NHTSA ID Number: 11031636
Manufacturer Communication Number: EW - Camshaft Adjuster
TSB/Document Date: 2026-04-28
Summary
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)
News Channel Update |
Warranty
TO: Mercedes-Benz Dealer Principals, General
Managers, Sales Managers, Service Managers, Parts
Managers
RE: Extended Warranty Update
MY12-15 204, 172 (C250, C250 Coupe, SLK250)
M271 Camshaft Adjuster
Joe Haller, Department Manager – Warranty,
Gregory Gunther - Department Manager, Vehicle
Compliance and Analysis, Engineering Services
FROM:
DATE: May 17, 2021
IMPORTANT EXTENDED WARRANTY INFORMATION
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 extended
warranty is applicable to the following vehicles:
Model
C-Class
C-Class
SLK-Class
Model Years
2012-2014
2012-2015
2012-2015
Sales Designation
C250
C250 Coupe
SLK250
Engine Type
M271
M271
M271
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)
(IMPORTANT) Camshaft adjuster replacements are covered by this extended warranty for warrantable conditions, as follows:
(Always check VMI first to determine if a vehicle is covered under the 10 year/120,000 mile warranty period and confirm that it is one of the
above-mentioned models that are covered by this extended warranty)
1. If there is Quick Test Documentation with fault code information (P001477, P001600, P001762, P001662, P001177, P001700, P001192,
P001492, P034062, P036662); the Quick Test Documentation must be uploaded to pXD,
or;
2. If there is no fault code, the document LI05.10-P-058758 shall be completed and the guided troubleshooting in Xentry shall be performed.
Please check the VIN in NetStar/VMI before scheduling the appointment for the repair. Applicable vehicles are visible in NetStar/VMI as of
October 30, 2020
A letter was sent to owners notifying them of the warranty extension. If customers have already paid to have a repair related to the conditions
specified above, they may be eligible for reimbursement. Please advise the customer to follow the instructions detailed below (also included
in a copy of the customer letter). Reimbursement for prior repairs is limited to what is outlined as covered in this NCU. Replacements that
were performed for other reasons are not subject to reimbursement.
Mercedes-Benz
USA, LLC
One Mercedes
-Benz Drive
Sandy Springs, GA 30328
A Daimler AG Company
770.705.0600
News Channel Update |
Warranty
Reimbursement to Customers for Valid Repairs Performed Prior to Warranty Extension
Customers who have already paid to have any of the included components replaced may be eligible to receive reimbursement.
Requests for reimbursement may include parts, labor, fees and taxes.
Reimbursement may be limited to the amount the repair would have cost if completed by an authorized Mercedes-Benz
dealer.
The following documentation must be presented to the servicing or closest Mercedes
-Benz dealership for reimbursement:
Original or clear copy of all receipts, invoices and/or repair orders that show:
• The name and address of the person who paid for the repair.
• The Vehicle Identification Number (VIN) of the vehicle that was repaired.
• What problem occurred, what repair was done, when it was done and who repaired it.
• Only Mercedes
-Benz replacement parts were used for the repair.
• Fault Code (DTCs) information belonging to this Warranty Extension. (If any).
• The total cost of the repair expense that is being claimed.
• Proof of payment of repair (copy of front and back of cancelled check, or copy of credit card receipt).
• Reimbursement will be paid by a check from an authorized Mercedes
-Benz dealer.
Should you have any questions, please do not hesitate to open a Warranty Services case online.
Mercedes
-Benz USA, LLC
One Mercedes-Benz Drive
Sandy Springs, GA 30328
A Daimler AG Company
770.705.0600
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TSB/Document ID: EW - Camshaft Adjuster
Replacement Service Bulletin Number:
MFR Communication Date: 2021-05-17
MFR Internal Campaign ID/Software Version:
Communication Type: Warranty Program/Extension
NHTSA Components: ENGINE
MFR Component System:
MFR Component Subsystem:
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