Should I check the MOT history before buying a 2020 Mercedes Benz Glb 200 Amg Line Premium D 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 2020 Mercedes Benz Glb 200 Amg Line Premium D 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 2020 Mercedes Benz Glb 200 Amg Line Premium D 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 2020 Mercedes Benz Glb 200 Amg Line Premium D 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 Glb 200 Amg Line Premium D A (2020)

Q: Is the 2020 Mercedes Benz Glb 200 Amg Line Premium D A reliable?

Based on MOT data from 389 vehicles, the 2020 Mercedes Benz Glb 200 Amg Line Premium D A has a first-time MOT pass rate of 92.1%, indicating generally reliable for its class. Always check the full MOT history of any specific vehicle before buying.

389 real MOT outcomes analysed • 92.1% first-time pass rate

2020 Mercedes Benz Glb 200 Amg Line Premium D A

CarHunch analysed 389 real MOT records for the 2020 Mercedes Benz Glb 200 Amg Line Premium D A. Real test outcomes — pass rates, defect profiles, mileage data — from verified DVLA records. Updated as new MOTs are recorded.
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AI Analysis Reliability Overview Check a Specific Reg Buyer's Checklist Mileage Distribution Still on the Road MOT Averages Colour Breakdown Compare Models

Moderate sample. 389 vehicles on record. Figures are indicative — the specific vehicle's history matters more than these averages.

This 2020 GLB 200 is a solid performer by MOT standards, with a 90.4% first-time pass rate that sits comfortably 10 points above the UK average—and dangerous defects are relatively rare, affecting just 13.1% of the fleet. The diesel engine appears well-suited to the model, as this petrol-free cohort avoids the reliability volatility you'd see in mixed fuel comparisons.

At 35,000 miles median for a four-year-old car, these GLBs are running lower than typical for age, which explains why they're seeing only 0.33 average failures per test; the 2.5 advisories per vehicle are minor wear items you'd expect rather than structural concerns. Before buying, get a pre-purchase inspection focused on the cooling system and suspension—the top failure categories for this model—since even reliable cars can develop expensive problems between tests.

The 2020 Mercedes Benz Glb 200 Amg Line Premium D A passes its MOT first time more often than most UK vehicles (92.1% vs ~80% average) — and when it does fail, it's usually something minor and cheap to fix.

⚠️ 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

92.1%

UK average ~80%

Better than average

Dangerous (ever)

13.1%

At least once in MOT history

Check this vehicle

Avg failures / car

0.33

Over 3.3 tests on record

Low

Typical mileage

35k

Middle half: 28k–46k

For context

✅ Good baseline reliability. A 92.1% first-time pass rate puts this well above the UK average — it's a well-sorted vehicle in this age bracket.

🔧 Expect consumable spend. An average of 2.5 advisories per vehicle tells you wear items (tyres, brakes) get flagged regularly. Budget for them — they're not surprises.

🔍 The dangerous defect figure is real. Most are one-off tyre failures or brake issues — not structural problems. But it's exactly why checking the individual vehicle's history is essential, not optional.

These stats describe 389 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.

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See this vehicle's full MOT history & AI hunches

Spot recurring advisories, hidden issues, and how it compares to 389 Mercedes Benz Glb 200 Amg Line Premium D A cars.

Before you buy a 2020 Mercedes Benz Glb 200 Amg Line Premium D A

Based on MOT data from 389 vehicles — here's what to check.

📋 Check the full MOT history. 13.1% 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

Colour Breakdown

Based on 752 Mercedes Benz Glb 200 Amg Line Premium D A vehicles registered in the UK — across all years. From DVLA registration records.

Black 27.8%

209

Grey 27%

203

White 25.8%

194

Blue 13.8%

104

Red 4%

Silver 1.6%

Mileage Distribution

Most 2020 Mercedes Benz Glb 200 Amg Line Premium D 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.

35,098

typical

27,632

low mileage

45,793

high mileage

Half of all 2020 Mercedes Benz Glb 200 Amg Line Premium D A vehicles fall between 27,632 and 45,793 miles.

Is the mileage you're seeing normal?

✓ Under 27,632 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.

✓ 27,632–45,793 miles — normal for age. This is where most 2020 Mercedes Benz Glb 200 Amg Line Premium D As sit.

⚠ Over 61,820 miles — higher than typical. Not necessarily a problem, but check service history and look out for advisory build-up on tyres and brakes.

2020 Mercedes Benz Glb 200 Amg Line Premium D A — Still on the Road

Almost all 2020 Mercedes Benz Glb 200 Amg Line Premium D As are still on the road.

Strong survival — 363 vehicles still getting MOTs in 2025, 98% of the peak.

Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2023–2025.

MOT History Averages

3.3

Avg MOT tests per vehicle

0.33

Avg failures per vehicle

2.5

Avg advisories per vehicle

Other model years — Mercedes Benz Glb 200 Amg Line Premium D A: All Glb 200 Amg Line Premium D A years → Which year to buy? →

2022 2024

Or browse all models: Mercedes Benz →

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See how the 2020 Mercedes Benz Glb 200 Amg Line Premium D A stacks up against a rival.

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