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Mercedes-benz 380 Reliability, MOT Pass Rate & Common Faults

Free Mercedes-benz 380 car check

Is the Mercedes-benz 380 reliable? We analysed 13,516 real MOT tests across 1,542 vehicles to find out.

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Data last updated: · Based on 13,516 real MOT tests
MOT Pass Rate
73.6%
Typical Mileage
99,395mi
Annual Mileage
484mi/yr
Est. Lifespan
46yrs

The Mercedes-benz 380 is about average for reliability based on real UK MOT data. Common problems include suspension component mounting prescribed area is excessively corroded, brake binding and headlamp aim too low. Here's everything you need to know before buying a used Mercedes-benz 380.

Mercedes-benz 380 Number Plates

Number plates registered to a Mercedes-benz 380. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.

Mercedes-benz 380 MOT Pass Rate by Year

How likely is a Mercedes-benz 380 to pass its MOT? Here's the pass rate for each registration year, newest first.

70%
1986
75.1%
1985
73.9%
1984
73.7%
1983
73.7%
1982
73%
1981
70.4%
1980

Mercedes-benz 380 Problems — What Goes Wrong?

The most common reasons a Mercedes-benz 380 fails its MOT, ranked by how often they occur. Check for these problems before you buy.

Suspension component mounting prescribed area is excessively corroded 976
brake binding 458
Headlamp aim too low 396
Brake pipe excessively corroded 367
Windscreen wiper does not clear the windscreen effectively 330
Windscreen washer provides insufficient washer liquid 319
Subframe mounting prescribed area is excessively corroded 300
Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings 294
Tyre tread depth below requirements of 1.6mm 270
Exhaust has a major leak of exhaust gases 257

Mercedes-benz 380 Mileage — What's Normal?

How many miles does a typical Mercedes-benz 380 owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.

Low usage
142 mi/yr
Typical
484 mi/yr
Average
1,343 mi/yr
Heavy usage
1,312 mi/yr

Mercedes-benz 380 MOT Data by Registration Year

Full breakdown of pass rate and mileage for each year. Use this to compare the Mercedes-benz 380 year you're looking at.

Year Tests Pass Rate Low Mi. Typical Mi. High Mi.
1986 170 70.0% 83,318 104,500 132,784
1985 2,829 75.1% 73,880 102,019 133,830
1984 1,954 73.9% 77,330 102,564 134,757
1983 2,137 73.7% 70,942 103,140 131,834
1982 1,987 73.7% 70,188 96,547 121,498
1981 2,863 73.0% 70,278 96,670 124,464
1980 1,206 70.4% 70,380 93,828 118,701

How Long Does a Mercedes-benz 380 Last?

Based on 1,542 Mercedes-benz 380 vehicles on UK roads.

Average
31.3 years
Median
31.0 years
Estimated max lifespan
46 years

Mercedes-benz 380 Mileage Distribution

Total mileage recorded across all Mercedes-benz 380 MOT tests. If the car you're looking at is above the 75th percentile, it's done more miles than most.

Median
99,395 mi
75th Percentile
127,935 mi
95th Percentile
176,620 mi
Max Recorded
997,114 mi

Best Year to Buy a Used Mercedes-benz 380

Based on MOT pass rates across all registration years with sufficient test data.

Best year
1985

75.1% MOT pass rate from 2,829 tests

Year to avoid
1986

70.0% MOT pass rate from 170 tests

The best year to buy a used Mercedes-benz 380 is 1985, which has the highest MOT pass rate at 75.1% across 2,829 tests. The 1986 model year has the lowest pass rate at 70.0% — if you're looking at one from that year, budget for potential repairs and get a thorough pre-purchase inspection.

How Does the Mercedes-benz 380 Compare?

MOT pass rates compared to similar models. Click any model for the full breakdown.

Model Pass Rate Tests Typical Mileage Lifespan
Mercedes-benz 380 THIS CAR 73.6% 13,516 99,395 mi 46 yrs
Mercedes-benz C 77.6% 8,031,355 77,082 mi 32 yrs
Mercedes-benz E 79.4% 4,722,746 83,960 mi 33 yrs
Mercedes-benz A-class 77.6% 4,204,702 57,023 mi 28 yrs
Isuzu Bighorn 69.9% 13,306 147,518 mi 34 yrs

Compared to the Mercedes-benz C (77.6% pass rate) and the Mercedes-benz E (79.4% pass rate), the Mercedes-benz 380 trails behind on MOT reliability.

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Should you buy a used Mercedes-benz 380?

The Mercedes-benz 380 has an overall MOT pass rate of 73.6% across 13,516 real MOT tests — roughly in line with the UK average.

The most common problems on the Mercedes-benz 380 are suspension component mounting prescribed area is excessively corroded (976 recorded failures), brake binding (458), and headlamp aim too low (396). These are the faults most likely to cause an MOT failure on this model, so check for them carefully on any test drive or pre-purchase inspection. Many are wear-and-tear items that can be budgeted for, but a car that's already failing on multiple fronts may signal neglected maintenance.

A typical Mercedes-benz 380 owner drives around 484 miles per year. If the car you're looking at is significantly above this, expect more wear on suspension, brakes and tyres. If it's well below, the vehicle may have been sitting unused — check for perished rubber, corroded discs and stale fluids.

In terms of longevity, most Mercedes-benz 380 models stay on UK roads for around 46 years — a strong showing that suggests solid build quality and readily available parts. If you're buying one that's already approaching that window, the data suggests it has plenty of life left provided it's been maintained.

Before committing to a purchase, we recommend running a full vehicle history check on the specific car. This will reveal any outstanding finance, stolen markers, write-off history and mileage discrepancies that the seller may not disclose — and that the MOT data alone can't tell you.

Mercedes-benz 380 — Frequently Asked Questions

Is the Mercedes-benz 380 reliable?
Based on 13,516 MOT tests, the Mercedes-benz 380 has a 73.6% pass rate — about average for UK cars.
What are the common problems on a Mercedes-benz 380?
The most common MOT failures are suspension component mounting prescribed area is excessively corroded, brake binding, and headlamp aim too low. Check these on any test drive.
How many miles does a Mercedes-benz 380 do per year?
The typical Mercedes-benz 380 does around 484 miles per year. Anything significantly above or below this is worth investigating.
How long does a Mercedes-benz 380 last?
Most Mercedes-benz 380 models stay on UK roads for around 46 years based on our analysis of 1,542 vehicles.
Should I get a vehicle check before buying a Mercedes-benz 380?
Yes. An MOT pass rate tells you about the model in general, but a vehicle history check reveals the specific car's finance, stolen, write-off and mileage history — things the seller may not disclose.
What is the best year to buy a Mercedes-benz 380?
Based on MOT pass rates, the best year to buy a used Mercedes-benz 380 is 1985 with a 75.1% pass rate across 2,829 tests.