How many on the road MOT results MOT check

MercedesGLS Class MOT results

In 2025, 86.4% of Mercedes GLS Class MOT tests were passed first time, better than the 82.1% for cars of the same age. 6.9% had at least one dangerous defect (5.5% for cars the same age). The typical Mercedes GLS Class tested was 6 years old with 56,000 miles. Based on 2,936 initial MOT tests in Great Britain.

RegisterHow many Mercedes GLS Class cars are on the road

First-time pass: 86.4%no defects to fix
Cars the same age: 82.1%first-time pass
Fixed at the test: 1.3%passed after repair
Failed: 12.3%needed a retest
Dangerous defect: 6.9%same age 5.5%
Typical mileage: 56,000at the test

Great Britain · DVSA MOT tests · 2025

First-time pass rate by year first registered

Mercedes GLS ClassAll cars first registered that year

Year first registered	Tests	First-time pass	All cars
2023	33	87.9%	91.7%
2022	354	84.5%	88.5%
2021	273	85.3%	87.2%
2020	385	86.0%	85.9%
2019	370	85.4%	83.5%
2018	543	86.2%	80.8%
2017	596	88.9%	78.1%
2016	375	86.4%	74.8%

Years with fewer than 30 tests are left out.

Great Britain · DVSA MOT tests · 2025

By age at the test

Mercedes GLS ClassAll cars that age

Age	Tests	First-time pass	All cars	Typical miles
3-4 years	679	85.0%	87.4%	37,100
5-9 years	2,115	86.8%	79.1%	64,100
10-14 years	1	100.0%	65.7%	91,900

