NHTSA service bulletin

NHTSA Service Bulletin 11031636: 2012-2015 Mercedes-benz C250

Official manufacturer communication context for 2012-2015 Mercedes-benz C250, with affected products, buyer checks and links into Carchieve recall, problem and VIN research.

NHTSA service bulletin 11031636 summary graphic for 2012-2015 Mercedes-benz C250
11031636NHTSA document ID
Warranty program / extensioncommunication 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

This NCU replaces the prior NCUs issued on October 30, November 09 & November 20, 2020 and contains clarification on the replacement of the Camshaft Adjuster under this extended warranty. Mercedes-Benz AG (MBAG), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (MY) 2012-2015 Mercedes-Benz Model 204 and 172 vehicles (C250 and SLK250), the warranty on the camshaft adjuster will be extended from the original 4 years/50,000 miles to 10 years/120,000 miles (whichever occurs first) from the original warranty start date. This extended warranty applies to the replacement of the camshaft adjuster if the vehicle falls within the scope of the extended warranty (e.g., within the time/mileage limitations and where replacement of the part is for a warrantable condition, as set forth below). The following damage codes and parts kit can only be claimed for the replacement of the camshaft adjuster: Damage Code: 05050 Camshaft adjustment, intake camshaft Damage Code: 05052 Camshaft adjustment, exhaust camshaft Parts: A 271 050 21 00 80 Camshaft adjuster, kit (ensure all parts in the kit are replaced when performing repair)

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-benzC2502012-2015Ask for service records and run the exact VIN before purchase.
Mercedes-benzSlk2502013Ask for service records and run the exact VIN before purchase.
Mercedes-benzSlk2502014, 2015Ask 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 11031636?

This NCU replaces the prior NCUs issued on October 30, November 09 & November 20, 2020 and contains clarification on the replacement of the Camshaft Adjuster under this extended warranty. Mercedes-Benz AG (MBAG), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (MY) 2012-2015 Mercedes-Benz Model 204 and 172 vehicles (C250 and SLK250), the warranty on the camshaft adjuster will.

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