NHTSA Service Bulletin 11023043: 2024, 2025 Mercedes-benz Amg Glc43
Official manufacturer communication context for 2024, 2025 Mercedes-benz Amg Glc43, with affected products, buyer checks and links into Carchieve recall, problem and VIN research.
Reviewed June 2026 from NHTSA manufacturer communication and service bulletin records. Carchieve is independent and not affiliated with any vehicle manufacturer or government agency.
Complaint Harsh 1-2, 2-3, and/or 3-4 shift Jerky shifting Jolting when accelerating from stop Cause Insufficient powertrain software Remedy Please continue with the following: 1. Check transmission oil level and correct, if necessary (transmission oil temperature > 60 C) 2. Perform Xentry Valve Flushing procedure at least 3x 3. Perform a standstill adaptation, then read out new EEPROM data If the concern is still present: 4. Perform driving adaptation(s) below 5x for harsh gear shift using the following criteria: Note: There is no menu in Xentry for this procedure. We recommend displaying the torque in the instrument cluster. If all below parameters are met at the time the shift, a driving adaptation will automatically occur. Harsh 1-2 Perform a driving adaptation of 4-5 (adapts K81 for the 1-2 shift) Harsh 2-3 Perform a driving adaptation of 2-3 (adapts B05 directly) Harsh 3-4 Perform a driving adaptation of 3-4 (adapts K27 directly) - Level track (no incline/decline) - Slippery drive program - Display the torque in the instrument cluster: The torque must be between 100 and 250 Nm (about 184 ft lbs), preferably closer to the maximum torque - Constant engine torque - Engine speed below 2500 rpm - Do not shift via paddle If the concern still persists, please submit a TIPS case to the Powertrain inbox and ensure the following is included: - Initial Quick Test w/ Freeze Frame Data - VGS Control Unit Log - Initial EEPROM (before any adaptations or Xentry procedures were performed) - EEPROM data after all driving adaptations
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
Buyer checklist
- Run the 17-character VIN and confirm the year, make, model, engine and equipment match the listing.
- Check recall campaign pages for safety actions that may require dealer repair.
- Compare this bulletin with common problem pages for the same model and component area.
- Ask the seller or dealer whether the bulletin procedure, update or inspection has already been completed.
- Use the used-car buying checklist and get an independent inspection.
Frequently asked questions
What is NHTSA service bulletin 11023043?
Complaint Harsh 1-2, 2-3, and/or 3-4 shift Jerky shifting Jolting when accelerating from stop Cause Insufficient powertrain software Remedy Please continue with the following: 1. Check transmission oil level and correct, if necessary (transmission oil temperature > 60 C) 2. Perform Xentry Valve Flushing procedure at least 3x 3. Perform a standstill adaptation, then read out new EEPROM data If the concern is still.
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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