Great Britain · DVSA MOT tests · 2025

Where they’re tested

Colour shows how common the Mercedes GLS 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
KT Kingston upon Thames	London	97	3.3%	4.0×	91.8%
NW London NW	London	91	3.1%	4.7×	91.2%
B Birmingham	West Midlands	90	3.1%	1.0×	94.4%
TW Twickenham	London	87	3.0%	4.1×	92.0%
CM Chelmsford	East of England	62	2.1%	1.8×	90.3%
RG Reading	South East	60	2.0%	1.3×	86.7%
RM Romford	London	58	2.0%	2.4×	87.9%
GU Guildford	South East	55	1.9%	1.4×	81.8%
MK Milton Keynes	South East	52	1.8%	1.7×	82.7%
N London N	London	52	1.8%	2.6×	90.4%
E London E	London	50	1.7%	2.1×	96.0%
SL Slough	South East	48	1.6%	2.3×	83.3%
HA Harrow	London	47	1.6%	2.7×	91.5%
DA Dartford	South East	46	1.6%	2.1×	78.3%
G Glasgow	Scotland	45	1.5%	1.0×	84.4%
IG Ilford	London	45	1.5%	3.5×	97.8%
LE Leicester	East Midlands	45	1.5%	0.9×	95.6%
UB Southall	London	44	1.5%	2.4×	88.6%
ME Rochester	South East	43	1.5%	1.4×	83.7%
TN Tonbridge	South East	43	1.5%	1.1×	83.7%
CR Croydon	London	42	1.4%	2.1×	81.0%
HP Hemel Hempstead	South East	42	1.4%	1.5×	81.0%
S Sheffield	Yorkshire and the Humber	42	1.4%	0.6×	90.5%
BS Bristol	South West	41	1.4%	0.8×	85.4%
M Manchester	North West	41	1.4%	0.9×	95.1%
SE London SE	London	41	1.4%	1.8×	90.2%
CV Coventry	West Midlands	40	1.4%	0.9×	80.0%
NG Nottingham	East Midlands	40	1.4%	0.7×	85.0%
SK Stockport	North West	40	1.4%	1.4×	72.5%
PE Peterborough	East of England	37	1.3%	0.7×	89.2%
SW London SW	London	36	1.2%	2.9×	88.9%
DE Derby	East Midlands	35	1.2%	0.9×	91.4%
EH Edinburgh	Scotland	35	1.2%	1.0×	77.1%
NN Northampton	East Midlands	35	1.2%	0.9×	85.7%
OX Oxford	South East	34	1.2%	1.0×	94.1%
W London W	London	34	1.2%	4.4×	79.4%
CF Cardiff	Wales	33	1.1%	0.7×	90.9%
IP Ipswich	East of England	33	1.1%	0.9×	81.8%
SS Southend-on-Sea	East of England	33	1.1%	1.3×	90.9%
L Liverpool	North West	32	1.1%	1.0×	90.6%
NE Newcastle upon Tyne	North East	32	1.1%	0.7×	81.2%
PO Portsmouth	South East	32	1.1%	0.8×	84.4%
RH Redhill	South East	31	1.1%	1.0×	83.9%
LU Luton	East of England	30	1.0%	1.5×	100.0%
SO Southampton	South East	30	1.0%	0.8×	80.0%
DN Doncaster	Yorkshire and the Humber	28	1.0%	0.7×	–
SG Stevenage	East of England	28	1.0%	1.3×	–
BH Bournemouth	South West	27	0.9%	0.9×	–
BN Brighton	South East	26	0.9%	0.7×	–
GL Gloucester	South West	26	0.9%	0.7×	–
WD Watford	East of England	26	0.9%	2.2×	–
LS Leeds	Yorkshire and the Humber	25	0.9%	0.8×	–
BL Bolton	North West	24	0.8%	1.1×	–
WA Warrington	North West	24	0.8%	0.8×	–
BA Bath	South West	23	0.8%	0.9×	–
CB Cambridge	East of England	22	0.7%	1.1×	–
OL Oldham	North West	22	0.7%	1.1×	–
CH Chester	North West	20	0.7%	0.6×	–
EN Enfield	London	20	0.7%	1.2×	–
NR Norwich	East of England	19	0.6%	0.5×	–
ST Stoke-on-Trent	West Midlands	19	0.6%	0.6×	–
TS Teesside	North East	18	0.6%	0.7×	–
AB Aberdeen	Scotland	17	0.6%	0.8×	–
CW Crewe	North West	17	0.6%	1.0×	–
SA Swansea	Wales	17	0.6%	0.5×	–
WV Wolverhampton	West Midlands	17	0.6%	0.9×	–
BB Blackburn	North West	16	0.5%	0.6×	–
BD Bradford	Yorkshire and the Humber	16	0.5%	0.6×	–
SN Swindon	South West	16	0.5%	0.6×	–
CO Colchester	East of England	15	0.5%	0.6×	–
CT Canterbury	South East	15	0.5%	0.7×	–
NP Newport	Wales	15	0.5%	0.6×	–
PR Preston	North West	15	0.5%	0.6×	–
HU Hull	Yorkshire and the Humber	13	0.4%	0.6×	–
PL Plymouth	South West	13	0.4%	0.4×	–
WF Wakefield	Yorkshire and the Humber	13	0.4%	0.5×	–
HD Huddersfield	Yorkshire and the Humber	12	0.4%	1.0×	–
TR Truro	South West	12	0.4%	0.7×	–
AL St Albans	East of England	11	0.4%	0.9×	–
EX Exeter	South West	11	0.4%	0.3×	–
LN Lincoln	East Midlands	11	0.4%	0.7×	–
BR Bromley	London	10	0.3%	1.0×	–
DY Dudley	West Midlands	10	0.3%	0.5×	–
FY Blackpool	North West	10	0.3%	0.8×	–
KY Kirkcaldy	Scotland	10	0.3%	0.6×	–
SM Sutton	London	10	0.3%	1.5×	–
SY Shrewsbury	West Midlands	9	0.3%	0.5×	–
WS Walsall	West Midlands	9	0.3%	0.4×	–
CA Carlisle	North West	8	0.3%	0.5×	–
DT Dorchester	South West	8	0.3%	0.7×	–
HG Harrogate	Yorkshire and the Humber	8	0.3%	1.0×	–
IV Inverness	Scotland	8	0.3%	0.6×	–
PH Perth	Scotland	8	0.3%	0.9×	–
TA Taunton	South West	8	0.3%	0.4×	–
YO York	Yorkshire and the Humber	8	0.3%	0.3×	–
LA Lancaster	North West	7	0.2%	0.4×	–
LL Llandudno	Wales	7	0.2%	0.3×	–
SR Sunderland	North East	7	0.2%	0.7×	–
DD Dundee	Scotland	6	0.2%	0.5×	–
KA Kilmarnock	Scotland	6	0.2%	0.4×	–
FK Falkirk	Scotland	5	0.2%	0.4×	–
SP Salisbury	South West	5	0.2%	0.4×	–
TD Galashiels	Scotland	5	0.2%	0.9×	–
DH Durham	North East	fewer than 5	–	–	–
DL Darlington	North East	fewer than 5	–	–	–
HR Hereford	West Midlands	fewer than 5	–	–	–
HX Halifax	Yorkshire and the Humber	fewer than 5	–	–	–
KW Kirkwall	Scotland	fewer than 5	–	–	–
LD Llandrindod Wells	Wales	fewer than 5	–	–	–
ML Motherwell	Scotland	fewer than 5	–	–	–
PA Paisley	Scotland	fewer than 5	–	–	–
TF Telford	West Midlands	fewer than 5	–	–	–
TQ Torquay	South West	fewer than 5	–	–	–
WN Wigan	North West	fewer than 5	–	–	–
WR Worcester	West Midlands	fewer than 5	–	–	–
ZE Shetland	Scotland	fewer than 5	–	–	–

