Remove/install oil pan

AR01.45-P-7500CD

Remove/install oil pan

18.02.2020

Engine

651 in model 204 (except 204.9), 212 with transmission 711

except code M005 (Vehicles with 4MATIC/all-wheel drive)

Engine

651 in model 204 (except 204.9), 212 with transmission 722

except code M005 (Vehicles with 4MATIC/all-wheel drive)

Engine

651 in model 207 with transmission 711

Engine

651 in model 207, 218 with transmission 722

Engine

651 in model 212 with transmission 724.20

except code M005 (Vehicles with 4MATIC/all-wheel drive)

Modification notes

19.09.2019

Document completely revised.

7

Bolts

9

O-ring

8

Oil suction pipe

10

Oil pump

Oil pan top section

1

Bolts

2

Bolts

3

Bolts

4

Screw feedthroughs

11

Bolts

12

Timing case cover

Shown on models 212.098/298

5

Electrical line, terminal 30

13

Transmission oil lines holder

N129/1

Power electronics control unit

6

Screw

 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

 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

 Danger

Risk of death when working on component parts and systems with U >= 30 V alternating voltage (AC) or U >= 60 V direct voltage (DC)

Do not touch damaged or defective live component parts and lines or non-insulated electrical connections and lines.

AS00.00-Z-0035-01A

 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

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 fastened using a tightening angle-based tightening process

AH00.00-P-0020-01A

Topical note

General information on vehicles with high-voltage on-board electrical system and/or lithium-ion battery and/or gaseous-fuel drive system as well as personal protective equipment

AH00.00-Z-0300-01A

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-P-5000-01A

Topical note

Notes on battery

AH54.10-P-0001-01A

 

Remove/install

1

Perform power disconnect of high-voltage on-board electrical system.

Model 212.098/298

AR54.10-P-1150EH

2

Remove ground line from on-board electrical system battery.

model 204

AR54.10-P-0003CW

Model 207, 212, 218

AR54.10-P-0003EW

3

Remove flywheel/drive plate.

Engine 651 in model 204 (except 204.9), 212 with transmission 711
except code M005 (Vehicles with 4MATIC/all-wheel drive)
Engine 651 in model 204 (except 204.9), 212 with transmission 722
except code M005 (Vehicles with 4MATIC/all-wheel drive)
Engine 651 in model 207 with transmission 711
Engine 651 in model 207, 218 with transmission 722

AR03.30-P-8001CD

Model 212.098/298 with engine 651.9 with transmission 724.20
except code M005 (Vehicles with 4MATIC/all-wheel drive)

AR03.30-P-8001EH

 Installation: Install soundproofing only after the leak test.

4

Remove oil pan bottom section.

Engine 651 in model 204.000/001/002/003/082/084/200/201/202/203/282/284/302/303 with transmission 722
except code M005 (Vehicles with 4MATIC/all-wheel drive)
Engine 651 in model 204.000/001/002/003/084/200/201/202/203/284/302/303 with transmission 711
except code M005 (Vehicles with 4MATIC/all-wheel drive)
Engine 651 in model 207 with transmission 711
Engine 651 in model 207, 218 with transmission 722
Engine 651 in model 212 with transmission 711
except code M005 (Vehicles with 4MATIC/all-wheel drive)
Engine 651 in model 212 with transmission 722 (except 722.96)
except code M005 (Vehicles with 4MATIC/all-wheel drive)
Engine 651 in model 212 with transmission 724.2
except code M005 (Vehicles with 4MATIC/all-wheel drive)

AR01.45-P-7555CD

5

Remove terminal 30 electric line (5) from power electronics control unit (N129/1) and expose at oil pan top section.

Model 212.098/298

 Installation:
Ensure contact surfaces are absolutely clean.
Otherwise, contact problems and, thus, damage to the high-voltage on-board electrical system may occur.

 Nut, electrical line circuit 30 to power electronics

*BA08.20-P-1003-01D

6

Remove screw (6) from the bracket of the transmission oil lines (13).

Model 212.098/298

 Bolt, oil line bracket to oil pan

*BA27.10-P-1011-04G

7

Remove screws (11) from the timing case cover (12).

 Bolt, timing case cover to crankcase/cylinder head/oil pan top section

*BA01.40-P-1001-01X

8

Remove screws (1, 2 and 3) from the oil pan top section.

Bolt plan for oil pan

AR01.45-P-7500-06CD

 Installation: Pay attention to different screw/bolt lengths and screw/bolt diameters.

 Bolt, oil pan top section to crankcase/lower crankcase section

*BA01.45-P-1001-01S

9

Screw screws M6x60 into the threaded holes in the area of the screw feedthroughs (4) and carefully and evenly pry off the oil pan top section.


Carefully screw in M6x60 screw/bolts.
Otherwise, the oil pan top section and the sealing surface on the crankcase will be damaged.

10

Remove oil pan top section.

11

Check oil suction pipe (8) for damage.

If the oil suction pipe (8) is damaged,



replace oil suction pipe (8).

12

Remove screws (7) and detach oil suction pipe (8) downward.

When installing a new oil suction pipe (8).



Specified engine oils (service) - Overview

BB00.40-P-0223-02A

 Installation: Replace O-ring (9) on oil suction pipe (8).
Wet O-ring (9) with oil.
Push oil suction pipe (8) up to end stop in the oil pump (10).

 Bolt, oil suction pipe to bearing housing

*BA18.10-P-1002-01O

13

Remove sealant and clean sealing surfaces on the oil pan top section and crankcase.

Notes on sealant path for oil pan

AH01.45-P-0001-01CD



000 588 00 84 00 Heat gun

WS54.00-P-0049B

AR01.00-P-0050-01A


Do not clean sealing surfaces with sharp-edged or tipped objects.
Sealing surfaces will otherwise be damaged.

 Installation: Observe notes on sealant path.

 To ensure better detachment of the sealant, heat sealing surfaces.

Loctite 7200

*BR00.45-Z-1038-04A

Loctite 7063 (400 ml) cleaning spray

*BR00.45-Z-1046-04A

Sealant, Loctite 5970, 50 ml

*BR00.45-Z-1013-01A

 Application gun

*112589002500

14

Install in the reverse order.



Check

15

Check engine oil level, correct if necessary.



AP18.00-P-1811MP


The engine oil level must lie between Min and Max.
Engine damage could occur otherwise.

 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

16

Perform engine test run and check engine for proper operation and leak tightness.

17

Install soundproofing.

Remove/install bottom parts of soundproofing

AR94.30-P-5300EW

 Crankcase, timing case cover, end cover

Number

Designation

Engine 651

BA01.40-P-1001-01X

Bolt, timing case cover to crankcase/cylinder head/oil pan top section

M8

Nm

20

 Oil pan

Number

Designation

Engine 651

BA01.45-P-1001-01S

Bolt, oil pan top section to crankcase/lower crankcase section

M6

Nm

10

M8

Nm

22

 Control units

Number

Designation

Engine 156, 157, 271, 272, 273, 274, 276, 278, 642, 651 in model 212

BA08.20-P-1003-01D

Nut, electrical line circuit 30 to power electronics

M8

Nm

14

 Oil pump

Number

Designation

Engine 651

BA18.10-P-1002-01O

Bolt, oil suction pipe to bearing housing

M6

Stage 1

Nm

6

Stage 2

°

90

M8

Nm

34

 Automatic transmission complete

Number

Designation

Transmission 724.2

BA27.10-P-1011-04G

Bolt, oil line bracket to oil pan

Nm

12

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