2017 MERCEDES-BENZ CLA 45 AMG VIN WDDSJ5CB9HN429979

The Mercedes-Benz CLA 45 AMG described here left the factory in 2017. The petrol engine has four cylinders. Power reaches the wheels through an automatic gearbox.

The clock stood at 74,580 miles when the data was entered. The instruments count in miles; the same distance in kilometres is about 1.6 times the figure. The number on the clock proves little by itself; earlier figures logged at services and inspections are what make it believable. Title paperwork often notes the mileage at each change of owner, which makes it a useful cross-check.

This Mercedes-Benz CLA 45 AMG is recorded with front-end damage. A damage type says what kind of damage the car had, not how serious it was or whether it has been repaired since. Some damage shows its consequences only later: corroded connectors and electrical faults can surface months afterwards.

No key is recorded with the car, and a replacement has to be coded to the immobiliser. Running condition describes a single moment, and standing or work done since can change it.

Registrations, changes of owner, inspection results and accident claims together make up what is called a car’s history. Much of a car’s past cannot be seen: a good body repair leaves no obvious mark, and neither do years of hard driving.

A cold start, the colour of the exhaust smoke and any oil leaks tell a mechanic a good deal about how an engine has been treated. On a petrol engine, spark plugs, ignition coils and the cooling system are the routine items a service history should cover. The automatic gearbox needs its fluid changed at the manufacturer’s intervals, and invoices should show that it was. On a car with all-wheel drive, a whine or clunk when turning tightly at low speed needs a mechanic’s attention.

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. The record gives the VIN as WDDSJ5CB9HN429979. The number in the car’s documents should match the one stamped into the body and the one on the plate at the base of the windscreen.

Depending on what is on file, a VIN report may include past registrations, mileage readings, damage entries, branded titles and theft checks. No report is complete: a repair done privately and never claimed on insurance leaves nothing to find. The past is on file; the car’s condition today is a job for a mechanic, who can check the structure, underbody, electrics and any repairs on a lift. Look up the history of VIN WDDSJ5CB9HN429979 first, and let what it shows guide the inspection.