LI82.85-P-071453

Incorrect time and/or instrument cluster message "SOS, service
not activated" and/or Mercedes Me connect services nonfunctional
Topic number
LI82.85-P-071453
Version
1
Function group
82.85 Navigation and Communication systems
Date
07-31-2020
Validity
Model 117, 118, 156, 176, 177, 242, 246, 247, 172, 190,
231, 205, 253, 166, 167, 292, 213, 218, 238, 222, 217,
257, X290, 293, 463 with HERMES communication module (code 360, 362, 364) and Mercedes me connect
Reason for change
Reason for block
Complaint:
One of the following symptoms may be exhibited by the customer:
- Incorrect time/date in instrument cluster and/or head unit
- "SOS Service Not Activated" message on instrument cluster display
- Mercedes me connect services nonfunctional
- Live Traffic nonfunctional
Cause:
Incorrect system time for the HERMES control unit.
Note: The system time is visible in the HERMES control unit log under "GPS Data". Compare HERMES system time
(UTC) to the XENTRY Diagnosis (local time). (See attachment)
A small deviation of a couple of seconds is normal due to the time it takes to generate a control unit log.
Attachments
File
Description
Check HERMES System date_time.pdf
Example of HERMES system date/time (control unit log)
check
Remedy:
Reset HERMES system time using XENTRY Diagnostics. (See attachment)
Ensure availability of add-on.
DVD 03/2020 -> add-on 15802
DVD 06/2020 -> add-on 15803
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© Copyright Mercedes-Benz AG
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1.) Start diagnosis N112/9 - Control unit for telematics services (HERMES)
2.) Open "Adaptations" menu.
3.) Select "Teach-in processes" menu.
4.) Run "Reset system time" process.
After this, lock the vehicle for 5 minutes (allow CAN Bus Sleep) and then take a test drive in a region with good GPS
reception for 5-10 minutes.
If the problem persists after several hours have passed, please create a PTSS case and attach a current control unit
log of HERMES.
Note:
Please also observe these related and applicable LI documents:
LI82.85-P-069725 - Model 205, 253, 217, 222 with code 531 (COMAND Online)
LI82.85-P-063619 - Model 117, 156, 166, 176, 207, 212, 218, 242, 246, 292 with code 531.
Attachments
File
Description
Reset System Time.pdf
Reset System Time of HERMES
Symptoms
Communication/information / Information display / Displays / Clock / Too fast
Communication/information / Telematics service / Activation/deactivation / Telematics service cannot be activated/
deactivated
Operation numbers/damage codes
Op. no.
Operation text
Time
Damage
code
Note
8209Z 52
Validity
Vehicle
Engine
Transmission
A (176)
*
*
A (177)
*
*
AMG GT (190)
*
*
B (242, 246)
*
*
B (247)
*
*
C (205)
*
*
CLA (117)
*
*
CLA (118)
*
*
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© Copyright Mercedes-Benz AG
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CLS (218)
*
*
CLS (257)
*
*
E (213)
*
*
E (238)
*
*
EQC (293)
*
*
G (463)
*
*
GL/GLS (166)
*
*
GLA (156)
*
*
GLA (247)
*
*
GLB (247)
*
*
GLC (253)
*
*
GLE (167)
*
*
GLE (292)
*
*
GLS (167)
*
*
M/GLE (166)
*
*
S (217)
*
*
S (222)
*
*
SL (231)
*
*
SLK/SLC 172
*
*
X 290 AMG
*
*
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© Copyright Mercedes-Benz AG
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