NHTSA service bulletin

NHTSA Service Bulletin 11017210: 2019-2025 Mercedes-benz A 220

Official manufacturer communication context for 2019-2025 Mercedes-benz A 220, with affected products, buyer checks and links into Carchieve recall, problem and VIN research.

NHTSA service bulletin 11017210 summary graphic for 2019-2025 Mercedes-benz A 220
11017210NHTSA document ID
Service campaigncommunication type
23affected 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 The message "Device detected at diagnostics connection See Operators Manual" appears sporadically in the multifunction display of the instrument cluster while driving (see picture in attachment). Cause For vehicles with HERMES 3.0, A2389015700 A2389015800 A2389018400 A2389018900 A2389019000 A2389019800 A2579011200 A2579012100 the above-mentioned message is sporadically displayed in the instrument cluster once the over-the-air update to software release E843 (Software part number A2389022409) has been performed. The coding was performed incompletely here. Remedy A relevant over-the-air software update campaign for the control unit N112/9 (HERMES) is in preparation. If the vehicle is already on site, the problem can be rectified by manually commissioning the control unit N112/9 (HERMES) with XENTRY: XENTRY. "N112/9 - Control unit for telematics services (HERMES)" -> "Adaptations" -> "Control unit commissioning" -> "Commissioning of previously installed control unit"

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-benzAmg A352020, 2021Ask for service records and run the exact VIN before purchase.
Mercedes-benzAmg Cla352020-2024Ask for service records and run the exact VIN before purchase.
Mercedes-benzAmg Cla452020-2024Ask 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 45s2024Ask 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 Gle532021-2024Ask for service records and run the exact VIN before purchase.
Mercedes-benzAmg Gle63 S2021-2024Ask for service records and run the exact VIN before purchase.
Mercedes-benzCla 2502020-2024Ask for service records and run the exact VIN before purchase.
Mercedes-benzEqb 250+2023-2025Ask for service records and run the exact VIN before purchase.
Mercedes-benzEqb 300 4matic2022-2025Ask for service records and run the exact VIN before purchase.
Mercedes-benzEqb 350 4matic2022-2025Ask for service records and run the exact VIN before purchase.
Mercedes-benzGla 2502021-2025Ask for service records and run the exact VIN before purchase.
Mercedes-benzGlb 2502020-2025Ask for service records and run the exact VIN before purchase.
Mercedes-benzGle 3502020-2024Ask 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 11017210?

Complaint The message "Device detected at diagnostics connection See Operators Manual" appears sporadically in the multifunction display of the instrument cluster while driving (see picture in attachment). Cause For vehicles with HERMES 3.0, A2389015700 A2389015800 A2389018400 A2389018900 A2389019000 A2389019800 A2579011200 A2579012100 the above-mentioned message is sporadically displayed in the instrument cluster.

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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