AutoStatsIQ
Data through Oct 2026
Model year

2018 Mercedes-Benz GLC 350 E

SUV, plug-in hybrid, built in Germany. Owner complaints on file from Oct 7, 2022 to Jun 24, 2025.

Recalls (7)Complaints (2)Investigations (1)Bulletins (187)
Recall campaigns covering this model year7734k vehicles or units across those campaigns
Owner complaints2Below the median 2018 suv
Severity index0.02018 suvs average 5.2
First 24 months0Complaints in its first two years
Complaints over time

Complaints about the 2018 Mercedes-Benz GLC 350 E peaked in 2022, with 1 filed

Owner complaints about this model year, by the year they were filed with NHTSA.

00.250.50.751202212023202420252026
Source: NHTSA ODI complaints file. The lighter column runs through October.
Components

100% of complaints about the 2018 Mercedes-Benz GLC 350 E name electrical system

Owner complaints by component. Hover or focus a bar for the crash, fire, injury or death count.

Electrical system
2
Engine and cooling
2
Source: NHTSA ODI complaints file. A complaint can name more than one component; it is counted under the first.
Recalls

7 recall campaigns cover the 2018 Mercedes-Benz GLC 350 E

Check a specific vehicle by VIN on NHTSA's site: a campaign may cover only part of a model year's production.

Recall campaigns for the 2018 Mercedes-Benz GLC 350 E
CampaignFiledSubjectComponentVehiclesRemedy
23V-854Dec 15, 2023Front roof panel located between the windshield and the panoramic sunroof may not have been bonded correctly to the vehicle during a prior repair,…Structure2,976Part replacement
18V-838Nov 27, 2018Status of the passenger side air bag may not display correctlyAirbags104,663Software update
18V-683Oct 1, 2018Seat belt latch plates (the parts that insert into the buckles) for the outboard rear seats may retract into the interior paneling, preventing the…Seat belts4,702Repair or modification
18V-610Sep 11, 2018Front turn signals may have an incorrect color of pink or violetLighting4,702Part replacement
18V-208Mar 29, 2018Housing for the driver side air bag inflator may have been made with defective steelAirbags57Part replacement
18V-177Mar 15, 2018Seat belt latch plates (the parts that insert into the buckles) for the outboard rear seats may retract into the interior paneling, preventing the…Seat belts121,858Repair or modification
17V-627Oct 6, 2017Driver's air bag may unexpectedly deploy due to insufficient grounding of the steering components if an electrostatic discharge occurs and the air…Airbags495,290Not stated
Source: NHTSA ODI recalls file.
Look up a VIN at NHTSA
Owner complaints

What owners reported about the 2018 Mercedes-Benz GLC 350 E

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.

2 complaints on file, page 1 of 1.

  1. Filed Jun 24, 2025Failure Jun 16, 2025San Pedro, CAElectrical system, Engine

    Malfunction and engine light is on. Found p052e present. Recommended replacement of crankcase breather assembly

    NHTSA complaint 11669031
  2. Filed Oct 7, 2022Failure Oct 5, 2022Irvine, CAElectrical system, Engine

    The car wouldn't start. Battery is good. It had multiple codes and code for software update.

    NHTSA complaint 11488329
Source: NHTSA ODI complaints file.
Investigations

1 NHTSA investigation on file

  • EA21002 Engineering analysis, Airbags
    Desiccated Air Bag Inflator Rupture
    Opened Sep 17, 2021, still open
Source: NHTSA ODI investigations file.
All investigations
Service bulletins

187 manufacturer communications cover this model year

Technical service bulletins and other notices the manufacturer sent to dealers. A bulletin is not a recall; the 60 most recent are listed.

