2019 Mercedes-Benz E 450 Problems
- Complaints
- 17filed with NHTSA
- Median mileage
- 7,200miles, 5 complaints with mileage
- Recalls
- 12campaigns on record
- Trend
- RisingComplaints filed in the last 3 full calendar years are at least 25% higher than in the 3 years before.
- NHTSA crash rating
- 5 / 5stars overall, 4 rated versions
- EPA fuel economy
- 23 mpgcombined, 3.0L 6-cyl RWD · 20 city / 27 hwy
Sources: NHTSA records for the 2019 Mercedes-Benz E 450 (complaints, recalls, investigations), NHTSA crash tests, EPA fuel economy. Report an error
NHTSA recorded 17 consumer complaints for the 2019 Mercedes-Benz E 450. The part named most often is electrical system, with 5 complaints (29% of the total), followed by brakes (4) and engine (4). 5 of the complaints include a mileage, and 100% of those were filed for vehicles with under 50,000 miles; the median is 7,200 miles. Of all complaints, 1 involved a crash, 1 a fire, 2 an injury, according to the filers. NHTSA lists 12 recall campaigns and 243 technical service bulletins for this model year. Electrical system complaints overlap with 2 recall campaigns and 91 technical service bulletins filed under the same part. Brakes complaints overlap with 5 technical service bulletins filed under the same part.
This model year has fewer than 25 complaints on record, so the numbers below can change a lot with a few new reports.
Which parts are reported most
Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.
- Electrical system5 29%
- Brakes4 24%
- Engine4 24%
- Steering2 12%
- Air bags1 5.9%
- Engine cooling1 5.9%
- Exterior lighting1 5.9%
Also reported: Fuel system (1), Lane departure (1), Other or unknown (1), Seat belts (1), Seats (1), Vehicle speed control (1).
Example complaints
Electrical system: “I parked the vehicle in a parking lot. I walked away and it immediately started smoking. Shortly after that, flames appeared coming from the hood. Shortly after that, the entire vehicle was engulfed in flames.”
NHTSA complaint #11726787, filed 2026-03Brakes: “Driving at 75 MPH, car suddenly decelerated to approx 45mph without warning. A triangle with red image of the car's rear appeared on screen. I gradually increased speed back up to 70 MPH and same problem occurred. Car is 2 yrs old with 7200 miles on it. M-b dealership has the car now.”
NHTSA complaint #11387009, filed 2021-01, 7,200 milesEngine: “I was driving about 30 mph and getting on to the highway. Once I got on a beep came on from the car and every single warning light came on the car. Check engine all warnings including emergency brake collision warning the list goes on and on. I immediately got off the highway and once I got to a complete stop the car was barely accelerating. I wasn’t able to shift gears from drive I was stuck in drive. Couldn’t park the car reverse or anything. I had to turn the car off. The car didn’t turn on and then after 5 minutes it turned back on. …”
NHTSA complaint #11668083, filed 2025-06Transmission and drivetrain: “The primary failure involved the electrical system and speed control, which posed a significant safety risk to myself and other drivers. The issue first presented itself when I noticed intermittent warning lights and error messages flashing on the dashboard, including indicators for the electronic stability program (ESP), steering assist, and lane tracking features. These malfunctions created erratic driving conditions, including unexpected acceleration delays and inconsistent cruise control behavior. …”
NHTSA complaint #11658594, filed 2025-05Mileage when problems were reported
100% of the 5 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 3,700 and 10,300 miles.
Complaints by year filed
Trend: rising. Complaints filed in the last 3 full calendar years are at least 25% higher than in the 3 years before.
Crash test ratings
NHTSA's 5-Star Safety Ratings for the 2019 Mercedes-Benz E 450. Frontal results are shown driver / passenger; rollover shows the star rating and NHTSA's estimated risk of rolling over in a single-vehicle crash.
| Version | Overall | Frontal | Side | Side pole | Rollover |
|---|---|---|---|---|---|
| E-Class · sedan 4WD | ★★★★★ | 5 / 5 | 5 | 5 | 5 · 9.7% risk |
| E-Class · wagon 4WD | ★★★★★ | 5 / 5 | 5 | 5 | 5 · 9.7% risk |
| E-Class · wagon RWD | ★★★★★ | 5 / 5 | 5 | 5 | 5 · 9.7% risk |
| E-Class · sedan RWD | ★★★★★ | 5 / 5 | 5 | 5 | 5 · 9.7% risk |
Driver aids listed by NHTSA for the 2019 model year: forward collision warning standard, lane departure warning optional, automatic emergency braking standard.
Neighbouring years: 2020: same overall rating. A redesign between years can change both the car and the test.
Source: NHTSA New Car Assessment Program (5-Star Safety Ratings), nhtsa.gov/ratings.
Fuel economy and running cost
EPA ratings for each 2019 Mercedes-Benz E 450 version. Annual fuel cost is the EPA's estimate at its current fuel prices for 15,000 miles a year (55% city driving).
| Version | Engine | Transmission | City | Hwy | Comb. | Fuel / yr |
|---|---|---|---|---|---|---|
| E450 Convertible RWD | 3.0L 6-cyl | 9-speed automatic | 20 | 27 | 23 | $3,550 |
| E450 Coupe RWD | 3.0L 6-cyl | 9-speed automatic | 20 | 28 | 23 | $3,550 |
Source: U.S. EPA and Department of Energy, fueleconomy.gov. Ratings are for comparing vehicles; real-world mileage varies with driving and conditions.
