MercedesGL Class MOT results
In 2025, 82.9% of Mercedes GL Class MOT tests were passed first time, better than the 66.9% for cars of the same age. 5.5% had at least one dangerous defect (8.4% for cars the same age). The typical Mercedes GL Class tested was 11 years old with 100,000 miles. Based on 3,056 initial MOT tests in Great Britain.
RegisterHow many Mercedes GL Class cars are on the road
- First-time pass
- 82.9%no defects to fix
- Cars the same age
- 66.9%first-time pass
- Fixed at the test
- 3.3%passed after repair
- Failed
- 13.8%needed a retest
- Dangerous defect
- 5.5%same age 8.4%
- Typical mileage
- 100,000at the test
First-time pass rate by year first registered
| Year first registered | Tests | First-time pass | All cars |
|---|---|---|---|
| 2019 | 53 | 75.5% | 83.5% |
| 2016 | 216 | 82.4% | 74.8% |
| 2015 | 619 | 85.5% | 71.8% |
| 2014 | 517 | 85.7% | 68.5% |
| 2013 | 492 | 84.1% | 65.6% |
| 2012 | 97 | 83.5% | 63.2% |
| 2011 | 258 | 78.7% | 61.0% |
| 2010 | 179 | 81.0% | 59.1% |
| 2009 | 88 | 77.3% | 58.1% |
| 2008 | 161 | 76.4% | 57.0% |
| 2007 | 202 | 78.7% | 57.2% |
| 2006 | 51 | 78.4% | 56.8% |
Years with fewer than 30 tests are left out.
By age at the test
| Age | Tests | First-time pass | All cars | Typical miles |
|---|---|---|---|---|
| 3-4 years | 46 | 97.8% | 87.4% | 34,700 |
| 5-9 years | 631 | 84.0% | 79.1% | 77,000 |
| 10-14 years | 1,788 | 83.6% | 65.7% | 101,500 |
| 15-19 years | 577 | 78.3% | 57.6% | 128,200 |
| 20-29 years | 11 | 72.7% | 59.6% | 78,000 |
| 30-39 years | 1 | 100.0% | 71.3% | 5,000 |
Where they’re tested
Colour shows how common the Mercedes GL Class is among cars tested in each area, against its share across Great Britain: 2× means twice as common as usual.
- under 0.5×
- 0.5×–0.8×
- 0.8×–1.25×
- 1.25×–2×
- 2× or more
- Fewer than 5 tests
- None tested
Postcode area of the garage that did the test, not where the owner lives. Hover over or tap an area for its figures.
| Postcode area | Region | Tests | Share | vs all cars | First-time pass |
|---|---|---|---|---|---|
| B Birmingham | West Midlands | 118 | 3.9% | 1.2× | 85.6% |
| KT Kingston upon Thames | London | 79 | 2.6% | 3.1× | 87.3% |
| RG Reading | South East | 74 | 2.4% | 1.6× | 81.1% |
| UB Southall | London | 73 | 2.4% | 3.9× | 90.4% |
| NW London NW | London | 63 | 2.1% | 3.1× | 81.0% |
| M Manchester | North West | 62 | 2.0% | 1.3× | 85.5% |
| HA Harrow | London | 61 | 2.0% | 3.3× | 88.5% |
| GU Guildford | South East | 57 | 1.9% | 1.4× | 78.9% |
| NG Nottingham | East Midlands | 57 | 1.9% | 1.0× | 84.2% |
| N London N | London | 55 | 1.8% | 2.7× | 87.3% |
| RM Romford | London | 52 | 1.7% | 2.1× | 90.4% |
| PE Peterborough | East of England | 51 | 1.7% | 0.9× | 78.4% |
| S Sheffield | Yorkshire and the Humber | 51 | 1.7% | 0.7× | 84.3% |
| E London E | London | 50 | 1.6% | 2.0× | 92.0% |
| LE Leicester | East Midlands | 48 | 1.6% | 0.9× | 87.5% |
| DE Derby | East Midlands | 46 | 1.5% | 1.1× | 100.0% |
| MK Milton Keynes | South East | 46 | 1.5% | 1.4× | 89.1% |
