Most common 2020 Mercedes-Benz E450 problems
Share of the 12 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.
Mercedes-Benz E450 complaints by model year
Best E450 years: 2025, 2024. Years to avoid: 2023. Compare all years →
2020 Mercedes-Benz E450 recalls (8)
Power train › Driveline › Universal joint
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018 E 400 4MATIC Sedan, E 400 4MATIC Wagon, E 400 4MATIC Cabriolet, E 400 4MATIC Coupe, 2018-2020 Maybach S 560 4MATIC, S 560 4MATIC Coupe, S 450 4MATIC, 2019-2020 E 450 4MATIC Sedan, E 450 4MATIC Wagon, E 450 4MATIC Coupe, and E 450 4MATIC Cabriolet vehicles.
Remedy: Dealers will inspect and replace the drive shaft as necessary, free of charge. Interim letters, notifying owners of the safety risk, were mailed May 22, 2026.
Communication › Auto crash notification
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2022 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, AMG GT-Class, C-Class, E-Class, S-Class, SL-Class, GLC-Class, CLS-Class, GLB-Class, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details.
Remedy: The communication module software will be updated through an Over-the-Air (OTA) update or by a dealer, free of charge. Owner notification letters were mailed July 8, 2022.
Back over prevention › Display function
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018-2021 CLA-Class, GLE/GLS-Class, A-Class, C-Class, E-Class, E-Class Coupe/Convertible, GLA/GLB-Class, GLC-Class, and CLS-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details.
Remedy: Dealers will update the rearview camera software, free of charge. Owner notification letters were mailed July 15, 2022. Owners may contact MBUSA customer service at 1-800-367-6372.
Fuel system, gasoline › Fuel injection system › Injectors
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019 AMG G63, C300, E300, G550, AMG GT63, AMG GT53, 2019-2020 A220, GLA250, GLC300, 2016 C300, 2020 AMG A35, AMG C43, AMG C63, CLA250, E350, E450, GLB250, GLE450, GLS450, GLS580, S560, and SL550 vehicles equipped with a gasoline engine.
Remedy: Dealers will replace the fuel rail and fuel injectors, free of charge. Owner notification letters were mailed April 22, 2022. Owners may contact MBUSA customer service at 1-800-367-6372.
Communication › Auto crash notification
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016 - 2021 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, GT-Class, C-Class, E-Class, S-Class, CLS-Class, SL-Class, B-Class, GLB-Class, GLC-Class, and G-Class vehicles. Please refer to the Part 573 report for specific vehicle model details.
Remedy: MBUSA will notify owners, and the communication module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. The recall began March 12, 2021.
Seats › Mid/rear assembly
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2020 E450, AMG E63S, GLC300, AMG GLC43, AMG GLC63, AMG GT53, and AMG GT63 vehicles equipped with rear seatbacks that can be electrically unlatched. The left-rear seatback latch may not be strong enough to withstand certain loads.
Remedy: MBUSA will notify owners, and dealers will replace the left-rear seatback latch, free of charge. The recall began August 17, 2020. Owners may contact MBUSA customer service at 1-800-367-6372.
Show 2 more recalls
Seat belts › Front › Webbing
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2020 E450 Coupe vehicles. The front left seatbelt may be improperly installed, potentially allowing the seatbelt to contact sharp metal components and damage the seatbelt webbing.
Remedy: MBUSA will notify owners, and dealers will inspect and reroute the front left seatbelt as necessary, or replace it if the webbing is damaged, free of charge. The recall began May 22,2020.
Communication
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2020 C300 Cabrio, C300 Cabrio 4MATIC, C300 Coupe, C43 AMG Cabrio 4MATIC, C43 AMG Coupe 4MATIC, C63S AMG Cabrio, CLS53 AMG 4MATIC, E350, E350 4MATIC, E450 Cabrio, E450 Cabrio 4MATIC, E450 Coupe, E450 Coupe 4MATIC, E450 4MATIC, E53 AMG Cabrio 4MATIC, GLC300 Coupe 4MATIC,…
Remedy: MBUSA will notify owners, and dealers will replace the communication module, free of charge. The recall began April 14, 2020. Owners may contact MBUSA customer service at 1-800-367-6372.
What 2020 Mercedes-Benz E450 owners say
Driver assistance
The contact owns a 2020 Mercedes-Benz E450. The contact stated that while reversing, the rearview camera image failed to display. An image indicating that the rearview camera was inoperable was displayed on the infotainment system screen. The local dealer was notified of the failure and informed the contact that the manufacturer was in the process of issuing a related recall. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure and informed the contact that the VIN was not under recall. The manufacturer transferred the contact to the NHTSA Hotline to report the failure. The failure mileage was approximately 34,000.
The contact owns a 2020 Mercedes-Benz E450. The contact stated that while shifted into reverse, the back over prevention camera displayed the rear view of the vehicle for approximately 10-seconds before going black. The back over prevention camera remained open despite failing to display an image of the rear of the vehicle. The vehicle had been taken to the dealer where it was diagnosed that the failure was related to NHTSA Campaign Numbers: 22V232000 (Back Over Prevention) however, the VIN was not included. The back over prevention camera was replaced. The manufacturer was not made aware of the failure. The failure mileage was 48,000.
2020 Mercedes-Benz E450 engines & fuel economy
| Engine | Transmission | Drive | MPG city / hwy / combined |
|---|---|---|---|
| 3.0L 6-cyl turbo | 9-speed automatic | RWD | 20 / 28 / 23 |
EPA ratings. Class: Subcompact car.
Frequently asked questions
Is the 2020 Mercedes-Benz E450 a good car?
There isn't enough complaint history for the E450 to compare model years reliably. So far owners have filed 12 complaints with NHTSA.
What is the most common problem with the 2020 Mercedes-Benz E450?
The driver assistance — 4 complaints, 33% of all complaints for this model year, most often about sensing system › camera. Next are the body & structure (2) and engine & cooling (2).
How many recalls does the 2020 Mercedes-Benz E450 have?
There are 8 recalls for the 2020 Mercedes-Benz E450, the most recent from April 3, 2026 (universal joint). Recall repairs are free at any authorized dealer — check whether yours has been done with the VIN recall check.
What are the best and worst years of the Mercedes-Benz E450?
The best years by complaints, compared at the same age, are 2025 and 2024. Years to avoid or approach with caution: 2023. See the full Mercedes-Benz E450 years comparison.
At what mileage do 2020 Mercedes-Benz E450 problems happen?
The median mileage reported in complaints is about 48,000 miles; 71% of problems with a recorded mileage started before 50,000 miles.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.