Mercedes Benz

Mercedes Benz 500 (1986)

280 real MOT outcomes analysed • 73.6% first-time pass rate

1986 Mercedes Benz 500

CarHunch analysed 280 real MOT records for the 1986 Mercedes Benz 500. 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 Still on the Road MOT Averages Colour Breakdown Compare Models

We have limited data for the 1986 Mercedes Benz 500 — treat the figures below as indicative rather than definitive.

⚠️ Over 1 in 5 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
73.6%
UK average ~80%
Below average
Dangerous (ever)
21.1%
At least once in MOT history
Check this vehicle
Avg failures / car
2.74
Over 10.3 tests on record
High
Typical mileage
117k
Middle half: 90k–146k
For context

These stats describe 280 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 280 vehicles — figures show how many had each issue flagged at least once in their MOT history.

Other issues 46.2%
Oil leak · Oil leak, but not excessive · Fuel pipe/s corroded
Tyre wear 22.1%
Offside Front Tyre worn close to the legal limit · Offside Rear Tyre worn close to the legal limit · Nearside Rear 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.
Exhaust & emissions 19.6%
Exhaust emissions carbon monoxide content excessive · Exhaust has a minor leak of exhaust gases
Suspension & steering 18%
Steering system has slight free play detected at steering wheel
Harder to spot without a ramp — this is a good reason to book a pre-purchase inspection.
Brake wear 17.2%
Offside Rear Brake pipe slightly corroded · Parking brake: efficiency below requirements · Nearside Rear Brake pipe slightly corroded · …
Ask the seller when brakes were last serviced. If they don't know, factor in the cost.
Lighting 11.9%
Exhaust has part of the system slightly deteriorated
Usually cheap to fix. Worth confirming all lights work before collecting.

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 280 Mercedes Benz 500 cars.

UK

Before you buy a 1986 Mercedes Benz 500

Based on MOT data from 280 vehicles — here's what to check.

  • 📋 Check the full MOT history. 21.1% 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
Petrol (99%) 276 73.6% 2.75

Colour Breakdown

Based on 4,304 Mercedes Benz 500 vehicles registered in the UK — across all years. From DVLA registration records.

Blue 28.5%
1,228
Silver 18.8%
808
Black 15.7%
675
Red 13.1%
563
Grey 7.3%
316
White 5.4%
233
Green 5.3%
226
Gold 3.3%
143
Brown 1.4%
62
Cream 0.7%
29
Maroon 0.3%
11
Purple 0.2%
10

Mileage Distribution

Most 1986 Mercedes Benz 500 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.

117,497
typical
89,687
low mileage
146,452
high mileage

Half of all 1986 Mercedes Benz 500 vehicles fall between 89,687 and 146,452 miles.

Is the mileage you're seeing normal?
Under 89,687 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.
89,687–146,452 miles — normal for age. This is where most 1986 Mercedes Benz 500s sit.
Over 197,710 miles — higher than typical. Not necessarily a problem, but check service history and look out for advisory build-up on tyres and brakes.

1986 Mercedes Benz 500 — Still on the Road

Numbers are thinning — 62% of 1986 Mercedes Benz 500s are still active.

63 vehicles still getting MOTs in 2025 — 62% of the peak remain.

102 63 2014 2025

Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2014–2025.
* The 2020 dip reflects the government's COVID-19 MOT exemption, which allowed certificates to be extended by six months — fewer tests were conducted that year.

MOT History Averages

10.3
Avg MOT tests per vehicle
2.74
Avg failures per vehicle
9.8
Avg advisories per vehicle
Other model years — Mercedes Benz 500: All 500 years → Which year to buy? →
1982 1983 1984 1985 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 500 stacks up against a rival.

Buyer beware — pass it on