  • 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…
  • LI 27.10-P-080851 Aug 29, 2026 · Service Bulletin/Repair Instructions
    Complaint Intermittent shift feel or thud/clunk noise perceived, such as a brief jerk or transmission reaction during certain driving situations. May be most noticeable when transitioning from a coasting condition to accelerator pedal application. May occur…
  • 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…
  • LI54.65-P-080132 Aug 12, 2026 · Service Bulletin/Repair Instructions
    Complaint 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active Parking and Parking Assist Inoperative" on Instrument Cluster 5. Cameras 6. Other Park Topics. Cause Various root causes Remedy See attached di…
  • 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…
  • 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…
  • 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 …
  • LI54.65-P-080132 May 12, 2026 · Service Bulletin/Repair Instructions
    Complaint 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active Parking and Parking Assist Inoperative" on Instrument Cluster 5. Cameras 6. Other Park Topics Cause Various root causes Remedy See attached dia…
  • 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-Intake Line Assembly Aug 9, 2024 · Other
    In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA (“MBUSA”) is extending the coverage for the intake line assembly on your vehicle from the original New V…
  • 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 19, 2022 · Other
    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 vehicle. Mercedes-Benz AG (“MBA…
  • 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…
  • EW - Intake Line Assembly Jul 9, 2024 · Warranty Program/Extension
    This NCU replaces the prior NCUs issued on August 25, 2023, August 31, 2023 respectively and, contains clarification on parts ordering. In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of o…
  • EW-Low Pressure Fuel Hose Aug 20, 2021 · Warranty Program/Extension
    This NCU replaces the prior NCU issued on July 30, 2021 and includes an additional population (33) of certain MY 2018 Baumusters covered under this extended warranty. Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has extended the wa…
  • 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…
  • 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…
  • LI54.65-P-080132 Mar 9, 2026 · Service Bulletin/Repair Instructions
    Complaint 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active Parking and Parking Assist Inoperative" on Instrument Cluster 5. Cameras 6. Other Park Topics Cause Various root causes Remedy See attached dia…
  • LI82.10-P-078301 Mar 9, 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 …
  • LI54.10-P-073164 Mar 4, 2026 · Service Bulletin/Repair Instructions
    Complaint Yellow information message in driver display (instrument cluster): "Switch on motor to charge the 12V battery" Cause The state of charge (SOC) of the 12V battery has dropped to 45% or less. Remedy This warning message appears as soon as the state …
  • LI54.65-P-080132 Feb 28, 2026 · Service Bulletin/Repair Instructions
    Complaint 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active Parking and Parking Assist Inoperative" on Instrument Cluster 5. Cameras 6. Other Park Topics Cause Various root causes Remedy See attached dia…
  • LI82.10-P-078307 Feb 25, 2026 · Service Bulletin/Repair Instructions
    Complaint Headlamps leaking or fogged Cause The fogging of the headlamp is a natural phenomenon which can occur under certain climatic conditions. In contrast to a leaky headlamp, physical fogging does not result in a technical impairment of the headlamp. A…
  • LI82.10-P-078301 Feb 24, 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 …
  • LI82.10-P-078896 Feb 24, 2026 · Service Bulletin/Repair Instructions
    Complaint Headlamps leaking or fogged Cause The fogging of the headlamp is a natural phenomenon which can occur under certain climatic conditions. In contrast to a leaky headlamp, physical fogging does not result in a technical impairment of the headlamp. A…
  • NCU - 2025090001 Feb 13, 2026 · Service Campaign
    Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain subject vehicles, the TIREFIT sealant bottle may not meet specifications. The possibility exists that the sealant bottle may leak or may have otherwise been removed…
  • LI54.65-P-080132 Jan 30, 2026 · Service Bulletin/Repair Instructions
    Complaint 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active Parking and Parking Assist Inoperative" on Instrument Cluster 5. Cameras 6. Other Park Topics Cause Various root causes Remedy See attached dia…
  • LI54.65-P-066284 Dec 18, 2025 · Service Bulletin/Repair Instructions
    Complaint The flap of the reversing camera opens and closes by itself during forward travel several times during the trip. No camera image is displayed in the head unit. The reversing camera or the 360° system functions normally when activated manually or …
  • LI54.65-P-080132 Dec 11, 2025 · Service Bulletin/Repair Instructions
    Complaint 1. General Diagnostic Tips 2. One or More PARK Sensor Activations 3. Red Ring Around Vehicle 4. "Active Parking and Parking Assist Inoperative" on Instrument Cluster 5. Cameras 6. Other Park Topics Cause Various root causes Remedy See attached dia…
  • LI27.60-P-079967 Nov 17, 2025 · Service Bulletin/Repair Instructions
    Complaint The shift from 1st to 2nd gear may be uncomfortable under light load. Cause Vehicles with engine M264 and transmission 725.0 may be equipped with specific software versions. Remedy Update Transmission Software (VGSNAG3). 1. Perform IPR and update …
  • LI20.10-P-074508 Oct 28, 2025 · Service Bulletin/Repair Instructions
    Complaint Check engine lamp illuminated. Fault code stored P012800-The coolant temperature is below the coolant thermostat specified temperature. Cause Various possible causes Remedy 1- Update HVAC with latest software 2- Perform guided test for fault P0128…
  • LI27.19-P-072588 Sep 17, 2025 · Service Bulletin/Repair Instructions
