2017 MERCEDES-BENZ GLA 250 VIN WDCTG4EB8HJ356139

This Mercedes-Benz GLA 250 was built in 2017. Power comes from a 2.0-litre petrol engine with four cylinders, rated at 208 hp. The gearbox is automatic, with front-wheel drive.

The recorded mileage is 211,135 miles. Averaged over the car’s age, the mileage works out well above the usual annual distance, and wear on the suspension, brakes and interior should be judged with that in mind. A later figure lower than an earlier one points to a replaced instrument cluster or an odometer that has been wound back. Service invoices and inspection reports each carry a mileage figure, and lined up in order they show whether the clock tells the truth.

The record lists minor dents and scratches as the main problem on this car. A damage entry is a starting point for the inspection, telling the mechanic where to look first. Whatever the cause, a diagnostic scan of the car’s electronics shows fault codes that a visual check misses.

Without a key, a modern car needs a replacement coded to its immobiliser before it can even be started.

Behind every used car lies a string of events: who owned it and for how long, what the inspections found and which repairs and claims were made. A car’s paperwork is scattered: the registry knows about owners, the workshop about repairs and the insurance company about claims. Much of a car’s past cannot be seen: a good body repair leaves no obvious mark, and neither do years of hard driving.

An engine that has had its oil changed on time is far less likely to cause trouble later, and workshop invoices are the proof. Many modern petrol engines are turbocharged and direct-injected; where they are, the turbocharger and injectors belong on a specialist’s checklist. The automatic gearbox should respond smoothly and without delay; jerks, slipping or hesitation on a test drive need investigating.

The ninth character of the VIN is a check digit calculated from the other sixteen, so a mistyped or invented number does not add up. This car’s identification number is WDCTG4EB8HJ356139. 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.

A VIN report gathers what different sources know about a car, such as the number of owners, mileage readings, damage and any branded title. No report is complete: a repair done privately and never claimed on insurance leaves nothing to find. A VIN check and a physical inspection answer different questions: the first says what happened to the car, the second what condition it is in now. The next step is to look up the history behind VIN WDCTG4EB8HJ356139.