Mercedes-Benz B-Class Mercedes-Benz B-Class

We are 103,000+ car owners sharing real-world car information.

Join Us

Mercedes-Benz B-Class repairs by problem area

Engine (28%)

Transmission and Drivetrain (17%)

Brakes and Traction Control (6%)

Suspension and Steering (22%)

Electrical and Air Conditioning (28%)

Paint, Rust, Leaks, Rattles, and Trim (0%)

Other (0%)

Select a problem area

Show all problems

Need advice about a specific Mercedes-Benz B-Class problem?

Chart based on 18 repairs.
See TSBs and recalls for the Mercedes-Benz B-Class.

Mercedes-Benz B-Class engine repair cost distribution

$2500+ (0%)

$1000 - $2499 (20%)

$500 - $999 (0%)

$100 - $499 (0%)

< $100 (80%)

Worried about potential repair costs? An extended warranty can provide peace of mind.

Chart based on 5 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2014 Mercedes-Benz B-Class 4dr Hatch

turbocharged 208hp 2.0L I4 7-speed automated manual FWD

12 mi Throttle valve and pressure sensor switch were malfunctioning. Reprogrammed software conflict with several attempted patches from Germany. 
32240 mi Car overheated. Towed to the MB dealership. Waterpump and thermostat replaced. 

Return to top

2009 Mercedes-Benz B-Class

Engine not specified

83700 mi

C $1500
Turbo Diverter Valve was stuck - indy mechanic familiar with issue & cleaned part, no need to replace. Cost of repair included the spark plug change which involves dropping the engine to reach the plugs. 

Return to top

2009 Mercedes-Benz B-Class 4dr Hatch

171802 mi

€80
Thermostat stuck open, changed 

Return to top

2008 Mercedes-Benz B-Class 4dr Hatch

turbocharged 193hp 2.0L I4 7-speed shiftable CVT FWD

12400 mi thermostat stock close replace warranty with loaner at time of service 

Return to top

See TrueDelta's information for all Hatchbacks
See TrueDelta's information for all Mercedes-Benz models.

Mercedes-Benz B-Class Engine Problems

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently Mercedes-Benz B-Class problems occur, check out our car reliability stats.