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

Free Mercedes-benz C 300 AMG Line MHEV Auto car check

Is the Mercedes-benz C 300 AMG Line MHEV Auto reliable? We analysed 260 real MOT tests across 190 vehicles to find out.

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Data last updated: · Based on 260 real MOT tests
MOT Pass Rate
89.2%
Typical Mileage
24,198mi
Annual Mileage
mi/yr
Est. Lifespan
yrs

The Mercedes-benz C 300 AMG Line MHEV Auto 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 MHEV Auto.

Mercedes-benz C 300 AMG Line MHEV Auto Number Plates

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

Mercedes-benz C 300 AMG Line MHEV Auto MOT Pass Rate by Year

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

89.4%
2023
89.3%
2022

Mercedes-benz C 300 AMG Line MHEV Auto Common Faults & Problems

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

Tyre tread depth below requirements of 1.6mm 6
Tyre has ply or cords exposed 3
Tyre has ply or cords exposed 3
Brake pad(s) less than 1.5 mm thick 2
Tyre has a tear, caused by separation or partial failure of its structure 1
Tyre has a tear, caused by separation or partial failure of its structure 1
Tyre has a bulge, caused by separation or partial failure of its structure 1

Mercedes-benz C 300 AMG Line MHEV Auto 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 MHEV Auto year you're looking at.

Year Tests Pass Rate Low Mi. Typical Mi. High Mi.
2023 85 89.4% 16,820 21,671 30,841
2022 169 89.3% 18,507 25,167 32,313

How Long Does a Mercedes-benz C 300 AMG Line MHEV Auto Last?

Based on 190 Mercedes-benz C 300 AMG Line MHEV Auto vehicles on UK roads.

Average
2.3 years
Median
2.0 years

Mercedes-benz C 300 AMG Line MHEV Auto Mileage Distribution

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

Median
24,198 mi
75th Percentile
31,762 mi
95th Percentile
46,174 mi
Max Recorded
107,478 mi

Best Year to Buy a Used Mercedes-benz C 300 AMG Line MHEV Auto

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

Best year
2023

89.4% MOT pass rate from 85 tests

Year to avoid
2022

89.3% MOT pass rate from 169 tests

The best year to buy a used Mercedes-benz C 300 AMG Line MHEV Auto is 2023, which has the highest MOT pass rate at 89.4% across 85 tests. The 2022 model year has the lowest pass rate at 89.3% — 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 MHEV Auto 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 MHEV Auto THIS CAR 89.2% 260 24,198 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
Renault Megane Dynamique S Nav DCI 91.2% 399 52,981 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 MHEV Auto outperforms both on MOT reliability.

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Should you buy a used Mercedes-benz C 300 AMG Line MHEV Auto?

The Mercedes-benz C 300 AMG Line MHEV Auto has an overall MOT pass rate of 89.2% across 260 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 MHEV Auto with an expired or recently passed MOT, ask the seller whether any dangerous faults were found and fixed during the last test.

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 MHEV Auto — Frequently Asked Questions

Is the Mercedes-benz C 300 AMG Line MHEV Auto reliable?
Based on 260 MOT tests, the Mercedes-benz C 300 AMG Line MHEV Auto has a 89.2% pass rate — above the UK average, suggesting good reliability.
What are the common problems on a Mercedes-benz C 300 AMG Line MHEV Auto?
The most common failure point is general wear and tear.
How many miles does a Mercedes-benz C 300 AMG Line MHEV Auto do per year?
Mileage data is not yet available for this model.
How long does a Mercedes-benz C 300 AMG Line MHEV Auto 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 MHEV 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.
What is the best year to buy a Mercedes-benz C 300 AMG Line MHEV Auto?
Based on MOT pass rates, the best year to buy a used Mercedes-benz C 300 AMG Line MHEV Auto is 2023 with a 89.4% pass rate across 85 tests.