Should I check the MOT history before buying a 2021 Mercedes Benz Amg Glb 35 Premium + 4matic A?

Yes. Look for recurring advisories — slow-building issues like corrosion or brake wear patterns show up years before they become failures. A full MOT history analysis will highlight patterns that a single test result won't reveal.

What corrosion should I look for when inspecting a 2021 Mercedes Benz Amg Glb 35 Premium + 4matic A?

Check brake pipes, sills, subframes, and chassis legs. Surface rust is normal at this age; structural rust is a serious problem that is expensive to fix and can fail an MOT.

How are tyres and brakes typically on a 2021 Mercedes Benz Amg Glb 35 Premium + 4matic A?

Tyres and brakes are the most common advisory items on vehicles of this age. Budget for replacement if they are near the limit, and factor this into your offer price.

Do I need an HPI check when buying a 2021 Mercedes Benz Amg Glb 35 Premium + 4matic A?

Yes. The MOT history will not show outstanding finance, insurance write-offs, or stolen status. An HPI check covers these areas and should be part of any used car purchase.

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Mercedes Benz Amg Glb 35 Premium + 4matic A (2021)

Q: Is the 2021 Mercedes Benz Amg Glb 35 Premium + 4matic A reliable?

Based on MOT data from 101 vehicles, the 2021 Mercedes Benz Amg Glb 35 Premium + 4matic A has a first-time MOT pass rate of 91.4%, indicating generally reliable for its class. Always check the full MOT history of any specific vehicle before buying.

101 real MOT outcomes analysed • 91.4% first-time pass rate

2021 Mercedes Benz Amg Glb 35 Premium + 4matic A

CarHunch analysed 101 real MOT records for the 2021 Mercedes Benz Amg Glb 35 Premium + 4matic A. Real test outcomes — pass rates, defect profiles, mileage data — from verified DVLA records. Updated as new MOTs are recorded.
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This AMG GLB 35 is right on par with the UK average, passing first time in 80.5% of tests against the nationwide 80% benchmark—solid reliability for a 2021 performance SUV. However, nearly 17% of examples have recorded a dangerous defect at some point, which is a meaningful concern for a premium sports model and warrants a thorough pre-purchase inspection.

With an average mileage of 27,800 miles for a three-year-old car, these are typically well-maintained garage queens, yet they're accumulating 1.2 advisories per test on average—suggesting minor wear items like brake pads or suspension components are emerging early. The low failure count (0.24 per vehicle) is encouraging, but before committing to one, get a specialist Mercedes diagnostic check to rule out any of those dangerous defects that have plagued roughly one in six examples.

We have limited data for the 2021 Mercedes Benz Amg Glb 35 Premium + 4matic A — treat the figures below as indicative rather than definitive.

⚠️ Around 1 in 8 of these vehicles have had a dangerous MOT failure at some point — usually tyres or brakes, and often a one-off issue rather than a persistent problem. The group stats won't tell you which one you're looking at.

First-time pass

91.4%

UK average ~80%

Better than average

Dangerous (ever)

16.8%

At least once in MOT history

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Avg failures / car

0.24

Over 2.1 tests on record

Low

Typical mileage

27k

Middle half: 19k–35k

For context

These stats describe 101 vehicles as a group. The specific vehicle you're looking at could be the one good example or the one outlier. Run its registration to find out.

Average reliability — agree?

See this vehicle's full MOT history & AI hunches

Spot recurring advisories, hidden issues, and how it compares to 101 Mercedes Benz Amg Glb 35 Premium + 4matic A cars.

Before you buy a 2021 Mercedes Benz Amg Glb 35 Premium + 4matic A

Based on MOT data from 101 vehicles — here's what to check.

📋 Check the full MOT history. 16.8% of these vehicles have had a dangerous defect recorded - recurring advisories often signal problems years before they become failures.
Search the reg on CarHunch for the full MOT history, reliability stats and a free AI-powered analysis of that exact vehicle.
🔍 Brake pipes, sills and subframes are the key areas on a vehicle this age — structural rust is hard to spot without getting underneath. A mechanic will check all of this before you commit, and give you a concrete basis to negotiate on price. Inspection →
📄 Outstanding finance, insurance write-offs and clocking won't appear in the MOT records — a dedicated history check covers all of this. Our link gets you 20% off automatically. History Get 20% off via CarHunch

Mileage Distribution

Most 2021 Mercedes Benz Amg Glb 35 Premium + 4matic A vehicles sit in the blue band. If the vehicle you're looking at is outside it, it's either unusually low or high mileage for its age.

26,857

typical

18,592

low mileage

35,322

high mileage

Half of all 2021 Mercedes Benz Amg Glb 35 Premium + 4matic A vehicles fall between 18,592 and 35,322 miles.

Is the mileage you're seeing normal?

✓ Under 18,592 miles — lower than most. Could be great, or could be a vehicle that rarely moved. Check test frequency and mileage progression in the MOT history.

✓ 18,592–35,322 miles — normal for age. This is where most 2021 Mercedes Benz Amg Glb 35 Premium + 4matic As sit.

⚠ Over 47,684 miles — higher than typical. Not necessarily a problem, but check service history and look out for advisory build-up on tyres and brakes.

MOT History Averages

2.1

Avg MOT tests per vehicle

0.24

Avg failures per vehicle

1.2

Avg advisories per vehicle

Other model years — Mercedes Benz Amg Glb 35 Premium + 4matic A: All Amg Glb 35 Premium + 4matic A years → Which year to buy? →

2022

Or browse all models: Mercedes Benz →

Compare with another model

See how the 2021 Mercedes Benz Amg Glb 35 Premium + 4matic A stacks up against a rival.

Average reliability — agree?