2020 Mercedes-Benz GLA 180 AMG Line Edition Auto 1.6L Petrol · EO20 XSY

The 1.6-litre petrol engine paired with the 7G-DCT automatic should return around 35–40 mpg on a combined cycle, dropping to high 20s in town driving. Fuel costs will therefore be the largest annual expense, particularly given the high annual mileage this car appears to have covered. Insurance should fall in group 20–25, which is moderate for a premium SUV, and road tax is modest given the Euro 6 DG classification — the GLA 180 sits in a low VED band currently. The annual MOT is straightforward given the clean history, but budget for the upcoming brake work identified in the most recent test.

Maintenance costs for Mercedes vehicles are higher than mainstream rivals; a main dealer service can exceed £300, while independent specialists typically charge £180–£250. Timing chain tensioner inspections are advisable on these M270 engines if the vehicle is approaching 100,000 miles. Combining fuel, tax, insurance, servicing, and depreciation, expect annual running costs in the region of £1,800–£2,200 for a car driven at this mileage.

Begin with the front brake discs noted on the February 2026 advisory — measure remaining disc thickness against the manufacturer minimum and check for lipping or scorching. With 80,224 miles recorded, also inspect the rear discs and pads, which often need replacement at a similar interval. The MOT history shows no advisories on tyres, suspension, or exhausts, which is reassuring, but physical inspection remains essential given that advisories are only noted when an examiner considers them borderline.

For the 1.6-litre petrol engine specifically, check for timing chain rattle on cold start, which can indicate stretched chain guides — a known concern on the M270 family. Inspect the 7G-DCT automatic gearbox for smooth shifts at low speed and any shuddering or jerking in traffic. Examine the underside for any signs of kerb damage to the alloy wheels or undertray damage, and check the four-cylinder engine for oil leaks around the rocker cover and sump. Finally, verify all electrical systems work correctly, including the infotainment screen, climate control, and LED lighting, as Mercedes electronics can be costly to repair outside of warranty.