MERCEDES AMG GLB 35 PREMIUM 4MATIC AUTO (2021)
Running costs, common problems, and reliability data based on 72 real MOT tests in 2024.
MOT Pass Rate
100%
Total Tests (2024)
72
Avg Mileage
31,551 mi
Est. Annual Cost
£1,772
Is the 2021 MERCEDES AMG GLB 35 PREMIUM 4MATIC AUTO reliable?
Excellent reliability. Very few MOT failures. That's 18 points above the national average of 82%. It also outperforms the MERCEDES brand average of 87%.
At 3 years old, 100% of MERCEDES AMG GLB 35 PREMIUM 4MATIC AUTOs from 2021 passed their MOT first time in 2024. That's based on 72 tests across the UK. The average mileage at this age is 31,551 miles.
How does the 2021 MERCEDES AMG GLB 35 PREMIUM 4MATIC AUTO compare?
Mileage Analysis
The average 2021 MERCEDES AMG GLB 35 PREMIUM 4MATIC AUTO has 31,551 miles on the clock, which is above the expected 22,200 miles for a 3-year-old car. Higher-mileage cars often have more motorway miles, which is generally less harmful than stop-start urban driving.
How much does a 2021 MERCEDES AMG GLB 35 PREMIUM 4MATIC 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 AMG GLB 35 PREMIUM 4MATIC AUTO by Year
Checking a specific MERCEDES AMG GLB 35 PREMIUM 4MATIC AUTO?
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About the 2021 MERCEDES AMG GLB 35 PREMIUM 4MATIC AUTO
The 2021 MERCEDES AMG GLB 35 PREMIUM 4MATIC AUTO is a family car with a 1991cc petrol engine. 72 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It ranks in the top 1% of all 2021 cars for reliability.
With an average of 31,551 miles at 3 years old, MERCEDES AMG GLB 35 PREMIUM 4MATIC AUTO owners cover more miles than the average driver.
2021 MERCEDES AMG GLB 35 PREMIUM 4MATIC AUTO Fuel Costs
The 1991cc petrol engine offers a reasonable balance between performance and economy. Expect around 36 mpg in mixed driving, which works out to roughly £1,327 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).
What does it cost to own a 2021 MERCEDES AMG GLB 35 PREMIUM 4MATIC AUTO?
Total estimated annual running cost is £1,772 (£148/month), broken down as £1327 fuel, £190 road tax, £55 MOT, and £200 predicted repairs. The low repair estimate reflects the excellent 100% pass rate. These cars rarely fail their MOT, so unexpected bills are less likely.
Buying a Used 2021 MERCEDES AMG GLB 35 PREMIUM 4MATIC AUTO
At 3 years old, this is still relatively fresh. You may find examples with remaining manufacturer warranty. Depreciation is slowing but hasn't bottomed out yet. Note: with only 72 tests in our data, these figures should be treated as indicative rather than definitive.
Alternatives to the 2021 MERCEDES AMG GLB 35 PREMIUM 4MATIC AUTO
The MERCEDES AMG GLB 35 PREMIUM 4MATIC AUTO is actually the most reliable option among similar petrol family cars from this era. Here are comparable petrol cars with similar engines:
- VOLKSWAGEN GOLF (2019) 92% pass rate (-8%) from 89,653 tests
- NISSAN QASHQAI (2020) 93% pass rate (-7%) from 52,321 tests
- MINI COOPER (2019) 92% pass rate (-8%) from 52,140 tests
- HYUNDAI TUCSON (2019) 90% pass rate (-10%) from 42,920 tests