# Service bulletin LI67.10\-P\-071418

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 11032700
- Published by NHTSA: 2026\-05\-14
- Manufacturer's number: LI67.10\-P\-071418
- Manufacturer's date: 2026\-05\-13
- NHTSA component: STRUCTURE:BODY

## NHTSA's summary

Complaint Wind noises in area along the top of windshield at speeds above 60mph. Cause Insufficient sealing between the windshield lip seal and the body. Remedy Preliminary Check: Before beginning repairs, verify the source of the wind noise: 1. Mask off the joint between the windshield and the roof using tape. 2. Perform a test drive. 3. If the wind noise is no longer present, proceed with the repair steps below. 4. If the wind noise is still present, further diagnosis is required to locate the source of the noise. Repair Procedure: 1. Using tape, mask off the front edge of the roof along the entire length of the lip seal. \(See Image1\) 2. Apply window sealant between the lip seal and the body panel. \(See Image 2\) 3. Press the lip seal onto the front edge of the roof. 4. Clean the work area thoroughly and remove any excess sealant material. 5. Perform a road test to confirm the wind noise concern has been resolved.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11032700-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11032700-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Body and frame

## Vehicles listed

- 2019 to 2022 MERCEDES\-BENZ A 220
- 2020 to 2021 MERCEDES\-BENZ A 220 4MATIC
- 2020 to 2021 MERCEDES\-BENZ AMG A35
- 2020 MERCEDES\-BENZ AMG A35 4MATIC
- 2024 to 2025 MERCEDES\-BENZ AMG GLA 35
- 2024 MERCEDES\-BENZ AMG GLA 35 4MATIC
- 2026 MERCEDES\-BENZ AMG GLA 35 4MATIC
- 2021 to 2023 MERCEDES\-BENZ AMG GLA35
- 2021 to 2023 MERCEDES\-BENZ AMG GLA45
- 2021 to 2025 MERCEDES\-BENZ AMG GLB35
- 2026 MERCEDES\-BENZ AMG GLB35 4MATIC
- 2020 to 2026 MERCEDES\-BENZ GLA 250
- 2021 MERCEDES\-BENZ GLA 250 4MATIC
- 2024 MERCEDES\-BENZ GLA 250 4MATIC
- 2026 MERCEDES\-BENZ GLA 250 4MATIC
- 2020 to 2026 MERCEDES\-BENZ GLB 250
- 2020 to 2021 MERCEDES\-BENZ GLB 250 4MATIC
- 2026 MERCEDES\-BENZ GLB 250 4MATIC

JSON: [/v1/bulletins/11032700](/v1/bulletins/11032700)

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