Mercedes-Benz EQB Battery Issues: Fire Risk Warning

April 6, 2026 3 min read

The Mercedes-Benz EQB entered the market as a premium all-electric SUV, promising a blend of luxury, innovation, and everyday practicality. However, for many drivers, the ownership experience has been overshadowed by serious concerns involving battery reliability and vehicle safety.

If you own or lease a Mercedes-Benz EQB and are dealing with ongoing problems, you may have rights under Lemon Law.

Mercedes Benz Battery Problems

Major Concern: High-Voltage Battery Defects

One of the most serious issues affecting certain Mercedes-Benz EQB models involves the high-voltage battery system, which is one of the most important components in any electric vehicle.

Some 2022 through 2024 EQB vehicles have been associated with defective battery cells that may create serious safety risks, including overheating, internal short circuits, and even an increased risk of fire.

A large recall affecting thousands of EQB vehicles brought national attention to the issue. Mercedes-Benz first attempted to address the defect through software updates intended to monitor battery performance and reduce the danger. In some cases, however, those efforts were not enough.

  • Some vehicles required more than one repair attempt
  • Software-based fixes did not always solve the underlying problem
  • Some owners were told that full battery replacement was necessary

When an electric vehicle requires a complete battery pack replacement, it usually points to a significant defect rather than a minor inconvenience.

Temporary Safety Restrictions for Owners

While waiting for repairs or further instructions, some EQB owners were given guidance intended to reduce risk and prevent possible battery-related incidents.

  • Do not charge the vehicle above 80 percent
  • Park the vehicle outdoors and away from buildings
  • Pay close attention to dashboard warnings or unusual battery behavior

These kinds of restrictions can make an electric vehicle far less practical to own and operate, especially for drivers who depend on full battery range and reliable daily use.

Other Reported Battery and Electrical Problems

In addition to recall-related repairs, some drivers have reported other battery and electrical system issues that interfere with normal operation.

  • Sudden loss of power
  • Vehicle entering limp mode
  • Unexpected battery drain
  • High-voltage warning messages
  • Vehicle shutdowns while driving

When these problems happen repeatedly, they can raise serious concerns about the safety, value, and dependability of the vehicle.

Why These Problems May Qualify Under Lemon Law

Lemon Law protects consumers when a vehicle has a substantial defect that the manufacturer or dealership cannot fix within a reasonable number of repair attempts.

A vehicle may qualify if:

  • The defect substantially affects the vehicle's use, value, or safety
  • The problem continues after multiple repair visits
  • The vehicle spends an excessive amount of time in the shop

Battery defects involving fire risk, loss of power, charging limitations, or repeated repair attempts may support a Lemon Law claim.

Conclusion

The Mercedes-Benz EQB was designed to offer luxury and electric performance, but serious battery concerns have left some owners dealing with repeated repairs, reduced usefulness, and safety worries. If your EQB has ongoing battery or electrical issues, Lemon Law may provide important protections.

Vehicle Problems?

Search thousands of vehicle complaints and recalls by make, model, and year to see if your vehicle has known issues.

Browse Complaints
Get Legal Help

Having vehicle problems? Get connected with experienced lemon law attorneys in your state.

Free consultation • No fees unless we win