2020 Mercedes-Benz E 450: Recalls, Problems & MPG
Here are the deets on the 2020 Mercedes-Benz E 450: 7 recalls, 9 owner complaints and up to 23 mpg combined.

Recalls
7 vehicle recalls from the manufacturer. Repairs are free. Check your VIN to see if one is still open on your car.
Communication Vehicle recall #20V068000 · 2020 · 239 vehicles
What's wrong: 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, glc300, glc300 4matic, glc63 amg coupe 4matic, amg gt63 4-door 4matic, and amg gt63s 4-door…
Why it matters: An inaccurate vehicle location May delay emergency responders, increasing the risk of injury.
The fix: Mbusa will notify owners, and dealers will replace the communication module, free of charge. The recall began April 14, 2020.
Seat belts Vehicle recall #20V228000 · 2020 · 6 vehicles
What's wrong: 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.
Why it matters: A damaged seatbelt May not properly restrain an occupant, increasing the risk of injury in the event of a crash.
The fix: 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.
Seats Vehicle recall #20V328000 · 2020 · 1,352 vehicles
What's wrong: 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. If cargo were to strike the left-rear seatback, the latch May fail.
Why it matters: In the event of a crash, if the left-rear seatback latch fails, it can increase the risk of injury.
The fix: Mbusa will notify owners, and dealers will replace the left-rear seatback latch, free of charge. The recall began August 17, 2020.
Communication, Electrical Vehicle recall #21V058000 · 2021 · 1,292,258 vehicles
What's wrong: Please refer to the part 573 report for specific vehicle model details. The software design of the communication module May fail to communicate the correct vehicle location for the emergency call system (ecall) in the event of a crash.
Why it matters: Failure of the ecall system May result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.
The fix: 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.
Fuel system, Fuel system Vehicle recall #21V961000 · 2021 · 139 vehicles
What's wrong: During the manufacturing process, particles May have been trapped between the fuel rail and injectors, which can cause a fuel leak.
Why it matters: A fuel leak in the presence of an ignition source, such as hot engine or exhaust components, can increase the risk of a fire.
The fix: Dealers will replace the fuel rail and fuel injectors, free of charge. Owner notification letters were mailed April 22, 2022.
Backup camera Vehicle recall #22V232000 · 2022 · 126,443 vehicles
What's wrong: Please refer to mbusa's recall report for specific vehicle model details. The rearview camera May not display the rearview image due to a software error. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "rear visibility."
Why it matters: An inoperable rearview camera display reduces the driver's rear view, increasing the risk of a crash.
The fix: Dealers will update the rearview camera software, free of charge. Owner notification letters were mailed July 15, 2022.
Communication, Electrical Vehicle recall #22V365000 · 2022 · 242,722 vehicles
What's wrong: Please refer to mbusa's recall report for specific vehicle model details. An error in the communication module's sim card software can cause a mobile network connection failure, disabling the emergency call (ecall) system.
Why it matters: A disabled ecall system would prevent a vehicle occupant from contacting the emergency services call center in an emergency, potentially delaying emergency responders and increasing the risk of injury.
The fix: 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. Owner notification letters will be mailed in phases, on July 8, 2022, May 17, 2024, July 29, 2024, and September 27, 2024.
Most-reported problems
Owner complaints filed with NHTSA, by component. One complaint can list several components. 1 mention a fire, 1 injuries and 0 deaths were reported.
What owners describe
- Backup camera (3): no single recurring theme in the descriptions.
- Body & structure (2): no single recurring theme in the descriptions.
- Latches & locks (1): no single recurring theme in the descriptions.
- Engine (1): no single recurring theme in the descriptions.
The 2020 Mercedes-Benz E 450 has 9 owner complaints, ranking #4 of 6 E 450 model years for complaints (about average; the typical year has 10). Complaints peaked in 2021 (2 filed that year). The typical problem showed up when the car was about 4 years old, at a median of 41,000 miles. Neighboring years: 2019 (17 complaints, 12 recalls), 2021 (7 complaints, 14 recalls).
Engines & fuel economy (EPA)
| Engine | Transmission | Drive | City | Hwy | Comb. | Fuel |
|---|---|---|---|---|---|---|
| 3.0 L 6-cyl turbo | Automatic 9-spd | Rear-Wheel Drive | 20 | 28 | 23 | Premium |
| 3.0 L 6-cyl turbo | Automatic 9-spd | Rear-Wheel Drive | 20 | 27 | 23 | Premium |
| 3.0 L 6-cyl turbo | Automatic 9-spd | 4-Wheel Drive | 20 | 28 | 23 | Premium |
| 3.0 L 6-cyl turbo | Automatic 9-spd | 4-Wheel Drive | 19 | 26 | 22 | Premium |
Want the full repair deets? Get the factory manual.
Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the 2020 Mercedes-Benz E 450.
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FAQ
Does the 2020 Mercedes-Benz E 450 have any recalls?
Yes. NHTSA lists 7 vehicle recalls for the 2020 Mercedes-Benz E 450. Recall repairs are free at any dealer, no matter how old the car is. Check your VIN at nhtsa.gov/recalls.
What are the most common 2020 Mercedes-Benz E 450 problems?
Owners have filed 9 complaints with NHTSA. The most-reported areas are backup camera (3), body & structure (2), latches & locks (1).
What gas mileage does the 2020 Mercedes-Benz E 450 get?
EPA ratings run up to 23 mpg combined (3.0 L, Automatic 9-spd), across 4 engine and transmission combos.
Where can I get a 2020 Mercedes-Benz E 450 repair manual?
eManualOnline sells downloadable manuals, Mitchell 1 DIY and ALLDATAdiy sell online access to factory repair data, and Haynes sells printed guides and online access. Pick a download if you want to keep it, or a subscription for wiring diagrams and TSBs.