2021 Mercedes-Benz A 1.3L Petrol · GX52 NAT

The 1.3-litre petrol engine in this A-Class should return around 45–50 mpg in real-world mixed driving, depending on specification and driving style. As a Euro 6 petrol registered after April 2017, it sits in a relatively low VED band — though from 2025 onwards vehicles paying the standard rate will continue at £195 per year for petrol models registered after April 2017. Insurance for an A-Class typically falls into groups 15–25 depending on trim, so expect premiums in the £500–£900 range for a typical driver.

Routine maintenance costs for the A-Class are moderate. A main dealer service can run £250–£400, while independent Mercedes specialists typically charge £180–£280. Brake fluid and coolant changes, plus a fresh set of brake pads (as suggested by the MOT history) should be budgeted within the first year of ownership. Tyres for this model are around £100–£180 each fitted for quality brands.

Estimated annual running costs fall in the region of £1,800–£2,300, covering fuel, tax, insurance and routine servicing. This assumes average mileage of around 10,000 miles per year.

Begin with the wheels — the MOT history records three separate wheel distortion advisories (offside front in 2024, offside rear in both 2024 and 2025). Inspect each wheel for visible buckles, hairline cracks around the spokes or rim, and run a finger inside the rim lip for bends. Refurbished wheels may hide deeper structural damage, so ask whether replacements or refurbishment have been carried out. Also check the condition of the tyres, looking for uneven shoulder wear which can indicate misalignment following kerbing impacts.

The brake system warrants close attention. The May 2025 failure noted rear brake pads wearing thin. Inspect pad thickness through the wheels and check the discs for lipping, scoring or blueing from overheating. Rear discs on the A-Class are typically £80–£140 per pair plus fitting. Also lift the bonnet and check brake and coolant fluid levels, as well as looking for any signs of oil leaks around the 1.3-litre turbo engine — a known area on this powertrain.

Beyond the MOT-specific items, conduct a general inspection: check all electronics function (MBUX infotainment, climate control, parking sensors), ensure all warning lights clear on ignition, and look for water ingress in the boot and footwells — a reported issue on A-Class models of this era. A diagnostic scan at an independent Mercedes specialist will reveal any stored fault codes that an MOT cannot detect.