Traffic Sign for Traffic Sign Assist Blinking in Instrument
Cluster; with speed limit, without speed limit, or between
US and European sign without obvious cause - No DTC
Topic number

LI54.71-P-079104

Version

6

Function group

54.71 - Camera and radar-assisted assistance systems

Date

4/14/26

Validity

Vehicles equipped with code option code 513 (Traffic
Sign Assist).
167, 294, 295, 296, 297, 206, 214, 223, 236, 254, 192,
232

Reason for change

Requesting cases

Complaint
Traffic sign symbol for "Traffic Sign Assist" is blinking in instrument cluster without obvious cause usually with one of
the following scenarios:
•
•
•

Flashing without a speed limit ("- -").
Flashing when current vehicle speed is under speed limit.
Flashing between US speed limit symbol and European speed limit symbol.

NOTE:
•
•

Verify that the concern falls under one of the attachment videos. If not, then it is outside of the scope of this LI.
This also does not cover "Traffic Sign Inoperative" messages on the instrument cluster.

Attachments
File

Description

TSA_Euro Sign Flashing.mp4
TSA Sign Flashing.mp4

Cause
There are two identified reasons for this concern:
1.
2.

Country code information stored incorrectly at a particular geographic latitude range.
Incorrect reference data when the vehicle is started and a GPS signal is not immediately available.

Remedy
Do not replace parts.
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© Copyright Mercedes-Benz AG

SAHARRY

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Please open a TIPS case to the Body/Chassis/Entertainment inbox but read the below carefully:
•
•
•
•

The vehicle must be exhibiting the concern as shown in the attachment videos.
The vehicle DOES NOT need to be at the dealer, nor does it need to be brought into the dealership.
If the geographic location is known, it is very important that it is provided.
Provide any pictures or videos, if available.

A new software for the head unit is scheduled for tentative release in Q2 2026.

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
Communication/information > Assistance and warning systems > Traffic Sign Assist > Implausible display
Overall vehicle > Power supply > Fuel cell > Malfunction
Communication/information > Information display > Displays > Multifunction display > Multifunction display, menu >
Faulty display

Operation numbers/damage codes
Op. no.

Operation text

16.04.2026 19:09
© Copyright Mercedes-Benz AG

Time

SAHARRY

Damage
code

Note

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