2024 Mercedes-Benz E 450 Problems, Recalls & Reliability
Verdict
No verdictComplaint Index
0/100
#6 most-complained of 6 E 450 years
The 2024 Mercedes-Benz E 450 has 2 NHTSA complaints and 4 recalls, with a complaint index of 0, the lowest among the 6 model years of this model. It ranks 6th of 6 years, meaning it has the fewest reported problems relative to other E 450 years.
- Complaints
- 2
- Recalls
- 4
- Crashes / fires
- 0 / 0
- Injuries / deaths
- 0 / 0
- NHTSA overall rating
- Not rated
- EPA combined MPG
- 25
- 22 city / 31 hwy
Top 2024 Mercedes-Benz E 450 problems
NHTSA owner complaints by component group. Groups with 15+ complaints have their own page.
- Electrical System1 (50%)
- Steering1 (50%)
- Structure & Body1 (50%)
What owners report
- Owners report the Active Emergency Assistance system displaying a warning message during driving.
- A dealer software update was applied to fix the emergency assistance warning, but the issue reportedly returned afterward.
- The dealer then diagnosed a further fault related to the recurring warning.
- A passenger seat reportedly bounced, vibrated, and rattled while driving, prompting a dealer inspection.
2024 Mercedes-Benz E 450 recalls
4 NHTSA recall campaigns list this model year.
- NHTSA 25V240000Apr 11, 2025Electrical System14 vehicles
Electrical system:wiring
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2024 E 350 4MATIC, E 450 4MATIC All-Terrain, and E 450 4MATIC vehicles. The 12-Volt and 48-Volt ground connections for the electrical wiring harness may not be secured properly, resulting in the ground connections overheating.
Risk: Overheated ground connections can increase the risk of a fire.
Remedy: Dealers will inspect and repair the 12-Volt and 48-Volt ground connections as necessary, free of charge. Owner notification letters were mailed May 7, 2025. Owners may contact MBUSA customer service at 1-800-367-6372.
- NHTSA 24V688000Sep 13, 2024Other2,025 vehicles
Equipment:electrical:infotainment:software
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2024 CLE 300 Convertible, CLE 300 Coupe, CLE 450 Convertible, CLE 450 Coupe, E 350, E 450 Station Wagon, E 450, and AMG CLE 53 Coupe vehicles. A software error in the MBUX multimedia system may deactivate certain vehicle systems, including the cross-traffic alert that applies the brakes automatically in certain driving situations.
Risk: An automatic emergency braking system that does not function as intended can increase the risk of a crash.
Remedy: Dealers will update the MBUX multimedia system software and parking control unit settings, free of charge. Owner notification letters were mailed November 1, 2024. This is a phased recall, phase 1 owner letters will be mailed November 12, 2024, November 1, 2024, and January 14, 2025. Owners may contact MBUSA customer service at 1-800-367-6372.
- NHTSA 24V224000Mar 22, 2024Electrical System396 vehicles
Electrical system:wiring
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2024 E350 4Matic, E450 4Matic All-Terrain, and E450 4Matic vehicles. The transmission wiring harness may be routed too close to the driveshaft, which can result in wiring harness damage and cause a loss of drive power.
Risk: A loss of drive power can increase the risk of a crash.
Remedy: Dealers will check the transmission wiring harness routing and correct it, if necessary, free of charge. Owner notification letters were mailed May 17, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2024040007.
2024 Mercedes-Benz E 450 fuel economy and fuel cost
- City
- 22 MPG
- Highway
- 31 MPG
- Combined
- 25 MPG
- Annual fuel cost (EPA)
- $3,200
- 15,000 mi/yr
- Fuel
- Premium
- 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.
2024 compared with other E 450 years
Frequently asked questions
- Is the 2024 Mercedes-Benz E 450 reliable based on NHTSA data?
- NHTSA lists only 2 complaints and a complaint index of 0 for the 2024 E 450, the lowest of the 6 model years tracked, suggesting fewer reported problems relative to other years.
- Does the 2024 Mercedes-Benz E 450 have any recalls?
- Yes. NHTSA lists 4 recalls for the 2024 E 450, covering electrical wiring harness grounding, transmission wiring harness routing, a multimedia software error, and a main fuse box issue. None are do-not-drive recalls.
- What is the top reported problem area for the 2024 E 450?
- NHTSA data shows the Electrical System as the top problem area, accounting for 50% of complaints, tied with Steering at 50%.
- How does the 2024 E 450 compare to other model years?
- The 2024 E 450 ranks 6th of 6 model years by complaint index (0), better than 2019 (Avoid, index 80), 2020 (Caution, index 60), and 2023 (Avoid, index 100).
- What is the fuel economy of the 2024 Mercedes-Benz E 450?
- EPA rates the 2024 E 450 at 25 mpg combined (22 city / 31 highway), with an estimated annual fuel cost of $3,200.