Common Mercedes C 300 AMG Line Ed Prem D A Problems, Faults, and Repair Costs
Typical MOT issues to check on the Mercedes C 300 AMG Line Ed Prem D A, with rough repair costs, and its MOT pass rate for each model year. Based on 1,709 MOT tests across 3 model years (DVSA data for tests carried out in 2024, retests included).
Segment: premium | Fuel: Diesel
92%
Mercedes C 300 AMG Line Ed Prem D A pass rate
87%
Mercedes average
82%
All-model average
The Mercedes C 300 AMG Line Ed Prem D A has an average MOT pass rate of 92%, which is 5 points above the Mercedes average and 10 points above the average across all models in our data. The Mercedes C 300 AMG Line Ed Prem D A has maintained consistent MOT pass rates across model years, varying by only 2 percentage points.
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Common MOT Issues to Check on the Mercedes C 300 AMG Line Ed Prem D A
Typical issues for a car of this age and type, estimated from its age, fuel type and engine size (not counted from its MOT records), with rough repair costs
Brakes
High likelihood£80 - £450
Typical repair cost
Common advisories:
Brake discs worn, brake pads thin, handbrake adjustment needed
Failure points:
Brake disc excessively worn, brake pipe corroded, brake efficiency below minimum
Lights
High likelihood£15 - £200
Typical repair cost
Common advisories:
Headlamp aim slightly out, lens deteriorated
Failure points:
Headlamp not working, brake light not functioning, indicator failure
Exhaust & Emissions
High likelihood£80 - £800
Typical repair cost
Common advisories:
Exhaust mounting corroded, slight exhaust leak
Failure points:
Exhaust emissions exceed limits, catalytic converter efficiency low, DPF warning
Suspension
Moderate likelihood£150 - £600
Typical repair cost
Common advisories:
Suspension arm bush worn, shock absorber misting, spring corroded
Failure points:
Coil spring broken, ball joint excessive play, shock absorber leaking
Tyres
Moderate likelihood£50 - £300
Typical repair cost
Common advisories:
Tyre approaching legal limit, slight damage to sidewall
Failure points:
Tyre below minimum tread depth, tyre has a cut exposing ply
Steering
Moderate likelihood£100 - £500
Typical repair cost
Common advisories:
Track rod end has slight play, steering rack boot deteriorated
Failure points:
Steering rack leaking, track rod ball joint worn beyond limits
Body & Structure
Lower likelihood£200 - £1200
Typical repair cost
Common advisories:
Surface corrosion on subframe, slight body panel damage
Failure points:
Structural corrosion, body mounting corroded through, chassis weakness
Windscreen & Wipers
Lower likelihood£10 - £350
Typical repair cost
Common advisories:
Minor windscreen chip, wiper blade deteriorated
Failure points:
Windscreen crack in swept area, wiper does not clear windscreen
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Mercedes C 300 AMG Line Ed Prem D A Reliability by Year
MOT pass rate for each model year, from DVSA data for tests carried out in 2024 (retests included). Newer cars usually pass more often simply because they are younger. Highest and lowest are marked among years with 100+ tests that were at least three years old when tested. Fuel and engine size are a guide only.
Highest Pass Rate
2020
92% pass rate from 1,262 tests
Level with 2021
View 2020 Mercedes C 300 AMG Line Ed Prem D A detailsLowest Pass Rate
2019
90% pass rate from 201 tests
View 2019 Mercedes C 300 AMG Line Ed Prem D A detailsMercedes C 300 AMG Line Ed Prem D A Running Costs
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Find garages →Mercedes C 300 AMG Line Ed Prem D A FAQ
What are the most common Mercedes C 300 AMG Line Ed Prem D A problems?
Typical issues to check on a Mercedes C 300 AMG Line Ed Prem D A of this age and type are brakes, lights and exhaust & emissions. These are estimated from its age, fuel type and engine size, not counted from its MOT records. Across 1,709 MOT tests (DVSA MOT data for tests in 2024, retests included), 92% ended in a pass.
Is the Mercedes C 300 AMG Line Ed Prem D A reliable?
The Mercedes C 300 AMG Line Ed Prem D A has an average MOT pass rate of 92%, from 1,709 MOT tests. That is 10 points above the average across all models in our data (82%), a better than average result. Pass rates fall as cars age, so compare it with cars of a similar age.
Which year Mercedes C 300 AMG Line Ed Prem D A is the most reliable?
Of the years with at least 100 tests that were old enough for a routine MOT, the 2020 Mercedes C 300 AMG Line Ed Prem D A has the highest MOT pass rate: 92% of its 1,262 tests ended in a pass. The 2021 is level on 92%. The 2019 has the lowest at 90%. Newer cars usually pass more often simply because they are younger, so the pass rate is only part of the picture.
How much does it cost to fix common Mercedes C 300 AMG Line Ed Prem D A faults?
As a rough guide, brake work on a Mercedes C 300 AMG Line Ed Prem D A typically costs £80-£450 and suspension repairs £150-£600, while exhaust and emissions fixes can cost £80-£800. Lighting and wiper fixes are usually under £200.
Check a Specific Mercedes C 300 AMG Line Ed Prem D A
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Other Mercedes Models
Common problems pages for other Mercedes models