NHTSA service bulletin

NHTSA Service Bulletin 11030301: 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 Mercedes Benz A 220

Official manufacturer communication context for 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 Mercedes Benz A 220, with affected products, buyer checks and links into Carchieve recall, problem and VIN research.

NHTSA service bulletin 11030301 summary graphic for 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 Mercedes Benz A 220
11030301NHTSA document ID
Manufacturer communicationcommunication type
164affected product rows
164source 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 The intent of this document is to provide workshops with helpful technical reference language. Commonly used acronyms in LI's and TIPS cases. Control unit names, numbers, and how to identify. Network/wiring architecture groups to baumuster quick reference. Platform to baumuster quick reference. Cause Information only Remedy Acronyms: AV = Actual Values CU = Control Unit CUL = Control Unit Log DTC = Diagnostic Trouble Code E-Stand = Fresh-up head unit boot software (found in head unit control unit log) FUP = Fresh-up FW = Firmware HSVL = High Speed Video Line HU = Head Unit HW = Hardware IPD = Injector Performance Data ISU = Initial Start Up LVDS = Low Voltage Differential Signal NAG"x" = New Automatic Gearbox ("x" is the generation number, example: NAG3) NSFT = Not Safe For Transport MOPF = Model Facelift (Ex: 167 MOPF) PiH = Plug-in Hybrid P3 Hybrid = AMG Plug-in Hybrid with rear drive unit SA Code = Sonderausstattungscode (Option Code) SCN = Software Calibration Number SW = Software TCU = Telecommunication Control Unit (Hermes/Ramses/Etc...) QT = Quicktest XD = XENTRY Diagnosis Control Unit Identification: Refer to the attachment "Control Unit Nomenclature" for location of each. Control Unit Name Control Unit Number Control Unit Short name Control Unit Diogenes ("dy-oj-uh-neez") name - Control unit variant/family. Network/Wiring Architecture to Baumuster Quick Reference: Star 1 117, 156, 246 (MFA) 166, 176, 221, 242, 246, 292 906 Star 2 205, 213, 238, 253, 257, 290 (MRA) 117, 156, 246 (MFA) 118, 177, 243, 247 (MFA2) 167, 222, 292, 463, 465 907 Star 3 294, 295, 296, 297 (EVA2) 206, 214, 223, 236, 254 (MRA2) 192 and 232 (MSA) Star 3.5 174 178 Platform to Baumuster Quick Reference: MRA = "Mercedes-Benz Rearwheel Architecture": 205 213 222 238 253 257 290 MRA2 = "Mercedes-Benz Rearwheel Architecture - Generation 2": 206 214 223 236 254 MFA = "Mercedes-Benz Frontwheel Architecture" 117 156 246 MFA2 = "Mercedes-Benz Frontwheel Architecture - Generation 2" 118 177 243 247 EVA1.5 = "Electric Vehicle Architecture" 243 EVA2 = "Electric Vehicle Architecture - Generation 2" 294 295 296 297 MSA = "Mercedes-Benz Sport Architecture" 192 232 MMA = "Mercedes-Benz Modular Architecture" 174 178

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 BenzG5002002-2008Ask for service records and run the exact VIN before purchase.
Mercedes BenzG552003-2009Ask for service records and run the exact VIN before purchase.
Mercedes BenzG5502009Ask for service records and run the exact VIN before purchase.
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 C432023, 2024Ask for service records and run the exact VIN before purchase.
Mercedes-benzAmg C43 4matic2023-2026Ask for service records and run the exact VIN before purchase.
Mercedes-benzAmg C63 S E2023Ask for service records and run the exact VIN before purchase.
Mercedes-benzAmg C63 S E2024Ask for service records and run the exact VIN before purchase.
Mercedes-benzAmg C63 S E 4matic+2024, 2025Ask for service records and run the exact VIN before purchase.
Mercedes-benzAmg C63 S E Performance 4matic+2026Ask 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 Cla35 4matic2020, 2026Ask 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 Cla45 4matic2020Ask for service records and run the exact VIN before purchase.
Mercedes-benzAmg Cla45s 4matic+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 11030301?

Complaint The intent of this document is to provide workshops with helpful technical reference language. Commonly used acronyms in LI's and TIPS cases. Control unit names, numbers, and how to identify. Network/wiring architecture groups to baumuster quick reference. Platform to baumuster quick reference. Cause Information only Remedy Acronyms: AV = Actual Values CU = Control Unit CUL = Control Unit Log DTC =.

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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