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Mercedes-benz C 300 AMG Line Prem + MHEV A Reliability, MOT Pass Rate & Common Faults

Free Mercedes-benz C 300 AMG Line Prem + MHEV A car check

Is the Mercedes-benz C 300 AMG Line Prem + MHEV A reliable? We analysed 537 real MOT tests across 397 vehicles to find out.

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Data last updated: · Based on 537 real MOT tests
MOT Pass Rate
89.0%
Typical Mileage
20,274mi
Annual Mileage
7,186mi/yr
Est. Lifespan
yrs

The Mercedes-benz C 300 AMG Line Prem + MHEV A is above average for reliability based on real UK MOT data. Here's everything you need to know before buying a used Mercedes-benz C 300 AMG Line Prem + MHEV A.

Mercedes-benz C 300 AMG Line Prem + MHEV A Number Plates

Number plates registered to a Mercedes-benz C 300 AMG Line Prem + MHEV A. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.

Mercedes-benz C 300 AMG Line Prem + MHEV A MOT Pass Rate by Year

How likely is a Mercedes-benz C 300 AMG Line Prem + MHEV A to pass its MOT? Here's the pass rate for each registration year, newest first.

88.4%
2023
89%
2022

Mercedes-benz C 300 AMG Line Prem + MHEV A Common Faults & Problems

These are the most common serious faults found on Mercedes-benz C 300 AMG Line Prem + MHEV A models during MOT testing — flagged as dangerous or major failures that need immediate attention.

Tyre tread depth below requirements of 1.6mm 4
Tyre has a bulge, caused by separation or partial failure of its structure 3
Tyre has ply or cords exposed 2
Tyre has ply or cords exposed 2

Mercedes-benz C 300 AMG Line Prem + MHEV A Mileage — What's Normal?

How many miles does a typical Mercedes-benz C 300 AMG Line Prem + MHEV A owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.

Low usage
3,935 mi/yr
Typical
7,186 mi/yr
Average
7,665 mi/yr
Heavy usage
9,340 mi/yr

Mercedes-benz C 300 AMG Line Prem + MHEV A MOT Data by Registration Year

Full breakdown of pass rate and mileage for each year. Use this to compare the Mercedes-benz C 300 AMG Line Prem + MHEV A year you're looking at.

Year Tests Pass Rate Low Mi. Typical Mi. High Mi.
2023 112 88.4% 13,750 21,068 30,087
2022 409 89.0% 13,992 19,571 28,861

How Long Does a Mercedes-benz C 300 AMG Line Prem + MHEV A Last?

Based on 397 Mercedes-benz C 300 AMG Line Prem + MHEV A vehicles on UK roads.

Average
2.4 years
Median
2.0 years

Mercedes-benz C 300 AMG Line Prem + MHEV A Mileage Distribution

Total mileage recorded across all Mercedes-benz C 300 AMG Line Prem + MHEV A MOT tests. If the car you're looking at is above the 75th percentile, it's done more miles than most.

Median
20,274 mi
75th Percentile
29,174 mi
95th Percentile
45,220 mi
Max Recorded
79,475 mi

Best Year to Buy a Used Mercedes-benz C 300 AMG Line Prem + MHEV A

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

Best year
2022

89.0% MOT pass rate from 409 tests

Year to avoid
2023

88.4% MOT pass rate from 112 tests

The best year to buy a used Mercedes-benz C 300 AMG Line Prem + MHEV A is 2022, which has the highest MOT pass rate at 89.0% across 409 tests. The 2023 model year has the lowest pass rate at 88.4% — 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 C 300 AMG Line Prem + MHEV A Compare?

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

Model Pass Rate Tests Typical Mileage Lifespan
Mercedes-benz C 300 AMG Line Prem + MHEV A THIS CAR 89.0% 537 20,274 mi — 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
Porsche Macan S-a 98.3% 289 37,662 mi — yrs

Compared to the Mercedes-benz C (77.6% pass rate) and the Mercedes-benz E (79.4% pass rate), the Mercedes-benz C 300 AMG Line Prem + MHEV A outperforms both on MOT reliability.

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Should you buy a used Mercedes-benz C 300 AMG Line Prem + MHEV A?

The Mercedes-benz C 300 AMG Line Prem + MHEV A has an overall MOT pass rate of 89.0% across 537 real MOT tests — comfortably above the UK average, which puts it among the more reliable models on UK roads.

On the safety side, the most frequently flagged dangerous fault is tyre tread depth below requirements of 1.6mm. Dangerous faults cause an immediate MOT failure and mean the vehicle is not roadworthy until repaired. If you're viewing a Mercedes-benz C 300 AMG Line Prem + MHEV A with an expired or recently passed MOT, ask the seller whether any dangerous faults were found and fixed during the last test.

A typical Mercedes-benz C 300 AMG Line Prem + MHEV A owner drives around 7,186 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-benz C 300 AMG Line Prem + MHEV A — Frequently Asked Questions

Is the Mercedes-benz C 300 AMG Line Prem + MHEV A reliable?
Based on 537 MOT tests, the Mercedes-benz C 300 AMG Line Prem + MHEV A has a 89.0% pass rate — above the UK average, suggesting good reliability.
What are the common problems on a Mercedes-benz C 300 AMG Line Prem + MHEV A?
The most common failure point is general wear and tear.
How many miles does a Mercedes-benz C 300 AMG Line Prem + MHEV A do per year?
The typical Mercedes-benz C 300 AMG Line Prem + MHEV A does around 7,186 miles per year. Anything significantly above or below this is worth investigating.
How long does a Mercedes-benz C 300 AMG Line Prem + MHEV A last?
Lifespan data is not yet available for this model.
Should I get a vehicle check before buying a Mercedes-benz C 300 AMG Line Prem + MHEV A?
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 C 300 AMG Line Prem + MHEV A?
Based on MOT pass rates, the best year to buy a used Mercedes-benz C 300 AMG Line Prem + MHEV A is 2022 with a 89.0% pass rate across 409 tests.