2021 Ford Mustang Mach-E Problems, Recalls & Reliability
Verdict
AvoidComplaint Index
100/100
#1 most-complained of 5 Mustang Mach-E years
The 2021 Ford Mustang Mach-E ranks worst of 5 model years, with a Complaint Index of 100, 344 complaints, and 13 recalls. Electrical System issues make up 44% of complaints, followed by Collision Avoidance & Cameras at 31%.
- Complaints
- 344
- Recalls
- 13
- Crashes / fires
- 14 / 1
- Injuries / deaths
- 9 / 0
- NHTSA overall rating
- Not rated
- EPA combined MPG
- 93
- 100 city / 86 hwy
Top 2021 Ford Mustang Mach-E problems
NHTSA owner complaints by component group. Groups with 15+ complaints have their own page.
- Electrical System152 (44%)
- Collision Avoidance & Cameras108 (31%)
- Engine53 (15%)
- Other50 (15%)
- Transmission & Powertrain50 (15%)
- Fuel System47 (14%)
- Brakes31 (9%)
- Lane Departure31 (9%)
- Visibility & Wipers20 (6%)
- Steering14 (4%)
What owners report
- Owners report sudden unintended acceleration while parking or pulling into a driveway, sometimes crashing into walls, homes, or other vehicles.
- Pre-collision warning systems reportedly activate and are followed by unexpected acceleration instead of braking.
- Collision sensors have failed to detect nearby vehicles while parking, leading to low-speed crashes.
- Brake pedal application reportedly failed to slow the vehicle in one case, resulting in a crash and injuries.
- Door latches have reportedly jammed or malfunctioned, in some cases contributing to a vehicle being taken to a repair shop after a lien sale.
- Some owners describe erratic electrical system behavior with no clear cause identified by the dealership.
2021 Ford Mustang Mach-E recalls
13 NHTSA recall campaigns list this model year.
- NHTSA 26V417000Jun 30, 2026Transmission & Powertrain42,784 vehicles
Power train:driveline:differential unit
Ford Motor Company (Ford) is recalling certain 2021-2023 Mustang Mach E vehicles. The rear differential pinion shaft may fracture.
Risk: Differential pinion shaft fracture may result in a loss of drive power, or unintended vehicle movement if the vehicle is in park without the parking brake applied, increasing the risk of a crash.
Remedy: Dealers will repair or replace the rear differential assembly as necessary, free of charge. Interim letters, notifying owners of the safety risk, were mailed July 13, 2026. Additional letters will be sent once the remedy is available, anticipated in late December 2026. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 26S50.
- NHTSA 25V513000Aug 8, 2025Brakes8 vehicles
Service brakes, hydraulic:antilock/traction control/electronic limited slip:control unit/module
Ford Motor Company (Ford) is recalling certain 2021 Mach-E vehicles that were repaired incorrectly under recall 24V777. An Over-The-Air (OTA) update to the Anti-lock Braking System (ABS) may result in a loss of power brake assist, ABS, Electronic Stability Control, Traction Control, and driver assistance features.
Risk: A loss of power brake assist can increase the distance required to stop the vehicle. Additionally, a disabled antilock brake system and/or stability control system can result in a loss of vehicle control. Either of these scenarios can increase the risk of a crash.
Remedy: Dealers will update the ABS calibration software, free of charge. Owner notification letters were mailed September 18, 2025. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 25S81.
- NHTSA 25V404000Jun 13, 2025Electrical System197,432 vehicles
Electrical system:body control module:software
Ford Motor Company (Ford) is recalling certain 2021-2025 Mustang Mach E vehicles. In the event of a low battery charge, the electronic door latches may remain locked once the driver or front passenger exits and shuts the door, possibly trapping someone who is unable to use the inside door release handles, such as a child in the back seat.
Risk: The inability to enter or exit the vehicle in an emergency increases the risk of injury.
Remedy: Dealers will update the Powertrain Control Module (PCM) and the Secondary On-Board Diagnostic Control Module C (SOBDMC) software, free of charge. Owner notification letters were mailed to 2021-2025 Mustang Mach-E owners September 12, 2025. Additionally, Owner notification letters were mailed to 2024-2025 Mustang Mach-E owners July 10, 2025. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 25S65.
2021 Ford Mustang Mach-E fuel economy and fuel cost
- City
- 100 MPG
- Highway
- 86 MPG
- Combined
- 93 MPG
- Annual fuel cost (EPA)
- $800
- 15,000 mi/yr
- Fuel
- Electricity
- Current regular gas
- $4.32/gal
- national avg.
EPA figures; median across configurations of this model year. Estimate your own cost with the fuel cost calculator.
2021 compared with other Mustang Mach-E years
Frequently asked questions
- Is the 2021 Ford Mustang Mach-E reliable?
- Based on NHTSA complaints and recalls, the 2021 Mustang Mach-E has the highest Complaint Index (100) of the 5 model years with data, and it carries an 'Avoid' verdict relative to other Mach-E years.
- What is the biggest problem with the 2021 Ford Mustang Mach-E?
- The Electrical System is the top problem area, accounting for 152 complaints and 44% of all reported issues, including one fire.
- Does the 2021 Mustang Mach-E have recalls?
- Yes. NHTSA lists 13 recalls for the 2021 Mustang Mach-E, covering the rear differential, ABS calibration, door latches, and high-voltage battery contactors.
- How does the 2021 Mach-E compare to other years?
- NHTSA data shows the 2021 model has a Complaint Index of 100, higher than 2022 (50), 2023 (75), 2024 (25), and 2025 (0), making 2021 the worst-ranked year for complaints.