnostics

Triumph & MG Servicing, MOT & Diagnostics in London (TW1)

At Crown Classic Cars, we provide specialist servicing, MOT preparation and diagnostics for Triumph and MG classic cars. Based in TW1 and serving Richmond, Twickenham, West London and Surrey, we deliver expert maintenance tailored to the unique requirements of classic British vehicles.

From routine servicing to in-depth diagnostics, we ensure your car remains reliable, safe and ready to drive.

We work across a wide range of classic models, including:
 

  • Triumph TR series, Spitfire and Stag

  • MG B, MGA and Midget

  • Other classic British sports cars

 

Our experience allows us to service these vehicles correctly, preserving both performance and originality.

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Full Service

A comprehensive inspection and service covering all key components. This includes tuning, adjustments and preventative maintenance to ensure long-term reliability.

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MOT Preparation

We prepare your vehicle for MOT testing by identifying and addressing any issues in advance, helping to avoid failures and ensure your car meets road safety standards.

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Diagnostics & Fault Finding

We carry out detailed diagnostics to identify underlying issues, from electrical faults to performance problems. Our approach combines traditional expertise with modern tools where appropriate.

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Health Checks

Thorough inspections designed to assess the overall condition of your vehicle. Ideal before long journeys, after storage, or when considering further work.

What's included in a Service?

Depending on the level of service, work may include:

  • Oil and filter changes

  • Ignition system checks and timing

  • Carburettor tuning and balancing

  • Brake inspection and adjustment

  • Suspension and steering checks

  • Cooling system inspection

  • Electrical system checks
     

Every service is tailored to your specific vehicle and how it is used.

Preventative Maintenance, Done Properly

Regular servicing is essential to maintaining the reliability and value of your classic car. Our approach focuses on identifying potential issues early, helping to prevent costly repairs and ensuring your Triumph or MG continues to perform as it should.

Why Choose Crown Classics

  • Triumph & MG specialists

  • Honest, expert advice at every stage

  • Clear, upfront estimates before work begins

  • Authentic, sympathetic approach to classic vehicles

  • Regular updates and transparent communication

Book a Service or Inspection

Whether your car is due a service or you’d like a full health check, we’re here to help.

Our Partners

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Crown Classic Cars Ltd, Unit 16D, Crown Yard, Crown Road, St Margarets, Twickenham, Middlesex, TW1 3EE

020 8891 6101

© 2026 Crown Classic Cars Limited.  All Rights Reserved.              Privacy Policy             © Photography by Nicky Adams      

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