YearToAvoid

2019 Mercedes-Benz E 450 Reliability Data: Problems & Recalls

Avoid The 2019 Mercedes-Benz E 450 has the worst complaint index (100) and ranks 1st worst out of 6 model years, earning an Avoid verdict. NHTSA lists 17 complaints, 12 recall campaigns, one fire, one crash, and two injuries for this year.

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

YearToAvoid Scorecard

Complaint Index
100/100
#1 of 6 E 450 years
Verdict
Avoid
vs. other years of this model
Complaints
17
unique NHTSA reports
Recalls
12
distinct NHTSA campaigns
Crashes
1
reported in complaints
Fires
1
Injuries
2
Top issue
Electrical System
Best nearby year
2022
rated Good
NHTSA overall rating
Not rated
EPA combined MPG
22.5
19.5 city / 26.5 hwy
Injuries / deaths
2 / 0

Top 2019 Mercedes-Benz E 450 problems

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

  1. Electrical System5 (29%)
  2. Engine5 (29%)
  3. Collision Avoidance & Cameras5 (29%)
  4. Brakes4 (24%)
  5. Transmission & Powertrain4 (24%)
  6. Steering2 (12%)
  7. Airbags1 (6%)
  8. Fuel System1 (6%)
  9. Lane Departure1 (6%)
  10. Other1 (6%)

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

What owners report

  • Some owners report the vehicle catching fire while parked, with smoke and flames spreading from the hood before the vehicle was engulfed.
  • Owners describe the adaptive cruise control and Forward Collision Warning failing to detect a hazard ahead, with Automatic Emergency Braking not engaging.
  • Some drivers report the automatic steering system following the wrong lane stripe and pulling the car toward the median at highway speed.
  • Owners describe sudden unexpected braking or automatic speed reduction on the highway, sometimes with a rear-collision warning icon appearing on the dashboard.
  • Some owners report the digital instrument cluster display randomly going dark while driving, hiding the speedometer, tachometer, and gear indicator.
  • Owners report the rearview camera failing to show an image while backing up, defeating the back-over prevention system.
2019 Mercedes-Benz E 450 complaints: complaints filed per month2Jan 2019May 2021Feb 2023Aug 2023Aug 2024Mar 2025Jun 2025May 2026
17 complaints filed with NHTSA from Jan 2019 to May 2026; peak Jan 2021 (2).

2019 Mercedes-Benz E 450 recalls

12 NHTSA recall campaigns list this model year.

  1. NHTSA 25V023000Jan 17, 2025Suspension, Wheels & Tires165 vehicles

    Tires

    Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018 E 400 Cabriolet, E 400 Coupe, 2019 E 450 Cabriolet, and E 450 Coupe vehicles. The tires were incorrectly marked with the wrong maximum inflation pressure and may not meet the strength requirements for the stated pressure. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 139, "New Pneumatic Radial Tires for Light Vehicles."

    Risk: Tires inflated to an incorrect maximum pressure may have insufficient strength, allowing the tires to fail and increasing the risk of a crash.

    Remedy: Dealers will inspect and replace the tires as necessary, free of charge. Owner notification letters were mailed March 7, 2025. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2025010008.

  2. NHTSA 22V365000May 20, 2022Electrical System242,722 vehiclesOver-the-air fix

    Electrical system:software

    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 the emergency call (eCall) system.

    Risk: 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.

    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. Owner notification letters will be mailed in phases, on July 8, 2022, May 17, 2024, July 29, 2024, and September 27, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's numbers are for this recall is 2022060005 and 2023110006.

  3. NHTSA 22V232000Apr 8, 2022Collision Avoidance & Cameras126,443 vehicles

    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. 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."

    Risk: An inoperable rearview camera display reduces the driver's rear view, increasing the risk of a crash.

    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. MBUSA's number for this recall is 2022060007.

See all 12 recalls for the 2019 Mercedes-Benz E 450 →

2019 Mercedes-Benz E 450 fuel economy and fuel cost

City
19.5 MPG
Highway
26.5 MPG
Combined
22.5 MPG
Annual fuel cost (EPA)
$3,550
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.

2019 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
2019Avoid100171222.5
2020Caution608722.5
2021Caution2071425

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

Frequently asked questions

Is the 2019 Mercedes-Benz E 450 a bad year?
Among the 6 model years with data, 2019 has the highest complaint index (100) and ranks 1st worst, so it carries an Avoid verdict relative to other E 450 years.
What are the most common problems on the 2019 E 450?
NHTSA complaints are led by Electrical System, Engine, and Collision Avoidance & Cameras issues, each making up 29% of complaints, followed by Brakes and Transmission & Powertrain at 24% each.
How many recalls does the 2019 E 450 have?
NHTSA lists 12 recall campaigns for the 2019 E 450, covering areas including electrical software, seat belts, rear spoiler mounting, and radar sensor software; none are do-not-drive recalls.
At what mileage do 2019 E 450 problems typically show up?
The median mileage at failure for this year is 7,200 miles, though individual problem areas range from a median of 1,000 miles for steering complaints up to 20,000 miles for engine and electrical complaints.
How does the 2019 E 450 compare to the 2023 model?
The 2023 E 450 also has 17 complaints but a lower complaint index of 80 and fewer recalls (4 versus 12), though it still carries an Avoid verdict.

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.