2019 Mercedes-Benz GLC 350 E

NHTSA received a petition on or about July 18, 2022, requesting that Federal Motor Vehicle Safety Standard (FMVSS) 141 be applied to all electric and hybrid vehicles operating in the United States. The petition can be reviewed at NHTSA.gov under ODI Number 11486072. FMVSS 141 establishes performance requirements for pedestrian alert sounds for motor vehicles. The standard applies to hybrid and electric vehicles that have a gross vehicle weight rating of 4,536 KG or less or are defined as low-speed vehicles. The standard became fully applicable to all such vehicles manufactured on or after March 1, 2021.On January 27, 2023, NHTSA opened Defect Petition (DP) 22-005 to evaluate the subject matter described in the petition. On June 24, 2023 and as supplemented on June 25, 2023, the petitioner notified NHTSA he was withdrawing his petition. The petitioner indicated that, based on his review of data, there is no justification for asserting potential benefits that could be derived from actions sought by my petition. Based on the petitioner's withdrawal, DP22-005 is closed. Closure of this DP does not represent a determination by NHTSA regarding the subject matter of the petition.

On January 8, 2021, after ongoing review with Mercedes Benz, the National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation (ODI) opened PE21-001 to assess allegations of front roof panel detachments while driving at highway speeds in certain 2015 Mercedes-Benz (Mercedes) C-Class vehicles.The subject front roof panel is a stationary panel composed of polycarbonate and is attached to the vehicle via adhesive at the time of manufacture. The panel is found on subject vehicles equipped with panoramic sunroofs. Over time, the subject panels may exhibit cosmetic degradation leading to replacement of the panel, a procedure which entails: removal of the old panel and adhesive, site preparation, and installation of a replacement panel with new adhesive.The consumer complaints that prompted the opening of PE21-001 all described detachments of front roof panels that had been replaced after the vehicle was put into service.Mercedes' internal investigation identified a broader scope of affected vehicles (2014-2020 CLA, GLA, C, S, GLC, and GLE class) and found the following potential service procedure- related causes of front roof panel detachments:- Improper surface pretreatments such as the use of the wrong primer or cleaner or scoring of the surface; or - Use of the incorrect adhesive.These conditions lead to a front roof panel bond that, even if sound at the time of repair, cannot maintain its strength over time and environmental exposure.Mercedes updated its service and parts ordering systems to reinforce the proper use of specified kits and procedures via webinars, shop foreman meetings, and explicit reference to the risks incurred by diverging from the repair procedures. Mercedes is also furnishing parts ordering assistance, and will hold dealerships accountable for improper repairs.ODI's analysis of the ten complaints it has received from the public (VOQ's) and MBUSA's complaint data submitted in response to the information request letter for PE21-001 identified a total of 57 non-duplicative reports alleging incidents in which the front roof panel detached from the vehicle while in motion. Included within the 57 reports are incidents where consumers state the panel detached ...and flew off into traffic.On March 19, 2021, Mercedes notified NHTSA that it would recall subject vehicles with front roof panels known to have been replaced after the original sale of the vehicle. In total, the recall (designated as Recall 21V197) covers 15,099 vehicles that were ever registered in the United States. Based on Recall 21V197 and the remedy implemented by Mercedes, further investigation does not appear to be warranted at this time.Accordingly, this investigation is closed.The ODI complaints cited above can be viewed at www.nhtsa.gov under the following ODI identification numbers: 11376425, 11352686, 11351629, 11349158, 11341541, 11337594, 11324100, 11311591, 11222127, 11404183

The contact owns a 2019 Mercedes-Benz GLC350E. The contact stated while attempting to reverse, the rearview camera failed to display an image. No warning lights were illuminated. The contact stated that the dealer was contacted. The vehicle was taken to a dealer where it was diagnosed and determined that the backover prevention software needed to be updated. The vehicle was not repaired. The VIN was not included in NHTSA Campaign Number: 22V232000 (BACK OVER PREVENTION). The manufacturer was notified of the failure and informed the contact that the vehicle needed to be diagnosed before a case could be filed. The failure mileage was 76,954.

NHTSA ID

11642730

Incident

Feb 9, 2025

Mileage

76,954 mi

The contact owns a 2019 Mercedes-Benz GLC350. The contact stated that while being serviced the mechanic observed two cracks in the middle of the sunroof panel. The contact stated that he believes the cracks are associated with NHTSA Campaign Number: 21V197 (Structure). The vehicle was taken to a dealer where it was diagnosed that the sunroof panel (205-780-00-22-40) needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure and he also filed a complaint (03902387). The failure mileage was approximately 40,000. The contact stated the left/passenger side roof drip molding is also cracked. This is a stationary panel that is part of the panoramic sunroof assembly.

NHTSA ID

11559480

Incident

Dec 1, 2023

The contact owns a 2019 Mercedes-Benz GLC350E. The contact stated that the vehicle made an abnormal windy sound while driving. The contact stated that the adhesive bonding of the roof panel was deteriorating, causing the front roof panel to partially detach from the vehicle. The dealer was not notified of the failure. The vehicle was not diagnosed or repaired. The contact related the failure to NHTSA Campaign Number: 21V197000 (Structure) however, the VIN was not included. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline for assistance. The failure mileage was approximately 25,600.

