Should I check the MOT history before buying a 2003 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 2003 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 2003 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.

How many 2003 Mercedes Benz A Class vehicles have had dangerous defects recorded?

33% of these vehicles have had a dangerous defect recorded. Search the registration on CarHunch — the full MOT history will show exactly what was flagged and whether it was resolved.

Is the 2003 Mercedes Benz A Class reliable?

Based on MOT data from 14,725 vehicles, the 2003 Mercedes Benz A Class has a first-time MOT pass rate of 73.3%, indicating generally reliable for its class. Always check the full MOT history of any specific vehicle before buying.

What are common problems with the 2003 Mercedes Benz A Class?

The most frequently recorded MOT issues on the 2003 Mercedes Benz A Class are: Nearside Front Brake hose slightly deteriorated (86.3% of vehicles), Offside Front Brake hose slightly deteriorated (85.4% of vehicles), Offside Rear Brake pipe slightly corroded (75.3% 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 2003 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.

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Mercedes Benz A Class (2003)

14,725 real MOT outcomes analysed • 73.3% first-time pass rate

2003 Mercedes Benz A Class

CarHunch analysed 14,725 real MOT records for the 2003 Mercedes Benz A Class. 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 Common Issues Check a Specific Reg Buyer's Checklist Pass Rate by Fuel Mileage Distribution Still on the Road MOT Averages Colour Breakdown Compare Models

The 2003 A-Class struggles with reliability, passing MOT first time in just 73.3% of cases against the UK average of 80%—a meaningful gap that reflects age-related wear. More concerning, nearly one in three of these cars (32.9%) have recorded a dangerous defect at some point, suggesting you need a thorough pre-purchase inspection from a trusted mechanic.

These 20-year-old examples average 62,000 miles, which is reasonable for the age, but the real issue is the sheer number of problems: 4.7 failures and 22.2 advisories per vehicle on average tells you these cars demand regular attention and money. If you're considering one, factor in several hundred pounds annually for repairs and always insist on a full diagnostic before buying.

The 2003 Mercedes Benz A Class has a below-average first-time pass rate (73.3% vs ~80% UK average) — check the specific vehicle's full MOT history carefully before buying.

⚠️ Over 1 in 5 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

73.3%

UK average ~80%

Below average

Dangerous (ever)

32.9%

At least once in MOT history

Check this vehicle

Avg failures / car

4.7

Over 16.8 tests on record

High

Typical mileage

58k

Middle half: 46k–72k

For context

⚠️ Below average. More vehicles in this cohort fail their first MOT than typical. Scrutinise this vehicle's history — look for recurring issues, not just the latest result.

🔧 Expect consumable spend. An average of 22.2 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 14,725 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.

Buyer beware — pass it on

What tends to go wrong

Across 14,725 vehicles — figures show how many had each issue flagged at least once in their MOT history.

Brake wear 86.3%

Nearside Front Brake hose slightly deteriorated · Offside Front Brake hose slightly deteriorated · Offside Rear Brake pipe slightly corroded · …

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

Tyre wear 71.8%

Nearside Front Tyre worn close to the legal limit · Offside Front Tyre worn close to the legal limit · Nearside Rear Tyre worn close to the legal limit · …

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

Other issues 70.1%

Under-trays fitted obscuring some underside components · Child seat fitted not allowing full inspection of adult belt

Lighting 30.8%

Offside Stop lamp not working · Nearside Stop lamp not working

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

Suspension & steering 28%

Steering system has slight free play detected at steering wheel

Harder to spot without a ramp — this is a good reason to book a pre-purchase inspection.

Data covers a 3-year window centred on 2003.

See this vehicle's full MOT history & AI hunches

Spot recurring advisories, hidden issues, and how it compares to 14,725 Mercedes Benz A Class cars.

Before you buy a 2003 Mercedes Benz A Class

Based on MOT data from 14,725 vehicles — here's what to check.

📋 Check the full MOT history. 32.9% 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 (83%)	12,180	73.5%	4.68
Diesel (17%)	2,543	72.3%	4.81

Colour Breakdown

Based on 357,326 Mercedes Benz A Class vehicles registered in the UK — across all years. From DVLA registration records.

Silver 22.6%

80,871

Black 21%

75,201

Grey 17.8%

63,753

White 14.2%

50,872

Blue 13.2%

47,323

Red 7.3%

26,262

Green 2%

7,021

Purple 0.6%

2,227

Gold 0.6%

2,071

Brown 0.3%

1,250

Orange 0.1%

266

Bronze 0.1%

209

Mileage Distribution

Most 2003 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.

58,348

typical

45,992

low mileage

71,569

high mileage

Half of all 2003 Mercedes Benz A Class vehicles fall between 45,992 and 71,569 miles.

Is the mileage you're seeing normal?

✓ Under 45,992 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.

✓ 45,992–71,569 miles — normal for age. This is where most 2003 Mercedes Benz A Classs sit.

⚠ Over 96,618 miles — higher than typical. Not necessarily a problem, but check service history and look out for advisory build-up on tyres and brakes.

2003 Mercedes Benz A Class — Still on the Road

Numbers are thinning — 7% of 2003 Mercedes Benz A Classs are still active.

Numbers are declining — 922 vehicles still getting MOTs in 2025 (7% of peak).

Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2014–2025.
* The 2020 dip reflects the government's COVID-19 MOT exemption, which allowed certificates to be extended by six months — fewer tests were conducted that year.

MOT History Averages

16.8

Avg MOT tests per vehicle

4.7

Avg failures per vehicle

22.2

Avg advisories per vehicle

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

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Compare with another model

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