    Complaint Transmission control unit Y3/8n4 (fully integrated transmission control unit (VGS)) not listed in quick test and/or no communication possible with VGS. Cause Transmission control unit Y3/8n4 Remedy For vehicles with 722.9 transmission: Ensure LI54…
  • LI82.85-P-079723 Aug 29, 2025 · Service Bulletin/Repair Instructions
    Complaint Users report that the browser no longer supports search queries entered directly into the address bar. Cause This update is due to Microsoft discontinuing the Bing Search API, which previously supported this feature. Remedy This behavior is consid…
  • LI33.30-P-056665 May 21, 2025 · Service Bulletin/Repair Instructions
    Complaint Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The clunk is heard once when changing from forward to reverse (and vice versa). Note: Sound file in attachment Cause If the complaint is eli…
  • CL - 05012025 May 30, 2025 · Other
    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 detection (“DMTL”) on your…
  • LI54.71-P-078802 May 30, 2025 · Service Bulletin/Repair Instructions
    Complaint MBUX head unit display with red text box "System Inoperative". ONLY for vehicles with SA code (549+21U) or (549+U19). Cause Head unit software variant. Remedy For all chassis use Xentry to update head unit (A26/17). Target boot software number sho…
  • LI68.50-P-079347 May 29, 2025 · Service Bulletin/Repair Instructions
    Complaint Load compartment cover generates a creaking noise during driving when pulled out to covering position. Cause Aluminum cassette scrapes on the inside of the end cap. The contact point causes creaking noises. Remedy Disassemble end caps of load comp…
  • LI82.85-P-079271 May 22, 2025 · Service Bulletin/Repair Instructions
    Complaint After a software update of HERMES communication module N112/9 has been performed on a gray import vehicle, the message "SOS - Service not activated" is displayed in the instrument cluster. Cause The message "SOS - Service not activated" tells the …
  • EW - Tank Leakage May 15, 2025 · Warranty Program/Extension
    In our continuing efforts to ensure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA, LLC (“MBUSA”) is extending the warranty coverage on the Diagnostic Module for Tank Leakage detection (D…
  • LI01.20-P-076894 May 15, 2025 · Service Bulletin/Repair Instructions
    Complaint Check engine light illuminated Fault code stored in N3/10 control unit- P052E71 – Positive Crankcase Ventilation Regulator Valve Performance: The valve for crankcase ventilation has a malfunction Cause The partial-load ventilation valve (a part of…
  • LI54.10-P-071499 May 2, 2025 · Service Bulletin/Repair Instructions
    Complaint The result from the XENTRY battery test does not match the current state of the battery. Cause The XENTRY battery tester uses the stored on-board electrical system data in the SAM module to access the health of the 12 volt battery. The XENTRY batt…
  • LI82.10-P-078896 Apr 28, 2025 · Service Bulletin/Repair Instructions
    Complaint Headlamps leaking or fogged Cause The fogging of the headlamp is a natural phenomenon which can occur under certain climatic conditions. In contrast to a leaky headlamp, physical fogging does not result in a technical impairment of the headlamp. A…
  • LI82.10-P-078301 Apr 28, 2025 · 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. Remedy NOTE: If a pressure compensati…
  • LI01.20-P-076894 Apr 15, 2025 · Service Bulletin/Repair Instructions
    Complaint Check engine light illuminated Fault code stored in N3/10 control unit- P052E71 – Positive Crankcase Ventilation Regulator Valve Performance: The valve for crankcase ventilation has a malfunction Cause The partial-load ventilation valve (a part of…
  • LI82.10-P-079175 Apr 21, 2025 · Service Bulletin/Repair Instructions
    Complaint Instrument cluster message for rear turn signal lamp despite functioning rear lamp. Fault code in N10/8 - rear signal acquisition and actuation module in the quick test: B164B49 The rear right turn signal lamp has malfunctioned. There is an intern…
  • LI82.85-P-079087 Apr 21, 2025 · 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.E-Navigator 7.iHeartRadio 8.Tr…
  • LI54.71-P-079104 Apr 7, 2025 · Service Bulletin/Repair Instructions
    Complaint Traffic sign symbol for "Traffic Sign Assist" is blinking in instrument cluster without obvious cause usually with one of the following scenarios: • Flashing without a speed limit ("- -"). • Flashing when current vehicle speed is under speed limit…
  • LI54.71-P-078802 Mar 28, 2025 · Service Bulletin/Repair Instructions
    Complaint MBUX head unit display with red text box "System Inoperative". ONLY for vehicles with SA code (549+21U) or (549+U19). Cause Head unit software variant. Remedy For all chassis use Xentry to update head unit (A26/17). Target boot software number sho…
  • LI54.71-P-078802 Mar 18, 2025 · Service Bulletin/Repair Instructions
    Complaint MBUX headunit display with red text box "System Inoperative". ONLY for vehicles with SA code (549+21U) or (549+U19). Cause Under analysis. Remedy For chassis 118, 167, 177, 213, 238, 243, 247, 253, and 293 use Xentry to update headunit (A26/17). T…
  • LI82.70-P-077433 Mar 5, 2025 · Service Bulletin/Repair Instructions
    Complaint During a phone call, the called party has difficulty understanding/cannot understand the driver, or interference/background noises are audible to the called party during a call. It becomes increasingly difficult to understand as the speed rises. C…
  • LI54.30-P-079004 Mar 11, 2025 · Service Bulletin/Repair Instructions
    Complaint The message "Device detected at diagnostics connection See Owner’s Manual" appears sporadically in the multifunction display of the instrument cluster while driving (see picture in attachment). Cause On vehicles with HERMES 3.0 currently, • A23890…
  • LI72.00-P-073141 Mar 11, 2025 · Service Bulletin/Repair Instructions
    Complaint Paint damage on door paneling in area of door handle (see picture 1). Cause Possible tolerance complaint regarding the door handle Remedy 1. Paint the affected area of the door paneling using the spot repair procedure in accordance with the manufa…
Source: NHTSA manufacturer communications files.
About service bulletins