MOT reliability

Mercedes-benz X

Q: Is the Mercedes-benz X reliable?

Across 4,468 Mercedes-benz X vehicles in our MOT data, 83% pass the MOT (a 17% failure rate), with about 1.2 faults or advisories recorded per test.

Q: What is the average mileage of a Mercedes-benz X?

The typical Mercedes-benz X in our data has covered around 72,906 miles.

4,468 vehicles · 22,409 completed MOT tests analysed

83%

MOT pass rate

Based on 4,468 Mercedes-benz X vehicles and 22,409 completed MOT tests, the Mercedes-benz X has an overall 83% pass rate, with an average recorded mileage of 72,906 miles.

4,468

Vehicles

22,409

MOT tests

10,697

Avg miles / year

1.2

Faults per test

Dangerous-fault share

Mercedes-benz X problem areas

Where faults occur most across all Mercedes-benz X MOT tests:

Tyres, wheels & suspension35%
Brakes29%
Other11%
Lamps & electrical9%
Visibility8%
Emissions & nuisance6%
Body & structure3%
Seatbelts & equipment2%

Mercedes-benz X pass rate by age

How the Mercedes-benz X's MOT pass rate changes as it ages (buckets with 20+ tests).

Age (years)	Tests	Pass rate
1	2	100%
2	97	84%
3	4,824	84%
4	4,744	84%
5	4,831	83%
6	4,284	82%
7	2,661	83%
8	865	82%
9	91	76%

Fuel types: Diesel (4,468)

Most common Mercedes-benz X MOT faults

These are the faults and advisories recorded most often across Mercedes-benz X MOT tests:

Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (875 times)
Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (865 times)
Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (851 times)
Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (793 times)
Rear Brake pad(s) wearing thin (1.1.13 (a) (ii)) (718 times)
Front Brake pad(s) wearing thin (1.1.13 (a) (ii)) (699 times)
Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) (523 times)
Parking brake efficiency below requirements (1.4.2 (a) (i)) (457 times)
Oil leak, but not excessive (8.4.1 (a) (i)) (447 times)
Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) (370 times)
Windscreen damaged but not adversely affecting driver's view (3.2 (a) (i)) (368 times)
Front Brake disc worn, but not excessively (1.1.14 (a) (i)) (351 times)
Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii)) (340 times)
Offside Registration plate lamp inoperative in the case of multiple lamps or light sources (4.7.1 (b) (i)) (300 times)
Rear Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii)) (243 times)

Mercedes-benz X pass rate by registration year

Year	Vehicles	Tests	Pass rate	Avg mileage
2021	1	4	75%	78,729
2020	773	2,830	85%	59,893
2019	1,956	9,348	84%	70,647
2018	1,549	9,003	82%	80,075
2017	186	1,214	82%	85,446

Mercedes-benz X reliability FAQ

Across 4,468 Mercedes-benz X vehicles in our MOT data, 83% pass the MOT (a 17% failure rate), with about 1.2 faults or advisories recorded per test.

The most frequently recorded Mercedes-benz X MOT issues are: Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e)); Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e)); Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)).

The typical Mercedes-benz X in our data has covered around 72,906 miles.

Compare the Mercedes-benz X

See how the Mercedes-benz X stacks up against other Mercedes-benz models on MOT reliability:

X vs C X vs E X vs Sprinter X vs A-class

Check a specific Mercedes-benz X

Enter a registration to see that exact vehicle's full MOT history, advisories and recurring faults.

See all Mercedes-benz models · Learn about common MOT failures · what an MOT checks