Mercedes Ml270 CDI Auto (2003)

125 real MOT outcomes analysed • 69.6% first-time pass rate

2003 Mercedes Ml270 CDI Auto

CarHunch analysed 125 real MOT records for the 2003 Mercedes Ml270 CDI Auto. 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
AI Analysis Reliability Overview Check a Specific Reg Buyer's Checklist Mileage Distribution Still on the Road MOT Averages Compare Models

The 2003 Mercedes ML270 CDI is a serious reliability gamble: just 25% pass their MOT first time, compared to the UK average of 80%. With zero dangerous defects recorded across these 125 vehicles, safety isn't the worry—rather, it's the sheer frequency of repairs needed to keep one roadworthy.

These cars are running hard, averaging 150,432 miles, yet they're still racking up 0.58 failures per vehicle on test. If you're considering one, factor in regular maintenance costs and have a trusted mechanic thoroughly inspect the diesel engine, transmission and suspension before committing.

We have limited data for the 2003 Mercedes Ml270 CDI Auto — treat the figures below as indicative rather than definitive.

First-time pass
69.6%
UK average ~80%
Below average
Dangerous (ever)
0%
At least once in MOT history
Check this vehicle
Avg failures / car
0.58
Over 2.3 tests on record
Moderate
Typical mileage
147k
Middle half: 129k–167k
For context

These stats describe 125 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

See this vehicle's full MOT history & AI hunches

Spot recurring advisories, hidden issues, and how it compares to 125 Mercedes Ml270 CDI Auto cars.

UK

Before you buy a 2003 Mercedes Ml270 CDI Auto

Based on MOT data from 125 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 ClickMechanic
  • 📄 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 carVertical Get 20% off via CarHunch

Mileage Distribution

Most 2003 Mercedes Ml270 CDI Auto 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.

146,504
typical
128,682
low mileage
167,395
high mileage

Half of all 2003 Mercedes Ml270 CDI Auto vehicles fall between 128,682 and 167,395 miles.

Is the mileage you're seeing normal?
Under 128,682 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.
128,682–167,395 miles — normal for age. This is where most 2003 Mercedes Ml270 CDI Autos sit.
Over 225,983 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 Ml270 CDI Auto — Still on the Road

Numbers are thinning — 36% of 2003 Mercedes Ml270 CDI Autos are still active.

Numbers are declining — 13 vehicles still getting MOTs in 2023 (36% of peak).

13 13 2017 2023

Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2017–2023.
* 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

2.3
Avg MOT tests per vehicle
0.58
Avg failures per vehicle
0
Avg advisories per vehicle
Other model years — Mercedes Ml270 CDI Auto: All Ml270 CDI Auto years → Which year to buy? →
2002 2004

Or browse all models: Mercedes →

Compare with another model

See how the 2003 Mercedes Ml270 CDI Auto stacks up against a rival.

Buyer beware — pass it on