Use caution Vehicle recall · NHTSA · Published May 2, 2021

Mercedes-Benz GLB35 eCall Recall: Wrong Location Dispatch Risk

2021 Mercedes-Benz GLB35 recall due to eCall software failure that may send emergency responders to the wrong location after a crash.

Plain-English summary generated from official NHTSA data by GovInfoNow · Published by Carlos Caban · How we make summaries

🇺🇸 NHTSA recall #21V058000Vehicle Mercedes-Benz ›

Use caution until it’s fixed

Failure of the eCall system may result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.

Take action

Contact the company

Call(877) 762-8267

✎ GovInfoNow plain-language explainer

Mercedes-Benz USA is recalling certain 2016-2021 vehicles, including the 2021 GLB35, because the communication module software may fail to transmit the correct vehicle location during an emergency call. This error could result in emergency responders being dispatched to the wrong place after a crash. The recall began on March 12, 2021. Read more at govinfonow.com/recall/80576-mercedes-benz-amg-glb35-2021-recall-ecall-system-may-dispatch.

Source Summary by GovInfoNow · govinfonow.com/recall/80576-mercedes-benz-amg-glb35-2021-recall-ecall-system-may-dispatch · Updated October 13, 2026 · Official notice: NHTSA #21V058000

Cite this page

“Mercedes-Benz GLB35 eCall Recall: Wrong Location Dispatch Risk.” GovInfoNow, updated October 13, 2026. https://govinfonow.com/recall/80576-mercedes-benz-amg-glb35-2021-recall-ecall-system-may-dispatch. Based on NHTSA recall #21V058000 (https://www.nhtsa.gov/recalls?nhtsaId=21V058000).

Mercedes-Benz USA, LLC recalled certain 2016-2021 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, GT-Class, C-Class, E-Class, S-Class, CLS-Class, SL-Class, B-Class, GLB-Class, GLC-Class, and G-Class vehicles due to an electrical system hazard, according to the National Highway Traffic Safety Administration (NHTSA) on May 2, 2021. The eCall system may fail to communicate the correct vehicle location in a crash. Owners should have their communication module software updated free of charge.

How to tell if you have it

Mercedes-Benz A 220, 2019-2020
Mercedes-Benz AMG A35, 2020
Mercedes-Benz AMG C43, 2017-2021
Mercedes-Benz AMG C63, 2017-2020
Mercedes-Benz AMG CLA35, 2020-2021
Mercedes-Benz AMG CLA45, 2017-2021
Mercedes-Benz AMG CLS53, 2019-2020
Mercedes-Benz AMG CLS63, 2017-2018
Mercedes-Benz AMG E43, 2017-2018
Mercedes-Benz AMG E53, 2019-2021
Mercedes-Benz AMG E63, 2018-2021
Mercedes-Benz AMG G63, 2017-2020
Mercedes-Benz AMG G65, 2017-2018
Mercedes-Benz AMG GLA35, 2021
Mercedes-Benz AMG GLA45, 2017-2021
Mercedes-Benz AMG GLB35, 2021
Mercedes-Benz AMG GLC43, 2017-2021
Mercedes-Benz AMG GLC63, 2018-2021
Mercedes-Benz AMG GLE43, 2017-2019
Mercedes-Benz AMG GLE53, 2021
Mercedes-Benz AMG GLE63, 2017-2021
Mercedes-Benz AMG GLS63, 2017-2021
Mercedes-Benz AMG GT C, 2018-2020
Mercedes-Benz AMG GT R, 2018-2020
Mercedes-Benz AMG GT S, 2017-2019

What to do

MBUSA will notify owners, and the communication module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. Owners may contact MBUSA customer service at 1-877-762-8267.

The hazard

The failure of the eCall system may result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash. The software design of the communication module may fail to communicate the correct vehicle location for the emergency call system in the event of a crash.

