Missing Brake Inspection Gauge – 2019-2021 Mercedes-Benz A-Class, CLA, GLA & GLB

November 1, 2023 NHTSA CAMPAIGN NUMBER: 23V732000

Missing Brake Inspection Gauge/FMVSS 135

Driving with worn brake pads can reduce braking ability, increasing the risk of a crash.

 

NHTSA Campaign Number: 23V732

Manufacturer Mercedes-Benz USA, LLC

Components SERVICE BRAKES, HYDRAULIC, EQUIPMENT

Potential Number of Units Affected 42,742

 

Summary

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019-2020 A220, 2020 CLA250, GLB250, AMG A35, AMG CLA45, AMG CLA35, and 2021 GLA250 vehicles. The vehicles may not be equipped with an inspection gauge to check the wear of the rear brake pads. In addition, information for using this inspection gauge might not be included in the owner’s manual. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 135, “Light Vehicle Brake Systems.”

 

Remedy

Dealers will install an inspection gauge and provide supplemental owner’s manual information, free of charge. Owner notification letters are expected to be mailed December 31, 2023. Owners may contact MBUSA customer service at 1-800-367-6372.

 

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 if your Mercedes-Benz has a Recall

 


November 8, 2023

TBA

Add Inspection Gauge and Supplemental Booklet for Checking of Brake Pads

This is to notify you of the new Recall Campaign to add a brake inspection gauge and respective owner’s manual information on 42,742 Model Year (“MY”) 2019-2021 A-Class, CLA, GLA and GLB (177, 118, 247 platform) vehicles. The recall campaign will be visible on the www.NHTSA.gov website and may generate questions from customers. Affected VINs will be flagged in VMI as “PENDING” on November 8, 2023.

 

Issue

Mercedes-Benz AG (“MBAG”), the manufacture of Mercedes-Benz vehicles, has determined that certain Model Year (“MY”) 2019-2021 A-Class, CLA, GLA and GLB (177, 118, 247 platform) vehicles might not be equipped with the inspection gauge for checking the wear of the rear axle brake pads. Furthermore, the respective information for using this inspection gauge might not be included in the owner’s manual.

 

What We’re Doing

MBUSA will conduct a voluntary recall. An authorized Mercedes-Benz dealer add a brake inspection gauge and the respective owner’s manual information on the affected vehicles.

 

Parts

Remedy is not available at this time.

 

Given this notice, it is a violation of Federal law for a dealer to sell or lease any new vehicles in dealer inventory covered by this notification until the vehicle has been repaired. Once the remedy is available, the vehicles will be flagged as “OPEN” and Work Instructions will be available in NetStar VMI and Xentry Portal. Once the repair is complete, the vehicle may be sold or leased.

Loaner and demonstrator vehicles may continue to be driven, but must not be retailed until repaired. As a matter of normal service process, please check for other repair measures which might be applicable to the vehicle(s).

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

 

Customer Notification Timeline

Customer letters will be mailed on or before November 8, 2023.

 


Mercedes-Benz Part 573 Submission

Original Submission to Portal November 1, 2023

Chronology-Only section

 

Chronology of Defect/Noncompliance Determination Supplement for ODI 22-00855-29976-10

In February 2020, MBAG after sales department was first made aware through internal analyses for quality assurance that the inspection gauge for checking the wear of the brake pads on the rear axle and the respective information in the owner’s manual for using this inspection gauge may not have been provided with certain vehicles.

MBAG initiated a technical investigation, including the potential impact of not including the wear inspection gauge.

During the analysis process, MBAG investigated potential technical impacts of the described issue in connection with the conditions of the braking system. MBAG found that, due to the brake force distribution, the brake pads on the front axle wear out sooner than the rear axle brake pads. The potentially affected vehicles are equipped with an electronic wear sensor on the front axle. If the brake pads thickness falls below a certain level, the driver will be informed that the brake pads need to be replaced by the permanently lit warning lamp and warning message “Check brake pads. See Owner’s Manual” in the instrument cluster. In this case, the brake performance would still not be impaired.  Once the vehicle is taken to the workshop, the brake pads on the rear axle will also be checked and replaced, if necessary. In addition, internal vehicle test data was analyzed. This analysis showed that even with completely worn brake pads on the rear axle, the potentially affected vehicles would still meet the legal performance requirements for stopping distance in accordance with the FMVSS 135, S7.5.3.

