# Service bulletin LI91.25\-P\-071314

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.

- Type: Service bulletin
- NHTSA id: 10177555
- Published by NHTSA: 2020\-07\-27
- Manufacturer's number: LI91.25\-P\-071314
- Manufacturer's date: 2020\-06\-16
- NHTSA component: SEATS; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY

## NHTSA's summary

When the dynamic seat is activated, the tensioning straps on the seat backrest frame may creak. The tensioning straps are in contact with the seat backrest frame and as a result, a creaking noise may occur. Apply lubricant \(Krytox\) between the tensioning strap and the seat backrest frame.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10177555-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10177555-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Equipment and accessories, Seats

## Vehicles listed

- 2020 MERCEDES\-BENZ AMG E63S
- 2020 MERCEDES\-BENZ AMG GT
- 2020 MERCEDES\-BENZ AMG GT53
- 2020 MERCEDES\-BENZ AMG GT63
- 2020 MERCEDES\-BENZ AMG GT63S
- 2020 MERCEDES\-BENZ CLS 450
- 2020 MERCEDES\-BENZ E 350
- 2020 MERCEDES\-BENZ E 450
- 2020 MERCEDES\-BENZ E63 AMG

## Recalls for the same vehicles and component

- [2020632](/recalls/tc/2020632.md), 2020-12-18: Accessories
- [2020253](/recalls/tc/2020253.md), 2020-06-09: Seats And Restraints
- [20V328000](/recalls/nhtsa/20V328000.md), 2020-06-05: SEATS:MID/REAR ASSEMBLY

## Other bulletins for the same vehicles and component

- [LI91.18\-P\-077075](/bulletins/10248162.md), 2024-01-03, Service bulletin: SEATS. Crease formation on genuine leather seat covers in vehicles with low mileage • 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 \(missing finish\). Heat treatment of the seat covers using heat gun and plastic wedge. Be very careful to not overheat the seat material\!
- [LI82.85\-P\-076799](/bulletins/10241790.md), 2023-09-05, Service bulletin: ELECTRICAL SYSTEM; EQUIPMENT. The Mercedes me connect services cannot be activated. The remote status data does not update. Error in N112/9 \- control unit for telematics services \(HERMES\). In the HERMES control unit log, under the "URL" tab, the value DEFAULT is stored for "atpServerUrl" and/or "rcsServerUrl". Please carry out a re\-commissioning of the control unit N112/9 \- Control unit for telematics services \(HERMES\), which includes both a software update as well as coding. The fault will be rectified by the newly included coding. As a result of the software update to the current software of the control unit N112/9 \- Control unit for telematics services \(HERMES\), this fault will no longer occur in future.
- [LI82.85\-P\-075375](/bulletins/10238424.md), 2023-07-03, Service bulletin: COMMUNICATION:MANUFACTURER TELEMATICS; EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE; ELECTRICAL SYSTEM; UNKNOWN OR OTHER. In the MBUX weather app, the temperature is displayed in the wrong unit \(Fahrenheit instead of °C, or vice versa\). Temperature setting in Mmc mobile application settings incorrect Remedy Adjust the setting in the Mercedes me connect app via mobile phone \(settings \-\> units\)
- [LI82.85\-P\-075044](/bulletins/10217163.md), 2022-08-04, Service bulletin: EQUIPMENT; ELECTRICAL SYSTEM. Complaint The Apple Carplay interface cannot be controlled via the center console touchpad or the right\-hand steering wheel touchpad. Cause A setting on the iPhone may prevent control via the touchpad Remedy To remedy on the affected iPhone, navigate to "Settings" \-\> "Accessibility" \-\> "Touch" and turn the "BackTap" option OFF.
- [LI46.15\-P\-063353](/bulletins/10217157.md), 2022-08-04, Service bulletin: STEERING; EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE. Complaint Height adjustment of electric steering column adjustment jammed in the top/bottom adjustment position \(e.g. with Easy Entry function\). Cause Height adjustment moves to the top/bottom limit stop and jams. 1. Steering column height adjustment transmission 2. Seat control unit software Remedy There are 2 repair procedures to follow depending on vehicle \(differentiated according to model and vehicle manufacturing date\) 1. Replace repair kit for steering column height adjustment 2. Perform software update of driver's seat control unit
- [LI91.30\-P\-074540](/bulletins/10210932.md), 2022-05-04, Service bulletin: ELECTRICAL SYSTEM; SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER. Complaint The seat heating for the front seats is nonfunctional, the LEDs on the buttons are however, active. Cause Faulty coding. Remedy 1. Coding of control unit N10/8 \- Rear signal acquisition and actuation module \(SAM\-H\). 2. Commissioning of front seat heating. If problem persists, please open a PTSS case with a short video showing complaint
- [LI83.57\-P\-074092](/bulletins/10207202.md), 2022-02-04, Service bulletin: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; EQUIPMENT; ELECTRICAL SYSTEM. Complaint No longer possible to adjust the temperature at the "Touchscreen Rear" \(part of Rear Business Package, code 224\) Cause Software error in the head unit. Remedy Warning: Replacing parts does not solve the problem\! A software remedy for the head unit is currently in development. As soon as the software remedy is available, this TIPS document will be updated.
- [LI18.00\-P\-073137](/bulletins/10207183.md), 2022-02-04, Service bulletin: ENGINE AND ENGINE COOLING; EQUIPMENT. Complaint Sporadic warning message in instrument cluster "Engine oil pressure stop switch off vehicle" \(or similar\) is shown in red on vehicles with low mileage. Cause Directional control valve may stick. Remedy 1\- Read off oil level in instrument cluster and correct if necessary. 2\- Perform approx. 10\-15 engine starts, then clear fault codes. 3\- Perform road test with vehicle. If fault code reoccurs during road test: Install new directional control valve.
- [LI8285P073387Ver](/bulletins/10205812.md), 2022-01-03, Service bulletin: EQUIPMENT:ELECTRICAL. The customer may note that the Dashcam feature is inoperable with one of the following complaints.
- [LI8285P073387Ver](/bulletins/10205811.md), 2022-01-03, Service bulletin: EQUIPMENT:ELECTRICAL. The customer may note that the Dashcam feature is inoperable with one of the following complaints.

JSON: [/v1/bulletins/10177555](/v1/bulletins/10177555)

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