| SL Slough | South East | 46 | 1.5% | 2.1× | 80.4% |
| G Glasgow | Scotland | 45 | 1.5% | 0.9× | 91.1% |
| SE London SE | London | 45 | 1.5% | 1.9× | 73.3% |
| TN Tonbridge | South East | 45 | 1.5% | 1.1× | 75.6% |
| CM Chelmsford | East of England | 43 | 1.4% | 1.2× | 97.7% |
| TW Twickenham | London | 43 | 1.4% | 1.9× | 67.4% |
| NN Northampton | East Midlands | 41 | 1.3% | 1.0× | 73.2% |
| SW London SW | London | 41 | 1.3% | 3.2× | 82.9% |
| BH Bournemouth | South West | 40 | 1.3% | 1.3× | 80.0% |
| HP Hemel Hempstead | South East | 40 | 1.3% | 1.4× | 90.0% |
| CV Coventry | West Midlands | 39 | 1.3% | 0.9× | 89.7% |
| OX Oxford | South East | 39 | 1.3% | 1.1× | 82.1% |
| SS Southend-on-Sea | East of England | 39 | 1.3% | 1.5× | 84.6% |
| BS Bristol | South West | 38 | 1.2% | 0.7× | 63.2% |
| IG Ilford | London | 38 | 1.2% | 2.8× | 89.5% |
| ME Rochester | South East | 38 | 1.2% | 1.2× | 89.5% |
| W London W | London | 38 | 1.2% | 4.7× | 86.8% |
| PO Portsmouth | South East | 37 | 1.2% | 0.9× | 75.7% |
| CR Croydon | London | 36 | 1.2% | 1.7× | 83.3% |
| L Liverpool | North West | 36 | 1.2% | 1.1× | 75.0% |
| BB Blackburn | North West | 35 | 1.1% | 1.3× | 85.7% |
| BD Bradford | Yorkshire and the Humber | 35 | 1.1% | 1.3× | 91.4% |
| EH Edinburgh | Scotland | 35 | 1.1% | 0.9× | 68.6% |
| BL Bolton | North West | 31 | 1.0% | 1.3× | 96.8% |
| DN Doncaster | Yorkshire and the Humber | 31 | 1.0% | 0.8× | 87.1% |
| BN Brighton | South East | 30 | 1.0% | 0.8× | 73.3% |
| DA Dartford | South East | 30 | 1.0% | 1.3× | 86.7% |
| CH Chester | North West | 29 | 0.9% | 0.9× | – |
| EN Enfield | London | 29 | 0.9% | 1.6× | – |
| LU Luton | East of England | 29 | 0.9% | 1.4× | – |
| NE Newcastle upon Tyne | North East | 29 | 0.9% | 0.6× | – |
| SO Southampton | South East | 28 | 0.9% | 0.8× | – |
| IP Ipswich | East of England | 27 | 0.9% | 0.7× | – |
| CF Cardiff | Wales | 26 | 0.9% | 0.5× | – |
| NR Norwich | East of England | 26 | 0.9% | 0.6× | – |
| WD Watford | East of England | 26 | 0.9% | 2.2× | – |
| AB Aberdeen | Scotland | 24 | 0.8% | 1.0× | – |
| SK Stockport | North West | 24 | 0.8% | 0.8× | – |
| RH Redhill | South East | 23 | 0.8% | 0.7× | – |
| WF Wakefield | Yorkshire and the Humber | 23 | 0.8% | 0.8× | – |
| AL St Albans | East of England | 21 | 0.7% | 1.6× | – |
| HU Hull | Yorkshire and the Humber | 21 | 0.7% | 1.0× | – |
| WA Warrington | North West | 21 | 0.7% | 0.7× | – |
| EX Exeter | South West | 20 | 0.7% | 0.6× | – |
| GL Gloucester | South West | 20 | 0.7% | 0.5× | – |
| LS Leeds | Yorkshire and the Humber | 20 | 0.7% | 0.6× | – |
| CT Canterbury | South East | 19 | 0.6% | 0.8× | – |
| WV Wolverhampton | West Midlands | 19 | 0.6% | 0.9× | – |
| CO Colchester | East of England | 18 | 0.6% | 0.7× | – |
| SN Swindon | South West | 18 | 0.6% | 0.7× | – |
| ST Stoke-on-Trent | West Midlands | 16 | 0.5% | 0.5× | – |
| LA Lancaster | North West | 15 | 0.5% | 0.9× | – |
| SG Stevenage | East of England | 15 | 0.5% | 0.7× | – |
| TS Teesside | North East | 15 | 0.5% | 0.5× | – |
