MERCEDES GLB 220 AMG LINE PREM D 4M A (2020)
Running costs, common problems, and reliability data based on 3,013 real MOT tests in 2024.
MOT Pass Rate
92%
Total Tests (2024)
3,013
Avg Mileage
34,333 mi
Est. Annual Cost
£1,482
Is the 2020 MERCEDES GLB 220 AMG LINE PREM D 4M A 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 220 AMG LINE PREM D 4M As from 2020 passed their MOT first time in 2024. That's based on 3,013 tests across the UK. The average mileage at this age is 34,333 miles.
How does the 2020 MERCEDES GLB 220 AMG LINE PREM D 4M A compare?
Mileage Analysis
The average 2020 MERCEDES GLB 220 AMG LINE PREM D 4M A has 34,333 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 220 AMG LINE PREM D 4M A?
The most reliable year is the 2022 model with a 100% 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 220 AMG LINE PREM D 4M A 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 220 AMG LINE PREM D 4M A by Year
Checking a specific MERCEDES GLB 220 AMG LINE PREM D 4M A?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 2020 MERCEDES GLB 220 AMG LINE PREM D 4M A
The 2020 MERCEDES GLB 220 AMG LINE PREM D 4M A is a family car with a 1950cc diesel engine. 3,013 of these vehicles were MOT tested in 2024, making it a reasonably common sight on UK roads. Among all cars from 2020, the average MOT pass rate is 92%, and this model falls short of that benchmark.
With an average of 34,333 miles at 4 years old, MERCEDES GLB 220 AMG LINE PREM D 4M A owners drive about as much as the UK average.
2020 MERCEDES GLB 220 AMG LINE PREM D 4M A Fuel Costs
The 1950cc diesel engine offers a reasonable balance between performance and economy. Expect around 48 mpg in mixed driving, which works out to roughly £1,037 per year at current diesel prices of 148p per litre (based on 7,400 miles per year).
What does it cost to own a 2020 MERCEDES GLB 220 AMG LINE PREM D 4M A?
Total estimated annual running cost is £1,482 (£124/month), broken down as £1037 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 220 AMG LINE PREM D 4M A Reliability Trend
Newer MERCEDES GLB 220 AMG LINE PREM D 4M As show better MOT pass rates than older ones, with an average improvement of 5 percentage points.
Buying a Used 2020 MERCEDES GLB 220 AMG LINE PREM D 4M A
At 4 years old, the MERCEDES GLB 220 AMG LINE PREM D 4M A 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 220 AMG LINE PREM D 4M A
The MERCEDES GLB 220 AMG LINE PREM D 4M A is actually the most reliable option among similar diesel family cars from this era. Here are comparable diesel cars with similar engines:
- VOLKSWAGEN GOLF (2018) 92% pass rate (same) from 111,972 tests
- FORD FOCUS (2019) 89% pass rate (-3%) from 93,803 tests
- MERCEDES A (2019) 91% pass rate (-1%) from 89,588 tests
- MERCEDES A-CLASS (2018) 89% pass rate (-3%) from 81,134 tests