Furthermore, the force distribution of the brake system prohibits that the brake pads on the rear axle could reach the wear limit before the brake pads of the front axle reach their wear limit.

On August 7, 2020, MBAG determined that there was a technical noncompliance regarding FMVSS 135, S5.1.2. MBAG determined that this noncompliance was inconsequential with regard to motor vehicle safety, and submitted a petition for inconsequential noncompliance (“inconsequentiality petition”) on September 4, 2020.

Some of the affected vehicles could have been resolved while still in access at the dealerships in advance of customer delivery.

On October 25, 2023, NHTSA published its denial of MBAG’s petition for inconsequentiality in the Federal Register.

In accordance with that denial, MBAG determined on October 27, 2023 to conduct a recall.

MBAG confirms there are no warranty claims, field or service reports, and other information (such as the numbers of deaths and/or injuries) related to this defect in the USA.

 


8 Affected Products

Vehicles

MAKE MODEL YEAR
MERCEDES-BENZ A220 2019-2020
MERCEDES-BENZ AMG A35 2020
MERCEDES-BENZ AMG CLA35 2020
MERCEDES-BENZ AMG CLA45 2020
MERCEDES-BENZ CLA250 2020
MERCEDES-BENZ GLA250 2021
MERCEDES-BENZ GLB250 2020

 


4 Associated Documents

Noncompliance Notice 573 Report

RCLRPT-23V732-8766.PDF 219.577KB

RCLRPT-23V732-8766

 


Recall Acknowledgement

RCAK-23V732-5244.pdf 780.406KB

RCAK-23V732-5244

 


Chronology Report

RMISC-23V732-7481.pdf 113.44KB

RMISC-23V732-7481

 


Manufacturer Notices(to Dealers,etc)

RCMN-23V732-4940.pdf 140.772KB

RCMN-23V732-4940

 


Latest Recalls Documents

For the Latest and Most Recent Recalls Information Visit the link below…

https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=23V732&docType=RCL

 


 

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  • 🚀Quickly Measure Brake Pad Wear: This light weight and accurate brake pad lining thickness gauge is simple to use. With this, you can easily check the brake pad wear and easily tell when maintenance is needed. This 9-piece manual brake gauge set provides a quick "go/no-go" method to inspect the disc brake pads and shoes for wear on most models.
  • 😎 Excellent Selection of Materials, Durable: Compared with the thick sheet metal, our brake pad gauge is made of light weight heavy duty ABS material, which is firm and strong, not easy to lose paint, resistant to corrosion or rust and can retain its color after long time use. Plastic ones work better for bending around corners and through rims to get a measurement easier. What's more, it is small in size and light in weight, easy to carry and you can use whenever you want.
  • 🚘Easy to use: The brake gauge measure tool is assembled with a heavy-duty rivet and simply folds out the size you want to use, then the offset design allows for the blades to be inserted between the brake disc and the brake pad backing plate allowing the pad thickness can be measured without needing to be removed from the vehicle.
  • 🚥Color Coded System, Metric and Imperial Units: The brake measuring tool has 9 color coded gauge fins that range in thickness measurements from 2mm - 12mm. Each of the 8 blades is conveniently marked in both metric and imperial units and are color coded to quickly signify levels of wear: green shows safe, yellow shows you should be cautious, red remind you changing right now, make your driving safer.
  • 🚚Application: The brake pad thickness gauge is designed to show customers an accurate measure of brake lining. Quickly measuring wear and assessing remaining life of brake pad linings, from light cars and trucks to heavy duty transportation vehicles, and eliminates their question whether a brake job is really needed.

Last update on 2023-11-10 / Affiliate links / Images from Amazon Product Advertising API

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