How reliable is the Mercedes Benz B-Class?
Owner-reported reliability data: inspection results, typical mileage, and the most common failures.
The Mercedes Benz B-Class passes first-time inspections at roughly the European average. The most commonly reported issues are a suspension joint dust cover missing or no longer prevents the ingress of dirt etc, a rear registration plate lamp or light source missing or inoperative in the case of a single lamp or all lamps, a spring or spring component fractured or seriously weakened. Typical mileage by age and a year-by-year breakdown of reliability are shown below. All figures are owner-reported real-world data, not a marketing rating.
Above average reliability
Based on 21,097 inspection tests. First-time pass rate: 80.1%.
Mercedes Benz B-Class reliability by year
How the Mercedes Benz B-Class performs at first-time inspection, broken down by the year cohort. Empty cells mean we don't have enough owner-reported data for that year yet.
| Year cohort | Pass rate | Typical mileage @ 5 yrs |
|---|---|---|
| 2005 | 63.7% | – |
| 2006 | 63.8% | – |
| 2007 | 64.3% | – |
| 2008 | 63.1% | – |
| 2009 | 66% | – |
| 2010 | 66.7% | – |
| 2011 | 66.7% | – |
| 2012 | 76.1% | – |
| 2013 | 78.3% | – |
| 2014 | 80.1% | – |
| 2015 | 83.6% | – |
| 2016 | 85.5% | – |
| 2017 | 86.9% | 60,464 km |
| 2018 | 89.3% | 50,310 km |
| 2019 | 92.7% | 46,071 km |
Model-level pattern, not per-car prediction
These figures describe the Mercedes Benz B-Class as a model. The reliability of any individual Mercedes Benz B-Class also depends on service history, accident history, and how it was driven. Run a free VIN check to see the records attached to a specific car you're considering.
Frequently asked questions
Is the Mercedes Benz B-Class reliable?
Based on owner-reported inspection records, the Mercedes Benz B-Class passes first-time inspections at roughly the European average. Its first-time inspection pass rate sits around 80%. Reliability varies by year and engine: see the year-by-year breakdown on this page for the specific cohort you're considering.
What are the common problems on the Mercedes Benz B-Class?
The most common owner-reported issues are: A suspension joint dust cover missing or no longer prevents the ingress of dirt etc (1.9% of inspections); A rear registration plate lamp or light source missing or inoperative in the case of a single lamp or all lamps (1.6% of inspections); A spring or spring component fractured or seriously weakened (1.5% of inspections); A tyre seriously damaged (1.1% of inspections); Tyre tread depth not in accordance with the requirements (1% of inspections).
What mileage is normal for a Mercedes Benz B-Class?
For a typical Mercedes Benz B-Class, owner-reported average mileage works out to about – at 3 years, – at 5 years, and 113,864 km at 10 years. The mileage section on this page shows the full distribution, high-use vs low-use cars often differ by a factor of three.
How do I check a specific Mercedes Benz B-Class before buying?
Enter the 17-character VIN on Carlytics. The free check shows decoded specs and open safety recalls. The full vehicle history report (from EUR 8.90) cross-references owner-reported issues, mileage records, and stolen-vehicle databases for the specific car, model-level reliability tells you the pattern, the VIN check tells you the car.