NHTSA ID Number: 10189401
Manufacturer Communication Number: LI18.00-P-072476
TSB/Document Date: 2021-03-29
Summary
Message in instrument cluster "Engine Oil Level - Reduce Oil Level". Engine oil level too high even though oil level appears to be OK when measured with dipstick. Assess oil quality and open PTSS case as necessary
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TSB/Document ID: LI18.00-P-072476
Replacement Service Bulletin Number:
MFR Communication Date: 2021-02-23
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION
MFR Component System:
MFR Component Subsystem:
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Message in IC "Engine Oil Level - Reduce Oil Level"
Topic number
LI18.00-P-072476
Version
1
Function group
18.00 - General
Date
2/18/21
Validity
Model 190 with M178
Reason for change
Complaint
Message in instrument cluster "Engine Oil Level - Reduce Oil Level"
Cause
Engine oil level too high even though oil level appears to be OK when measured with dipstick
Remedy
Step 1:
Call up workshop menu and calculate and document oil flow quantity under following conditions:
•
•
•
Let vehicle run at idle (oil temperature greater than 90°C) and read off oil quantity in workshop menu.
Let vehicle run at 2000 rpm (oil temperature greater than 90°C) and read off oil quantity in workshop menu.
Let vehicle run at 2700 rpm (oil temperature greater than 90°C) and read off oil quantity in workshop menu.
Note:
The oil flow quantity must not exceed 5.5 liters
Step 2:
Weigh the oil. For this purpose, the oil container drain screw and the oil pan drain screw must be opened and the oil
filter must be removed
Document calculated oil quantity (weight and, where applicable, liters)
Assess oil quality:
•
Is the oil diluted with fuel?
Note:
Oil weight conversion factor: 0.85 kg/l
18.02.2021 23:43:09
© Copyright Mercedes-Benz
AG
HENRAND
Page 1 / 2
Operation step 3:
Reduce oil level to 6.5 l and fill
Note:
Depending on engine oil used, 6.5 l equates approximately to 5500 g
Operation step 4:
Where applicable, repeat measurement from Step 1 and document oil flow quantity after reduction
Note:
If anything is unclear, or if the problem re-occurs after carrying out these steps, please create a PTSS case and include the calculated values (and the calculations from the previous workshop visit where applicable)
WIS-References
Document number
Title
Note
AP18.00-P-0101C
Change engine oil filter and oil filter
GF54.30-P-2020RR
Setting workshop level function
Support for Steps 2 and 3
AR18.00-P-0025-05MM
Calculate oil consumption
To support Step 2 "Weigh oil"
Symptoms
Power generation > Engine lubrication/oil cooling > Indicator lamp > Engine oil level indicator lamp > lit
Power generation > Engine lubrication/oil cooling > Display message > Oil sensor message
Communication/information > Information display > Indicator lamp > lit
Parts
Part number
ES1 ES2 Designation
Quantity Note
EPC
A1780140300
Oil container drain screw
1
X
N007603014106
Sealing ring - oil pan drain
screw
1
X
A1771800110
Oil filter parts kit
1
X
Operation numbers/damage codes
Op. no.
Operation text
18.02.2021 23:43:09
© Copyright Mercedes-Benz AG
Time
HENRAND
Damage
code
Note
18336**
Please quote TIPS document number in dealer text
Page 2 / 2
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