2016 Mercedes-Benz B250e

The 2016 Mercedes-Benz B250e is an all-electric compact hatchback offering a blend of practicality and electric driving. It’s equipped with a 28 kWh lithium-ion battery powering a 132 kW (177 hp) electric motor, producing 251 lb-ft of torque. Owners often praise the B250e for its smooth and quiet operation, quick acceleration, and comfortable interior. Common complaints revolve around its limited range compared to newer EVs, battery degradation over time, and the relatively high cost of certain repairs. This particular version does not have any engine or transmission options, as it is fully electric.

Electric Motor

Electric Motor

• Motor Control Unit Failure
  • Description/Symptoms: The vehicle may exhibit a sudden loss of power, become unable to start, or display error messages related to the electric drive system on the dashboard.
  • Solution: Replacement of the motor control unit.
  • Estimated Cost to Fix: $2,000 - $4,000+
  • Recalls: None Found

Battery

Battery Pack

• Reduced Battery Range and Capacity
  • Description/Symptoms: Over time, the battery pack’s capacity can degrade, resulting in a noticeable reduction in the vehicle’s driving range. This is often more pronounced in vehicles frequently charged to 100% or subjected to extreme temperatures.
  • Solution: Battery capacity degradation is a normal part of battery aging, however, if degradation is excessive, the battery pack may need to be replaced or individual modules replaced.
  • Estimated Cost to Fix: $8,000 - $15,000+ (full replacement); $2,000-$5,000+ (module replacement).
  • Recalls: None Found
• Battery Management System (BMS) Issues
  • Description/Symptoms: The BMS monitors and manages the battery’s voltage, temperature, and state of charge. If the BMS malfunctions, it can lead to inaccurate readings, charging problems, or even prevent the vehicle from starting.
  • Solution: Diagnosis and replacement of the BMS module.
  • Estimated Cost to Fix: $1,000 - $3,000+
  • Recalls: None Found

Suspension

Suspension System

• Rear Shock Absorber Failure
  • Description/Symptoms: Premature wear or failure of the rear shock absorbers, leading to a bouncy ride, reduced handling stability, and potential noises from the rear suspension.
  • Solution: Replacement of the rear shock absorbers.
  • Estimated Cost to Fix: $400 - $800+
  • Recalls: None Found

Electrical

Infotainment System

• COMAND System Malfunctions
  • Description/Symptoms: The COMAND infotainment system may experience freezing, lagging, screen blackouts, or failure to connect to Bluetooth devices.
  • Solution: Software updates, system reset, or replacement of the COMAND unit.
  • Estimated Cost to Fix: $100 - $500+ (software/reset); $1,500 - $3,000+ (replacement)
  • Recalls: None Found
• 12V Battery Drain
  • Description/Symptoms: The auxiliary 12V battery can drain prematurely, especially if the vehicle is not driven regularly or if there is an electrical fault. This can result in the vehicle being unable to start.
  • Solution: Replacement of the 12V battery; diagnose and repair any parasitic drains.
  • Estimated Cost to Fix: $200 - $400+ (battery); $100 - $500+ (diagnosis and parasitic drain repair)
  • Recalls: None Found

Exterior

No Issues Found

Interior

Interior Components

• Sunroof Issues
  • Description/Symptoms: The sunroof may exhibit issues such as difficulty opening or closing, unusual noises, or leaks.
  • Solution: Repair or replacement of sunroof components (motor, tracks, seals).
  • Estimated Cost to Fix: $300 - $1,000+
  • Recalls: None Found

Summary:

The 2016 Mercedes-Benz B250e, while offering a premium EV experience, can present owners with specific issues related to its electric powertrain and components. The most serious issues revolve around the motor control unit, battery degradation, and battery management system, which can be costly to repair. Other concerns include potential issues with the infotainment system and rear suspension. Before purchasing, it is advisable to have a qualified technician inspect the vehicle’s battery health, electrical systems, and suspension to identify any potential problems.