MOT reliability
Mg Zb
6 vehicles · 39 completed MOT tests analysed
95%
MOT pass rate
Based on 6 Mg Zb vehicles and 39 completed MOT tests, the Mg Zb has an overall 95% pass rate, with an average recorded mileage of 58,467 miles.
6
Vehicles
39
MOT tests
5,788
Avg miles / year
0.4
Faults per test
0%
Dangerous-fault share
Mg Zb problem areas
Where faults occur most across all Mg Zb MOT tests:
-
Other119%
-
Tyres, wheels & suspension6%
-
Brakes6%
-
Steering6%
Mg Zb pass rate by age
| Age (years) | Tests | Pass rate |
|---|---|---|
| 19 | 2 | 50% |
Fuel types: Petrol (6)
Most common Mg Zb MOT faults
These are the faults and advisories recorded most often across Mg Zb MOT tests:
- Offside Steering rack gaiter deteriorated (2.2.D.2d) (3 times)
- Nearside Rear Leaf spring has a slightly deteriorated anchor pin rubber bush not resulting in excessive movement (2.4.B.2) (2 times)
- Nearside Steering rack gaiter deteriorated (2.2.D.2d) (2 times)
- Offside Rear Leaf spring has a slightly deteriorated anchor pin rubber bush not resulting in excessive movement (2.4.B.2) (2 times)
- n/s front wing damaged (2 times)
- Nearside Front Lower Suspension arm pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i)) (1 times)
- Nearside Headlamp aim too low (1.8) (1 times)
- Dipswitch operation does not deflect all main beam headlamps to make them dipped beams (1.7.4b) (1 times)
- Speedometer not illuminated (1 times)
- clicking noise from near side rear wheel area when shaken. no play found (1 times)
- Nearside Front wheel bearing has slight play (2.5.A.3c) (1 times)
- Offside Rear Lower Shock absorber has a slightly worn bush (2.7.4) (1 times)
- Steering system has slight free play detected at steering wheel (2.2.A.1b) (1 times)
- Exhaust has part of the system slightly deteriorated (7.1.1a) (1 times)
- Rear Parking brake: parking brake efficiency only just met. It would appear that the braking system requires adjustment or repair. (3.7.B.7) (1 times)
Mg Zb pass rate by registration year
| Year | Vehicles | Tests | Pass rate | Avg mileage |
|---|---|---|---|---|
| 1990 | 1 | 5 | 60% | 80,821 |
| 1958 | 5 | 34 | 100% | 53,997 |
Mg Zb reliability FAQ
Across 6 Mg Zb vehicles in our MOT data,
95% pass the MOT (a 5% failure rate), with about
0.4 faults or advisories recorded per test.
The most frequently recorded Mg Zb MOT issues are:
Offside Steering rack gaiter deteriorated (2.2.D.2d); Nearside Rear Leaf spring has a slightly deteriorated anchor pin rubber bush not resulting in excessive movement (2.4.B.2); Nearside Steering rack gaiter deteriorated (2.2.D.2d).
The typical Mg Zb in our data has covered around
58,467 miles.
Compare the Mg Zb
See how the Mg Zb stacks up against other Mg models on MOT reliability:
Check a specific Mg Zb
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See all Mg models · Learn about common MOT failures · what an MOT checks