2011 MERCURY MARINER VIN 4M2CN9B70BKJ05782

The Mercury Mariner described here left the factory in 2011. The gearbox is automatic. Power comes from a 2.5-litre petrol engine with four cylinders, rated at 171 hp. Every figure for this car is given as it appears in the source data.

The record gives the mileage as 153,255 miles. A clock converted from miles to kilometres should be documented, since the swap can hide the true mileage. Gaps of several years between logged figures deserve attention, as does any reading lower than the one before it. Figures carry most weight when they come from independent sources: workshops, inspection stations and past title paperwork.

No damage entry is on file for this car. Signs of an old repair – uneven panel gaps, overspray, a slight mismatch in paint – can still turn up at an inspection.

As a non-runner, the car needs its engine, gearbox and electrics assessed before anything else. The engine would not start, which can mean anything from a flat battery to serious mechanical damage. A key was there when the car was checked.

A clean title is on file for this car. With a clean title the car can be registered and insured in the usual way.

Registrations, changes of owner, inspection results and accident claims together make up what is called a car’s history. A car’s paperwork is scattered: the registry knows about owners, the workshop about repairs and the insurance company about claims. What a car has been through is seldom visible at first glance, and a respray can make even a badly damaged car look sound.

For the engine, the service history matters most: oil changes, filters and the timing belt or chain are the entries to look for. Many modern petrol engines are turbocharged and direct-injected; where they are, the turbocharger and injectors belong on a specialist’s checklist. While the car does not run, stored fault codes and a look at the fluid are the only early evidence of how the automatic gearbox has fared.

A vehicle identification number has 17 characters: the first three name the manufacturer, the next six describe the model and its specification, and the last eight identify the individual car. The VIN of this Mercury Mariner is 4M2CN9B70BKJ05782. The VIN usually appears at the base of the windscreen, on a door pillar and stamped into the body, and all of them should match the documents.

What a history report can list depends on what has been documented about the car: registrations, mileage readings, damage, branded titles and theft reports. The absence of an entry is not proof that nothing happened; it may only mean that nobody wrote it down. A professional inspection makes sense whatever the paperwork shows, because no report measures corrosion, worn bushes or a poor repair. A history check on VIN 4M2CN9B70BKJ05782 is the place to start.