LI47.20-P-071172

Check engine light on and FC P146364
stored in engine and fuel pump control units
Topic number
LI47.20-P-071172
Version
2
Function group
47.20 - Fuel pump, filter
Date
4/23/24
Validity
MY19-20 A-Class (177)
MY20 CLA-Class (118)
MY21 GLA-Class (H247)
MY20-21 GLB-Class (X247)
MY20-21 GLE/GLS-Class (167)
Reason for change
Remedy updated with software solution
Complaint
Check engine light active and FC P146364 Temp. and pressure sensor B4/7 is stored in Engine control unit and Fuel
pump control unit.
Cause
Software parameter in Fuel pump control unit.
Remedy
Perform software update for Fuel System Control Module (FSCM) N118.
New software is A0009026661.
Symptoms
Power generation > Engine management > Indicator lamp > Engine diagnosis > lit
Control unit/fault code
Control unit
Fault text
N3/10 - Motor electronics 'MRG1' for combustion engine
'M256' (ME) (MRG1)
P146364 - This error code can be ignored and erased.
N3/10 - Motor electronics 'MED41' for combustion engine P146364 - Sensor 'Low fuel pressure and fuel temperatu'M260/M264' (ME) (MED41)
re' has a malfunction during calculation of the fuel pressure. There is an implausible signal.
29.04.2024 20:46
© Copyright Mercedes-Benz AG
CCUSHWA
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N3/10 - Motor electronics 'MED1775' for combustion engi- P146364 - Sensor 'Low fuel pressure and fuel temperatune 'M176/M177/M178' (ME) (MED1775)
re' has a malfunction during calculation of the fuel pressure. There is an implausible signal.
N3/10 - Motor electronics 'MED41' for combustion engine P146364 - Sensor 'Low fuel pressure and fuel temperatu'M260/M264' (ME) (MED41)
re' has a malfunction during calculation of the fuel pressure. There is an implausible signal.
N118 - Control unit 'Fuel pump' (FSCU09) (FSCM_GEN5) P146364 - Component 'Combined sensor for low fuel
pressure and fuel temperature' has a plausibility error.
N3/10 - Motor electronics 'MED41' for combustion engine P146364 - Sensor 'Low fuel pressure and fuel temperatu'M260/M264' (ME) (MED41)
re' has a malfunction during calculation of the fuel pressure. There is an implausible signal.
N118 - Control unit 'Fuel pump' (FSCU09) (FSCM_GEN5) P146364 - Component 'Combined sensor for low fuel
pressure and fuel temperature' has a plausibility error.
Operation numbers/damage codes
Op. no.
Operation text
29.04.2024 20:46
© Copyright Mercedes-Benz AG
Time
CCUSHWA
Damage
code
Note
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