Remove/install oil pan

AR01.45-P-7500ELB

Remove/install oil pan

18.02.2020

Engine

157, 278 in model 212, 218

Engine

278 in model 207

Shown on engine 278.932

1

Oil pan bottom section

1a

Bolts

2

Oil pan

2a

Bolts

4

Crankcase

5

Oil-dipstick guide tube

6

Oil lines

G2

Alternator

 Warning

Risk of injury. Skin or eye injuries may result when handling hot or glowing objects.

Wear protective gloves, protective clothing and safety glasses, if necessary.

AS00.00-Z-0002-01A

 Danger

Risk of death caused by vehicle slipping or toppling off of the lifting platform.

Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer.

AS00.00-Z-0010-01A

 Caution

Risk of injury caused by scraping or cutting body parts on sharp vehicle parts

Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.

AS00.00-Z-0017-01A

 Caution

Risk of injury to skin and eyes due to handling of engine oil. Risk of poisoning caused by swallowing engine oil

Wear protective gloves, protective clothing and safety glasses.
Do not fill engine oil into beverage containers.

AS18.00-Z-0001-01A

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

Topical note

Notes on AIRmatic

Engine 157, 278 in model 212, 218
with code 488 (Steel/air suspension)
Engine 157, 278 in model 212, 218
with code 489 (AIRMATIC)

AH32.22-P-1000-02EW

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-P-5000-01A

Topical note

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

Topical note

Notes on bolted connections with self tapping screws

AH00.00-P-0007-01SF

Topical note

Notes on threaded connections with aluminum screws/bolts

AH00.00-P-0006-01RM

 

Remove/install

1

Relieve all pressure in front suspension struts with diagnostic system

Engine 157, 278 in model 212, 218
with code 489 (AIRMATIC)



AD00.00-P-2000-04A

2

Deactivate easy entry/exit feature

Engine 157, 278 in model 212, 218
with code 275 (Electrically adjustable driver seat, steering column and outside mirrors with memory)
Engine 278 in model 207
with code P64 (Memory package)

3

Turn front wheels to straight-ahead position and fix steering wheel in place with holding device


Do not turn steering wheel on disassembly of steering coupling.
Clock spring contact is otherwise destroyed.

 Retainer device

*129589012100

4

Disconnect ground cable at battery

AR54.10-P-0003EW

5

Attach engine hoist and raise engine somewhat

Engine 278 in model 207

AR33.10-P-0105CW

Engine 157, 278 in model 212, 218

AR33.10-P-0105EW

 Only raise engine until engine mounts are not under tension.

6

Secure vehicle on the vehicle lift

Engine 278 in model 207

AR00.60-P-0100CW

Engine 157, 278 in model 212, 218

AR00.60-P-0100EWS

7

Remove engine compartment paneling

AR61.20-P-1105EW

 Installation: Only install lower engine compartment paneling after leak test.

8

Drain engine oil and catch in a suitable container



Engine 157 in model 212, 218

AP18.00-P-0101EWG



Engine 278 in model 207, 212, 218

AP18.00-P-0101EW

9

Remove alternator (G2)

AR15.40-P-5032ELB

10

Remove oil line for oil cooling system

Transmission 722.9 (except 722.96/97/995) in model 212 with engine 157
Transmission 722.9 (except 722.96/97/995) in model 212 with engine 278
Transmission 722.9 (except 722.96/97/995) in model 218 with engine 157
Transmission 722.9 (except 722.96/97/995) in model 218 with engine 278
Transmission 722.9 (except 722.96/995) in model 207 with engine 278

AR27.55-P-0600EV

Transmission 722.96 in model 212, 218 with engine 278
Transmission 722.97 in model 212, 218 with engine 157

AR27.55-P-0600CWX

11

Remove oil dipstick tube (5) from oil pan (2) and cylinder head cover, and set aside in engine compartment

 Installation: Replace screws/bolts.

 Installation: Check sealing ring of the oil dipstick tube (5) in the oil pan (2) and replace if necessary.

 Screw/bolt, guide tube to oil pan

*BA01.45-P-1004-01E

 Screw/bolt, guide tube to cylinder head/cylinder head cover/front cover

*BA01.45-P-1005-01E

12

Remove steering coupling

Engine 278 in model 207

AR46.10-P-8000CW

Engine 157, 278 in model 212, 218

AR46.10-P-8000EW

13

Remove oil lines (6) for turbochargers at oil pan (2), and set aside

AR18.30-P-6850ELB

14.1

Release and disconnect electrical connection on fill level sensor

Engine 157 in model 212, 218

AR18.40-P-5111ELB

14.2

Release and disconnect electrical connection on oil level check switch

Engine 278 in model 207, engine 207M278 in model 212, 218

Engine 278 in model 207

AR18.40-P-5113FH

Engine 278 in model 212, 218

AR18.40-P-5113EL

15

Remove brackets of level sensors from spring control arm

16.1

Loosen and lower front axle carrier somewhat

Engine 157, 278 in model 212, 218
except code M005 (Vehicles with 4MATIC/all-wheel drive)
Engine 278 in model 207

Engine 157, 278 in model 212, 218
except code M005 (Vehicles with 4MATIC/all-wheel drive)

