Fuel Hose Leak in Engine Compartment – 2017-2022 Mercedes-Benz Metris

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March 8, 2022 NHTSA CAMPAIGN NUMBER: 22V134000

Fuel Hose Leak in Engine Compartment

A fuel leak in the presence of an ignition source can increase the risk of a fire.

 

NHTSA Campaign Number: 22V134

Manufacturer Daimler Vans USA, LLC

Components FUEL SYSTEM, GASOLINE

Potential Number of Units Affected 42,132

 

Summary

Daimler Vans USA, LLC (DVUSA) is recalling certain 2017-2022 Mercedes-BenzeBay Metris vehicles. The connection of the upper and lower fuel hoses to the engine may be insecure, which can result in a fuel leak.

Remedy

Dealers will inspect and repair the fuel hose connections, and replace the clamps and fuel hose, as necessary, free of charge. Owner notification letters were mailed May 5, 2022. Owners may contact DVUSA customer service at 1-877-762-8267. DVUSA’s number for this recall is VS2KRAUCH.

 

Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

 

Check for Daimler Vans Recalls


2022040011

Check and Replace Fuel Hose Clamps and Hose

This is to notify you of a Recall Campaign Launch to check and replace fuel hose clamps and fuel hose on approximately 42,073 MY17-22 Mercedes-BenzeBay Metris vans.  The recall campaign will be visible on the www.safercar.gov website and may generate questions from customers.  All affected VINs will be flagged as “OPEN” in VMI and cannot be sold until the recall has been completed.

 

Issue

Mercedes-BenzeBay AG (“MBAG”), the manufacturer of Mercedes-BenzeBay vehicles, has determined that on certain Mercedes-BenzeBay VS20 Metris vehicles (platform 447), the upper and lower fuel hose connections for the fuel lines on the M274 4-cylinder engines may not be securely attached, which in some instances could lead to minor fuel leakage at the upper connection that feeds the high-pressure fuel pump or lower connecting point of the transition hose, between the underbody fuel line and the Schrader valve. Fuel leakage in the presence of a potential ignition source within the engine compartment could create the risk of a fire.

 

What We’re Doing

MBUSA is conducting a voluntary recall. An authorized Mercedes-BenzeBay Metris dealer will check the correct mounting of the upper and lower fuel hose connections and replace the clamps and the fuel hose if necessary.

 

Parts

Parts are available

Given this notice, it is a violation of Federal Law for a dealer to sell or lease any new Metris vehicles in dealer inventory covered by this notification until the vehicle has been repaired.

Loaner and demonstrator vehicles may continue to be driven, but must not be retailed until repaired.

Additionally, given this notice, it is a violation of Federal Law for rental companies to rent new Metris vehicles covered by this notification until the vehicle has been repaired.

 


Attachment:

Chronology of Defect/Noncompliance Determination:

 

In March 2018, MB Vans received a preliminary evaluation (PE) information request from NHTSA regarding reports of fuel hose leakage in model year 2016 Metris vans. MB Vans’ analysis and evaluation in response to the PE did not identify evidence of a specific risk of fire or vehicle disablement related to the fuel line. Nonetheless, on November 27, 2018, MB Vans initiated a voluntary recall for Model Year 2016 to 2017 Metris (Platform 447) vans. The recall ID 18V-837 applied to Model Year 2016 to 2017 Metris (Platform 447) vans produced prior to March 15, 2017, when the production and equipment changes were made.

 

All Metris vans are originally produced in MB Vans’ Vitoria, Spain production plant. Vehicles intended for sale in the US are imported both as complete vehicles (“CBU”) and as component parts (semi-knocked-down or “SKD”). SKD components are reassembled into Metris vans at MB Vans’ Charleston, South Carolina production plant.

 

Following the recall, MB Vans received occasional, isolated, scattered customer complaints regarding fuel odor or fuel leaks involving Metris vans. These complaints were received sporadically between 2017 and 2020, but MB Vans did not identify any repeated or consistent variations from production specifications for the fuel hose connections. Nevertheless, MB Vans is continually focused on improving its production processes.

