NHTSA service bulletin

NHTSA Service Bulletin 10238420: 2022, 2023 Mercedes-benz Amg Sl43

Official manufacturer communication context for 2022, 2023 Mercedes-benz Amg Sl43, with affected products, buyer checks and links into Carchieve recall, problem and VIN research.

NHTSA service bulletin 10238420 summary graphic for 2022, 2023 Mercedes-benz Amg Sl43
10238420NHTSA document ID
Manufacturer communicationcommunication type
3affected 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

Rear spoiler sporadically remains in opened or closed position and a fault message appears in the instrument cluster. The rear spoiler can then no longer be actuated manually using the button. The function of the rear spoiler is re-established after an ignition reset and the fault message is no longer present in the instrument cluster. Software of the AMG DRIVE UNIT. Remedy valid for all vehicles of model series 232 with software A 000 902 16 90 on control unit N145/1 AMG Drive Unit and up to and including manufacturing date May 31, 2023

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 Sl432022, 2023Ask for service records and run the exact VIN before purchase.
Mercedes-benzAmg Sl552022, 2023Ask for service records and run the exact VIN before purchase.
Mercedes-benzAmg Sl632022, 2023Ask 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 10238420?

Rear spoiler sporadically remains in opened or closed position and a fault message appears in the instrument cluster. The rear spoiler can then no longer be actuated manually using the button. The function of the rear spoiler is re-established after an ignition reset and the fault message is no longer present in the instrument cluster. Software of the AMG DRIVE UNIT. Remedy valid for all vehicles of model series.

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.

Get Full Report