Mercedes-Benz M-Class (ML) MOT pass rate and common faults

MOT tests in 2025, published 22 Jun 2026. DVSA publishes a new year each summer.

29,248 Mercedes-Benz M-Class (ML) cars had an MOT in 2025 and 72.2% passed first time. That is above what cars of the same ages scored (63.1%).

Find the year your car was first registered below, then check the faults it is most likely to fail on.

Pass rate by year

Each year's first-time pass rate, with a tick for all cars first used that year. Years with fewer than 300 tests, and cars over 20 years old, are left out. Years with 1,000 or more tests link to a page of their own, with that year's common faults.

Mercedes-Benz M-Class (ML) first-time pass rate by year first used
Mercedes-Benz M-Class (ML) pass rate by year
ItemMercedes-Benz M-Class (ML)All cars that year
201581.6%71.9%
201479.7%68.6%
201379.7%65.8%
201276.4%63.5%
201170.1%61.2%
201068.1%59.3%
200967.0%58.3%
200868.1%57.2%
200767.6%57.4%
200667.2%57.0%
200560.4%57.6%

Source: DVSA, tests in 2025, published 22 June 2026.

Common failures

The share of all Mercedes-Benz M-Class (ML) cars tested that failed on, or had fixed at the station, each item. Worth checking before the MOT or before you buy.

Most common Mercedes-Benz M-Class (ML) MOT failure items
Mercedes-Benz M-Class (ML) common failures
ItemValue
Coil spring: fractured or broken4.5%
Position lamp: not working2.8%
Malfunction indicator lamp: inoperative or indicates a malfunction2.7%
Stop lamp: not working2.6%
Tread depth: tread depth below requirements of 1.6mm2.0%
Condition: has ply or cords exposed1.7%
Joints: constant velocity boot split or insecure, no longer prevents the ingress of dirt1.5%
Brake pads: less than 1.5 mm thick1.4%

Source: DVSA, tests in 2025, published 22 June 2026.

Common advisories

Advisories are things the tester noticed that were not bad enough to fail. They often turn into failures later. What advisories mean for the next MOT.

Most common Mercedes-Benz M-Class (ML) advisories
Mercedes-Benz M-Class (ML) common advisories
ItemValue
Tread depth: worn close to legal limit/worn on edge20.6%
Engine oil leaks: leak, but not excessive16.8%
Rigid brake pipes: corroded, covered in grease or other material9.3%
Brake discs: worn, pitted or scored, but not seriously weakened7.3%
Brake pads: wearing thin7.1%
Pins and bushes: pin or bush worn but not resulting in excessive movement5.1%
Condition: slightly damaged/cracking or perishing4.1%
Coil spring: corroded4.1%

Source: DVSA, tests in 2025, published 22 June 2026.

Typical mileage

Recorded mileage at the MOT. A car well above the range for its age has done more work than most; one far below is worth a closer look at its MOT history.

Mercedes-Benz M-Class (ML) recorded mileage by age
Mercedes-Benz M-Class (ML) mileage by age
AgeLowTypicalHighAll cars, typical
9-11 years68,90087,800 miles108,10073,500
12-14 years86,800106,200 miles127,30091,400
15-17 years102,500123,300 miles145,700101,600
18-20 years107,500132,600 miles156,600106,700
21+ years103,600129,300 miles155,90099,200

The middle half of cars fall between the low and high figures. Source: DVSA, tests in 2025, published 22 June 2026.

Reliability and recalls

Checking one car?

These figures describe groups of cars. A vehicle history report shows the full MOT history, mileage, outstanding finance, write-offs and stolen records for one registration.

Figures from the DVSA anonymised MOT testing data for MOT tests in 2025, published by the Driver and Vehicle Standards Agency. Analysis by Motoring Insider. Contains public sector information licensed under the Open Government Licence v3.0. How we work out these figures.