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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%)

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Chart based on 18 repairs.

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Mercedes-Benz B-Class repair cost distribution

$2500+ (0%)

$1000 - $2499 (6%)

$500 - $999 (6%)

$100 - $499 (13%)

< $100 (75%)

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Chart based on 16 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

See repairs for all Mercedes-Benz B-Class model years.

Mercedes-Benz B-Class in Ontario, Canada Oct 2020 - Jun 2022
Jul 2020 9300 mi	“Clanking” noise when starting. Replaced flywheel. “Clanking” noise when starting. Replaced flywheel.
Nov 2021 12805 mi	Inconsistent air control. Fixed by replacing and reprogramming HVAC control module. HVAC system was hunting for settings. It kept changing vent outlet selection at random and would not settle on the proper position. Heat control CUP needed to be replaced.
Apr 2022 13515 mi	Hot spot in heated seat, and tear in seat cover.

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Mercedes-Benz B-Class in Quebec, Canada Jun 2016 - Jun 2022
Aug 2016 29760 mi	Car went on limp mode (Pre safe). Car accelerated very slowly only. Was fine after restarting the car.
Oct 2016 32240 mi	Car overheated. Towed to the MB dealership. Waterpump and thermostat replaced.

Mercedes-Benz B-Class in Ontario, Canada Jun 2015 - Jun 2018
Mar 2015 12 mi	Throttle valve and pressure sensor switch were malfunctioning. Reprogrammed software conflict with several attempted patches from Germany.

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Mercedes-Benz B-Class in Queensland, Australia - Sep 2016
Sep 2016 50840 mi A $260	Problem occurring because the radar sensing unit had become misaligned, with the sensor pointing downwards. Hence, whenever I braked sharply, the car's front end would dive a bit, the sensor unit "saw" the pavement and applied the brakes.

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Mercedes-Benz B-Class in Nova Scotia, Canada Jun 2017 - Jun 2018
May 2018 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.

Mercedes-Benz B-Class in Alberta, Canada May 2018 - Jun 2022
Jun 2021 134540 mi C $400	Taillight not working initially thought it was a ECU problem, turned out to be a short.

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Mercedes-Benz B-Class in Finland Jan 2020 - Jun 2022
Oct 2020 171802 mi €80	Thermostat stuck open, changed
Feb 2021 174840 mi €130	Noisy bearing, changed both front bearings Both front shocks and coils changed, after right side coil broke
Nov 2021 189720 mi €700	Both driveshafts changed, joint bearing failure
May 2022 204600 mi €20	TCU problem, cables broken or loose inside TCU. Error codes 0793, 0722 and 0896.