NHTSA service bulletin

NHTSA Service Bulletin 11032700: 2019-2026 Mercedes-benz A 220

Official manufacturer communication context for 2019-2026 Mercedes-benz A 220, with affected products, buyer checks and links into Carchieve recall, problem and VIN research.

NHTSA service bulletin 11032700 summary graphic for 2019-2026 Mercedes-benz A 220
11032700NHTSA document ID
Manufacturer communicationcommunication type
14affected product rows
14source rows grouped

Reviewed June 2026 from NHTSA manufacturer communication and service bulletin records. Carchieve is independent and not affiliated with any vehicle manufacturer or government agency.

Quick answer

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.

What this bulletin may mean before buying

Treat this as service research, not a verdict on one car. Before you buy, compare this communication with official recall campaigns, model-level owner complaint patterns, and the exact vehicle’s VIN-decoded specifications. A bulletin can help you ask a seller or dealer sharper questions about software updates, known repairs, warranty extensions and service history.

Affected products listed in this communication

MakeModelModel yearsBuyer note
Mercedes-benzA 2202019-2022Ask for service records and run the exact VIN before purchase.
Mercedes-benzA 220 4matic2020, 2021Ask for service records and run the exact VIN before purchase.
Mercedes-benzAmg A352020, 2021Ask for service records and run the exact VIN before purchase.
Mercedes-benzAmg A35 4matic2020Ask for service records and run the exact VIN before purchase.
Mercedes-benzAmg Gla 352024, 2025Ask for service records and run the exact VIN before purchase.
Mercedes-benzAmg Gla 35 4matic2024, 2026Ask for service records and run the exact VIN before purchase.
Mercedes-benzAmg Gla352021-2023Ask for service records and run the exact VIN before purchase.
Mercedes-benzAmg Gla452021-2023Ask for service records and run the exact VIN before purchase.
Mercedes-benzAmg Glb352021-2025Ask for service records and run the exact VIN before purchase.
Mercedes-benzAmg Glb35 4matic2026Ask for service records and run the exact VIN before purchase.
Mercedes-benzGla 2502020-2026Ask for service records and run the exact VIN before purchase.
Mercedes-benzGla 250 4matic2021, 2024, 2026Ask for service records and run the exact VIN before purchase.
Mercedes-benzGlb 2502020-2026Ask for service records and run the exact VIN before purchase.
Mercedes-benzGlb 250 4matic2020, 2021, 2026Ask for service records and run the exact VIN before purchase.

Buyer checklist

  1. Run the 17-character VIN and confirm the year, make, model, engine and equipment match the listing.
  2. Check recall campaign pages for safety actions that may require dealer repair.
  3. Compare this bulletin with common problem pages for the same model and component area.
  4. Ask the seller or dealer whether the bulletin procedure, update or inspection has already been completed.
  5. Use the used-car buying checklist and get an independent inspection.

Frequently asked questions

What is NHTSA service bulletin 11032700?

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..

Is a service bulletin the same as a recall?

No. A recall is a safety campaign with a required remedy for affected VINs. A service bulletin or manufacturer communication usually describes diagnostic, repair, software, warranty or service information.

How should a used-car buyer use this bulletin?

Use it as a research signal. Compare it with recalls, owner complaints, service records, a VIN report and an independent inspection before buying.

Check the exact VIN before you buy

Model-level pages show public safety patterns. A full VIN report helps confirm the exact vehicle, decoded specs, recall applicability and buyer checks.

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