NHTSA ID Number: 11031944
Manufacturer Communication Number: LI91-18-N-080032
TSB/Document Date: 2026-05-02
Summary
Complaint Crease formation on genuine leather seat covers in vehicles with low mileage Cause • objects left on the seats for extended periods of time (pressure marks) • objects wedged between the seat backrest and seat cushion (e.g. seat belt buckle) • light initial creases due to vehicle handling • light creases in the outer covers originating from the production process (missing finish) Remedy Heat treatment of the seat covers using heat gun and plastic wedge (Please see provided video)
Crease Removal on Genuine Leather Seats
Topic number
LI91.18-N-080032
Version
1
Function group
91.18 - Seat covers
Date
4/8/26
Validity
Vehicles with genuine leather seat covers
Reason for change
Complaint
Crease formation on genuine leather seat covers in vehicles with low mileage
Cause
•
•
•
•
objects left on the seats for extended periods of time (pressure marks)
objects wedged between the seat backrest and seat cushion (e.g. seat belt buckle)
light initial creases due to vehicle handling
light creases in the outer covers originating from the production process (missing finish)
Remedy
Heat treatment of the seat covers using heat gun and plastic wedge (Please see provided video)
Attachments
File
Description
Wrinkle_removal_ENG.mp4
Disclaimer
NOTE: The information contained in this document is intended for use by trained, professional technicians with the
knowledge to properly and safely perform diagnosis and repairs on Mercedes-Benz
vehicles, using Mercedes-Benz
approved tools and equipment. It informs service technicians about conditions that could occur in certain vehicles and
provides information that could assist in proper vehicle diagnosis, service, or repair. It does not indicate that a defect
is present in any vehicle referenced in this document nor does it imply warranty coverage. DO NOT assume that a
symptom or condition, or a described cause of a symptom or condition, affects any particular vehicle or groups of vehicles, or that a described repair applies to any particular vehicle or groups of vehicles. There can be multiple causes
resulting in the same or similar symptoms or conditions described in this document, and trained professional service
technicians must use their diagnostic skills to make evaluations on a case-by-case basis. The information contained
in this document does not guarantee warranty coverage nor does it extend the vehicle’s warranty in any way.
Symptoms
Body > Seat > Seat cover > Folds
Parts
29.04.2026 18:55
© Copyright Mercedes-Benz AG
CCUSHWA
Page 1 / 2
Part number
ES1 ES2 Designation
W115589035900
Quantity Note
Long wedge
EPC
1
X
Operation numbers/damage codes
Op. no.
Operation text
29.04.2026 18:55
© Copyright Mercedes-Benz AG
Time
CCUSHWA
Damage
code
Note
Page 2 / 2
- Very Comfortable. Avoid discomfort rubbing and irritation...
- Premium Quality. Seat belt pad is made of polyester fiber...
- Universal Design. It fits most straps, 11 inches long x...
- Easy to Install. They have a piece of durable Velcro on the...
- Wide Application. Seat belt pad is can used for car, truck...
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TSB/Document ID: LI91-18-N-080032
Replacement Service Bulletin Number:
MFR Communication Date: 2026-04-09
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: STRUCTURE:BODY
MFR Component System:
MFR Component Subsystem:
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