Common Mercedes Glc 300 Sport 4matic Auto Problems, Faults, and Repair Costs
Every known Mercedes Glc 300 Sport 4matic Auto MOT issue, ranked by how common it is and what it costs to fix. Based on 1,305 real MOT tests across 2 model years.
Segment: family car | Fuel: Hybrid
93%
Mercedes Glc 300 Sport 4matic Auto pass rate
87%
Mercedes average
82%
National average
The Mercedes Glc 300 Sport 4matic Auto has an average MOT pass rate of 93%, which is 6 points above the Mercedes average and 11 points above the national average.
Check Your Mercedes Glc 300 Sport 4matic Auto'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 Sport 4matic Auto MOT Issues
Ranked by how likely they are to affect your Mercedes Glc 300 Sport 4matic Auto, with typical 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
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
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
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
Is your specific car affected?
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Mercedes Glc 300 Sport 4matic Auto Reliability by Year
MOT pass rate for each model year, based on real test data
Most Reliable Year
2020
94% pass rate from 909 tests
View 2020 Mercedes Glc 300 Sport 4matic Auto detailsLeast Reliable Year
2019
92% pass rate from 396 tests
View 2019 Mercedes Glc 300 Sport 4matic Auto detailsMercedes Glc 300 Sport 4matic Auto Running Costs
Want to know the full annual running costs for the Mercedes Glc 300 Sport 4matic Auto? Including fuel, tax, insurance, and predicted repairs based on MOT history.
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Mercedes Glc 300 Sport 4matic Auto FAQ
What are the most common Mercedes Glc 300 Sport 4matic Auto problems?
The most common Mercedes Glc 300 Sport 4matic Auto MOT problems are brakes, lights issues. These are the areas most likely to cause advisories or failures during an MOT test, based on 1,305 real tests.
Is the Mercedes Glc 300 Sport 4matic Auto reliable?
The Mercedes Glc 300 Sport 4matic Auto has an average MOT pass rate of 93%, which is 11 points above the national average of 82%. This is considered good reliability.
Which year Mercedes Glc 300 Sport 4matic Auto is most reliable?
The 2020 Mercedes Glc 300 Sport 4matic Auto is the most reliable year with a 94% MOT pass rate. Avoid the 2019 model year if reliability is your priority, as it has the lowest pass rate at 92%.
How much does it cost to fix common Mercedes Glc 300 Sport 4matic Auto faults?
Repair costs vary by issue. Brake work on a Mercedes Glc 300 Sport 4matic Auto 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 Sport 4matic Auto
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