| KA Kilmarnock | Scotland | 14 | 0.5% | 0.9× | – |
| OL Oldham | North West | 14 | 0.5% | 0.7× | – |
| TA Taunton | South West | 14 | 0.5% | 0.7× | – |
| YO York | Yorkshire and the Humber | 14 | 0.5% | 0.5× | – |
| BR Bromley | London | 13 | 0.4% | 1.2× | – |
| CB Cambridge | East of England | 13 | 0.4% | 0.6× | – |
| FY Blackpool | North West | 13 | 0.4% | 1.0× | – |
| LL Llandudno | Wales | 12 | 0.4% | 0.4× | – |
| PL Plymouth | South West | 12 | 0.4% | 0.4× | – |
| SM Sutton | London | 12 | 0.4% | 1.8× | – |
| SP Salisbury | South West | 12 | 0.4% | 0.8× | – |
| SY Shrewsbury | West Midlands | 12 | 0.4% | 0.6× | – |
| BA Bath | South West | 11 | 0.4% | 0.4× | – |
| DL Darlington | North East | 11 | 0.4% | 0.6× | – |
| DT Dorchester | South West | 11 | 0.4% | 0.9× | – |
| NP Newport | Wales | 11 | 0.4% | 0.4× | – |
| PA Paisley | Scotland | 11 | 0.4% | 0.8× | – |
| SA Swansea | Wales | 11 | 0.4% | 0.3× | – |
| WN Wigan | North West | 11 | 0.4% | 0.8× | – |
| WS Walsall | West Midlands | 11 | 0.4% | 0.5× | – |
| PR Preston | North West | 10 | 0.3% | 0.4× | – |
| DD Dundee | Scotland | 9 | 0.3% | 0.7× | – |
| LN Lincoln | East Midlands | 9 | 0.3% | 0.5× | – |
| WR Worcester | West Midlands | 9 | 0.3% | 0.5× | – |
| CA Carlisle | North West | 8 | 0.3% | 0.4× | – |
| SR Sunderland | North East | 8 | 0.3% | 0.8× | – |
| HG Harrogate | Yorkshire and the Humber | 7 | 0.2% | 0.8× | – |
| HR Hereford | West Midlands | 7 | 0.2% | 0.6× | – |
| ML Motherwell | Scotland | 7 | 0.2% | 0.5× | – |
| TQ Torquay | South West | 7 | 0.2% | 0.5× | – |
| DY Dudley | West Midlands | 6 | 0.2% | 0.3× | – |
| TD Galashiels | Scotland | 6 | 0.2% | 1.0× | – |
| TR Truro | South West | 6 | 0.2% | 0.3× | – |
| DH Durham | North East | 5 | 0.2% | 0.3× | – |
| KY Kirkcaldy | Scotland | 5 | 0.2% | 0.3× | – |
| CW Crewe | North West | fewer than 5 | – | – | – |
| DG Dumfries | Scotland | fewer than 5 | – | – | – |
| FK Falkirk | Scotland | fewer than 5 | – | – | – |
| HD Huddersfield | Yorkshire and the Humber | fewer than 5 | – | – | – |
| HX Halifax | Yorkshire and the Humber | fewer than 5 | – | – | – |
| IV Inverness | Scotland | fewer than 5 | – | – | – |
| KW Kirkwall | Scotland | fewer than 5 | – | – | – |
| PH Perth | Scotland | fewer than 5 | – | – | – |
| TF Telford | West Midlands | fewer than 5 | – | – | – |
| Region | Tests | Share | vs all cars | First-time pass |
|---|---|---|---|---|
| Scotland | 169 | 5.5% | 0.7× | 76.9% |
| North East | 68 | 2.2% | 0.6× | 79.4% |
| North West | 313 | 10.2% | 0.9× | 82.4% |
| Yorkshire and the Humber | 208 | 6.8% | 0.8× | 86.5% |
| Wales | 60 | 2.0% | 0.4× | 71.7% |
| West Midlands | 240 | 7.9% | 0.8× | 87.9% |
| East Midlands | 201 | 6.6% | 1.0× | 86.6% |
| East of England | 308 | 10.1% | 1.0× | 81.8% |
| London | 728 | 23.8% | 2.5× | 85.0% |
| South East | 552 | 18.1% | 1.2× | 82.2% |
| South West | 209 | 6.8% | 0.7× | 75.1% |
Where they fail
Share of tests with at least one failure in each area, against cars of the same age.