AR33.10-P-0001EW

Engine 278 in model 207

AR33.10-P-0001CW

16.2

Remove front axle transmission

Engine 157, 278 in model 212, 218
with code M005 (Vehicles with 4MATIC/all-wheel drive)

Model 212, 218 with engine 157 with transmission 722.97
with code M005 (Vehicles with 4MATIC/all-wheel drive)
Model 212, 218 with engine 278 with transmission 722.96
with code M005 (Vehicles with 4MATIC/all-wheel drive)
Model 218 with engine 278 with transmission 725.0
with code M005 (Vehicles with 4MATIC/all-wheel drive)

AR33.30-P-0525CWX

17

Remove support brace from front axle transmission

Engine 157, 278 in model 212, 218
with code M005 (Vehicles with 4MATIC/all-wheel drive)

 Screw/bolt, front axle gear support brace to oil pan

*BA01.45-P-1008-01E

18

Remove screw plugs from oil pan (2)

Engine 157, 278 in model 212, 218
with code M005 (Vehicles with 4MATIC/all-wheel drive)

 Screw plug to oil pan

*BA01.45-P-1006-01E

19

Remove screws/bolts (1a), and remove oil pan bottom section (1)

AR01.45-P-7500-04MM

 Bolt, oil pan bottom section to oil pan

*BA01.45-P-1003-01E

Sealant, Loctite 5970, 50 ml

*BR00.45-Z-1013-01A

20

Remove screws/bolts from transmission at engine

Transmission 722.96 in model 212, 218 with engine 278
Transmission 722.97 in model 212, 218 with engine 157

AR27.10-P-0500CWX

Transmission 722.9 (except 722.96/97) in model 212, 218 with engine 157
Transmission 722.9 (except 722.96/97) in model 212, 218 with engine 278

AR27.10-P-0500EV

Transmission 722.9 (except 722.96) in model 207 with engine 278

AR27.10-P-0500CV

21

Remove screws/bolts (2a) from oil pan (2)

 Installation: Pay attention to different lengths of screws/bolts.

 Screw/bolt, oil pan to crankcase/ timing case cover/rear end cover

*BA01.45-P-1001-01E

 Bolt, oil pan to crankcase

*BA01.45-P-1002-01E

22

Release oil pan (2) from crankcase (4), and remove downwards

AR01.45-P-7500-04MM

Notes on sealant path for oil pan

AH01.45-P-0001-01MMA

 Installation: Apply sealing compound onto sealing surface of oil pan (2).

Sealant, Loctite 5970, 50 ml

*BR00.45-Z-1013-01A

23

Remove oil level check switch

Engine 278 in model 207, 212, 218
When installing a new oil pan (2).

Engine 278 in model 207

AR18.40-P-5113FH

Engine 278 in model 212, 218

AR18.40-P-5113EL



Clean

24

Clean sealing surfaces on oil pan (2) and crankcase (4)

AR01.00-P-0050-01A


Do not use any sharp-edged tools or abrasive paper.
In order to prevent damage.

Loctite 7200

*BR00.45-Z-1038-04A

Loctite 7063 (400 ml) cleaning spray

*BR00.45-Z-1046-04A

25

Install in the reverse order



Check

26

Check engine oil level; correct if necessary



Engine 157 in model 212, 218

AP18.00-P-0101EWG



Engine 278 in model 207, 212, 218

AP18.00-P-0101EW

 Warning

Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.

Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

27

Carry out engine test run, checking the engine for leaktightness and proper operation

 Oil pan

Number

Designation

Engine 157

Engine 278

BA01.45-P-1001-01E

Screw/bolt, oil pan to crankcase/ timing case cover/rear end cover

M6

Nm

9

9

 Oil pan

Number

Designation

Engine 157

Engine 278

BA01.45-P-1002-01E

Bolt, oil pan to crankcase

M8

Nm

20

20

 Oil pan

Number

Designation

Engine 157

Engine 278

BA01.45-P-1003-01E

Bolt, oil pan bottom section to oil pan

Nm

14

14

 Oil pan

Number

Designation

Engine 157

Engine 278

BA01.45-P-1004-01E

Screw/bolt, guide tube to oil pan

Nm

5

5

 Oil pan

Number

Designation

Engine 157

Engine 278

BA01.45-P-1005-01E

Screw/bolt, guide tube to cylinder head/cylinder head cover/front cover

Nm

5

5

 Oil pan

Number

Designation

Engine 157

Engine 278

BA01.45-P-1006-01E

Screw plug to oil pan

M26

Nm

20

20

 Oil pan

Number

Designation

Engine 157

Engine 278

BA01.45-P-1008-01E

Screw/bolt, front axle gear support brace to oil pan

M12

Nm

60

60

Repair materials

Number

Designation

Order number

BR00.45-Z-1013-01A

Sealant, Loctite 5970, 50 ml

A 003 989 98 20 10

BR00.45-Z-1038-04A

Loctite 7200

Henkel AG & Co. KGaA
http://www.loctite.de

BR00.45-Z-1046-04A

Loctite 7063 (400 ml) cleaning spray

A 001 986 71 71 09