Service bulletin EW - FSCM SW

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

NHTSA's summary

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. 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. 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.

The document

• NHTSA's copy of the document (PDF)
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The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Fuel system

Trouble codes named

P1462, P1463

Listing a model year does not mean every vehicle of it is concerned: the document says which.

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