What is Mercedes B CLASS Lifespan?

The estimated lifespan of a Mercedes B CLASS is 168,000 miles, before reaching the life expectancy upper limit. Factors such as ULEZ compliance and BHP are major factors when looking into a vehicle's lifespan.

We calculated all of the below figures by getting average mileage from scrapped vehicles of this exact make, model, year and fuel type. We then get an accurate sum by taking into account deviations such as insurance write-offs.

Also check reliability ratings for the Mercedes B CLASS.

Mercedes B CLASS (example)

Check a Mercedes B Class before you buy

Enter your registration to see available vehicle history information including service records, MOT, mileage, write-off status, outstanding finance and more.

Service history
Dealer & service records
MOT records
Past & current MOT data
Write-off check
Check for insurance write-offs
Finance check
Outstanding finance & theft checks

Why is Lifespan Important?

When it comes to choosing a Mercedes B CLASS, it's essential to think beyond the exterior and engine. Understanding a vehicle's recall history and expected lifespan plays a crucial role in making a wise decision.

Benefits of Understanding Vehicle Lifespan

Saving Money: Choosing a car that lasts longer means more value for your money and fewer unexpected expenses.
Environmental Impact: A longer-lasting vehicle means fewer resources used in manufacturing replacements.
Reliability: Understanding typical lifespans helps you plan maintenance and avoid breakdown surprises.
Resale Value: Models known for longevity typically retain better resale values.

Important Note

Please note these lifespan averages are guidelines, and factors like emissions and outstanding finance can affect a vehicle's roadworthiness before or after the estimated mileage. Always get a full vehicle check before purchasing.

Mercedes B CLASS Lifespan by Year & Fuel Type

Fuel Type	Year	Est. Lifespan	Avg Mileage (Scrapped)	Sample Size
Petrol	2018	168,190 miles	105,119 miles	501 vehicles
Diesel	2018	129,888 miles	81,180 miles	2,462 vehicles
Petrol	2015	155,933 miles	97,458 miles	629 vehicles
Diesel	2015	125,920 miles	78,700 miles	3,527 vehicles
Diesel	2014	134,768 miles	84,230 miles	4,846 vehicles
Petrol	2014	112,749 miles	70,468 miles	647 vehicles
Petrol	2013	106,312 miles	66,445 miles	1,057 vehicles
Diesel	2012	131,282 miles	82,051 miles	4,873 vehicles
Petrol	2011	116,666 miles	72,916 miles	906 vehicles
Diesel	2010	123,819 miles	77,387 miles	1,811 vehicles
Petrol	2009	135,046 miles	84,404 miles	825 vehicles
Diesel	2009	122,118 miles	76,324 miles	972 vehicles

Other Mercedes Lifespans

← Back to All Vehicles

Mercedes B CLASS data from VehicleScore

VehicleScore has analysed 273 Mercedes B CLASS vehicles in its dataset.

Typical VehicleScore: 673
Median mileage: 82,798 miles
MOT pass rate: 79.8%
MOT tests analysed: 3,580
Typical CO2: 122 g/km
Common engine size: 1,461 cc

Statistics are calculated from vehicles analysed by VehicleScore. Figures use unique vehicles rather than the number of searches. The MOT pass rate uses tests with a pass or fail result. Other recorded results stay in the test count and are left out of the pass rate. Samples vary by metric.

Data updated: 12 October 2026

Vehicles analysed: 273

MOT tests analysed: 3,580