Used Mercedes EQB Buying Guide

The EQB (2022 on) is the electric GLB and keeps its defining trick: an optional third row, making it one of very few compact seven-seat EVs on the used market. For school-run families wanting electric running costs without van dimensions, it occupies a niche almost alone — and depreciation has priced it temptingly.

Engines and trims

EQB 250/250+ front-drive versions and 300/350 4Matic twin-motor cars share the 66.5kWh-class battery, with official range in the 250-260-mile band and the 250+ stretching furthest. AMG Line dominates UK trim as ever. The third row was optional — verify fitment — and suits children; with it folded, the boot is family-holiday large. Real-world range of 180-230 miles mirrors the EQA, so weigh your motorway patterns honestly.

What to check before buying

Combine the EQA’s EV checklist with GLB family forensics. Battery State of Health report first, full-charge range sanity check, cables, and a rapid-charge test (about 100kW peak). Then the seats: fold, slide and latch both rear rows, check Isofix points, and inspect third-row trim and boot floor for the wear of genuine seven-up service. Confirm MBUX, cameras and every driver aid behave, and check discs for regen-induced corrosion on the first few stops of the test drive. Boxy bodies show kerb damage clearly — use it in negotiation. Close with the file: service history, MOT trail once age allows, our Mercedes problems overview, and a full car check for finance and provenance.

Running costs

Pennies per mile from home charging, light servicing, premium-crossover insurance and slightly accelerated tyre wear from EV weight — the EQA story with an extra row. The seven-seat versions hold a used premium that reflects their rarity.

Verdict

A seven-seat EQB 250 AMG Line with a clean battery report is a genuinely rare proposition — electric family versatility at used-crossover money. Verify seats and cells, and it’s one of the smartest niche buys in the EV market.

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