The Mellor three year / 100,000-mile Warranty covers all major components including bodywork, engine, gearbox, transmission, and excludes wear and tear items such as tyres, brake pads, and other perishable items.

The Mellor Warranty is split into Base Vehicle Warranty and Mellor Conversion Warranty

Base Vehicle Warranty

The Base vehicle carries its own Manufacturer’s warranty, please see the warranty guide delivered with your vehicle for further information and service intervals it is important that service schedules are adhered to for the life of the vehicle.

Mellor Conversion Warranty

Three year / 100,000 miles whichever occurs first, in the first instance dealt with by the Mellor aftersales team.

The Mellor Conversion Warranty covers:

  • Side powered door, motors and control switches
  • Glazing systems (except accidental damage)
  • Interior linings, finishers and trims
  • Side and rear loading ramps
  • Seats and attachments
  • Floor covering, floor system, and attachments
  • Rear trailing arm systems and associated suspension components
  • Height and control valves and ECAS air suspension system
  • Fuel tank and fuel lines
  • Body structure and attachments to base chassis
  • Electrical fittings and wiring within the vehicle conversion

Other Mellor Conversion Warranty Parts Covered

Some of the Conversion items, such as heating are supported by a combination of Mellor and extended supplier Warranty. In the first instance dealt with by the Mellor aftersales team. Please refer to terms & conditions Appendix 1 for details.

Mellor Conversion Warranty Parts Not Covered

  • Rear shock absorbers
  • Tyres
  • Clutch and friction materials
  • Brake pads, discs, shoes and drums
  • Any items which are deemed to be normally wearing parts
  • Misuse or driver abuse
  • Accidental damage
  • Service or consumable items or fluids
  • Any options that the customer has specifically requested may be subject to that chosen manufacturer’s specific warranty conditions.
    Consequential loss or damage.

Body Protection Warranty

All Mellor underbody components are manufactured using corrosion-resistant materials such as galvanised or stainless steel. This reduces the potential for corrosion on the vehicle.
To further mitigate and prevent corrosion or discoloration a special rust proofing treatment of underbody sections and panels is applied at the time of manufacture. The details of this underseal treatment are found within the appendix attached.
Specific conditions relate to the reapplication of the underseal during the life of the vehicle especially in areas subject to high levels of degradation caused by road debris, these reapplication requirements need to be adhered to by the customer.

In other such cases of underbody corrosion, the standard 3-year warranty will be applied.

Paintwork Warranty

This element covers corrosion, surface imperfection or lack of adhesion. There are no special conditions attached to the paintwork Warranty. Any defect to paintwork caused during manufacture will be rectified without charge. Accidental damage is not covered by this warranty.
Base Vehicle Service Requirements

The base vehicle must be serviced in accordance with the OEM standard service schedule and can be carried out at any VAT registered garage. Genuine parts must be used.
Mellor has strong existing relationships with the base vehicle manufacturers. Our aftersales manager, Steve Jones will liaise with the nearest dealership ensuring superior service is also received for the base vehicle manufacturer.
All base vehicle queries will be channeled through the Mellor aftersales team, who in turn will work with the base vehicle manufacturers to ensure all queries are dealt with in a timely manner.

Warranty Reporting Process

All base vehicle warranty should be reported to your local OEM service centre who will arrange for repairs to be carried out.
All Mellor Conversion warranty claims should be reported as quickly as possible to enable the fastest possible resolution via this email address

Sharing best practice

To avoid unnecessary downtime, it is highly recommended that the customer appoints a dedicated member(s) of the workshop(s) who will liaise directly with the Mellor Aftersales team should a fault or issue be reported. We have found with some large Bus Operators, who run a fleet out of several depots, if there hasn’t been a dedicated point of contact within their operation, issues aren’t always raised with Mellor and depots have carried out own repairs without our knowledge.

Mellor is required to know of any component fault so that we are in a position to take this up with that supplier.


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