NHTSA service bulletin

NHTSA Service Bulletin 10231027: 2021-2023 Mercedes-benz Amg Eqs

Official manufacturer communication context for 2021-2023 Mercedes-benz Amg Eqs, with affected products, buyer checks and links into Carchieve recall, problem and VIN research.

NHTSA service bulletin 10231027 summary graphic for 2021-2023 Mercedes-benz Amg Eqs
10231027NHTSA document ID
Manufacturer communicationcommunication type
12affected product rows
90/100quality score

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 Message in IC: "Active Brake Assist function restricted". "Active Emergency Stop Assist inoperative" "Active Lane Keeping Assist inoperative" "Active Blind Spot Assist inoperative" Note: The problem can occur after a software update of control unit N62/4 - Driver assistance system A quick test may not show any relevant fault codes related to the IC messages. Cause In rare cases, it may be that no automatic SCN coding was performed after control unit N62/4- driver assistance system was programmed. Remedy Perform SCN coding of N62/4 Driver assistance system

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-benzAmg Eqs2022Ask for service records and run the exact VIN before purchase.
Mercedes-benzAmg S632021Ask for service records and run the exact VIN before purchase.
Mercedes-benzC 3002022Ask for service records and run the exact VIN before purchase.
Mercedes-benzEqs 4502022Ask for service records and run the exact VIN before purchase.
Mercedes-benzEqs 5802022Ask for service records and run the exact VIN before purchase.
Mercedes-benzEqs4502023Ask for service records and run the exact VIN before purchase.
Mercedes-benzS 5002021, 2022Ask for service records and run the exact VIN before purchase.
Mercedes-benzS 5602021Ask for service records and run the exact VIN before purchase.
Mercedes-benzS 5802021, 2022Ask for service records and run the exact VIN before purchase.
Mercedes-maybachS 5602021Ask for service records and run the exact VIN before purchase.
Mercedes-maybachS 5802021, 2022Ask for service records and run the exact VIN before purchase.
Mercedes-maybachS 6802022Ask 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 10231027?

Complaint Message in IC: "Active Brake Assist function restricted". "Active Emergency Stop Assist inoperative" "Active Lane Keeping Assist inoperative" "Active Blind Spot Assist inoperative" Note: The problem can occur after a software update of control unit N62/4 - Driver assistance system A quick test may not show any relevant fault codes related to the IC messages. Cause In rare cases, it may be that no.

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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