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NHTSA ID Number: 11031817

Manufacturer Communication Number: CL- HP Fuel Pump

TSB/Document Date: 2026-05-01


Summary

The purpose of this letter is to advise you of additional benefits that Mercedes-Benz USA, LLC (“MBUSA”) is providing to you regarding your vehicle ownership. What’s Included In our continuing efforts to assure the proper performance of MercedeseBay logo-Benz products and to enhance the satisfaction of our customers, MBUSA is extending the warranty on the high-pressure fuel pump due to a potential failure that should result in reduced fuel pressure and an activation of the Malfunction Indicator Lamp (MIL). The original New Vehicle Limited Warranty of 4 years / 50,000 miles is extended to 10 years/120,000 miles (whichever occurs first). This limited warranty extension to the existing high-pressure fuel pump applies to the vehicle regardless of ownership. This warranty extension only covers replacement of the high-pressure fuel pump. The following vehicles are included: Any repairs under this warranty extension must be performed by an authorized MercedeseBay logo-Benz dealership. This extended warranty does not cover any other components beyond the ones mentioned above, and standard warranty terms apply, including the exclusions with respect to extra expenses, as identified in the Service and Warranty Information booklet. In the case of failure of any other components other than the aforementioned part beyond the vehicle’s basic warranty of 4 years/50,000 miles, the associated repair will not be covered and will remain your responsibility.


Important Warranty Extension Information
High Pressure Fuel Pump
VIN:

November, 2021

Dear Mercedes-BenzeBay logo Owner,
The purpose of this letter is to advise you of additional benefits that MercedeseBay logo-Benz USA, LLC (“MBUSA”) is
providing to you regarding your vehicle ownership.
What’s Included
In our continuing efforts to assure the proper performance of MercedeseBay logo-Benz products and to enhance the
satisfaction of our customers, MBUSA is extending the warranty on the high-pressure fuel pump due to a potential
failure that should result in reduced fuel pressure and an activation of the Malfunction Indicator Lamp (MIL). The
original New Vehicle Limited Warranty of 4 years / 50,000 miles is extended to 10 years/120,000 miles (whichever
occurs first). This limited warranty extension to the existing high-pressure fuel pump applies to the vehicle
regardless of ownership.
This warranty extension only covers replacement of the high-pressure fuel pump. The following vehicles are
included:
Model
C-Class
C-Class
SLK-Class

Model Years
MY2012-2014
MY2012-2015
MY2012-2015

Sales Designation
C250
C250 Coupe
SLK250

Any repairs under this warranty extension must be performed by an authorized MercedeseBay logo-Benz dealership. This
extended warranty does not cover any other components beyond the ones mentioned above, and standard warranty
terms apply, including the exclusions with respect to extra expenses, as identified in the Service and Warranty
Information booklet. In the case of failure of any other components other than the aforementioned part beyond the
vehicle’s basic warranty of 4 years/50,000 miles, the associated repair will not be covered and will remain your
responsibility.
What if I already paid for a repair?
If your vehicle has exceeded the original warranty’s mileage or time period, and you have already paid to have your
high-pressure fuel pump replaced due to the above described condition, you may be eligible to receive
reimbursement under this warranty extension. Reimbursement for your replacement costs can be obtained by
presenting adequate documentation to your authorized Mercedes-Benz dealer. Requests for reimbursement may
include expenses for Mercedes-Benz replacement 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. Contact your
Mercedes-Benz dealer for more information on obtaining this reimbursement. Repairs performed by a nonMercedes-Benz dealership might not be reimbursed.
Please contact your authorized Mercedes-BenzeBay logo dealership for assistance or additional information (or visit
www.mbusa.com). If your dealer is unable to remedy your situation, please contact us at 1-800-367-6372.
Please place the enclosed warranty extension addendum to the inside back cover of your vehicle’s Service and
Warranty Information Booklet for future reference if necessary, as well as a copy of this letter.
We hope you are enjoying your Mercedes-BenzeBay logo vehicle and we apologize for any inconvenience you may have
experienced.
Sincerely,

Reimbursement to Customers for Valid Repairs Performed Prior to Receipt of this letter
If you have already paid to have any of the included components replaced, you 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 MercedesBenz dealer.
The following documentation must be presented to your servicing or closest Mercedes-BenzeBay logo 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 your authorized Mercedes-Benz dealer.

Service and Warranty
Mercedes-Benz New Vehicle Limited Warranty Coverage Addendum
Warranty Coverage Extension:
High Pressure Fuel Pump with
activation of Malfunction Indicator
Lamp (‘MIL”)
The following applies to certain
model years: 2012 – 2015 C-Class,
SLK-Class (204, 172 platforms)
vehicles.
The Mercedes-BenzeBay logo New Vehicle
Limited warranty on the High
Pressure Fuel Pump is extended to
10 years / 120,000 miles
(whichever occur first) from the
vehicle’s warranty start date.

Other components are not covered
by this warranty extension.

All other warranty terms and
exclusions apply to this extension.

This extension of the MercedesBenz New Vehicle Limited
Warranty applies to these vehicles
regardless of ownership.

© 2021 Mercedes-Benz USA, LLC
(01/22)
Please insert this addendum to the inside back cover of your Service and Warranty Information Booklet located in your
vehicle's glove box.

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TSB/Document ID: CL- HP Fuel Pump

Replacement Service Bulletin Number:

MFR Communication Date: 2021-11-05

MFR Internal Campaign ID/Software Version:

Communication Type: Other

NHTSA Components: FUEL/PROPULSION SYSTEM

MFR Component System:

MFR Component Subsystem:


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