122-W5C4C-03

Service
Technical Information
22/13
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Complaint "Seat Cover Wrinkled" (22/13)
Revisions:
Revision 1 — This bulletin replaces bulletin dated April 13, 2013. This information is now applicable
for all model lines.
Model Year:
As of 2012
Model line:
All model lines
Concerns:
Look of the seat cover
Situation:
Procedure in the event of complaint "Seat cover wrinkled".
If wrinkles or bulges are visible on a seat cover (e.g.  Figure 1), these do not constitute a defect.
Figure 1
Information
Leather is a natural product and has so-called “natural characteristics”. These characteristics are:
•
Leather is a fibrous material. It is skin.
•
Each hide varies in its composition, strength, flexibility, etc.
•
The fibers can stretch and shrink a small amount.
•
Stretching beyond this amount breaks bonds between the fibers.
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This stretching is irreversible and is the kind of stretching that body weight, heat and perspiration
normally cause. / Wrinkling, creasing and bulging are results of this kind of normal stretching (as
shown in the above photo of the seat.
•
The larger the upholstered surface, the greater the tendency to crease and bulge.
leather fiber
Note:
•
Automotive upholstery is not cut from the exactly the same location and the exact same
orientation on each hide.
•
This can vary from hide to hide.
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The result is that there can be variations between leather upholstered components.
•
Body heat, perspiration and body weight cause fabric and leather to stretch, resulting in
“wrinkles”.
This visual change is perfectly normal and does
•
not affect its use, function or service life
•
and is not a defect.
 If a visual flaw that is clearly different from the "natural characteristics" described here is found, the
seat cover must be replaced:
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Sufficient documentation with corresponding pictures (clear overview and detailed photos)
must be provided.
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The seat cushion is not the cause of these wrinkles and must not therefore be replaced.
Important Notice: Technical Bulletins issued by Porsche Cars North America, Inc. are intended only for use by professional automotive technicians who have attended Porsche service training
courses. They are written to inform those technicians of conditions that may occur on some Porsche vehicles, or to provide information that could assist in the proper servicing of a vehicle. Porsche special
tools may be necessary in order to perform certain operations identified in these bulletins. Use of tools and procedures other than those Porsche recommends in these bulletins may be detrimental to the
safe operation of your vehicle, and may endanger the people working on it. Properly trained Porsche technicians have the equipment, tools, safety instructions, and know-how to do the job properly and
safely. Part numbers listed in these bulletins are for reference only. The work procedures updated electronically in the Porsche PIWIS diagnostic and testing device take precedence and, in the event of a
discrepancy, the work procedures in the PIWIS Tester are the ones that must be followed.
© 2020 Porsche Cars North America, Inc.
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