Recalls and investigations
- 25V023000Jan 17, 2025TiresCovers: Mercedes-Benz E 450 2019, E400 2018
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…
- 22V365000May 20, 2022Communication › Auto crash notificationCovers: Mercedes-Benz E 450 2019–2021, GLS 450 2017–2021, C300 2017–2021 +48 more
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…
- 22V232000Apr 8, 2022Back over prevention › Display functionCovers: Mercedes-Benz E 450 2019–2021, C300 2019–2021, AMG C43 2019–2021 +27 more
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…
- 21V058000Feb 5, 2021Communication › Auto crash notificationCovers: Mercedes-Benz E 450 2019–2021, C300 2016–2021, CLA250 2016–2021 +65 more
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…
- 20V449000Jul 31, 2020Electrical system › SoftwareCovers: Mercedes-Benz E 450 2019, E300 2017–2019, S560 2018–2019 +4 more
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2019 C300, C300 Coupe, CLS450, E450 Coupe and S450, 2017-2019 E300, 2018 E400 Coupe, E400 Stationwagon, and 2018-2019 S560 vehicles that have previously had the instrument cluster replaced. The software in…
- 19V788000Nov 1, 2019Seat beltsCovers: Mercedes-Benz E 450 2019, E300 2018–2019, AMG E63S 2018–2019 +13 more
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2018 E400 Wagon 4MATIC, E400 4MATIC, E43 AMG 4MATIC, 2018-2019 E63S AMG 4MATIC Wagon, E63 AMG 4MATIC Wagon, E300, E300 4MATIC, GLC63S Coupe AMG 4MATIC, 2019 CLS450, CLS450 4MATIC, CLS53 AMG 4MATIC, E450…
See all 12 recalls for the 2019 Mercedes-Benz E 450 → · Check a VIN at nhtsa.gov/recalls
Technical service bulletins
TSBs are manufacturer notes to dealers about known repair procedures. They are not recalls and do not by themselves mean a vehicle has a fault. 243 on record; the latest 10 are shown.
- 11038188Sep 26, 2026Steering. 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…
- 11038187Sep 26, 2026Transmission and drivetrain. 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…
- 11038183Sep 25, 2026Steering. Complaint Noises in the steering column area when steering. See example file in the attachments area: "MRSM‑Schleifgeräusch_SCCMGrindingNoises. MOV". Cause Under analysis. Remedy Check which area of…
- 11038186Sep 22, 2026Brakes. 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…
- 11038176Sep 17, 2026Engine. 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…
- 11038217Sep 14, 2026Body and structure. 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…
- 11037987Sep 14, 2026Transmission and drivetrain. 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…
- 11037616Sep 4, 2026Transmission and drivetrain. 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…
- 11037228Aug 28, 2026Steering. 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…
- 11036511Aug 24, 2026Electrical system, Body and structure. 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…
Other model years of the Mercedes-Benz E 450
| Year | Complaints | Median mi | Recalls | Crash ★ | MPG | Score (50 = typical) | Trend |
|---|---|---|---|---|---|---|---|
| 2023 | 17 | 600 | 4 | 5 | 25 | — | Too new |
| 2022 | 11 | 400 | 5 | 5 | 25 | — | Not enough data |
| 2021 | 7 | 1,000 | 14 | 5 | 25 | — | Not enough data |
| 2020 | 9 | 41,000 | 7 | 5 | 23 | — | Not enough data |
| 2019 | 17 | 7,200 | 12 | 5 | 23 | — | Rising |
All Mercedes-Benz E 450 model years
Frequently asked questions
How many NHTSA complaints does the 2019 Mercedes-Benz E 450 have?
NHTSA recorded 17 consumer complaints for the 2019 Mercedes-Benz E 450 as of Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
What part of the 2019 Mercedes-Benz E 450 is reported most often?
Electrical system is named most often, in 5 complaints (29% of the total), followed by brakes with 4.
Has the 2019 Mercedes-Benz E 450 been recalled?
NHTSA lists 12 recall campaigns for this model year. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.
How did the 2019 Mercedes-Benz E 450 do in NHTSA crash tests?
NHTSA's 5-Star Safety Ratings give the 2019 Mercedes-Benz E 450 5 out of 5 stars overall, across 4 rated versions (body style and drive). Ratings from different model years are only comparable when the vehicle was not redesigned in between.
What gas mileage does the 2019 Mercedes-Benz E 450 get?
The EPA rates the 2019 Mercedes-Benz E 450 (E450 Convertible, 3.0L 6-cyl) at 23 mpg combined, 20 city and 27 highway, with an estimated annual fuel cost of $3,550 at 15,000 miles a year. Other engine and drive versions are rated differently.
At what mileage are problems with the 2019 Mercedes-Benz E 450 reported?
Among the 5 complaints that include a mileage, the median is 7,200 miles and the middle half falls between 3,700 and 10,300 miles; 100% were filed for vehicles with under 50,000 miles.
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Crash ratings are from NHTSA’s New Car Assessment Program. Fuel economy is from the EPA and DOE (fueleconomy.gov).
Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.