Should I check the MOT history before buying a 2020 Mercedes Benz A Class?

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 A Class?

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 A Class?

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.

Is the 2020 Mercedes Benz A Class reliable?

Based on MOT data from 122 vehicles, the 2020 Mercedes Benz A Class has a first-time MOT pass rate of 89.7%, indicating generally reliable for its class. Always check the full MOT history of any specific vehicle before buying.

What are common problems with the 2020 Mercedes Benz A Class?

The most frequently recorded MOT issues on the 2020 Mercedes Benz A Class are: Nearside Front Tyre worn close to legal limit/worn on edge (39.4% of vehicles), Offside Front Tyre worn close to legal limit/worn on edge (39.3% of vehicles), Rear Brake pad(s) wearing thin (17.9% of vehicles). These figures are based on actual MOT test records — search a specific registration on CarHunch to see its individual history.

Do I need an HPI check when buying a 2020 Mercedes Benz A Class?

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.

CarHunch

Get Started

Mercedes Benz A Class (2020)

122 real MOT outcomes analysed • 89.7% first-time pass rate

2020 Mercedes Benz A Class

CarHunch analysed 122 real MOT records for the 2020 Mercedes Benz A Class. Real test outcomes — pass rates, defect profiles, mileage data — from verified DVLA records. Updated as new MOTs are recorded.
Which year to buy? →

On this page

Reliability Overview Common Issues Check a Specific Reg Buyer's Checklist Pass Rate by Fuel Mileage Distribution Still on the Road MOT Averages Compare Models

Limited data for this trim variant. The DVLA records this vehicle under a specific trim-level name with only 122 vehicles on record — some statistics may not be reliable at this sample size.

See the full 2020 MERCEDES-BENZ A (28,490 vehicles)

We have limited data for the 2020 Mercedes Benz A Class — 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

89.7%

UK average ~80%

Better than average

Dangerous (ever)

12.3%

At least once in MOT history

Check this vehicle

Avg failures / car

0.43

Over 3.1 tests on record

Low

Typical mileage

27k

Middle half: 18k–34k

For context

These stats describe 122 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.

A solid choice — agree?

What tends to go wrong

Across 122 vehicles — figures show how many had each issue flagged at least once in their MOT history.

Tyre wear 39.4%

Nearside Front Tyre worn close to legal limit/worn on edge · Offside Front Tyre worn close to legal limit/worn on edge · Nearside Rear Tyre worn close to legal limit/worn on edge · …

Budget for a full set — on a vehicle this age, tyres are expected consumables. An inspection will confirm how much is left.

Brake wear 17.9%

Rear Brake pad(s) wearing thin · Front Brake pad(s) wearing thin · Front Brake disc worn, but not excessively · …

Ask the seller when brakes were last serviced. If they don't know, factor in the cost.

Lighting 12.1%

Supplementary restraint system warning lamp indicates a fault

Usually cheap to fix. Worth confirming all lights work before collecting.

Other issues 6.2%

Nearside Rear Child Seat fitted not allowing full inspection of adult belt · Windscreen damaged but not adversely affecting driver's view

Data covers a 3-year window centred on 2020.

See this vehicle's full MOT history & AI hunches

Spot recurring advisories, hidden issues, and how it compares to 122 Mercedes Benz A Class cars.

Before you buy a 2020 Mercedes Benz A Class

Based on MOT data from 122 vehicles — here's what to check.

📋 Check the full MOT history. 12.3% 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

Pass Rate by Fuel Type

Fuel type	Vehicles	Pass rate	Avg failures
Petrol (77%)	94	89%	0.46

Mileage Distribution

Most 2020 Mercedes Benz A Class 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.

27,287

typical

17,703

low mileage

33,594

high mileage

Half of all 2020 Mercedes Benz A Class vehicles fall between 17,703 and 33,594 miles.

Is the mileage you're seeing normal?

✓ Under 17,703 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.

✓ 17,703–33,594 miles — normal for age. This is where most 2020 Mercedes Benz A Classs sit.

⚠ Over 45,351 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 A Class — Still on the Road

Almost all 2020 Mercedes Benz A Classs are still on the road.

Strong survival — 99 vehicles still getting MOTs in 2025, 100% of the peak.

Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2021–2025.

MOT History Averages

3.1

Avg MOT tests per vehicle

0.43

Avg failures per vehicle

2.2

Avg advisories per vehicle

Other model years — Mercedes Benz A Class: All A Class years → Which year to buy? →

1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019

Or browse all models: Mercedes Benz →

Compare with another model

See how the 2020 Mercedes Benz A Class stacks up against a rival.

A solid choice — agree?