Common Mercedes Glc 300 Amg Line Prem + 4m A Problems, Faults, and Repair Costs
Every known Mercedes Glc 300 Amg Line Prem + 4m A MOT issue, ranked by how common it is and what it costs to fix. Based on 2,027 real MOT tests across 3 model years.
Segment: family car | Fuel: Hybrid, GB
95%
Mercedes Glc 300 Amg Line Prem + 4m A pass rate
87%
Mercedes average
82%
National average
The Mercedes Glc 300 Amg Line Prem + 4m A has an average MOT pass rate of 95%, which is 8 points above the Mercedes average and 13 points above the national average. The MERCEDES GLC 300 AMG LINE PREM + 4M A has maintained consistent MOT pass rates across model years, varying by only 1 percentage points.
Check Your Mercedes Glc 300 Amg Line Prem + 4m A's MOT History
Enter your reg plate to see the specific issues found on your car, plus a health score and running cost estimate.
Most Common Mercedes Glc 300 Amg Line Prem + 4m A MOT Issues
Ranked by how likely they are to affect your Mercedes Glc 300 Amg Line Prem + 4m A, with typical repair costs
Brakes
Moderate 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
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
Lights
Moderate 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
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
Exhaust & Emissions
Moderate 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
Steering
Lower 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
Is your specific car affected?
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Mercedes Glc 300 Amg Line Prem + 4m A Reliability by Year
MOT pass rate for each model year, based on real test data
Most Reliable Year
2020
95% pass rate from 1,013 tests
View 2020 Mercedes Glc 300 Amg Line Prem + 4m A detailsLeast Reliable Year
2019
94% pass rate from 458 tests
View 2019 Mercedes Glc 300 Amg Line Prem + 4m A detailsMercedes Glc 300 Amg Line Prem + 4m A Running Costs
Want to know the full annual running costs for the Mercedes Glc 300 Amg Line Prem + 4m A? Including fuel, tax, insurance, and predicted repairs based on MOT history.
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Mercedes Glc 300 Amg Line Prem + 4m A FAQ
What are the most common Mercedes Glc 300 Amg Line Prem + 4m A problems?
The most common Mercedes Glc 300 Amg Line Prem + 4m A MOT problems are issues. These are the areas most likely to cause advisories or failures during an MOT test, based on 2,027 real tests.
Is the Mercedes Glc 300 Amg Line Prem + 4m A reliable?
The Mercedes Glc 300 Amg Line Prem + 4m A has an average MOT pass rate of 95%, which is 13 points above the national average of 82%. This is considered good reliability.
Which year Mercedes Glc 300 Amg Line Prem + 4m A is most reliable?
The 2020 Mercedes Glc 300 Amg Line Prem + 4m A is the most reliable year with a 95% MOT pass rate. Avoid the 2019 model year if reliability is your priority, as it has the lowest pass rate at 94%.
How much does it cost to fix common Mercedes Glc 300 Amg Line Prem + 4m A faults?
Repair costs vary by issue. Brake work on a Mercedes Glc 300 Amg Line Prem + 4m A typically costs £80-£450, suspension repairs cost £150-£600, and exhaust/emissions fixes cost £80-£800. Lighting and wiper fixes are usually under £200.
Check a Specific Mercedes Glc 300 Amg Line Prem + 4m A
Enter any reg plate to see the exact MOT history, defects found, health score, and running cost estimate for that specific car.
Other Mercedes Models
Common problems pages for other Mercedes models