SLK 350 (171.456) V6-3.5L (272.963) (2006)
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PROM - Programmable Read Only Memory: All Technical Service Bulletins
Engine Controls - Engine Squeal On Acceleration
Date: August 18, 2008
Order No.: P-B.54.21/202
Supersedes:
Group: 54
SUBJECT:
Model 171.456, Up to VIN F070672
Squealing Noise from Engine Compartment When Accelerating
If you receive customer reports in the above model vehicle of a squealing noise coming from the engine compartment when accelerating after the engine
control unit has been flashed from VC6.x to VC9.x or VC11.x, the ignition angle correction is not active in these versions. To resolve, flash the engine
control module to VC13, (as of DAS 5/08 or higher) and perform SCN coding.
Note:
Copy of the SDS short test and all tests performed must accompany returned parts. If the documentation is missing or does not support the diagnosis,
the warranty claim may be debited.
Note:
The following allowable labor operations should be used when submitting a warranty claim for this repair. This information has been generated on
August 18, 2008. Please refer to Netstar --> Star TekInfo --> Star Time for the most current labor time allowance.
In Case of Warranty, use the table.
