Complaints over time
Complaints about the 2019 Mercedes-Benz E 450 4MATIC Coupe by year filed
Owner complaints about this model year, by the year they were filed with NHTSA.
Source: NHTSA ODI complaints file. The lighter column runs through October.
Model year
2019 Mercedes-Benz E 450 4MATIC Coupe
Convertible, gasoline, AWD/All-Wheel Drive, built in Germany. Owner complaints on file from Jun 11, 2026 to Jun 11, 2026.
Recall campaigns covering this model year124k vehicles or units across those campaigns
Owner complaints1Below the median 2019 convertible
Severity index0.02019 convertibles average 7.0
First 24 months0Complaints in its first two years
Components
100% of complaints about the 2019 Mercedes-Benz E 450 4MATIC Coupe name powertrain
Owner complaints by component. Hover or focus a bar for the crash, fire, injury or death count.
Source: NHTSA ODI complaints file. A complaint can name more than one component; it is counted under the first.
Recalls
One recall campaign covers the 2019 Mercedes-Benz E 450 4MATIC Coupe
Check a specific vehicle by VIN on NHTSA's site: a campaign may cover only part of a model year's production.
| Campaign | Filed | Subject | Component | Vehicles | Remedy |
|---|---|---|---|---|---|
| 26V-216 | Apr 3, 2026 | Drive shaft universal joint may break, resulting in a sudden loss of drive power | Powertrain | 24,092 | Part replacement |
Source: NHTSA ODI recalls file.
Owner complaints
What owners reported about the 2019 Mercedes-Benz E 450 4MATIC Coupe
The full text of every complaint filed with NHTSA about this model year, newest first. Complaints are filed by owners and are not verified by NHTSA; NHTSA removes personal details before publishing.
1 complaint on file, page 1 of 1.
- Filed Jun 11, 2026Failure May 14, 202646,000 milesHouston, TXPower train
The contact owns a 2019 Mercedes-Benz E450 4Matic. The contact stated while driving at 40 MPH, the vehicle failed to accelerate as intended and made an abnormal clunking sound. There was no warning light illuminated. The contact had received the recall notification letter of NHTSA Campaign Number 26V216000 (Power Train). The vehicle was taken to the local dealer, who confirmed the parts were backordered. The vehicle was not diagnosed or repaired. The manufacturer was not contacted. The failure mileage was approximately 46,000.
NHTSA complaint 11743443
Source: NHTSA ODI complaints file.
Investigations
NHTSA has not opened an investigation on this model year
Source: NHTSA ODI investigations file.
Service bulletins
31 manufacturer communications cover this model year
Technical service bulletins and other notices the manufacturer sent to dealers. A bulletin is not a recall.
- LI27.00-P-073124 Sep 4, 2026 · 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 … - LI46.35-P-067339 Aug 28, 2026 · Service Bulletin/Repair Instructions
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 system when steering (see attachment). Complaint does not imp… - CL - Tank Leak Detection Aug 15, 2026 · Warranty Program/Extension
Dear Mercedes-Benz Owner: In our continuing efforts to ensure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA is extending the warranty coverage for the Diagnostic Module for Tank Leakage … - LI72.20-P-075746 Aug 24, 2026 · Service Bulletin/Repair Instructions
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 As of the 6th generation, the vehicle key can be recoded so… - LI82.85-P-079087 Aug 6, 2026 · Service Bulletin/Repair Instructions
Complaint A popup is seen on the HU with the message "data connection temporarily not available". Potentially affected functionalities in NTG4.5, NTG5 1.Weather 2.Local Search 3.IP Radio 4.Send2Car 5.Speech Detection Service 6.Navigation 7.iHeartRadio 8.Tra… - LI82.62-P-078631 Aug 6, 2026 · 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 wor… - LI27.00-P-075630 Aug 5, 2026 · Service Bulletin/Repair Instructions
Complaint This document is intended as a pre-case diagnostic reference for transmission related concerns. It will also ensure that if a case is necessary, all supporting documentation is available. This should not be used on its own as justification for cre… - LI27.00-P-080840 Aug 4, 2026 · Service Bulletin/Repair Instructions
Complaint Mercedes-Benz USA is currently experiencing limited availability of transmission fluid specification ATF 236.17 due to a global supply constraint. 236.17 ATF 1L and 5L (PNs: A002989060312 and A002989060313) bottles are out of stock or in limited s… - EW - DMTL Jul 31, 2026 · Warranty Program/Extension
This NCU replaces the prior NCU issued on May 15, 2025, and contains additional MY 2023 and MY 2024 vehicles which are highlighted below. In our continuing efforts to ensure the proper performance of Mercedes-Benz products and to enhance the satisfaction of… - LI35.30-P-058566 Jul 14, 2026 · Service Bulletin/Repair Instructions
Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The noise is heard once in each instance when changing direction of travel. Note: Sound file in attachment Cause If the complaint is eliminated by exp… - LI33.20-P-078406 Jul 8, 2026 · Service Bulletin/Repair Instructions
Complaint Creaking noise, in irregular sequence when driving slowly in combination with slight steering movements and/or Creaking/crackling noises from the area of the wheel bearing on the front axle when cornering/ maneuvering. Sound file attached for comp… - LI33.20-P-078406 Jul 7, 2026 · Service Bulletin/Repair Instructions
Complaint Creaking noise, in irregular sequence when driving slowly in combination with slight steering movements and/or Creaking/crackling noises from the area of the wheel bearing on the front axle when cornering/ maneuvering. Sound file attached for comp… - PSL-NCU Return Parts 6/19 Jun 19, 2026 · Other
