AutoDefect IQ

2019 Mercedes-Benz E 450 problems, complaints & recalls

Most-reported problem areas: Service Brakes (3) · Steering (2) · Power Train (2)

🧭 Reliability snapshot

77 /100
⚠ Buy with caution

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
12
Recalls
243
Service bulletins
1
Crashes reported
1
Fires reported
0
Deaths

Safety recalls (12)

Tires 2025-01-17 · campaign 25V023000 · 165 vehicles

Defect: 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.

Fix: 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.

Communication: Auto Crash Notification 2022-05-20 · campaign 22V365000 · 242,722 vehicles

Defect: 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.

Fix: 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.

Back Over Prevention:display Function 2022-04-08 · campaign 22V232000 · 126,443 vehicles

Defect: 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.

Fix: 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.

Communication: Auto Crash Notification 2021-02-05 · campaign 21V058000 · 1,292,258 vehicles

Defect: 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 Part 573 report for specific vehicle model details. The software design of the communication module may fail to communicate the correct vehicle location for the emergency call system (eCall) in the event of a crash.

Risk: Failure of the eCall system may result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.

Fix: MBUSA will notify owners, and the communication module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. The recall began March 12, 2021. Owners may contact MBUSA customer service at 1-877-762-8267. MBUSA's number for this recall is 2021020025.

Electrical System:software 2020-07-31 · campaign 20V449000 · 56 vehicles

Defect: 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 the replaced instrument cluster may cause the seat belt warning system to not operate properly, only displaying a solid warning light if either the driver or passenger seat belt is unfastened, instead of a blinking light with an audible ton

Risk: Without the audible tone and blinking warning light to remind the front seat occupants that their seat belts are not buckled, they may forget to buckle their seat belt, increasing their risk of injury in the event of a crash.

Fix: MBUSA will notify owners, and dealers will update the instrument cluster software, free of charge. The recall began September 8, 2020. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2020080015.

Seat Belts 2019-11-01 · campaign 19V788000 · 29,720 vehicles

Defect: 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 Wagon, E53 AMG 4MATIC, GLC300, GLC63 AMG Coupe 4MATIC, G550 4MATIC, G63 AMG, GLC300 Coupe 4MATIC, GLC300 4MATIC, GLC350e 4MATIC, GLC43 AMG Coupe 4MATIC, GLC43 AMG 4MATIC, GLC63 AMG 4MATIC, GT63 AMG four-door 4MATIC, and GT63S AMG four-door 4MAT

Risk: The electric PRE-SAFE®-function and the seat belt pretensioners may not deploy during a crash, increasing the risk of injury.

Fix: MBUSA will notify owners, and dealers will inspect the front seat belt buckles, replacing them as necessary, free of charge. The recall began March 13, 2020. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2020020017.

Structure:body 2019-09-23 · campaign 19V676000 · 4,765 vehicles

Defect: Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2019 E450 4MATIC Wagon, 2017-2018 E400 4MATIC Wagon, and 2018-2019 E63S 4MATIC Wagon vehicles. The rear spoiler may detach.

Risk: If the spoiler detaches while driving, it can become a road hazard, increasing the risk of a crash.

Fix: MBUSA will notify owners, and dealers will inspect and correct the mounting of the spoiler, as necessary, free of charge. The recall began October 18, 2019. Owners may contact MBUSA customer service at 1-800-367-6372. Note: This recall is an expansion of NHTSA recall number 18V-849. MBUSA's number for this recall is 2019090008.

Forward Collision Avoidance: Sensing System: Radar 2019-07-19 · campaign 19V540000 · 1,957 vehicles

Defect: Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2019 C300 Cabrio, C300A Cabrio 4MATIC, C300 Coupe, C300 Coupe 4MATIC, C300, C300 4MATIC, C43 AMG Cabrio 4MATIC, C43 AMG Coupe 4MATIC, C43 AMG 4MATIC, C63 AMG Cabrio, C63S AMG Cabrio, C63 AMG Coupe, C63S AMG Coupe, C63 AMG, C63S AMG, CLS450, CLS450 4MATIC, CLS53 AMG 4MATIC, E300, E300 4MATIC, E450 Cabrio, E450 Cabrio 4MATIC, E450 Coupe, E450 Coupe 4MATIC, E450 Wagon 4MATIC, E450 4MATIC, E53 AMG Cabrio 4MATIC, E53 AMG Coupe 4MATIC, E53 AMG 4MATI

Risk: An impaired Active Brake Assist may not automatically apply partial or full braking as expected, increasing the risk of a crash.

Fix: MBUSA will notify owners, and dealers will update the radar sensor control unit software, free of charge. The recall began September 13, 2019. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2019080008.

Structure:body 2018-11-29 · campaign 18V849000 · 16 vehicles

Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019 Mercedes-Benz E450 4Matic Wagon and E63S AMG Wagon vehicles. The affected vehicles have a tailgate mounted spoiler that may not be properly attached and therefore could detach while driving.

Risk: If the tailgate mounted spoiler detaches while driving, it can become a road hazard, increasing the risk of a crash.

Fix: MBUSA will notify owners, and dealers will inspect and correct the mounting of the spoiler, as necessary, free of charge. The recall began December 19, 2018. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2018120002.

