MBUX Multimedia System: Dynamic Select/Vehicle Settings/Energy Flow Display Incomplete After Software Update (LI82.85-P-073283)

Publication date: 2021-07-15
Reference number: LI82.85-P-073283

MBUX MULTIMEDIA SYSTEM: DYNAMIC SELECT/VEHICLE SETTINGS/ENERGY FLOW DISPLAY INCOMPLETE AFTER SOFTWARE UPDATE

TECHNICAL SERVICE BULLETIN

Reference Number(s): LI82.85-P-073283 Version 1, Date of Issue: July 15, 2021

MERCEDES-BENZ:	Model series 118, 167, 177, 213, 238, 247, 253, 257, and 290 with code 548/549
FUNCTION GROUP:	82.85 - Navigation and Communication systems
REASON FOR CHANGE:	Validity updated

COMPLAINT

The customer may report the following complaints after an MBUX multimedia system (A26/17) software update:

The Dynamic Select menu may not be shown properly in the MBUX display. A loading wheel may instead be displayed
In the MBUX settings vehicle menu, the vehicle silhouette may only appear intermittently
The energy flow display may not be shown properly in the MBUX display

NOTE: The functionality of the vehicle is not affected. Dynamic select modes can still be toggled via the touchpad switch

ATTACHMENTS

File	Description
Dynamic select menu not loading.jpg	Example photo of "Dynamic Select" menu not loading

CAUSE

Incomplete control unit programming process for MBUX multimedia system (A26/17).

REMEDY

Re-program all MBUX multimedia system (A26/17) software modules using XENTRY Diagnosis via the special procedure ("MBUX multimedia system" -> "Adaptations" -> "Teach-in processes" -> Special procedure: Control unit programming, All modules", see attachment). Prior to attempting the procedure, please ensure your XENTRY Diagnosis machine has the latest software installed (06/21 as of this publication) as well as all available addons.

NOTE: Do not replace any parts.

ATTACHMENTS

File	Description
HU6 control unit reprogramming.jpg	Special procedure: control unit programming, all modules

SYMPTOMS

Communication/information > Information display > Displays > Multifunction display > Multifunction display, menu > Menu items missing

Communication/information > Information display > Displays > Multifunction display > Multifunction display, menu > Incomplete display

OPERATION NUMBERS/DAMAGE CODES

Op. no.	Operation text	Time	Damage code	Note
		87100 EA