NHTSA ID

11554845

Incident

Sep 13, 2023

Mileage

25,600 mi

The car's backup camera sttoped working suddenly. No image can be seen in the monitor, putting at risk the life of other pedestrian or putting a collision risk.

NHTSA ID

11482076

Incident

Aug 30, 2022

WHEN DRIVING DOWN A CITY STREET AT A SPEED OF APPROXIMATELY 35 MPH, ON A STRAIGHT STRETCH OF ROAD, THE MOONROOF EXPLODED. THIS WAS NOT IMPACTED BY ANY OBJECT AND THERE WAS NO COLLISION. THIS GLASS SHATTER HAPPENED WITHOUT WARNING

NHTSA ID

11408273

Incident

Apr 14, 2021

Mileage

27,000 mi

TL* THE CONTACT OWNS A 2019 MERCEDES-BENZ GL350. THE CONTACT STATED THAT WHILE DRIVING AND ACCELERATING FROM APPROXIMATELY 15 MPH TO 60 MPH, THERE WAS AN ABNORMAL BURNING ODOR INSIDE OF THE VEHICLE. A MESSAGE DISPLAYED ON THE INSTRUMENT PANEL INSTRUCTED THE DRIVER THAT THE VEHICLE WOULD SHUT-OFF WITHIN 3 MINUTES. THE CONTACT STATED THAT THE VEHICLE LOSS MOTIVE POWER, STALLED AND SHUT-OFF WITH SEVERAL UNKNOWN MESSAGES DISPLAYED ON THE INSTRUMENT PANEL. THE CONTACT STATED THAT THE ODOR CAME FROM THE BATTERY. THE VEHICLE WAS TOWED TO MERCEDES-BENZ OF SPRINGFIELD (295 BURNETT RD, CHICOPEE, MA 01020. (413)624-4100) TO BE DIAGNOSED. THE CONTACT WAS INFORMED THAT THE BATTERY NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 40,000. *DT*JB

NHTSA ID

11377146

Incident

Nov 7, 2020

Mileage

40,000 mi

TL THE CONTACT OWNS A 2019 MERCEDES-BENZ GLC350E4. WHILE DRIVING AND DEPRESSING THE BRAKE PEDAL, THE VEHICLE JERKED FORWARD BEFORE IT STOPPED. THERE WAS NO WARNING INDICATOR ILLUMINATED. THE FAILURE RECURRED SEVERAL TIMES. THE VEHICLE ALSO OVERHEATED, WHICH CAUSED THE COOLING SYSTEM NOT TO WORK. THE VEHICLE WAS TAKEN TO FLETCHER JONES MOTORCARS (949-718-3000, LOCATED AT 3300 JAMBOREE RD, NEWPORT BEACH, CA 92660), BUT THE FAILURE COULD NOT BE DUPLICATED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND STATED THAT THERE WAS NO FAILURE WITH THE VEHICLE. ON ONE OCCASION, WHILE DRIVING APPROXIMATELY 30 MPH, THE OVERHEAT WARNING INDICATOR ILLUMINATED. THE VEHICLE WAS PULLED TO THE SIDE AND WAS LATER DRIVEN TO THE CONTACT'S RESIDENCE. THE CONTACT CALLED THE SAME DEALER AND WAS INFORMED TO CALL THE MANUFACTURER. THE MANUFACTURER SENT A TOW TRUCK AND THE VEHICLE WAS TOWED TO THE SAME DEALER WHERE IT WAS DIAGNOSED THAT THE THERMOSTAT WAS BLOCKED. THE THERMOSTAT WAS REPLACED, BUT THE CONTACT STATED THAT THE OVERHEATING DID NOT COMPLETELY STOP. THE FAILURE MILEAGE WAS UNKNOWN. *JS

NHTSA ID

11241048

Incident

Jan 5, 2019

VEHICLE WAS IN MOTION ON A CITY STREET WHEN IT STALLED AND EVEN THOUGH I DEPRESSED THE ACCELERATOR, VEHICLE WOULD NOT MOVE. A MESSAGE IN RED APPEARED STATING THERE WAS NOT ENOUGH FUEL AND TO GO RE-FUEL, EVEN THOUGH THE TANK WAS 3/4 FULL. THE ENERGY FLOW THROUGH THE BATTERY WAS 16-19%. I HAD TO SHUT OFF THE CAR. WAIT. THEN, RE-START AND WAS ABLE TO GET HOME. PROBLEM: 1. THE CAR GAS ENGINE DID NOT KICK IN AND THE MESSAGE WAS TO RE-FUEL (CAR DID NOT RECOGNIZE ALMOST FULL TANK OF GAS). 2.STALLED WHILE IN MOTION. (I AM GLAD THIS DID NOT HAPPEN ON THE HIGHWAY). THE LOCAL DEALER HAS THE CAR NOW AND I AM DRIVING A LOANER. THEY HAVE THE CAR SINCE SAT APRIL 20,2019. (AUTOBAHN MOTORS 650-637-2333 @ 700 ISLAND PARKWAY, BELMONT, CA 94002

