Mercedes GLC 300 AMG Line Prem + 4M A (2019)
Estimated running costs and MOT pass rates from 458 MOT tests in 2024.
Annual Cost
£2,086
£174/month
MOT Pass Rate
94%
Excellent
Road Tax
£200
Standard rate/year
Est. Insurance
Grp 18-32
1991cc Petrol/gas
Great Choice
94% pass rate, £2,086/year to run. 12 points above average.
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Annual Running Costs
~36 mpg
Standard rate (from April 2017)
Low estimate due to excellent reliability
Estimates based on 7,400 miles/year (UK average), petrol at 174.57p a litre (GOV.UK weekly average, week of 19 October 2026), GOV.UK road tax rates and repair likelihood from MOT data. Insurance not included. Cars registered from April 2017 pay the £200 standard rate, plus £440 a year for five years (from the second year) if they cost over £40,000 new (over £50,000 for electric cars).
Reliability Verdict
Excellent reliability. Very few MOT failures. That's 12 points above the average of 82% across all models in our data. It also outperforms the Mercedes brand average of 87%.
94% of MOT tests on Mercedes GLC 300 AMG Line Prem + 4M As from 2019 ended in a pass in 2024, when they were about 5 years old. That's based on 458 tests across the UK, retests included. The average mileage recorded at those tests was 31,806 miles.
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How Does It Compare?
Mileage Analysis
31,806
Average miles
37,000
Expected for age
The average 2019 Mercedes GLC 300 AMG Line Prem + 4M A had 31,806 miles on the clock at its 2024 MOT, which is in line with the expected 37,000 miles for a 5-year-old car, suggesting normal everyday use.
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Best Year to Buy?
Of the years with at least 100 tests, the 2020 model has the highest MOT pass rate at 95%, while the 2019 model has the lowest at 94%. Consider a different year if reliability is a priority. Newer cars usually pass more often simply because they are younger, so compare years of a similar age.
Mercedes GLC 300 AMG Line Prem + 4M A by Year
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About the 2019 Mercedes GLC 300 AMG Line Prem + 4M A
The 2019 Mercedes GLC 300 AMG Line Prem + 4M A is a premium car. Our records list a 1991cc petrol/gas engine, though engines vary between versions. 458 MOT tests were recorded on this model in 2024, making it a less common model in the UK market. It ranks in the top 22% of all 2019 models for MOT pass rate.
With an average of 31,806 miles recorded at its 2024 MOT tests, Mercedes GLC 300 AMG Line Prem + 4M A owners drive about as much as the UK average.
2019 Mercedes GLC 300 AMG Line Prem + 4M A Fuel Costs
The 1991cc petrol/gas engine offers a reasonable balance between performance and economy. Expect around 36 mpg in mixed driving, which works out to roughly £1,631 per year with petrol at 174.57p per litre (GOV.UK weekly average, week of 19 October 2026; based on 7,400 miles per year). This is a petrol-price estimate; running on petrol/gas will change the cost.
What does it cost to own a 2019 Mercedes GLC 300 AMG Line Prem + 4M A?
Total estimated annual running cost is £2,086 (£174/month), broken down as £1,631 fuel, £200 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 94% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
Mercedes GLC 300 AMG Line Prem + 4M A Reliability Trend
The Mercedes GLC 300 AMG Line Prem + 4M A has maintained consistent MOT pass rates across model years, varying by only 1 percentage point.
Buying a Used 2019 Mercedes GLC 300 AMG Line Prem + 4M A
At 7 years old, this is a solid used buy if you find one with good service history. Depreciation has levelled off, so you won't lose much more value. Focus on condition over mileage.
Common Issues to Watch For
These are typical issues for cars of this age, fuel type and engine size, not faults recorded on this model's MOT tests. Use them as a checklist when you view one.
Suspension Wear
Medium riskShock absorbers, springs, and anti-roll bar links typically need attention around this age. Listen for clunks over bumps and check for uneven tyre wear.
Service History
Low riskAlways request a full service history. Regular servicing is the single best indicator of how well a car has been maintained, regardless of mileage.
Questions about the 2019 Mercedes GLC 300 AMG Line Prem + 4M A
Is the 2019 Mercedes GLC 300 AMG Line Prem + 4M A reliable?
Excellent reliability. Very few MOT failures. 94% of MOT tests on 2019 Mercedes GLC 300 AMG Line Prem + 4M As ended in a pass, from 458 tests (DVSA MOT data for tests in 2024, retests included). That's 12 points above the average of 82% across all models in the same data.
How much does a 2019 Mercedes GLC 300 AMG Line Prem + 4M A cost to run?
Our estimate is £2,086 a year (£174 a month): £1,631 fuel, £200 road tax, £55 MOT and £200 predicted repairs, based on 7,400 miles a year. Insurance is not included.
What is the MOT pass rate for a 2019 Mercedes GLC 300 AMG Line Prem + 4M A?
94% of 458 MOT tests on the 2019 Mercedes GLC 300 AMG Line Prem + 4M A ended in a pass (DVSA MOT data for tests in 2024, retests included). That ranks it 290th of 1,380 models first registered in 2019 (top 22%).
Which year Mercedes GLC 300 AMG Line Prem + 4M A has the best MOT pass rate?
Of the years with at least 100 tests, the 2020 Mercedes GLC 300 AMG Line Prem + 4M A has the highest MOT pass rate at 95% and the 2019 the lowest at 94%. Newer cars usually pass more often simply because they are younger and have done fewer miles.
What is the average mileage for a 2019 Mercedes GLC 300 AMG Line Prem + 4M A?
The average mileage recorded at MOT tests on the 2019 Mercedes GLC 300 AMG Line Prem + 4M A is 31,806 miles, which is in line with the expected 37,000 miles for a 5-year-old car, suggesting normal everyday use.
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