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Remove/install oil pan - AR01.45-P-7500GZA (ML350, ML550, GL450, GL550): Notes

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ENGINES 272, 273 in MODEL 164, 251 

Fig 1: Identifying Oil Pan Remove/Install Components - Engines 272, 273
G05257274Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
MODIFICATION NOTES

3.3.06 Sealant path for oil pan top section adapted to specifications from the Development Department Engine 272 AH01.45-P-0001-01GZA
  Sealant path adapted to Development specifications Engine 273 AH01.45-P-0001-01SX
REMOVINGINSTALLING Remove/install    
1 Remove oil dipstick guide tube   AR18.40-P-3510GZA
2 Remove oil pan bottom section (11)   AR01.45-P-7555GZA 
3 Remove oil level check switch (S43)   AR18.40-P-5113SX
4 Remove oil suction pipe (13) from oil pump (14) TORQUE SPECIFICATION *BA18.10-P-1004-01B 
5 Detach oil cooling lines at the transmission TORQUE SPECIFICATION *BA27.55-P-1002-01D 
    SPECIAL TOOL Fig 4
6 Detach vent line for front axle gear Vehicles with 4MATIC
IMPORTANT Clean surrounding area beforehand to prevent dirt from entering.		  
    TORQUE SPECIFICATION *BA27.40-P-1001-01E 
7 Detach double hose clamp from right-hand side of oil pan (16) IMPORTANT Only loosen bolt, turn the double clamp by 90° and place the transmission oil cooling lines on the front axle carrier.  
    TORQUE SPECIFICATION *BA27.55-P-1004-01D 
8 Detach bracket for transmission oil cooling lines from oil pan (16) TORQUE SPECIFICATION *BA27.55-P-1003-01D 
9 Disconnect connector of speed-sensitive power steering Engine 273  
10 Detach steering coupling from steering shaft Engine 273  
11 Lower front axle carrier Engine 273
See Remove/install front axle.		  
    Model 164 AR33.10-P-0100GZ
    Model 251 AR33.10-P-0100RT
12 Remove bolts (15) on oil pan (16) IMPORTANTInstallation:  Observe different bolt lengths and bolt diameters as per bolt diagram.
Bolt plan for oil pan:		  
    Engine 272 AR01.45-P-7500-06GZA 
    Engine 273 AR01.45-P-7500-06SX 
    TORQUE SPECIFICATION *BA01.45-P-1002-01M 
    TORQUE SPECIFICATION *BA01.45-P-1005-01M 
    TORQUE SPECIFICATION *BA27.40-P-1002-01E 
13 Detach oil pan (16) from crankcase and remove IMPORTANT If oil pan (16) cannot be detached from the crankcase, heat up the sealing surfaces of the oil pan (16) using a hot air gun. Then slide a SPECIAL TOOL mounting wedge between the sealing surfaces to separate the oil pan (16) from the crankcase.  
IMPORTANT Notes on sealant path for oil pan Engine 272 AH01.45-P-0001-01VB
IMPORTANT   Engine 273 AH01.45-P-0001-01SX
    SPECIAL TOOL Fig 2
    SPECIAL TOOL Fig 3
    Sealant *BR00.45-Z-1013-01A 
CLEANING Clean     
14 Clean sealing surfaces on oil pan (16) and oil pan bottom section (11) NOTES Remove sealant residue. Do not use any sharp-edged tools or abrasive paper as this can damage the sealing surfaces.  
    Loctite 7200 *BR00.45-Z-1038-04A 
15 Install in the reverse order    
16 Read out fault memory and erase if necessary IMPORTANT Faults which may have been caused by disconnecting wires or by a simulation must be erased in the fault memory after completing the work.
STAR DIAGNOSIS diagnostic system		  
DANGER Risk of accident  caused by vehicle starting off by itself when engine is running. Risk of injury  caused by contusions and burns during starting procedure or when working near the engine as it is running Secure vehicle to prevent it from moving by itself.
Wear closed and snug-fitting work clothes.
Do not touch hot or rotating parts.		 AS00.00-Z-0005-01A
17 Check for leaks with engine running    
18 Check engine oil level approx. 5 minutes after switching off engine at operating temperature and adjust to correct level if required NOTES The vehicle must be on a level surface otherwise false measurements will occur.  
OIL PAN

Number Designation Engine 272 Engine 273
BA01.45-P-1002-01M Bolt, oil pan to cylinder crankcase, timing case cover or rear cover Nm 9 9
BA01.45-P-1005-01M Oil pan top section to cylinder crankcase on transmission side M8X30 Nm 20 20
OIL PUMP

Number Designation Engine 272 Engine 273
BA18.10-P-1004-01B Bolt, oil suction pipe to oil pump. M6X16 Nm 9 9
TRANSMISSION OIL COOLING SYSTEM

Number Designation Transmission 722.9
BA27.55-P-1002-01D Bolt, transmission oil line to transmission housing Banjo bolt Stage 1 Nm 5
Stage 2 ∠° 90
Hexalobular bolt   Nm 12
BA27.55-P-1003-01D Bolt, oil cooler line to engine oil pan Nm 12
BA27.55-P-1004-01D Bolt, dual clamp to oil line Nm 8
HOUSING

Number Designation Transmission 722.9 in model 164 Transmission 722.9 in model 251
BA27.40-P-1001-01E Bolt, automatic transmission to crankcase Nm 39 39
BA27.40-P-1002-01E Bolt, automatic transmission to engine oil pan Nm 39 39
Fig 2: Identifying Mounting Wedge (110 589 03 59 00)
G05257275Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 3: Identifying Squeeze Gun (112 589 00 25 00)
G05257276Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 4: Identifying Set Of Stop Plugs (129 589 00 91 00)
G05257277Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1013-01A Sealant A 003 989 98 20
BR00.45-Z-1038-04A Loctite 7200 Henkel Loctite Deutschland GmbH
Arabellastrasse 17
81925 Munchen
Germany
Tel. +49 899268-0
Fax + 49 899101978
www.Loctite.de
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