NHTSA ID Number: 11029061
Manufacturer Communication Number: LI47.70-P-076030
TSB/Document Date: 2026-02-27
Summary
Complaint After the charging process is complete, an instrument cluster message with a charging error appears and FC P0CFE00 is stored in control unit "N83 - AC charger for high-voltage battery
(SG-LG)". The fault message and the fault memory entry can also appear at the beginning of the charging pause during delayed charging. Both only occur in combination with active pre-entry climate control. Cause Software in control unit "N83 - AC charger for high-voltage battery (SG-LG)". Remedy For plug-in Model Series167, 206, 214, 223, 247, 254: Carry out software update and SCN coding for the control unit "N83 – AC charger for high-voltage battery (SG-LG)". For model series 243: Carry out software update and SCN coding for the control units "N116/5 – DC charge-connection unit (DCCU)" and "N83/11 – AC charger for high-voltage battery (SG-LG)"
Charging problem with instrument cluster message and FC P0CFE00
Topic number
LI47.70-P-076030
Version
10
Function group
47.70 - Powertrain energy supply
Date
2/23/26
Validity
Models 167, 206, 214, 223, 247, 254 with code 81B or
82B; model 243 with code 81B or 82B
Reason for change
Validities adapted
Complaint
After the charging process is complete, an instrument cluster message with a charging error appears and FC P0CFE00 is stored in control unit "N83 - AC charger for high-voltage battery (SG-LG)". The fault message and the fault
memory entry can also appear at the beginning of the charging pause during delayed charging. Both only occur in
combination with active pre-entry climate control.
Cause
Software in control unit "N83 - AC charger for high-voltage battery (SG-LG)".
Remedy
For plug-in Model Series167, 206, 214, 223, 247, 254:
Carry out software update and SCN coding for the control unit "N83 – AC charger for high-voltage battery (SG-LG)".
For model series 243:
Carry out software update and SCN coding for the control units "N116/5 – DC charge-connection unit (DCCU)" and
"N83/11 – AC charger for high-voltage battery (SG-LG)"
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.
24.02.2026 15:24
© Copyright Mercedes-Benz AG
SAHARRY
Page 1 / 2
Symptoms
Overall vehicle > Power supply > High-voltage on-board electrical system > Charging > Domestic power outlet (Mode2/Level1) > Aborts
Overall vehicle > Power supply > High-voltage on-board electrical system > Charging > Wallbox (Mode3/Level2) >
Aborts
Overall vehicle > Power supply > High-voltage on-board electrical system > Charging > Charging pillar (Mode3/Level2) > Aborts
Control unit/fault code
Control unit
Fault text
N83 - AC charger for high-voltage battery (SG-LG) (OBL223_GEN4)
P0CFE00 - The internal switch for starting the charging
process of the on-board charger does not open. _
Operation numbers/damage codes
Op. no.
Operation text
24.02.2026 15:24
© Copyright Mercedes-Benz AG
Time
Damage
code
H
541FZ
SAHARRY
Note
Page 2 / 2
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TSB/Document ID: LI47.70-P-076030
Replacement Service Bulletin Number:
MFR Communication Date: 2026-02-24
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM
MFR Component System:
MFR Component Subsystem:
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