NHTSA service bulletin

NHTSA Service Bulletin 10253706: 2019-2021 Mercedes-benz A 220

Official manufacturer communication context for 2019-2021 Mercedes-benz A 220, with affected products, buyer checks and links into Carchieve recall, problem and VIN research.

NHTSA service bulletin 10253706 summary graphic for 2019-2021 Mercedes-benz A 220
10253706NHTSA document ID
Warranty program / extensioncommunication 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

IMPORTANT EMISSION EXTENDED WARRANTY INFORMATION In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA, LLC ("MBUSA") is extending the warranty coverage on the Fuel System Control Module (FSCM) software in certain Model Year ("MY") vehicles listed below from the original New Vehicle Limited Warranty of 4 years/50,000 miles to 15 years/150,000 miles (whichever occurs first) due to the following condition: Under certain circumstances, the FSCM software for the fuel pressure sensor and fuel temperature plausibility check may not meet specifications. As a result, the check engine Malfunction Indicator Lamp ("MIL") might illuminate. Please be advised that all repairs being claimed under this extended warranty must have a Quick Test uploaded with the following fault code information and may be audited. P146264 The sensor Low fuel pressure and fuel temperature has a malfunction. There is an implausible signal. -and/or- P146364 This error code can be ignored and erased. 'OR' Sensor Low fuel pressure and fuel temperature has a malfunction during calculation of the fuel pressure. There is an implausible signal. All repairs found to be functioning properly or without proper documentation will be returned and the claim debited in full. Only the following damage codes and parts may be claimed for the aforementioned repairs: Damage Codes: 47045 90 Control Unit, Fuel Pump - Software Parts (Software): A0009026661 Please note that damage incurred from abuse, accidents, vandalism or other non-warrantable causes that are not covered by the New Vehicle Limited Warranty are similarly not covered by this Extended Warranty. No part replacement is covered by this extended warranty.

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, 2020Ask for service records and run the exact VIN before purchase.
Mercedes-benzAmg A352020Ask for service records and run the exact VIN before purchase.
Mercedes-benzAmg Cla352020Ask for service records and run the exact VIN before purchase.
Mercedes-benzAmg Cla452020Ask for service records and run the exact VIN before purchase.
Mercedes-benzAmg Gla352021Ask for service records and run the exact VIN before purchase.
Mercedes-benzAmg Gla452021Ask for service records and run the exact VIN before purchase.
Mercedes-benzAmg Glb352020, 2021Ask for service records and run the exact VIN before purchase.
Mercedes-benzAmg Gle532021Ask for service records and run the exact VIN before purchase.
Mercedes-benzAmg Gle632020, 2021Ask for service records and run the exact VIN before purchase.
Mercedes-benzAmg Gle63 S2021Ask for service records and run the exact VIN before purchase.
Mercedes-benzAmg Gls632020, 2021Ask for service records and run the exact VIN before purchase.
Mercedes-benzCla 2502020Ask for service records and run the exact VIN before purchase.
Mercedes-benzGla 2502021Ask for service records and run the exact VIN before purchase.
Mercedes-benzGlb 2502020, 2021Ask for service records and run the exact VIN before purchase.
Mercedes-benzGle 3502020, 2021Ask for service records and run the exact VIN before purchase.
Mercedes-benzGle 4502020, 2021Ask for service records and run the exact VIN before purchase.
Mercedes-benzGle 5802020, 2021Ask for service records and run the exact VIN before purchase.
Mercedes-benzGls 4502020Ask 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 10253706?

IMPORTANT EMISSION EXTENDED WARRANTY INFORMATION In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA, LLC ("MBUSA") is extending the warranty coverage on the Fuel System Control Module (FSCM) software in certain Model Year ("MY") vehicles listed below from the original New Vehicle Limited Warranty of 4 years/50,000.

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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