LI8285N073463

MBUX multimedia system (HU6): Boots
up only as far as "Mercedes-Benz" logo
Topic number
LI82.85-N-073463
Version
1
Function group
82.85 - Navigation and Communication systems
Date
8/19/21
Validity
Model 907 with code E3M+E1E (MBUX 7-inch with navigation)
Model 907 with code E4M (MBUX 10-inch)
Reason for change
Remedy updated
Complaint
The MBUX multimedia system (A26/17) only boots up as far as the "Mercedes-Benz" logo and remains
in this state, or always re-starts after reaching the "Mercedes-Benz" logo.
Cause
1. Software release of MBUX multimedia system (A26/17).
2. Internal fault on hard drive of MBUX multimedia system (A26/17).
Remedy
1. Update software for MBUX multimedia system (A26/17).
If a software update is not possible, or the problem persists after the software update, continue with Step 2.
_________________________________________________________
2. Check hard drive values:
1.
2.
•
•
Create a control unit log for MBUX multimedia system (A26/17).
The following values indicate a hard drive fault:
Software item numbers not displayed in control unit log. (See attachment)
A value is not entered under "Actual values" -> "Development status (Only valid for Development department)".
(See attachment)
•
No values are entered under "Actual values" -> "S.M.A.R.T. data". (See attachment)
If there is a fault on the hard drive of the MBUX multimedia system (A26/17), the hard drive must be replaced.
(AR82.85-D-1102TS)
The hard drive is available separately as a replacement part in various versions (see parts note).
After replacing the hard drive, follow the commissioning instructions in XENTRY Diagnosis.
Note: If replacing the hard drive of the MBUX multimedia system (A26/17), please refer to this LI in the "Notes" section of the warranty claim!
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Attachments
File
Description
E-Stand_S.M.A.R.T..JPG
Development status/S.M.A.R.T data missing
SW_Stand.JPG
WIS-References
Document number
Title
AR82.85-D-1102TS
Remove/install hard drive of head unit Remove/install hard drive of head unit
Note
AH54.00-P-0001-01A
Notes on preventing damage to elec- Notes on preventing damage to electronic components due to electrostatic tronic components due to electrostatic
discharge
discharge
Symptoms
Communication/information > Entertainment > Overall system/system error > System fails to power up, display dark
Communication/information > Entertainment > Overall system/system error > System fails to power up, star or 6 dashes in display
Parts
Part number
ES1 ES2 Designation
Quantity Note
EPC
A0009062711
FESTPLATTE A-MID ECE
USA / HARD DRIVE EQUIPMENT MID. ECE USA
1
Model 907/910: (E4M/E3M
+E1E)+(IH6/IH7/IH8)
X
A0009062911
FESTPLATTE A-HIGH ECE
USA / HARD DRIVE EQUIPMENT HIGH ECE USA
1
Model 907/910: E4M+(JA3/JO5/
JO6)+(IH6/IH7/IH8)
X
Control unit/fault code
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Control unit
Fault text
A26/17 - MBUX multimedia system (Head unit)
A26/17 - MBUX multimedia system (Head unit)
Operation numbers/damage codes
Op. no.
Operation text
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© Copyright Mercedes-Benz AG
Time
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Damage
code
Note
53306T6
The listed damage code is not to
be considered as an acceptance of
costs. The general guidelines in the
Warranty Manual apply.
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