Service bulletin LI54.71-P-080315
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 | 11029085 |
| Published by NHTSA | 2026-02-28 |
| Manufacturer's number | LI54.71-P-080315 |
| Manufacturer's date | 2026-02-26 |
| NHTSA component | ELECTRICAL SYSTEM; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL |
NHTSA's summary
Complaint Brief (a few seconds), self-healing "driver assistance systems unavailable" messages are expected and normal due to system limitations and environmental effects. No case is necessary for these. Please refer to the Owner's Manual for driver assistance system limitations and environmental effects. If the vehicle is on MB.OS 1.3.0 or later and the "driver assistance systems unavailable" message displays in the instrument cluster and either: • DOES NOT clear within a few seconds OR • Appears on every key cycle and DOES NOT clear NOTE: To find the MB.OS version number: 1. Navigate to VeDoc. 2. Go to "Control Units" tab. 3. Find the header bar labeled "Vehicle Information for Control Units". 4. Locate "MB.OS car package release customer version". Cause Under Determination. Remedy Open a TIPS case to the Body/Chassis/Entertainment inbox based on the symptom below: If vehicle is still actively showing the white driver assist message: Do not shut off the vehicle and gather the following: • Quicktest • N62/5 Driver Assistance Control Unit Log with all sensors included. • Other control unit logs that are referenced in N62/5 DTC's. If the vehicle is not actively showing the white driver assist message: • Quicktest • N62/5 Driver Assistance Control Unit Log with all sensors included.
The document
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
Driver assistance, Electrical system, Adaptive cruise control
| MERCEDES-BENZ CLA 250+ (EV) | 2026 |
|---|---|
| MERCEDES-BENZ CLA 350 4MATIC (EV) | 2026 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.