260E (124.026) L6-2.6L (103.940) (1988)
Oil Pan: Service and Repair
Removing and installing oil sump (except 4MATIC)
Preceding work:
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Hood raised to vertical position.
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Bottom engine compartment panel removed.
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Air cleaner removed.
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Fan shroud removed.
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Disconnect ground cable at battery.
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Drain engine oil.
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Unbolt front engine mounts (2) from below.
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Model 126: Remove engine shock absorber.
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Unplug plug connection of oil level sensor (7) at oil sump.
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Unplug plug connection of oil pressure switch.
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Automatic transmission: Unbolt oil pipes (14,15) at oil sump.
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Models 126, 201: Unbolt oil pipe of level control at oil sump (4).
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Model 201: Remove torsion bar (17).
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Model 201: Unbolt left drag link with steering damper, detach and turn to the rear right.
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Insert guard plate at component compartment wall
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Raise engine.
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Unbolt oil sump at crankcase.
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Remove oil sump (4) downward to the front.
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Replace gasket of oil sump (3).
Note: Before tightening the oil sump bolts, align oil sump (4) to the rear contact surface on the transmission, allow to rest on surface.
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Run engine and check for leaks.
Tightening torques in Nm
Oil sump to crankcase
M6 hexagon bolts ............................................................................................................................................................................................... 10
M8 hexagon bolts ............................................................................................................................................................................................... 25
M10 hexagon bolts ............................................................................................................................................................................................. 40
Oil pipes at oil sump ................................................................................................................................................................................................ 10