2017 Mercedes-Benz B250e

The 2017 Mercedes-Benz B250e is an all-electric compact hatchback known for its comfortable ride, spacious interior, and surprisingly good acceleration. The B250e is powered by an electric motor that produces 177 horsepower and 251 lb-ft of torque. Some owners appreciate the B250e’s smooth and quiet operation, as well as its regenerative braking system, which helps to extend the driving range. Common complaints include a limited range compared to newer electric vehicles, a relatively long charging time, and some quirky interior controls.

Electric Motor

No Issues Found

Drivetrain

No Issues Found

Battery & Charging System

• Reduced Range Over Time
  • Description/Symptoms: Over several years, some owners have reported a noticeable decrease in the battery’s maximum range, falling short of the original EPA estimate. This can be exacerbated by frequent fast charging and extreme temperatures.
  • Solution: Battery capacity degradation is a normal part of electric vehicle ownership. Options include accepting the reduced range, attempting to optimize charging habits (avoiding frequent fast charging and maintaining the battery between 20-80% charge), or considering a battery replacement.
  • Estimated Cost to Fix: Battery replacement costs can vary significantly but are typically a major expense, potentially ranging from $5,000-$15,000+.
• Charging Port Issues
  • Description/Symptoms: Difficulty connecting or maintaining a connection with charging cables, leading to interrupted charging sessions or a complete failure to charge.
  • Solution: Inspect and clean the charging port. Replacing the charging port may be necessary if damaged.
  • Estimated Cost to Fix: $200 - $800+ depending on the damage

Suspension

No Issues Found

Electrical

• Infotainment System Glitches
  • Description/Symptoms: Freezing, lagging, or spontaneous reboots of the COMAND infotainment system.
  • Solution: Software updates from Mercedes-Benz may resolve some glitches. In some cases, replacing the COMAND unit is necessary.
  • Estimated Cost to Fix: $100-$500 for software, $1,000-$3,000+ for COMAND unit replacement.
• 12V Battery Issues
  • Description/Symptoms: The 12V battery, which powers auxiliary systems, can sometimes fail prematurely. Symptoms include difficulty starting, warning lights, and infotainment system malfunctions.
  • Solution: Replace the 12V battery.
  • Estimated Cost to Fix: $150 - $300

Exterior

• Rear Tail Light LED Failure
  • Description/Symptoms: Individual LEDs within the rear tail lights may fail, resulting in sections of the light being dimmer or completely non-functional.
  • Solution: Replacing the entire tail light assembly is typically required.
  • Estimated Cost to Fix: $300-$600+ per tail light assembly.

Interior

• Sunroof Issues
  • Description/Symptoms: Sunroof becomes misaligned, sticks while opening or closing, or doesn’t seal properly causing wind noise.
  • Solution: Sunroof track cleaning and lubrication, or sunroof motor replacement
  • Estimated Cost to Fix: $100-$800+

Summary

The 2017 Mercedes-Benz B250e generally shows a few common issues including battery degradation and some electrical issues. Some of the repairs can be costly, particularly battery replacement. The relatively few complaints suggest that the car has adequate reliability. The biggest consideration is the battery degradation and the repair costs if any issues occur.