News Channel Update |

Warranty

FROM: Teresa

Clemmer, Senior Manager – Warranty,
Gregory Gunther - Senior Manager, Vehicle
Compliance and Analysis, Engineering Services

TO: Mercedes-Benz

Dealer Principals, General Managers,
Sales Managers, Service Managers, Parts Managers
Emission Extended Warranty – Fuel System Control
Module (FSCM) Software MY19-MY20 A-Class (177),
MY20 CLA-Class (118), MY21 GLA-Class (H247), MY20-21
GLB-Class (X247) and MY20-21 GLE/GLS-Class (167)
RE:

DATE:

April 12, 2024

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.
Model Model Years
A-Class 2019 – 2020
CLA-Class 2020
GLA-Class 2021
GLB-Class 2020 - 2021
GLE-Class 2020 – 2021

GLS-Class 2020 - 2021

Sales Designation
A220, A220 4MATIC, AMG A 35 4MATIC
AMG CLA 35 4MATIC, AMG CLA 45 4MATIC, CLA 250,
CLA 250 4MATIC
AMG GLA 35, AMG GLA 45, GLA 250, GLA 250
4MATIC
AMG GLB 35, GLB 250, GLB 250 4MATIC
AMG GLE 53 4MATIC+, AMG GLE 53 4MATIC+
(Coupe), AMG GLE 63S, AMG GLE 63S (Coupe), GLE
350, GLE 350 4MATIC, GLE 450 4MATIC, GLE 580
4MATIC
AMG GLS 63, GLS 450 4MATIC, GLS 580 4MATIC,
GLS 600 4MATIC Maybach

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.

Mercedes-Benz USA, LLC
One Mercedes-Benz Drive

A Mercedes-Benz Group AG Company

Sandy Springs, GA 30328

770.705.0600

News Channel Update |

Warranty

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.
IMPORTANT:
1) Always check VMI to determine if a vehicle is covered under the 15 years / 150,000 miles warranty period.
2) Quick Test Documentation with fault code information must be uploaded to pXD.
Please check the VIN in NetStar/VMI before scheduling the appointment for the repair. Applicable vehicles will be visible in
NetStar/VMI on April 12, 2024.
Approximately two weeks after the posting of this NCU, a letter will be 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.

Mercedes-Benz USA, LLC
One Mercedes-Benz Drive

A Mercedes-Benz Group AG Company

Sandy Springs, GA 30328

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 a repair to the FSCM software resulting in a check engine MIL activation may be
eligible to receive reimbursement.
Requests for reimbursement may include expenses for Mercedes-Benz replacement parts, labor, fees and taxes. Requests for
reimbursement costs that were not related to the aforementioned conditions will not be honored.
Reimbursement may be limited to the amount the repair would have cost if completed by an authorized MercedesBenz dealership and repairs performed by a non-Mercedes-Benz dealership might not be reimbursed.
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 for the 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 dealership, which may take up to 60
days.

Should you have any questions or concerns, please do not hesitate to open a OneTRAC case online.

Mercedes-Benz USA, LLC
One Mercedes-Benz Drive

A Mercedes-Benz Group AG Company

Sandy Springs, GA 30328

770.705.0600