2020 · W247
2020 Mercedes-Benz B-Class Reliability and Buying Guide
2020 Mercedes-Benz B-Class reliability, DCT checks, diesel emissions, electronics, battery health, and family-car wear.
Verdict
A practical compact Mercedes that is strongest with clean module scans, smooth DCT behavior, and complete service history.
Inspect first
- Run Mercedes-capable diagnostics
- Test DCT in traffic and reverse
- Check battery and coolant data
- Inspect tires, seats, doors, and suspension
Why it stands out
Practical W247 packagingModern Mercedes cabinEfficient compact engines