Context

GovInfoNow's records show Mercedes-Benz USA, LLC has 66 other recalls on record since May 17, 2016. Other recent recalls of similar products include Mercedes S-Class Recall: Front Brake Hose Leak Risk (Oct. 2, 2026), Mercedes-Benz AMG GLA 35 (2025) Recall: Risk of Vehicle Rollaway (July 24, 2026), and Mercedes-Benz EQB 300 4MATIC (2022) Recall: Fire Risk from Electrical System (June 2, 2026). Other recent recalls of similar products include Hyundai Elantra N (2025) Air Bag Recall: Delayed Deployment Risk (April 21, 2026), RAM 5500 (2025) Recall: Instrument Panel Failure Risk (April 9, 2026), and Chrysler 2025 RAM 5500 Air Bag Recall: Risk of Crash Injuries (Dec. 18, 2025).

How to tell if you have this one

Check if you own a 2016-2021 Mercedes-Benz vehicle such as the GLB35. The recall applies to vehicles where the communication module software has the specific design failure described. Refer to the Part 573 report for exact model details.

Brand
Mercedes-Benz
Category
Vehicle

Based on the official NHTSA remedy

What to do — step by step

Wait for Notification
MBUSA will notify owners of this recall via mail or other contact methods.
Get Software Updated
Have a dealer update the communication module software, or receive an over-the-air (OTA) update, free of charge.
Contact Customer Service
Call MBUSA customer service at 1-877-762-8267 with recall number 2021020025 if you have questions.

Official remedy

What NHTSA says to do

MBUSA will notify owners, and the communication module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. The recall began March 12, 2021. Owners may contact MBUSA customer service at 1-877-762-8267. MBUSA's number for this recall is 2021020025.

How this recall unfolded

Recall timeline

2 dated steps over 51 days.

Mar 12, 2021Recall began
May 2, 2021NHTSA received the defect report

Dates from the agency record only; steps without a date are left out.

✎ GovInfoNow

Questions people ask

From the GovInfoNow team · based on the NHTSA notice · How we make summaries

Which vehicles are included in this recall?

The recall covers certain 2016-2021 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, GT-Class, C-Class, E-Class, S-Class, CLS-Class, SL-Class, B-Class, GLB-Class, GLC-Class, and G-Class vehicles.

Take action

Contact Mercedes-Benz

We’ve drafted a message you can send Mercedes-Benz to request your refund or repair — edit it as you like.

✉️ Open in email📞 +18777628267

Subject: Recall 21V058000 — Mercedes-Benz GLB35 eCall Recall: Wrong Location Dispatch Risk

Hello,

I own a Mercedes-Benz GLB35 eCall Recall: Wrong Location Dispatch Risk that is covered by recall 21V058000 from Mercedes-Benz.

The official recall notice states: MBUSA will notify owners, and the communication module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. The recall began March 12, 2021. Owners may contact MBUSA customer service at 1-877-762-8267. MBUSA's number for this recall is 2021020025.

I’m writing to arrange the remedy described in the recall (a refund, repair, or replacement as applicable). Could you please tell me the next steps to resolve this?

Thank you.

Keep exploring

Link to this recall

<a href="https://govinfonow.com/recall/80576-mercedes-benz-amg-glb35-2021-recall-ecall-system-may-dispatch">Mercedes-Benz GLB35 eCall Recall: Wrong Location Dispatch Risk (GovInfoNow)</a>

Where this comes from

The facts (hazard, remedy, dates, manufacturer) are pulled from the official NHTSA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.

Official source: NHTSA Recall #21V058000 (May 2, 2021)
Plain-language summary written by qwen3.6:35b-a3b on October 13, 2026, from the official record above. Not reviewed by a person — if it conflicts with the NHTSA notice, the notice is correct. Report an error on this page.
GovInfoNow is an independent service and is not a government agency. We republish official NHTSA recall data; we don’t issue, amend or administer recalls.