Remove/install bottom part of oil pan

AR01.45-P-7555OLD

Remove/install bottom part of oil pan

18.02.2020

Engine

651 in model 166, 205, 253

Modification notes

13.04.2015

Info re drain screw when using plastic oil pans.

Operation step 3

Shown on vehicle without code M005 (4MATIC)

1

Clip

5

Seal

2

Electrical line

6

Groove

3

Bolts

S43

Oil level check switch

4

Oil pan bottom section

Shown on vehicle with code M005 (4MATIC)

3

Bolts

4

Oil pan bottom section

7

Screw

Topical note

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

 

Remove/install

1

Secure vehicle on vehicle lift

Engine 651 in model 166

AR00.60-P-0100GZ

Engine 651 in model 205
except code M005 (Vehicles with 4MATIC/all-wheel drive)
Engine 651 in model 253

AR00.60-P-0100CW

2

Remove center and rear section of lower engine compartment paneling

Engine 651 in model 166

AR61.30-P-1001GQ

Engine 651 in model 205, 253

AR61.20-P-1105LW

 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

3

Drain engine oil

Notes on engine oil and filter changes

AH18.00-P-0104-01A

 To do this remove drain screw from oil pan and catch engine oil in a suitable container.

 Installation: When using steel oil pans replace sealing ring for drain screw.
When using plastic oil pans always replace the drain screw.

 Drain screw to oil pan

*BA01.45-P-1003-01S

4.1

Detach clamp (1)

Engine 651 in model 205, 253
except code M005 (Vehicles with 4MATIC/all-wheel drive)

 Clamp, front exhaust system to catalytic converter/diesel particulate filter

*BA49.10-P-1005-02A

4.2

Detach clamp between ATL and exhaust input module

Engine 651 in model 166.006

 Engine 651 in model 166.006Bolt, exhaust input module clamp to turbocharger

*BA49.10-P-1003-01AK

5

Attach engine hoist

Engine 651 in model 166

AR33.10-P-0105EW

Engine 651 in model 205, 253
except code M005 (Vehicles with 4MATIC/all-wheel drive)

AR33.10-P-0105LWD

6

Only raise engine sufficiently until the engine mounts are not under tension

7

Remove screw/bolts for left and right engine mount on front axle carrier and raise engine further

Engine 651 in model 253
except code M005 (Vehicles with 4MATIC/all-wheel drive)

AR22.10-P-4330RF

Engine 651 in model 166

AR22.10-P-1260GQA

Engine 651 in model 205
except code M005 (Vehicles with 4MATIC/all-wheel drive)

AR22.10-P-1260LWB

8

Disconnect electrical connection at oil level check switch (S43)

Engine 651 in model 166 (except 166.006)
Engine 651 in model 205, 253
except code M005 (Vehicles with 4MATIC/all-wheel drive)

9

Unclip electric line (2) for oil level check switch (S43) from oil pan bottom section (4)

Engine 651 in model 166 (except 166.006)
Engine 651 in model 205, 253
except code M005 (Vehicles with 4MATIC/all-wheel drive)

10

Remove screws (3)

 Screw/bolt, oil pan bottom section to oil pan top section

*BA01.45-P-1002-01S

11.1

Detach oil pan bottom section (4)

Engine 651 in model 166.006
Engine 651 in model 205, 253
except code M005 (Vehicles with 4MATIC/all-wheel drive)

 Installation: Install new seal (5). Ensure that seal (5) is seated correctly in groove (6).

11.2

Pry off oil pan bottom section (4) and remove

Engine 651 in model 166 (except 166.006)
Engine 651 in model 205, 253
with code M005 (Vehicles with 4MATIC/all-wheel drive)

 Prying off takes place using a metric screw/bolt (7) M6x50 x mm or longer. When prying off the oil pan bottom section (4) the screw/bolt (7) is turned in the nut on oil pan bottom section (4) until the oil pan bottom section (4) is released from the oil pan top section.

 Installation: Apply sealing compound to sealing surface of oil pan bottom section (4).

Sealant, Loctite 5970, 50 ml

*BR00.45-Z-1013-01A

 Application gun

*112589002500



Clean

12.1

Clean sealing surfaces at oil pan top section and oil pan bottom section (4)

Engine 651 in model 166 (except 166.006)
Engine 651 in model 205, 253
with code M005 (Vehicles with 4MATIC/all-wheel drive)

AR01.00-P-0050-01A

Loctite 7200

*BR00.45-Z-1038-04A

Loctite 7063 (400 ml) cleaning spray

*BR00.45-Z-1046-04A

12.2

Clean sealing surfaces on oil pan top section and oil pan bottom section (4) with lint-free cloth

Engine 651 in model 166.006
Engine 651 in model 205, 253
except code M005 (Vehicles with 4MATIC/all-wheel drive)

13

Install in the reverse order



Check

14

Check oil level of engine



AP18.00-P-1811MP

 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

15

Perform engine test run and check engine for leaktightness in the area of the oil pan bottom section (4)

 Oil pan

Number

Designation

Engine 651

BA01.45-P-1002-01S

Screw/bolt, oil pan bottom section to oil pan top section

Stage 1

Nm

10

Stage 2

Nm

-

 Oil pan

Number

Designation

Engine 651

BA01.45-P-1003-01S

Drain screw to oil pan

Metal

Nm

30

Plastic

Nm

4

 Exhaust system

Number

Designation

Engine 651 in model 166

BA49.10-P-1003-01AK

Bolt, exhaust input module clamp to turbocharger

Nm

17

 Exhaust system

Number

Designation

Engine 651 in model 205

Engine 651 in model 253

BA49.10-P-1005-02A

Clamp, front exhaust system to catalytic converter/diesel particulate filter

Nm

14

14

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