Region	Tests	Share	vs all cars	First-time pass
Scotland	153	5.2%	0.7×	83.0%
North East	64	2.2%	0.5×	82.8%
North West	279	9.5%	0.8×	81.4%
Yorkshire and the Humber	167	5.7%	0.6×	89.2%
Wales	73	2.5%	0.5×	86.3%
West Midlands	205	7.0%	0.7×	87.8%
East Midlands	166	5.7%	0.8×	89.2%
East of England	316	10.8%	1.1×	87.7%
London	764	26.0%	2.7×	90.3%
South East	557	19.0%	1.2×	83.7%
South West	192	6.5%	0.6×	81.8%

Great Britain · DVSA MOT tests · 2025

Where they fail

Share of tests with at least one failure in each area, against cars of the same age.

Mercedes GLS ClassCars the same age

Tyres8.1%5.5%
Lights and electrics1.5%4.7%
Brakes1.4%3.3%
Body and structure1.1%1.0%
Emissions and leaks0.9%1.4%
Suspension0.9%3.5%
Visibility (wipers, glass, mirrors)0.6%3.1%
Seat belts and airbags0.6%0.4%
Steering0.1%0.7%

A test can fail in more than one area. Failures fixed during the test are included.

Great Britain · DVSA MOT tests · 2025

Most common failures

The 10 defects that failed Mercedes GLS Class tests most often, as a share of all tests.

Failure	Tests	Cars the same age	vs same age	Marked dangerous
Condition: has a cut in excess of the requirements deep enough to reach the ply or cords Tyres	2.6%	1.6%	1.6×	0.0%
Tread depth: tread depth below requirements of 1.6mm Tyres Dangerous	2.5%	1.8%	1.4×	100.0%
Condition: has ply or cords exposed Tyres Dangerous	2.5%	1.0%	2.5×	100.0%
Malfunction indicator lamp: inoperative or indicates a malfunction Emissions and leaks	0.9%	1.0%	0.9×	0.0%
Joints: constant velocity boot split or insecure, no longer prevents the ingress of dirt Body and structure	0.8%	0.5%	1.6×	0.0%
Condition: has a bulge, caused by separation or partial failure of its structure Tyres Dangerous	0.7%	0.4%	1.8×	100.0%
Brake pads: less than 1.5 mm thick Brakes Dangerous	0.7%	1.6%	0.4×	100.0%
Registration plates: does not conform to the specified requirements Identification of the vehicle	0.5%	0.1%	5.0×	0.0%
Brake pads: worn down to wear indicator Brakes	0.5%	0.2%	2.5×	0.0%
Ball joint: ball joint excessively worn Suspension	0.4%	0.6%	0.7×	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.

Great Britain · DVSA MOT tests · 2025

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	18.7%
Brake pads: wearing thin	6.8%
Brake discs: worn, pitted or scored, but not seriously weakened	3.7%
Brake discs: worn, but not excessively	3.0%
Non-component advisories: Nail in tyre	2.7%
Condition: has a cut but not deep enough to reach the ply or cords	2.6%
Non-component advisories: Child Seat fitted not allowing full inspection of adult belt	2.1%
Ball joint: ball joint has slight play	1.4%
Condition: slightly damaged/cracking or perishing	1.0%
Condition: slightly damaged	0.9%

Great Britain · DVSA MOT tests · 2025

By fuel

Fuel	Tests	First-time pass
Diesel	2,659	86.2%
Petrol	227	89.0%
Hybrid	50	88.0%

Fuels with fewer than 30 tests are left out. Different fuels often mean different ages, so compare with care.

MOT results for every model