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1982 Mercedes 300 G Wagon MOT Pass Rate

Pass rate for 300 G Wagon models manufactured in 1982, based on 53 real MOT test results.

49.1%
Pass Rate
50.9%
Fail Rate
53
Total Tests
47,201
Avg Mileage

Data from official DVSA MOT testing records

1982 Mercedes 300 G Wagon MOT Analysis

The 1982 Mercedes 300 G Wagon has an MOT pass rate of 49.1% based on 53 tests — significantly below the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 47,201 miles on the odometer. With a 50.9% failure rate, the 1982 300 G Wagon is rated as "Very Poor" for MOT reliability.

The leading cause of MOT failure for the 1982 Mercedes 300 G Wagon is Suspension, responsible for 5.7% of failures. Suspension failures typically involve worn bushes, leaking shock absorbers, broken coil springs, and damaged suspension arms. These affect ride quality, tyre wear, and road holding. Typical repair costs range from £200–500. Body, chassis, structure is the second most common issue at 1.9%. Seat belts and supplementary restraint systems follows at 1.9%.

⚠ Based on limited data (53 tests)

Top failures specific to 1982 models only. The overall 300 G Wagon page may show different rankings.

What Fails Most

What Fails on This Car?

Click a category to see specific failure items.

View as table
MOT failure categories ranked by failure rate
RankFailure CategoryRate (%)Count
1Suspension5.7%3
2Body, Chassis, Structure1.9%1
3Seat Belts And Supplementary Restraint Systems1.9%1

Failures per 10,000 Miles

avg. 47,201 mi

For every 10,000 miles driven, this shows what percentage of MOT tests fail for each category. This accounts for how far cars are actually driven, not just raw pass/fail counts.

Suspension1.20% per 10K miBody & Structure0.40% per 10K miSeat Belts0.40% per 10K mi
View as table
Mileage-normalised failure rates by category
CategoryRate / 10K miRaw %Count
Suspension1.205.7%3
Body & Structure0.401.9%1
Seat Belts0.401.9%1

Mileage Statistics

47,201
Mean
50,153
Median
43,985
25th Percentile
55,897
75th Percentile
10.78% failures per 10K miles

Mileage-adjusted failure rate — accounts for how much this model year is typically driven.

About This Data

The 1982 Mercedes 300 G Wagon has an MOT pass rate of 49.1% based on 53 tests — significantly below the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 47,201 miles on the odometer. With a 50.9% failure rate, the 1982 300 G Wagon is rated as "Very Poor" for MOT reliability.

If you own or are considering buying a 1982 Mercedes 300 G Wagon, be prepared for above-average maintenance costs. Before your MOT, pay particular attention to suspension: Look for uneven tyre wear, listen for clunking over bumps, and check if the car pulls to one side. A bouncy ride suggests worn shock absorbers. Visually inspect coil springs for cracks. With relatively low average mileage of 47,201 miles, many of these vehicles are still in good mechanical condition.

Suspension — 5.7% of failures

Suspension issues account for 5.7% of MOT failures on 1982 Mercedes 300 G Wagon models. Suspension failures typically involve worn bushes, leaking shock absorbers, broken coil springs, and damaged suspension arms. These affect ride quality, tyre wear, and road holding. Typical repair costs: £200–500. Pre-MOT check: Look for uneven tyre wear, listen for clunking over bumps, and check if the car pulls to one side. A bouncy ride suggests worn shock absorbers. Visually inspect coil springs for cracks.

Body, chassis, structure — 1.9% of failures

Body, chassis, structure issues account for 1.9% of MOT failures on 1982 Mercedes 300 G Wagon models. Body and structure failures include excessive corrosion, sharp edges, loose panels, and damage to the vehicle frame. Rust is the primary concern, especially on older vehicles or those exposed to road salt. Typical repair costs: £100–500+. Pre-MOT check: Inspect sills, wheel arches, door bottoms, and the chassis for rust. Surface rust is acceptable but structural corrosion or holes will fail. Check that all doors, bonnet, and boot close securely.

Seat belts and supplementary restraint systems — 1.9% of failures

Seat belts and supplementary restraint systems issues account for 1.9% of MOT failures on 1982 Mercedes 300 G Wagon models. Seat belt failures include frayed or cut webbing, faulty retractors, buckles that don't latch properly, and missing or damaged anchorages. All fitted seat belts must be functional. Typical repair costs: £50–200 per belt. Pre-MOT check: Pull each seat belt fully out and check for fraying, cuts, or fading. Ensure each belt retracts smoothly and the buckle clicks securely. Check the pre-tensioner warning light on the dashboard.

Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.

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