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Mercedes Cls 320 CDI Auto Reliability, MOT Pass Rate & Common Faults

Free Mercedes Cls 320 CDI Auto car check

Is the Mercedes Cls 320 CDI Auto reliable? We analysed 1,920 real MOT tests across 317 vehicles to find out.

Got a specific Mercedes Cls 320 CDI Auto? Enter the reg for a free check:

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Data last updated: · Based on 1,920 real MOT tests
MOT Pass Rate
72.0%
Typical Mileage
121,231mi
Annual Mileage
5,602mi/yr
Est. Lifespan
yrs

The Mercedes Cls 320 CDI Auto is about average for reliability based on real UK MOT data. Here's everything you need to know before buying a used Mercedes Cls 320 CDI Auto.

Mercedes Cls 320 CDI Auto Number Plates

Number plates registered to a Mercedes Cls 320 CDI Auto. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.

Mercedes Cls 320 CDI Auto Problems — What Goes Wrong?

The most common reasons a Mercedes Cls 320 CDI Auto fails its MOT, ranked by how often they occur. Check for these problems before you buy.

Tyre has a cut in excess of the requirements deep enough to reach the ply or cords 1

Mercedes Cls 320 CDI Auto Mileage — What's Normal?

How many miles does a typical Mercedes Cls 320 CDI Auto owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.

Low usage
3,303 mi/yr
Typical
5,602 mi/yr
Average
6,866 mi/yr
Heavy usage
8,820 mi/yr

Mercedes Cls 320 CDI Auto Mileage Distribution

Total mileage recorded across all Mercedes Cls 320 CDI Auto MOT tests. If the car you're looking at is above the 75th percentile, it's done more miles than most.

Median
121,231 mi
75th Percentile
149,373 mi
95th Percentile
205,435 mi
Max Recorded
2,091,128 mi

How Does the Mercedes Cls 320 CDI Auto Compare?

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

Model Pass Rate Tests Typical Mileage Lifespan
Mercedes Cls 320 CDI Auto THIS CAR 72.0% 1,920 121,231 mi — yrs
Mercedes Motorhome 76.7% 14,848 66,873 mi 45 yrs
Mercedes Unknown 79.2% 11,881 102,484 mi 39 yrs
Mercedes Camper 74.6% 8,342 82,260 mi 47 yrs
Skoda Superb SE L TSI 89.7% 1,217 31,685 mi — yrs

Compared to the Mercedes Motorhome (76.7% pass rate) and the Mercedes Unknown (79.2% pass rate), the Mercedes Cls 320 CDI Auto trails behind on MOT reliability.

Found a Mercedes Cls 320 CDI Auto you like?

Run a full vehicle history check on the specific car. See finance, stolen, write-off, mileage and MOT data for that exact vehicle.

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Should you buy a used Mercedes Cls 320 CDI Auto?

The Mercedes Cls 320 CDI Auto has an overall MOT pass rate of 72.0% across 1,920 real MOT tests — roughly in line with the UK average.

The most common failure point is tyre has a cut in excess of the requirements deep enough to reach the ply or cords with 1 recorded occurrences. Check for this on any test drive or pre-purchase inspection.

A typical Mercedes Cls 320 CDI Auto owner drives around 5,602 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.

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 Cls 320 CDI Auto — Frequently Asked Questions

Is the Mercedes Cls 320 CDI Auto reliable?
Based on 1,920 MOT tests, the Mercedes Cls 320 CDI Auto has a 72.0% pass rate — about average for UK cars.
What are the common problems on a Mercedes Cls 320 CDI Auto?
The most common failure point is tyre has a cut in excess of the requirements deep enough to reach the ply or cords.
How many miles does a Mercedes Cls 320 CDI Auto do per year?
The typical Mercedes Cls 320 CDI Auto does around 5,602 miles per year. Anything significantly above or below this is worth investigating.
How long does a Mercedes Cls 320 CDI Auto last?
Lifespan data is not yet available for this model.
Should I get a vehicle check before buying a Mercedes Cls 320 CDI Auto?
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.