VehicleVerdict

2023 Mercedes-Benz Eqb 300 4matic problems

Verdict · NHTSA data

One of the years to avoid

With 68 complaints filed to NHTSA — about 6.5 times the median Eqb 300 4matic year — the 2023 model ranks #1 of 4 Eqb 300 4matic years for complaint volume. It lands on the years-to-avoid list.

The trouble concentrates in one system: electrical system issues account for 49% of all reports (33 of 68), far ahead of fuel system at 8.

68

NHTSA complaints

4

Recalls

0

Investigations

1

Crash-involved

0

Fires reported

0

Injuries

0

Deaths

—

NCAP overall

How does 2023 compare to other Eqb 300 4matic years?

Eqb 300 4matic NHTSA complaints by model year, 2023 highlighted68 complaints2022: 10 complaints2023: 68 complaints2024: 11 complaints2025: 1 complaints
Eqb 300 4matic NHTSA complaints by model year, 2023 highlighted. Red bars are years to avoid.

See all Eqb 300 4matic years to avoid →

What are the most common 2023 Mercedes-Benz Eqb 300 4matic problems?

ComponentComplaintsShare
Electrical System3349%
Fuel System812%
Other710%
Driver Assistance57%
Engine57%
Transmission46%
Brakes23%
Visibility & Wipers11%
Seat Belts11%
Tires & Wheels11%
Airbags11%

Does the 2023 Mercedes-Benz Eqb 300 4matic have recalls?

4 NHTSA recall campaigns on file. Recall repairs are free at franchised dealers.

26V073000Electrical SystemFebruary 6, 2026 · 11,895 units

Defect

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023-2024 EQB 250+, 2022-2024 EQB 300 4MATIC, and EQB 350 4MATIC vehicles. The high voltage battery may fail internally and lead to a vehicle fire while parked or driving.

Consequence

A vehicle fire while parked or driving can increase the risk of injury.

Remedy

Owners are advised to park outside and away from structures until the recall repair is complete. Also, owners are advised to only charge their vehicles to a maximum of 80% battery capacity until the remedy has been completed. Dealers will replace the high voltage battery, free of charge. Interim letters, notifying owners of the safety risk, were mailed March 13, 2026. Additional letters will be sent once the final remedy is available. This recall replaces recalls 25V050 and 25V894. Vehicles previously repaired under recall 25V050 or 25V894 will need to have the new remedy completed. Owners may contact MBUSA customer service at 1-800-367-6372. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning February 13, 2026.

25V894000Electrical SystemDecember 19, 2025 · 169 units

Defect

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023 EQB 250, 2022-2023 EQB 300 4MATIC, and EQB 350 4MATIC vehicles. The high voltage battery may fail internally and lead to a vehicle fire while parked or driving.

Consequence

A vehicle fire while parked or driving can increase the risk of injury.

Remedy

Owners are advised to only charge their vehicles to a maximum of 80% battery capacity until the repair has been completed. Vehicles previously repaired under Recall 25V050 will need to be repaired again. Dealers will update the battery management system software, free of charge. Owner notification letters were mailed February 6, 2026. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2025120005. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov on December 23, 2025.

25V487000Electrical SystemJuly 25, 2025 · 660 units

Defect

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022-2023 EQB 350 4MATIC, and EQB 300 4MATIC vehicles. The bus bar in the high voltage battery may be secured with incorrect screws, which can cause the system to have a sudden loss of drive power without warning.

Consequence

A loss of drive power increases the risk of a crash.

Remedy

Owners are advised to park outside until the recall repair is complete. Dealers will inspect and replace the high-voltage battery as necessary, free of charge. This will be a phased campaign, with the remedy becoming available in different phases based on model and model years. Owner notification letters were mailed January 9, 2026. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2025080004.

25V050000Electrical SystemFebruary 7, 2025 · 12,236 units

Defect

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022-2025 EQB 250, EQB 300 4MATIC, and EQB 350 4MATIC electric vehicles. The high voltage battery may fail internally and lead to a vehicle fire while parked or driving.

Consequence

A vehicle fire while parked or driving can increase the risk of injury.

Remedy

Owners are advised to only charge their vehicles to a maximum of 80% battery capacity until the repair has been completed. Dealers will update the battery management system software, free of charge. Owner notification letters were mailed on May 22, 2025. This is a phased recall. Phase 1 owner letters were mailed on May 22, 2025. Phase 2 owner letters were mailed on October 31, 2025 and Phase 3 owner letters were mailed on December 12, 2025. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2025040005.

Consumer complaints filed with NHTSA

Representative excerpts, cleaned of personal information. These are consumer statements, not verified defects.

“I was informed of this recall fire risk. And I contacted Mercedes dealership where I got the car. And they informed me that the battery is not available at this time. And to park the vehicle outside. I can’t do this because my charging port is located inside my garage. This is not a safe and the…”

Complaint filed with NHTSA · Electrical System · February 26, 2026

“Mercedes performed a recall and stated the charging would increase only by 10-15 minutes. For my vehicle it is now exceeding 30-45 minutes to get to the same state of charge at a fast charger such as electrify America. Mercedes refuses to do anything about this, instead they want me to drive around…”

Complaint filed with NHTSA · Fuel System · August 6, 2025

“There is a reflective chrome accent on the dashboard of the EQB 300 that reflects sunlight directly into the drivers eyes when the car is oriented in certain directions at certain times of day. The light is blinding and impacts the ability of the driver to see the road and respond appropriately. I…”

Complaint filed with NHTSA · Other · November 10, 2023

“Spoke with MB today and was told that the new battery for this recall would be available in late 2026 and that until then I should only park outside and not charge past 80%. When asked for a loaner car until they fixed the issue I was told no. Afraid to drive and or charge ”

Complaint filed with NHTSA · Engine · March 21, 2026

“We were driving along a 4 lane state road and the car suddenly applied the brakes hard and swerved to the right. A light blinked on the dash with a picture of the car and a red line on the right hand side. No cars were in the next lane over and there were no issues with the roadway. I was driving…”

Complaint filed with NHTSA · Driver Assistance · December 6, 2023

2023 Mercedes-Benz Eqb 300 4matic — common questions

Is the 2023 Mercedes-Benz Eqb 300 4matic reliable?

NHTSA data argues against it: 68 complaints put the 2023 model at #1 of 4 Eqb 300 4matic years. It is one of the Eqb 300 4matic years to avoid.

What are the most common 2023 Eqb 300 4matic problems?

According to NHTSA complaint data, the leading problem areas are electrical system (33 complaints), fuel system (8 complaints), other (7 complaints).

Does the 2023 Mercedes-Benz Eqb 300 4matic have recalls?

Yes — NHTSA lists 4 recall campaigns affecting the 2023 Mercedes-Benz Eqb 300 4matic. Recall repairs are free at franchised dealers; check the VIN at nhtsa.gov/recalls to confirm the work was done.

Which Mercedes-Benz Eqb 300 4matic years should you avoid?

Based on complaint rates and open investigations, the Eqb 300 4matic years to avoid are 2023. The cleanest record among Eqb 300 4matic years belongs to 2025.

Related

Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.

Compiled by Sharon Ben-Moshe, Founder.