YearToAvoid

2023 Mercedes-Benz E 450 Problems, Recalls & Reliability

Verdict

Avoid

Complaint Index

100/100

#1 most-complained of 6 E 450 years

The 2023 Mercedes-Benz E 450 ranks worst among 6 model years tracked, with a complaint index of 100 and 17 owner complaints plus 4 recalls. Engine problems make up 41% of complaints, and the median failure mileage for engine and fuel system issues sits at 20,250 and 600 miles.

Complaints
17
Recalls
4
Crashes / fires
0 / 0
Injuries / deaths
0 / 0
NHTSA overall rating
Not rated
EPA combined MPG
24.5
22 city / 29.5 hwy

Top 2023 Mercedes-Benz E 450 problems

NHTSA owner 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%)

What owners report

  • Engine stalls or shuts off unexpectedly while driving, displaying a 'malfunction' message on the dash before restarting.
  • Transmission unexpectedly shifts into neutral on its own while merging or driving at highway speed, with no warning light.
  • Engine loses power and shakes while driving, in one case traced to a broken piston requiring engine replacement.
  • Fuel pump fails intermittently, including while stopped at traffic lights, sometimes tied to the fuel system recall.
  • Dashboard electronics fail completely, wiping out the speedometer, fuel gauge, and gear shift indicator at once.
  • Rear and forward camera display for parking works intermittently after several months of normal use.
2023 Mercedes-Benz E 450 complaints: complaints filed per month3Jun 2023Dec 2023Mar 2024Sep 2024Feb 2025Jun 2025Apr 2026
22 complaints filed with NHTSA from Jun 2023 to Jun 2026; peak Dec 2023 (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
2021Best2071425
2022Good4011524.5
2023Avoid10017424.5
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 data, the 2023 E 450 has the highest complaint index (100) of the 6 model years tracked and carries an Avoid verdict relative to other E 450 years. It has 17 complaints and 4 recalls.
What is the top problem area for the 2023 E 450?
Engine issues account for 41% of complaints, with a median failure mileage of 20,250 miles, followed by suspension and transmission issues each at 24%.
Does the 2023 E 450 have a fuel pump recall?
Yes. NHTSA recall 23V445000 and 23V880000 both cover fuel pump replacement on the 2023 E 450 and related Mercedes-Benz models.
Which E 450 model years are better than 2023?
NHTSA data shows 2021 has the lowest complaint index (20) and a Best verdict, followed by 2022 with a complaint index of 40 and a Good verdict.
Are there any 'do not drive' recalls on the 2023 E 450?
No. Of the 4 recalls listed for the 2023 E 450, none are flagged as do-not-drive recalls.

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.