MERCEDES GLB 200 AMG LINE PREMIUM AUTO (2020)
Running costs, common problems, and reliability data based on 225 real MOT tests in 2024.
MOT Pass Rate
92%
Total Tests (2024)
225
Avg Mileage
33,621 mi
Est. Annual Cost
£1,582
Is the 2020 MERCEDES GLB 200 AMG LINE PREMIUM AUTO reliable?
Excellent reliability. Very few MOT failures. That's 10 points above the national average of 82%. It also outperforms the MERCEDES brand average of 87%.
At 4 years old, 92% of MERCEDES GLB 200 AMG LINE PREMIUM AUTOs from 2020 passed their MOT first time in 2024. That's based on 225 tests across the UK. The average mileage at this age is 33,621 miles.
How does the 2020 MERCEDES GLB 200 AMG LINE PREMIUM AUTO compare?
Mileage Analysis
The average 2020 MERCEDES GLB 200 AMG LINE PREMIUM AUTO has 33,621 miles on the clock, which is in line with the expected 29,600 miles for a 4-year-old car, suggesting normal everyday use.
Best year to buy a MERCEDES GLB 200 AMG LINE PREMIUM AUTO?
The most reliable year is the 2022 model with a 98% MOT pass rate, while the 2020 model has the lowest at 92%. Consider a different year if reliability is a priority.
How much does a 2020 MERCEDES GLB 200 AMG LINE PREMIUM AUTO cost to run?
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.
MERCEDES GLB 200 AMG LINE PREMIUM AUTO by Year
Checking a specific MERCEDES GLB 200 AMG LINE PREMIUM AUTO?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2020 MERCEDES GLB 200 AMG LINE PREMIUM AUTO
The 2020 MERCEDES GLB 200 AMG LINE PREMIUM AUTO is a small family car with a 1332cc petrol engine. 225 of these vehicles were MOT tested in 2024, making it a less common model in the UK market. Among all cars from 2020, the average MOT pass rate is 92%, and this model falls short of that benchmark.
With an average of 33,621 miles at 4 years old, MERCEDES GLB 200 AMG LINE PREMIUM AUTO owners drive about as much as the UK average.
2020 MERCEDES GLB 200 AMG LINE PREMIUM AUTO Fuel Costs
The 1332cc petrol engine offers a reasonable balance between performance and economy. Expect around 42 mpg in mixed driving, which works out to roughly £1,137 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).
What does it cost to own a 2020 MERCEDES GLB 200 AMG LINE PREMIUM AUTO?
Total estimated annual running cost is £1,582 (£132/month), broken down as £1137 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 92% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
MERCEDES GLB 200 AMG LINE PREMIUM AUTO Reliability Trend
Newer MERCEDES GLB 200 AMG LINE PREMIUM AUTOs show better MOT pass rates than older ones, with an average improvement of 5 percentage points.
Buying a Used 2020 MERCEDES GLB 200 AMG LINE PREMIUM AUTO
At 4 years old, the MERCEDES GLB 200 AMG LINE PREMIUM AUTO offers good value with plenty of life remaining. Most manufacturer warranties will have expired, so a pre-purchase inspection is worth the cost.
Alternatives to the 2020 MERCEDES GLB 200 AMG LINE PREMIUM AUTO
The MERCEDES GLB 200 AMG LINE PREMIUM AUTO is actually the most reliable option among similar petrol small family cars from this era. Here are comparable petrol cars with similar engines:
- FORD FIESTA (2018) 90% pass rate (-2%) from 157,746 tests
- VOLKSWAGEN GOLF (2019) 92% pass rate (same) from 89,653 tests
- VAUXHALL CORSA (2018) 85% pass rate (-7%) from 86,266 tests
- NISSAN QASHQAI (2018) 87% pass rate (-5%) from 78,522 tests