A test can fail in more than one area. Failures fixed during the test are included.
Most common failures
The 10 defects that failed Mercedes GL Class tests most often, as a share of all tests.
| Failure | Tests | Cars the same age | vs same age | Marked dangerous |
|---|---|---|---|---|
| Tread depth: tread depth below requirements of 1.6mm Tyres Dangerous | 2.3% | 2.6% | 0.9× | 100.0% |
| Malfunction indicator lamp: inoperative or indicates a malfunction Emissions and leaks | 2.2% | 1.8% | 1.2× | 0.0% |
| Condition: has ply or cords exposed Tyres Dangerous | 1.6% | 1.5% | 1.1× | 100.0% |
| Joints: constant velocity boot split or insecure, no longer prevents the ingress of dirt Body and structure | 1.3% | 1.8% | 0.7× | 0.0% |
| Condition: has a cut in excess of the requirements deep enough to reach the ply or cords Tyres | 1.3% | 1.3% | 1.0× | 0.0% |
| Position lamp: not working Lights and electrics | 1.1% | 3.2% | 0.3× | 0.0% |
| Rigid brake pipes: excessively corroded Brakes | 0.9% | 0.6% | 1.5× | 0.0% |
| Shock absorbers: has a serious fluid leak Suspension | 0.8% | 1.1% | 0.7× | 0.0% |
| Brake pads: less than 1.5 mm thick Brakes Dangerous | 0.8% | 2.0% | 0.4× | 100.0% |
| Headlamp aim: too low Lights and electrics | 0.7% | 1.3% | 0.5× | 0.0% |
“vs same age” compares this model with cars of the same age: 2.0× means twice as often. “Marked dangerous” is how often the tester recorded that failure as dangerous.
Most common advisories
Things the tester noted to watch, which don’t fail the test.
| Advisory | Tests |
|---|---|
| Tread depth: worn close to legal limit/worn on edge | 19.7% |
| Engine oil leaks: leak, but not excessive | 10.4% |
| Brake discs: worn, pitted or scored, but not seriously weakened | 7.7% |
| Brake pads: wearing thin | 6.4% |
| Rigid brake pipes: corroded, covered in grease or other material | 5.8% |
| Shock absorbers: has light misting of oil | 3.8% |
| Brake discs: worn, but not excessively | 3.8% |
| Condition: slightly damaged/cracking or perishing | 3.5% |
| Pins and bushes: pin or bush worn but not resulting in excessive movement | 2.9% |
| Non-component advisories: Child Seat fitted not allowing full inspection of adult belt | 2.0% |
By fuel
| Fuel | Tests | First-time pass |
|---|---|---|
| Diesel | 2,639 | 82.5% |
| Petrol | 409 | 85.1% |
Fuels with fewer than 30 tests are left out. Different fuels often mean different ages, so compare with care.