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Expert Mobile Car Repairs in Hertfordshire
Mobile Auto Services has been delivering expert automotive repair and maintenance solutions across Hertfordshire and surrounding areas for over two decades. Our team of fully equipped mobile mechanics brings garage-standard services directly to your doorstep, offering cost-effective alternatives to main dealers without compromising on quality. With extensive experience spanning 23 years and a comprehensive skill set covering over 50 vehicle manufacturers, we specialise in complex diagnostics, MOT failure rectification, timing belt replacements, diesel fuel injection systems, and emergency brake repairs.

Our commitment to customer satisfaction is demonstrated through transparent one-to-one service, competitive pricing at half main dealer rates, and flexible on-site solutions that save both time and money. Backed by industry recognition from the FreeIndex Car Servicing Companies directory, we combine advanced mobile diagnostic equipment with traditional mechanical expertise to ensure reliable, long-term vehicle performance for both private and commercial clients.
Services
Mobile Brake Repair MOT Failure Work Timing Belt Replacement Diesel Fuel Injection Repair Car Battery Replacement Clutch Replacement Water Pump Replacement ECU Remapping Welding Repairs Car Diagnostic Service
Highlights and features
  • 23 years of automotive repair expertise
  • Fully equipped mobile mechanics at your doorstep
  • Competitive pricing at half main dealer rates
  • Servicing over 50 vehicle makes and models
  • Transparent one-to-one customer service
Associations and certifications
  • FreeIndex Car Servicing Companies directory
What people say
Mobile service convenience Competitive pricing Expert technical knowledge Clear explanations Time-saving solutions
Services
Mobile Brake Repair
Our mobile brake repair service addresses front and rear brake wear issues caused by driving conditions and vehicle load distribution. We diagnose and resolve spongy brake pedals, fluid leaks, and excessive wear while explaining the technical balance between front and rear brake efficiency. Using professional diagnostic equipment, we replace brake pads, discs, and hydraulic components at your location, ensuring optimal braking performance and safety compliance.
MOT Failure Work
We specialise in resolving MOT failure issues identified by testing centres. Our mechanics perform pre-MOT inspections and complete necessary repairs for emissions, suspension, brakes, and exhaust systems. We handle VT30 documentation requirements and offer pickup/drop-off services for test centres. Our technicians explain common failure points like tyre tread depth, suspension wear, and exhaust integrity to help prevent future test failures.
Timing Belt Replacement
Critical timing belt replacement services prevent engine damage in interference engines. We follow manufacturer guidelines for replacement intervals between 34,000-100,000 miles, inspecting tensioners, pulleys, and water pumps during replacement. Our mechanics explain the risks of belt failure and recommend simultaneous component replacements to maximise engine longevity and reliability.
Diesel Fuel Injection Repair
Specialist diesel fuel injection diagnostics and repairs for light commercial vehicles and passenger cars. We address common issues with starting equipment, fuel pumps, and injection systems using mobile diagnostic tools. Our technicians resolve performance problems caused by contaminated fuel, worn injectors, and electronic control unit faults while explaining maintenance practices to prevent future issues.
Car Diagnostic Service
Advanced engine management diagnostics using professional equipment to resolve check engine lights. We interpret error codes from all vehicle ECUs, identifying issues with sensors, emissions systems, and mechanical components. Our diagnostics include visual inspections of critical systems and explanations of fault codes in plain language to help customers understand necessary repairs.
Questions
What areas do you cover for mobile services?
We cover all Hertfordshire areas including Watford, Hemel Hempstead, and St Albans, plus selected London locations. Contact us to confirm coverage for your specific postcode.
How much do your car services cost?
Our fixed-price servicing starts from £99 for basic oil changes up to £199 for full manufacturer-compliant services, typically half main dealer rates.
Can you perform MOT repairs?
Yes, we complete all MOT failure repairs identified by test centres, including emissions, suspension, and brake system issues, with pickup/drop-off options available.
Do you offer emergency breakdown assistance?
While not a 24/7 emergency service, we prioritise urgent brake failures and breakdowns during regular working hours with rapid response times.
What vehicle makes do you service?
We work on over 50 makes including Ford, Volkswagen, BMW, Toyota, and specialist light commercial vehicles up to 4 tonnes.
How often should timing belts be replaced?
Follow manufacturer guidelines between 34,000-100,000 miles or 5-10 years. We recommend immediate replacement if any wear signs appear during inspection.