AutoDefect IQ

2023 Mercedes-Benz E 450 problems, complaints & recalls

Most-reported problem areas: Power Train (4) · Tires:pressure Monitoring And Regulating Systems (3) · Engine (3)

🧭 Reliability snapshot

80 /100
✓ Typical or better for this model

Compared against other Mercedes-Benz E 450 model years — complaint volume vs the model's median year, recalls and severity. How we score →

17
Complaints
4
Recalls
174
Service bulletins
0
Crashes reported
0
Fires reported
0
Deaths

Safety recalls (4)

Electrical System:wiring 2024-02-09 · campaign 24V100000 · 12,191 vehicles

Defect: 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.

Fix: 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.

Fuel System, Gasoline:delivery:fuel Pump 2023-12-21 · campaign 23V880000 · 79,676 vehicles

Defect: 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.

Fix: 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.

Electrical System:adas:blindspot:sensors 2023-08-11 · campaign 23V574000 · 880 vehicles

Defect: 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.

Fix: 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.

Fuel System, Gasoline:delivery:fuel Pump 2023-06-26 · campaign 23V445000 · 143,551 vehicles

Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021-2023 C-Class, E-Class, S-Class, CLS, SL, GT, GLC, GLE, GLS, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle details. The fuel pump may shutdown, which can result in a loss of drive power.

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

Fix: Dealers will replace the fuel pump, free of charge. Owner notification letters were mailed on June 14, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2023070012.

Service bulletins (174)

Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.

Steering 2026-09-26 · LI46.10-P-080896 · Service Bulletin/Repair Instructions

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.

Power Train 2026-09-26 · LI27.00-P-073124 · Service Bulletin/Repair Instructions

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 predictive repair (ipr) has been developed a

Engine 2026-09-26 · LI18.00-P-073137 · Service Bulletin/Repair Instructions

complaint sporadic warning message in instrument cluster "engine oil pressure, stop switch off vehicle" (or similar) is shown in red on vehicles with low mileage. cause directional control valve may stick. remedy 1‑ read off oil level in instrument cluster and correct if necessary. 2‑ perform approx

Service Brakes 2026-09-22 · LI42.10-P-078779 · Service Bulletin/Repair Instructions

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 braking. cause although the cause of the vibra

Engine 2026-09-17 · LI20.10-P-075374 · Service Bulletin/Repair Instructions

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 tight. correct any problems and retest p

Structure:body 2026-09-14 · LI82.62-P-078631 · Service Bulletin/Repair Instructions

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 working towards the speaker and if necessary,

Showing the 6 most recent of 174 bulletins. Search all of them free at nhtsa.gov.

What owners report

2026-06-02 · Engine · 25,000 mi

“the contact owns a 2023 mercedes-benz e-class. the contact stated while driving at an undisclosed speed, the engine seized. the contact stated that the failure occurred while making a left turn. in addition, a malfunction error message illuminated. the contact stated while attempting to start the vehicle, the vehicle failed to start with the push t…”

2026-04-22 · Vehicle Speed Control:cruise Control · 15,500 mi

“the contact owns a 2023 mercedes-benz e450. the contact stated that while driving at various speeds with the cruise control activated, a yellow "active lane keeping assistance is inoperable" message was displayed, followed by a red "emergency braking to begin" message displayed on the instrument panel. to prevent the failure, the contact immediatel…”

2025-10-29 · Tires:pressure Monitoring And Regulating Systems

“re: continental pro contact gx ssr moe 245/40 r19 98 h m+s original factory installed mercedes e450 tires. i had 3 blowouts from hitting small potholes on 3 different tires in 1.5 years. these are complete immediate blowout going completely flat on impact. it could have very dangerous if i were driving a little faster and fortunately there…”

2025-10-29 · Tires:pressure Monitoring And Regulating Systems

“re: continental pro contact gx ssr moe 245/40 r19 98 h m+s original factory installed mercedes e450 tires. i had 3 blowouts from hitting small potholes on 3 different tires in 1.5 years. these are complete immediate blowout going completely flat on impact. it could have very dangerous if i were driving a little faster and fortunately ther…”

2025-06-17 · Tires · 50 mi

“the contact owns a 2023 mercedes-benz e450 convertible equipped with continental tires, tire line: procontact gx ssr, tire size: 245/40/r19, dot number: 16yof989f4623. the contact stated that while driving at an undisclosed speed over a bumpy road surface, the front driver's side tire experienced a blowout several times, requiring the vehicle to be…”

2025-05-23 · Electrical System

“i am submitting this complaint regarding serious and repeated electronic failures in my 2023 mercedes-benz e 450 that pose a significant safety risk to myself and other drivers on the road. the vehicle has experienced complete dashboard failures on multiple occasions, including the loss of speedometer, fuel gauge, and gear shift indicators. most cr…”

2025-02-04 · Back Over Prevention: Sensing System: Camera

“my vehicle is equipped with a camera system which, when in reverse gear, displays objects/people behind the vehicle and, when going forward to park, displays objects/vehicles ahead. for the first 11 months of ownership, the system has worked properly. for the last 6 months the system has worked intermittently. the vehicle, purchased new, is unde…”

2024-11-30 · Power Train

“while driving, malfunction warning flashed on dash, followed by 48v malfunction warning, then engine coolant overheat warning. the car then went into limp mode and finally stopped completely. luckily this occurred on a residential street and not on a high speed freeway - the car gave very little warning before drastically reduced speed and shuttin…”

2024-09-12 · Fuel/Propulsion System

“the fuel pump on my vehicle failed multiple times, including coming off start / stop at traffic lights, as well as when being started. when at a stop light turning from red to green, my car did not respond, putting me in danger of being hit from behind. the vehicle is being repaired under warranty at a manufacturer dealership. it appears this is…”

Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.

Other Mercedes-Benz E 450 years