Mercedes Benz Glb 200 Amg Line Premium + A (2021)
2021 Mercedes Benz Glb 200 Amg Line Premium + A
CarHunch analysed 500 real MOT records for the 2021 Mercedes Benz Glb 200 Amg Line Premium + A. This breakdown of actual test outcomes — pass rates, defect profiles, mileage data — isn't published anywhere else.
This 2021 Mercedes-Benz GLB 200 outperforms the UK average with an 84.3% first-time pass rate against the national 80%, suggesting solid baseline reliability for a three-year-old model. The dangerous defect rate of 5.8% is well below the threshold of concern, so structural or safety issues are uncommon in this cohort.
At just over 26,000 miles median and averaging 0.18 failures per vehicle, these GLBs show light wear and minimal serious problems—typical for relatively young examples. The 1.6 advisories per car (mostly minor wear items) indicate routine maintenance is catching up with age, so budget for standard servicing but don't expect expensive surprises; check the full service history before purchase to confirm Mercedes intervals have been respected.
What to check before buying a 2021 Mercedes Benz Glb 200 Amg Line Premium + A
Practical pre-purchase checks for this age and model.
- 📋 Check the full MOT history. Look for recurring advisories — slow-building issues like corrosion or brake wear patterns show up years before they become failures. Enter the reg below for a full AI analysis.
- 🔍 Inspect for corrosion in person. Brake pipes, sills, subframes, and chassis legs. Surface rust is normal at this age; structural rust is a serious problem that's expensive to fix and can fail an MOT.
- 🛞 Check tyres and brakes. The most common advisory items at this age. Budget for replacement if they're near the limit — factor this into your offer price.
- 📄 Run an HPI check. The MOT history won't show outstanding finance, insurance write-offs, or stolen status — an HPI check will.
Before you buy a Mercedes Benz Glb 200 Amg Line Premium + A
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Mileage Distribution
Most 2021 Mercedes Benz Glb 200 Amg Line Premium + A vehicles sit in the blue band. If the car you're looking at is outside it, it's either unusually low or high mileage for its age.
Half of all 2021 Mercedes Benz Glb 200 Amg Line Premium + A vehicles fall between 19,410 and 35,824 miles.
MOT History Averages
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