LI47.50-P-070263

Check engine light on and FC P146264 stored in engine and fuel pump control units
Topic number
LI47.50-P-070263
Version
3
Function group
47.50 Sender, feeler, sensors
Date
06-25-2020
Validity
BR 167, 177, 247, 118, 167, tank control unit FSCM
Gen_5
Reason for change
Reason for block
Complaint:
Check engine light active and FC P146264 Temp. and pressure sensor B4/7 is stored in engine control unit and tank
control unit.
Cause:
Software parameter in Fuel pump control unit.
Remedy:
Update SW in FSCU control unit.
In the case of a reoccurrence of the complaint after SW update or if no newer SW is available, please create a PTSS
case.
Symptoms
Power generation / Engine management / Indicator lamp / Engine diagnosis / lit
Control unit/fault code
Control unit
Fault code
Fault text
N3/10 - Motor electronics
'MED41' for combustion engine 'M260/M264' (ME) (GLE
(167),A (177),CLA (118),B
(247))
P146264
The sensor 'Low fuel pressure and fuel temperature' has a malfunction. There is an implausible signal.
N3/10 - Motor electronics
'EMS71' for combustion engine 'M282' (ME) (A (177),CLA
(118),B (247))
P146264
The sensor 'Low fuel pressure and fuel temperature' has a malfunction. There is an implausible signal.
N118 - Control unit 'Fuel
pump' (FSCU09) (FSCM_
P146264
Component 'Combined sensor for low fuel pressure and fuel temperature' has a plausibility error.
06-25-2020 8:46 PM
© Copyright Mercedes-Benz AG
CBUTCHE
Page 1/2
GEN5) (GLE (167),A (177),
CLA (118),B (247))
06-25-2020 8:46 PM
© Copyright Mercedes-Benz AG
CBUTCHE
Page 2/2