YearToAvoid

2023 Mercedes-Benz E 450 Reliability Data: Problems & Recalls

Avoid The 2023 Mercedes-Benz E 450 ranks 2nd worst out of 6 model years, with a complaint index of 80 and 4 recalls. Engine problems dominate, making up 41% of its 17 complaints, giving it an Avoid verdict relative to other E 450 years.

Based on NHTSA complaints per model-year, not a reliability rating. Methodology

YearToAvoid Scorecard

Complaint Index
80/100
#2 of 6 E 450 years
Verdict
Avoid
vs. other years of this model
Complaints
17
unique NHTSA reports
Recalls
4
distinct NHTSA campaigns
Crashes
0
reported in complaints
Fires
0
Injuries
0
Top issue
Engine
Best nearby year
2022
rated Good
NHTSA overall rating
Not rated
EPA combined MPG
24.5
22 city / 29.5 hwy
Injuries / deaths
0 / 0

Top 2023 Mercedes-Benz E 450 problems

Share of this year’s NHTSA complaints by component group. Groups with 15+ complaints have their own page.

  1. Engine7 (41%)
  2. Suspension, Wheels & Tires4 (24%)
  3. Transmission & Powertrain4 (24%)
  4. Electrical System3 (18%)
  5. Fuel System3 (18%)
  6. Collision Avoidance & Cameras1 (6%)

A complaint can list more than one component, so shares add up to more than 100%. Shares are % of complaints.

What owners report

  • Engine suddenly shuts off while driving, with a "malfunction" message on the display and no restart until the driver hits the off button.
  • Transmission unexpectedly shifts into neutral on its own while driving or merging, sometimes at highway speed.
  • Engine loses power and shakes, in one case tied to a broken piston that required a new engine.
  • Fuel pump fails intermittently, including stalling at stop lights and failing to respond when the light turns green.
  • Dashboard displays fail completely, losing the speedometer, fuel gauge, and gear shift indicator at once.
  • Rear and front camera system works intermittently when parking or reversing.
2023 Mercedes-Benz E 450 complaints: complaints filed per month3Jun 2023Dec 2023Mar 2024Sep 2024Feb 2025Jun 2025Apr 2026
17 complaints filed with NHTSA from Jun 2023 to Jun 2026; peak Oct 2025 (3).

2023 Mercedes-Benz E 450 recalls

4 NHTSA recall campaigns list this model year.

  1. NHTSA 24V100000Feb 9, 2024Electrical System12,191 vehicles

    Electrical system:wiring

    Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021-2023 CLS450, E450, E450 All-Terrain, AMG E53, AMG GT43, AMG GT53, and 2021 AMG CLS53 vehicles. The 48-volt ground cable connection located in the engine compartment may not be tightened properly and may result in the ground cable overheating.

    Risk: An overheated ground cable increases the risk of a fire.

    Remedy: Dealers will inspect the 48-volt ground cable connection and repair it as necessary, free of charge. Owner notification letters were mailed March 22, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2024MMNNNN.

  2. NHTSA 23V880000Dec 21, 2023Fuel System79,676 vehicles

    Fuel system, gasoline:delivery:fuel pump

    Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021-2024 GLE, GLS, C-Class, E-Class, S-Class, SL, GLC, CLS, AMG GT, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle details. The fuel pump may shutdown, causing a loss of drive power.

    Risk: A loss of drive power can increase the risk of a crash.

    Remedy: Dealers will replace the fuel pump, free of charge. Owner notification letters were mailed on June 28, 2024. Owner notification letters will be mailed in phases, on February 23, 2024, April 19, 2024, June 28, 2024, August 9, 2024, October 1, 2024, and December 2, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. This recall is an expansion of NHTSA recall number 23V-445.

  3. NHTSA 23V574000Aug 11, 2023Electrical System880 vehicles

    Electrical system:adas:blindspot:sensors

    Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023 E450, E350, AMG E63 S, AMG E53, CLS450, AMG GT53, and AMG GT43 vehicles. Due to a software error, the exit warning system audio and visual warnings may fail to alert occupants about approaching vehicles.

    Risk: Failure to alert occupants of an approaching vehicle can increase the risk of a crash or injury.

    Remedy: Dealers will update the exit warning system software, free of charge. Owner notification letters were mailed September 8, 2023. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2023080005.

See all 4 recalls for the 2023 Mercedes-Benz E 450 →

2023 Mercedes-Benz E 450 fuel economy and fuel cost

City
22 MPG
Highway
29.5 MPG
Combined
24.5 MPG
Annual fuel cost (EPA)
$3,250
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.

2023 compared with other E 450 years

Complaint Index by model year (0 = fewest issues, 100 = most)0255075100201920202021202220232024
Complaint Index: 0 = fewest issues, 100 = most, relative to other years of this model. Avoid Caution Good Best
YearVerdictIndexComplaintsRecallsMPG
2021Caution2071425
2022Good4011524.5
2023Avoid8017424.5
2024No verdict02425

All Mercedes-Benz E 450 years: best and worst →

Frequently asked questions

Is the 2023 Mercedes-Benz E 450 reliable?
Based on NHTSA owner complaints and recalls, the 2023 E 450 ranks 2nd worst of 6 model years with a complaint index of 80, and carries an Avoid verdict relative to other E 450 years.
What is the most common problem on the 2023 Mercedes-Benz E 450?
Engine problems are the top complaint area, accounting for 7 of 17 complaints (41%), including sudden shutdowns and a reported broken piston.
Does the 2023 Mercedes-Benz E 450 have recalls?
NHTSA lists 4 recalls for the 2023 E 450, covering the electrical system's 48-volt ground cable, the fuel pump (two separate campaigns), and a software error in the exit warning system. None are do-not-drive recalls.
Are there transmission problems on the 2023 E 450?
Yes, owners report the transmission unexpectedly shifting into neutral on its own, in some cases while merging or driving at highway speed, with a median failure mileage of 300 miles.
How does the 2023 E 450 compare to other years?
The 2023 model has a complaint index of 80, worse than 2020 (60), 2021 (20), and 2022 (40), but better than 2019 (100), which is the worst year for this model.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.