Should I check the MOT history before buying a 2006 Mercedes Ml 320 CDI Sport 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 2006 Mercedes Ml 320 CDI Sport 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 2006 Mercedes Ml 320 CDI Sport 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.

Is the 2006 Mercedes Ml 320 CDI Sport A reliable?

Based on MOT data from 220 vehicles, the 2006 Mercedes Ml 320 CDI Sport A has a first-time MOT pass rate of 77.3%, indicating generally reliable for its class. Always check the full MOT history of any specific vehicle before buying.

Do I need an HPI check when buying a 2006 Mercedes Ml 320 CDI Sport 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 Ml 320 CDI Sport A (2006)

220 real MOT outcomes analysed • 77.3% first-time pass rate

2006 Mercedes Ml 320 CDI Sport A

CarHunch analysed 220 real MOT records for the 2006 Mercedes Ml 320 CDI Sport 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

The 2006 Mercedes ML 320 CDI Sport A is a reliability concern: just 23% pass their MOT first time, versus the UK average of 80%. At around 135,000 miles, these vehicles are showing their age, and that's reflected in the 0.37 average failures per test—a sign that maintenance has been deferred or expensive fixes are mounting.

With zero dangerous defects recorded and minimal advisories, the failures aren't about safety-critical issues, but rather the cumulative wear of an ageing diesel SUV. Before buying one, get a full pre-purchase inspection focused on the diesel engine and suspension, and budget for imminent repairs—this generation requires committed owners.

We have limited data for the 2006 Mercedes Ml 320 CDI Sport A — treat the figures below as indicative rather than definitive.

First-time pass

77.3%

UK average ~80%

Around average

Dangerous (ever)

At least once in MOT history

Check this vehicle

Avg failures / car

0.37

Over 2.1 tests on record

Low

Typical mileage

135k

Middle half: 115k–160k

For context

These stats describe 220 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 220 Mercedes Ml 320 CDI Sport A cars.

Before you buy a 2006 Mercedes Ml 320 CDI Sport A

Based on MOT data from 220 vehicles — here's what to check.

📋 Check the full MOT history. 0% 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 581 Mercedes Ml 320 CDI Sport A vehicles registered in the UK — across all years. From DVLA registration records.

Black 48.7%

283

Silver 40.1%

233

Blue 10%

White 1.2%

Mileage Distribution

Most 2006 Mercedes Ml 320 CDI Sport 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.

135,149

typical

114,875

low mileage

160,098

high mileage

Half of all 2006 Mercedes Ml 320 CDI Sport A vehicles fall between 114,875 and 160,098 miles.

Is the mileage you're seeing normal?

✓ Under 114,875 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.

✓ 114,875–160,098 miles — normal for age. This is where most 2006 Mercedes Ml 320 CDI Sport As sit.

⚠ Over 216,132 miles — higher than typical. Not necessarily a problem, but check service history and look out for advisory build-up on tyres and brakes.

2006 Mercedes Ml 320 CDI Sport A — Still on the Road

Numbers are thinning — 24% of 2006 Mercedes Ml 320 CDI Sport As are still active.

Numbers are declining — 12 vehicles still getting MOTs in 2025 (24% of peak).

Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2017–2025.
* 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

2.1

Avg MOT tests per vehicle

0.37

Avg failures per vehicle

Avg advisories per vehicle

Other model years — Mercedes Ml 320 CDI Sport A: All Ml 320 CDI Sport A years → Which year to buy? →

2007 2008

Or browse all models: Mercedes →

Compare with another model

See how the 2006 Mercedes Ml 320 CDI Sport A stacks up against a rival.

Average reliability — agree?