Dear Mercedes-Benz USA Dealers, The part numbers listed in the chart below should no longer be installed, and any existing stock must be returned to your facing PDC. The deadline for all dealer returns is no later than Thursday, July 9, 2026. After July 9th… - LI00.20-P-080703 Jun 12, 2026 · Service Bulletin/Repair Instructions
Complaint Service code B1 displayed in the customer menu does not match the workshop code displayed in the workshop menu, e.g., 505 or 550A, which includes a service A. Cause The root cause is currently being investigated. Remedy To determine the cause, the… - LI82.85-P-080507 May 26, 2026 · Service Bulletin/Repair Instructions
Complaint After successful commissioning of the HERMES control unit (N112/9) with XENTRY Diagnosis DVD 03/2026, the message "SOS - service not activated" appears on the instrument cluster. In addition, the following two conditions are also met: • HERMES (N1… - PSL-NCU Return Parts 5/22 May 22, 2026 · Other
Dear Mercedes-Benz USA Dealers, The part numbers listed in the chart below should no longer be installed, and any existing stock must be returned to your facing PDC. The deadline for all dealer returns is no later than Thursday, June 11, 2026. After June 11… - LI82.85-P-080559 May 26, 2026 · Service Bulletin/Repair Instructions
Complaint The customer requests deactivation of the N112/9 HERMES communication module Note: Deactivation of the HERMES control unit (N112/9) is not supported for gray-market vehicles. Cause Before deactivating the HERMES control unit (N112/9), it must be c… - LI82.30-P-059239 May 19, 2026 · Service Bulletin/Repair Instructions
Complaint There are several types of complaint about noises or poor windshield wiper wiping performance: A: Wiper blades squeaking, chattering, shuddering B: The windshield is not wiped completely (streaking) C: During the downward movement water is pulled … - PSL-NCU Return Parts 5/15 May 15, 2026 · Other
The part numbers listed in the chart below should no longer be installed, and any existing stock must be returned to your facing PDC. The deadline for all dealer returns is no later than Thursday, June 4, 2026. After June 4th, returns of these parts will no… - LI33.20-P-078406 May 12, 2026 · Service Bulletin/Repair Instructions
Complaint Creaking noise, in irregular sequence when driving slowly in combination with slight steering movements and/or Creaking/crackling noises from the area of the wheel bearing on the front axle when cornering/ maneuvering. Sound file attached for comp… - CL - Accelerator Pedal Aug 13, 2022 · Other
Dear Mercedes-Benz Owner: In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA, LLC (“MBUSA”) hereby notifies you of additional benefits regarding your vehic… - CL - Accelerator Pedal Aug 27, 2022 · Other
Dear Mercedes-Benz Owner: In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA, LLC (“MBUSA”) hereby notifies you of additional benefits regarding your vehic… - CL - Accelerator Pedal Aug 19, 2022 · Other
Dear Mercedes-Benz Owner: In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA, LLC (“MBUSA”) hereby notifies you of additional benefits regarding your vehic… - LI77.30-P-070145 Apr 28, 2026 · Service Bulletin/Repair Instructions
Complaint Damaged cords/tensioning cables at the soft top interior trim with the following characteristics: - Cord/tensioning cable torn - Cord/tensioning cable worn - Cord/tensioning cable torn out - Cord/tensioning cable - sheathing damaged Cause High ten… - EW - HVAC Service Oct 29, 2020 · Warranty Program/Extension
This NCU replaces the prior NCUs issued on May 18, June 25, 2020 and October 1, 2020 and contains important workshop instructions on how the HVAC Service Warranty repair must be carried out. To enhance the satisfaction of our customers, avoid further costs … - EW- Accelerator Wiring Aug 5, 2022 · Warranty Program/Extension
Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has extended the warranty for the accelerator pedal wiring harness and connectors from the original New Vehicle Limited Warranty of 4 years/50,000 miles to 10 years/120,000 miles for cer… - LI82.10-P-078301 Apr 16, 2026 · Service Bulletin/Repair Instructions
Complaint Headlamp, front fog lamp leaky or fogged. Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to any technical impairment of the headlamp. If a pressure compensation diaphragm… - LI00.01-P-078887 Apr 24, 2026 · Service Bulletin/Repair Instructions
Complaint The intent of this document is to provide workshops with helpful technical reference language. • Commonly used acronyms in LI's and TIPS cases. • Control unit names, numbers, and how to identify. • Network/wiring architecture groups to baumuster q… - Emissions - 2026020006 Apr 24, 2026 · Emissions
Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles equipped with an 8-cylinder engine, the software of the engine control unit may not correspond to the current specifications. Under specific condit… - LI33.20-P-078406 Apr 17, 2026 · Service Bulletin/Repair Instructions
Complaint Creaking noise, in irregular sequence when driving slowly in combination with slight steering movements and/or Creaking/crackling noises from the area of the wheel bearing on the front axle when cornering/ maneuvering. Sound file attached for comp… - LI72.20-P-075746 Apr 2, 2026 · Service Bulletin/Repair Instructions
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 As of the 6th generation, the vehicle key can be recoded so…
Source: NHTSA manufacturer communications files.