 

On May 19, 2020, MB Vans implemented in-line inspection and testing protocols for the fuel hose connections at its Vitoria and Charleston plants. The new measures included a tensile force verification test to ensure the fuel hose clamps were properly secured. MB Vans also conducted refresher training for employees involved in production and assembly of the fuel line, emphasizing correct use of tools required to properly secure the fuel hose clamps.

 

At the time when MB Vans implemented these quality check measures, a field analysis team identified four potential production process errors during the fuel line assembly in Vitoria or Charleston: (1) fuel hose not fully advanced over the upper or lower fuel line connection; (2) fuel hose clamp not positioned correctly over the fuel hose connection; (3) fuel hose clamp not closed correctly; or (4) wrong fuel hose clamp mounted. MB Vans believed that the in-line inspection and quality check, as well as the employee refresher training, addressed any production process errors.

 

MB Vans continued to receive sporadic complaints regarding fuel odor or leakage regarding Metris vans through the end of 2020 and in 2021. On October 27, 2021, MB Vans formally documented the in-line inspection and quality check procedures adopted in 2020, including the tensile force test, that are applied to all Metris vans assembled at the Charleston plant. On November 2, 2021, MB Vans documented the same further process measures at the Vitoria plant.

 

In each instance described above, MB Vans believed that the quality check procedures, employee refresher training, and other process measures implemented at the Vitoria and Charleston plants addressed any isolated quality errors during fuel line assembly. Following documentation of the process changes in the Charleston and Vitoria plants in October and November of 2021, MB Vans has not received any new complaints regarding fuel odor or leaks from the fuel line on Metris vans. Further, MB Vans has never received any reports of crashes, fires, injuries, or deaths in connection with the fuel line on Metris vans. However, because the process quality control measures were not successful prior to formal documentation in the Metris fuel line production process, MB Vans recognizes that step should have occurred sooner.

 

Accordingly, on March 2, 2022, in an abundance of caution, MB Vans determined that it could not rule out the risk of fuel leaks from the fuel hose connections on Metris vans in series production from March 15, 2017 until documentation of the process changes on October 27, 2021 (SKD vehicles assembled in Charleston) or November 2, 2021 (CBU vehicles imported from Vitoria). As a result, MB Vans will initiate a recall for affected Metris vans.

 


6 Affected Products

Vehicle

MAKEMODELYEAR
MERCEDES-BENZeBayMETRIS2017-2022

 


12 Associated Documents

Chronology Report

RMISC-22V134-5972.pdf 62.981KB

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Defect Notice 573 Report

RCLRPT-22V134-2759.PDF 213.714KB

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Recall Acknowledgement

RCAK-22V134-8995.pdf 645.906KB

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Manufacturer Notices(to Dealers,etc) – March 2022

RCMN-22V134-3306.pdf 636.847KB

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Recall 573 Report – March 22, 2022

RCLRPT-22V134-7716.PDF 213.813KB

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Manufacturer Notices(to Dealers,etc)

RCMN-22V134-4683.pdf 1174.227KB

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Interim Owner Notification Letter(Part 577)

RIONL-22V134-8713.pdf 135.579KB

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ISSUED Owner Notification Letter(Part 577)

RCONL-22V134-0429.pdf 381.298KB

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Recall Quarterly Report #1, 2022-2

RCLQRT-22V134-0580.PDF 211.143KB

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Recall Quarterly Report #2, 2022-3

RCLQRT-22V134-8087.PDF 211.243KB

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Recall Quarterly Report #3, 2022-4

RCLQRT-22V134-1280.PDF 211.333KB

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Amended Chronology of Defect/Noncompliance Determination

RMISC-22V134-6919.pdf 64.115KB

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Last update on 2025-04-17 / Affiliate links / Images from Amazon Product Advertising API


 

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