NHTSA ID

11203297

Incident

Apr 20, 2019

Mileage

770 mi

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 in all drive modes. Cause Dual‑clutch transmissions (DCT) inherently exhibit more dynamic shifting behavior compared to other types of transmissions. This is due to the use of physical clutches for starting and gear changes. In certain situations, dynamic driving behavior can lead to a slight jerk sensation which is a normal technical characteristic of the transmission. A typical example is a "Change of Mind" situation: • The customer is coasting towards a red traffic light. • The traffic light turns green while the vehicle is still coasting. • The customer then presses the accelerator pedal. In these situations, a slight jerk may occur briefly because the transmission must quickly engage the appropriate gear and control the clutches accordingly. Since shift forks are responsible for engaging the gears during shifting, a slight shifting noise may also be noticeable. Please note driving programs S, S+, and M are designed to provide sportier vehicle behavior and are not optimized primarily for maximum comfort, so this operation may be more audible. Remedy Verify the customer's concern and confirm proper transmission operation. If no faults or abnormal operating conditions are identified by IPR (Intelligent Predictive Repair), no hardware replacement is necessary. Inform the customer that the transmission has been designed to provide direct gear engagement and responsive vehicle performance. Under certain operating conditions, brief shift sensations may be perceptible and are consistent with the operating characteristics of the dual‑clutch transmission

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 impact the ability to safely steer or control the vehicle. Cause Ball screw drive (KGT) of electric steering damaged by: 1. External force due to: ‑ Hitting the curb/posts with the front wheels. ‑ Driving over obstacles (e.g. pothole/ threshold/ speed bump/ gully) at an inappropriate speed. 2. Corrosion/ water ingress through a damaged boot (see attachment). ‑ Cracks (1) ‑ High pressure cleaner (2) ‑ Animal bite (3) See various examples listed in the attachments for examples of outside influence. Remedy Remove boot clamps closest to steering gear housing on both left and right (as seen in "Steering Rack Boot Clamp Location"). Pull back boot and inspect for rust, broken end stops, water, or any other anomalies. Replace electric steering. Note: Steering gears replaced due to outside influence or damage must not be claimed under warranty!

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 that the tailgate no longer opens as a result of a long press on the button, but by double‑clicking on the button instead. This reduces the likelihood of the button being activated accidentally or unintentionally. The recoding can be carried out as follows: 1. Add SA Code O19 into VeDoc (O for Oscar, not "zero") • an XSS ticket may be necessary to add the SA code 2. Perform SCN coding of EIS N73 control unit 3. Deactivate the vehicle key (a successful deactivation is indicated by the LED lighting up 2x briefly and then 1x for a long period). 4. Place the vehicle key in the storage compartment on the key symbol and turn on the ignition. IMPORTANT: all other vehicle keys must be outside the recognition range of the vehicle when doing this! Perform steps 3 and 4 successively for all vehicle keys. Notes: 6th, 7th and 8th generation keys can be deactivated as follows: Up to modification year 22/1 by double clicking the "Lock button" As of modification year 22/1, by press and holding the “Lock button", then double‑click the “Unlock button" at the same time. On model series 167, the storage compartment with the key symbol is located in the armrest. The SCN coding from the EZS is only transferred correctly to the vehicle key under the following conditions: Only one vehicle key is located in the vehicle, this key has been deactivated and it is positioned on the marking in the storage compartment for the data transfer. The costs for this adaptation are to be borne by the customer. For the newer BR 174, 178, 244, 248, 520, and 540, a software update must be initiated, as there is no way to perform SCN coding.

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 Detection ("DMTL") on your vehicle from the original New Vehicle Limited Warranty of 4 years / 50,000 miles to 15 years/150,000 miles (whichever occurs first). This applies to the vehicle regardless of ownership. Why the Warranty extension? On certain Model Year 2018 - 2024 A / C / CLA / CLS / E / G / GLA / GLB / GLC / GLE / GLS / GT / S / SL Mercedes-Benz vehicles, under certain circumstances, the DMTL may trigger erroneous Diagnostic Trouble Code ("DTC") entries that may result in the illumination of the Check Engine Malfunction Indicator Lamp ("MIL"). Any repairs under this warranty extension must be performed by an authorized Mercedes-Benz dealership. • If your preferred authorized Mercedes-Benz dealership performs a diagnosis and confirms that your vehicle has the issue, the repair will be covered under this extended warranty and performed at no cost to you. • This extended warranty does not apply to any other components or conditions beyond the ones mentioned above, and standard warranty terms apply, including the exclusions with respect to extra expenses, as identified in the Service and Warranty Information booklet.

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 diagnostic guide.

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, create a TIPS case with an informative video as an attachment. Information: Please refer to this document in the warranty claim and, after completing diagnosis, select the damage code corresponding to the component part that caused the problem. • If the noise stops when the door trim is removed, please proceed in accordance with LI72.10-P-067691. Information: In this case, do not use a damage code for the speakers in the warranty claim!