Model year guide

2020 Mercedes-benz E 450

Recalls, most-reported problems, crash-test ratings, fuel economy and what a 2020 Mercedes-benz E 450 is worth — from official NHTSA and EPA data. 27 on record.

2020 Mercedes-benz E 450 — representative photo
Representative photo

2020 Mercedes-benz E 450 at a glance

Safety recalls7
Combined22–23 mpg

Included: that car's specs and build sheet, model-year recall campaigns and a fair price.

2020 Mercedes-benz E 450 recalls 7

Communication: Auto Crash Notification NHTSA Campaign #22V365000 · manufacturer #See Recall Schedule · 20/05/2022

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. An error in the communication module's SIM card software can cause a mobile network connection failure, disabling…

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. Owne…

Back Over Prevention:display Function NHTSA Campaign #22V232000 · manufacturer #2022060007 · 08/04/2022

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. 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 M…

Fix: 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. MBUSA's number for this recall is 2022060007.

Fuel System, Gasoline:fuel Injection System:injectors NHTSA Campaign #21V961000 · manufacturer #2022030003 · 13/12/2021

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. During the manufacturing process, particles may have been trapped between the fuel rail and injectors, which can cause a fuel leak.

Fix: 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. MBUSA's number for the recall is 2022030003.

Electrical System:software NHTSA Campaign #21V058000 · manufacturer #2021020025 · 05/02/2021

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. The software design of the communication module may fail to communicate the correct vehicle location for 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. Owners may contact MBUSA customer service at 1-877-762-8267. MBUSA's number for this recall is 2021020025.

Seats:mid/rear Assembly NHTSA Campaign #20V328000 · manufacturer #2020070004 · 05/06/2020

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.

Fix: 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. MBUSA's number for this recall is 2020070004.

Seat Belts:front:webbing NHTSA Campaign #20V228000 · manufacturer #2020050001 · 21/04/2020

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.

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. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2020050001.

Communication NHTSA Campaign #20V068000 · manufacturer #2020030016 · 07/02/2020

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 4MAT…

Fix: 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. MBUSA's number for this recall is 2020030016.

Source: U.S. NHTSA, checked 6 Nov 2026. A campaign covers the model year; to see whether a particular car still needs the repair, check its VIN on NHTSA.gov or ask a franchised dealer.

2020 Mercedes-benz E 450 MPG & running costs

Combined22–23 mpg
City20 mpg
Highway27 mpg
Est. annual fuel cost$3,650
EPA size classSubcompact Cars
TransmissionAutomatic 9-spd
Forced inductionTurbocharged
Engine start-stopYes
Passenger volume98 cu ft
Cargo volume35 cu ft
5-yr fuel cost vs average new car$6,250 more

Source: U.S. EPA / DOE fueleconomy.gov. The EPA lists 6 versions of this model year; combined is shown as a range and the other figures are averages.

Estimated 5-year cost to own

A rough guide to what running a 2020 Mercedes-benz E 450 costs over five years and 75,000 miles.

Fuel (5 yrs)$18,250
Fuel only$18,250
Per mile$0.24

How this is estimated: fuel is the U.S. EPA annual cost at 15,000 miles a year. There aren't enough comparable listings to estimate depreciation for this model, so it is left out. Not included: insurance, maintenance, repairs, taxes, registration and finance costs. Treat it as a comparison guide, not a quote.

Investigations & service bulletins

Manufacturer service bulletins 32

Technical notes the manufacturer sent to dealers about known issues and fixes. Useful to mention to a mechanic — they are not recalls and repairs may not be covered. Showing the 10 most recent of 32.

Complaint Slight creaking noises when steering. Cause Noises may come from one or more sleeves of the horn contact plate. Remedy Remove the horn contact plate and check the sleeves for noise; see attached video. If necessary, apply lubricant to the sleeves.

Bulletin LI46.10-P-080896 · Steering · Sep 2026

Complaint Customer complaints relating to automatic transmission 725.0 (NAG3 Classic /9G‑TRONIC automatic transmission) and 725.1 (NAG3 facelift/9G‑TRONIC automatic transmission facelift) For faster, more effective and more targeted diagnosis, Intelligent Pred…

Bulletin LI27.00-P-073124 · Power Train · Sep 2026

Complaint Repeat workshop visit for vehicle vibration while braking from 60MPH. NOTE: Although the symptom is similar to a tire or wheel vibration, it is usually readily noticeable that it is distinctly different if it happens at all times or only while brakin…

Bulletin LI42.10-P-078779 · Service Brakes · Sep 2026

Complaint Red coolant warning in instrument cluster. Fault codes U019F00 or U019F87 current/stored in MRG1 control unit. Cause Various causes Remedy Perform guided test for fault code U019F with XENTRY diagnosis. Verify the following connections are clean and…

Bulletin LI20.10-P-075374 · Engine · Sep 2026

Complaint Only vehicles with a variable transfer case are affected. This can be identified through control unit N45 or N15/7 in the quick test. When accelerating with light load, vibrations or jolting sensation may come from the drivetrain. It may be mistaken…

Bulletin LI27.10-P-075869 · Power Train · Sep 2026

Complaint Clanking noise from the area of the speakers in the doors. Cause Under analysis. Remedy To narrow down the cause, first of all remove the door trim. • If the noise continues to occur even with the door trim removed, then continue the diagnosis workin…

Bulletin LI82.62-P-078631 · Structure · Sep 2026

Complaint Customer complaints relating to automatic transmission 725.0 (NAG3 Classic / 9G‑TRONIC automatic transmission) and 725.1 (NAG3 facelift/9G‑TRONIC automatic transmission facelift) For faster, more effective and more targeted diagnosis, Intelligent Pre…

Bulletin LI27.00-P-073124 · Power Train · Sep 2026

Complaint During part of the steering movement, it feels heavier or more difficult to steer in the same spot every time. OR Rattling, humming, dry sliding/gravel noise from the electric steering system when steering (see attachment). Complaint does not impact…

Bulletin LI46.35-P-067339 · Steering · Aug 2026

Complaint Tailgate opens unintentionally. Cause Accidental or unnoticed activation of the button to open the tailgate on the vehicle key. EXAMPLE: when stored in trouser pocket, handbag etc. Remedy As of the 6th generation, the vehicle key can be recoded so th…

Bulletin LI72.20-P-075746 · Electrical System, Structure · Aug 2026

Dear Mercedes-Benz Owner: In our continuing efforts to ensure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA is extending the warranty coverage for the Diagnostic Module for Tank Leakage Det…

Bulletin CL - Tank Leak Detection · Fuel/propulsion System · Aug 2026

Source: NHTSA Office of Defects Investigation, listed for the E 450 4MATIC. Model-year data, not specific to one car.

2020 Mercedes-benz E 450 vehicles on record

Other Mercedes-benz E 450 model years

2020 Mercedes-benz E 450 — frequently asked questions

Does the 2020 Mercedes-benz E 450 have any safety recalls?

NHTSA lists 7 recall campaigns for the 2020 Mercedes-benz E 450. Whether an individual car still needs a recall repair depends on its VIN — check it on NHTSA.gov or ask a franchised dealer. Recall repairs are done at no charge.

What gas mileage does the 2020 Mercedes-benz E 450 get?

The 2020 Mercedes-benz E 450 has U.S. EPA estimates of 22–23 mpg combined, depending on engine and trim (6 versions).

Sources: NHTSA (recalls, complaints, crash tests), U.S. EPA (fuel economy). Vehicle data only — CarLogs never shows owner information.