Mercedes Benz

Mercedes Benz 250 (1986)

150 real MOT outcomes analysed • 65.1% first-time pass rate

1986 Mercedes Benz 250

CarHunch analysed 150 real MOT records for the 1986 Mercedes Benz 250. Real test outcomes — pass rates, defect profiles, mileage data — from verified DVLA records. Updated as new MOTs are recorded.
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AI Analysis Reliability Overview Common Issues Check a Specific Reg Buyer's Checklist Pass Rate by Fuel Mileage Distribution MOT Averages Compare Models

We have limited data for the 1986 Mercedes Benz 250 — treat the figures below as indicative rather than definitive.

⚠️ Around 1 in 8 of these vehicles have had a dangerous MOT failure at some point — usually tyres or brakes, and often a one-off issue rather than a persistent problem. The group stats won't tell you which one you're looking at.
First-time pass
65.1%
UK average ~80%
Below average
Dangerous (ever)
16.7%
At least once in MOT history
Check this vehicle
Avg failures / car
1.7
Over 4.8 tests on record
High
Typical mileage
179k
Middle half: 135k–218k
For context

These stats describe 150 vehicles as a group. The specific vehicle you're looking at could be the one good example or the one outlier. Run its registration to find out.

Buyer beware — pass it on

What tends to go wrong

Across 150 vehicles — figures show how many had each issue flagged at least once in their MOT history.

Brake wear 31.2%
Parking brake: efficiency below requirements · Nearside Front Brake pipe slightly corroded · Offside Front Brake pipe slightly corroded · …
Ask the seller when brakes were last serviced. If they don't know, factor in the cost.
Other issues 21.6%
Oil leak · Fuel pipe/s corroded
Tyre wear 20.7%
Offside Rear Tyre worn close to the legal limit · Nearside Rear Tyre worn close to the legal limit · Offside Front Tyre worn close to the legal limit · …
Budget for a full set — on a vehicle this age, tyres are expected consumables. An inspection will confirm how much is left.
Lighting 11.1%
Offside Rear fog lamp not working
Usually cheap to fix. Worth confirming all lights work before collecting.
Suspension & steering 9.2%
Nearside Front wheel bearing has slight play
Harder to spot without a ramp — this is a good reason to book a pre-purchase inspection.

Data covers a 3-year window centred on 1986.

See this vehicle's full MOT history & AI hunches

Spot recurring advisories, hidden issues, and how it compares to 150 Mercedes Benz 250 cars.

UK

Before you buy a 1986 Mercedes Benz 250

Based on MOT data from 150 vehicles — here's what to check.

  • 📋 Check the full MOT history. 16.7% of these vehicles have had a dangerous defect recorded - recurring advisories often signal problems years before they become failures.
    Search the reg on CarHunch for the full MOT history, reliability stats and a free AI-powered analysis of that exact vehicle.
  • 🔍 Brake pipes, sills and subframes are the key areas on a vehicle this age — structural rust is hard to spot without getting underneath. A mechanic will check all of this before you commit, and give you a concrete basis to negotiate on price. Inspection ClickMechanic
  • 📄 Outstanding finance, insurance write-offs and clocking won't appear in the MOT records — a dedicated history check covers all of this. Our link gets you 20% off automatically. History carVertical Get 20% off via CarHunch

Pass Rate by Fuel Type

Fuel type Vehicles Pass rate Avg failures
Diesel (98%) 147 64.4% 1.73

Mileage Distribution

Most 1986 Mercedes Benz 250 vehicles sit in the blue band. If the vehicle you're looking at is outside it, it's either unusually low or high mileage for its age.

178,804
typical
135,319
low mileage
217,887
high mileage

Half of all 1986 Mercedes Benz 250 vehicles fall between 135,319 and 217,887 miles.

Is the mileage you're seeing normal?
Under 135,319 miles — lower than most. Could be great, or could be a vehicle that rarely moved. Check test frequency and mileage progression in the MOT history.
135,319–217,887 miles — normal for age. This is where most 1986 Mercedes Benz 250s sit.
Over 294,147 miles — higher than typical. Not necessarily a problem, but check service history and look out for advisory build-up on tyres and brakes.

MOT History Averages

4.8
Avg MOT tests per vehicle
1.7
Avg failures per vehicle
6.6
Avg advisories per vehicle
Other model years — Mercedes Benz 250: All 250 years → Which year to buy? →
1987 1988 1989 1990 1991 1992 1993

Or browse all models: Mercedes Benz →

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Compare with another model

See how the 1986 Mercedes Benz 250 stacks up against a rival.

Buyer beware — pass it on