Steering:rack And Pinion:rack 2018-11-29 · campaign 18V850000 · 6,373 vehicles

Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2015-2016 Mercedes Benz C300, 2017-2019 C300 Cabrio, C300 Coupe, C63 Cabrio, 2015 C63S AMG, 2018-2019 C300, C350e, C63 AMG, C63S AMG Cabrio, 2018 C63 AMG Cabrio, C63 AMG Coupe, C63S AMG, C63S AMG Coupe, E300, E400 Cabrio, E400 Coupe, 2019 CLS450, E450 Cabrio, and E450 Coupe rear-wheel drive vehicles. A locknut in the steering rack may break under high load, possibly causing the steering to become stuck in one position.

Risk: A car that cannot be properly steered has an increased risk of a crash.

Fix: MBUSA will notify owners, and dealers will replace the steering rack, free of charge. The recall began August 23, 2019. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2019080012.

Seat Belts 2018-11-27 · campaign 18V839000 · 4,969 vehicles

Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019 C300 4Matic Cabriolet, C43 AMG Cabriolet, C300 Cabriolet, C300 Coupe, C300 4Matic Coupe, C43 AMG Coupe, E450 Coupe, E53 AMG Cabriolet, S450, S560, E450 Cabriolet, E450 4Matic Cabriolet, E450 4Matic Coupe, E53 AMG Coupe, S450 4Matic, S560 4Matic, S63 AMG and S65 AMG vehicles and Mercedes-Mayback S650 and S560 4 Matic vehicles. A correctly fastened seatbelt may be inaccurately detected as being unfastened, preventing the seat belt pre-tensi

Risk: If the seat belt tensioning does not activate in the event of a crash, it can increase the risk of injury.

Fix: MBUSA will notify owners, and dealers will replace the seat belt buckles, free of charge. The recall began March 18, 2019. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2019020012.

Electrical System:software 2018-10-29 · campaign 18V761000 · 119 vehicles

Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019 Mercedes-Benz C300, C300 4Matic, C300 4Matic Cabrio, C300 4Matic Coupe, C300 Coupe, C300 Cabrio, C43 AMG, C43 AMG Cabrio, C43 AMG Coupe, CLS450, CLS450 4Matic, CLS53 AMG 4Matic, E53 AMG 4Matic, E450 4Matic, E450 4Matic Coupe, E53 AMG 4Matic Coupe, G550, and G63 AMG vehicles. The Central Powertrain Controller (CPC) control unit could reset while driving, possibly causing an engine stall.

Risk: An engine stall can increase the risk of a crash.

Fix: MBUSA will notify owners, and dealers will update the CPC control unit software, free of charge. The recall began April 12, 2019. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2019030012.

Service bulletins (243)

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

Steering 2026-09-25 · LI46.10-P-077314 · Service Bulletin/Repair Instructions

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 the steering column the noises occur in. do the noises tend to occur at the bottom in the driver foot

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 243 bulletins. Search all of them free at nhtsa.gov.

What owners report

2026-05-31 · Service Brakes · 💥 crash

“while traveling at highway speeds with adaptive cruise control safety systems engaged, the vehicle failed to detect a hazard immediately ahead in its lane. the forward collision warning failed to alert the driver, and the automatic emergency braking (aeb) failed to initiate automated emergency deceleration. manual emergency braking was attempted by…”

2026-05-15 · Power Train

“backgroud: recall #26v216 recalls classes of mercedes vehicles for u-joint failures. my vehicle - 2019 e460 4matic wagon is included in this class under the notice (vehicle #6 [xxx] ) issue: i took my vehicle to the dealer on monday, 5/11 because of a hard knocking sound when i de/accelerate. dealer inspected and noted that my ujoint has failed…”

2026-03-24 · Fuel/Propulsion System · 🔥 fire

“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. …”

2025-06-20 · Power Train

“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…”

2025-05-02 · Vehicle Speed Control

“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 …”

2025-03-31 · Back Over Prevention · 10,300 mi

“the contact owns a 2019 mercedes-benz e450. the contact stated that while reversing, the rearview camera failed to display an image of the rear of the vehicle, compromising the back over prevention system. no warning lights were illuminated. the vehicle was taken to the dealer, who diagnosed a failure with the rearview camera display. the vehicle w…”

2024-12-20 · Back Over Prevention: Sensing System: Camera

“rear camera door doesn't open to allow camera to work…”

2024-08-18 · Unknown Or Other

“my tempered glass sunroof exploded while driving at 70 mph on a clear, sunny, 86 degree afternoon sending the glass shards throughout the interior of the car. no warning or damage to the vehicle roof preceded the explosion. there was a very loud noise followed by the safety glass raining down on myself and my wife. it occurred while driving on the …”

2024-07-30 · Seat Belts

“the driver and passenger seat belts do not retract at all.…”

2023-08-07 · Service Brakes

“the car will apply electronic parking brake when put into park. if the brake is wet due to rain and the car sits overnight or for 12 hours or more, the brake sticks to the rotor. the brake will not release unless you press down on the accelerator creating a safety hazard as the car will jerk forward or in reverse. i've raised this with the mb de…”

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

Other Mercedes-Benz E 450 years