Remove/install oil lines of oil cooling for automatic transmission

AR27.55-P-0600EV

Remove/install oil lines of oil cooling for automatic transmission

01.02.2019

Transmission

722.9 (except 722.96/97/995) in model 212

Transmission

722.9 (except 722.96/97/995) in model 218

Transmission

722.9 (except 722.96/995) in model 207

Shown on model 212.072

1r

Right oil cooling line (return)

1z

Left oil cooling line (supply)

2z

Oil cooling line (feed)

3

Intermediate oil cooling line

3r

Oil cooling line (return)

5

Radiator

9

Oil cooler

Shown on ENGINE 642

2z

Oil cooling line (feed)

3

Intermediate oil cooling line

3r

Oil cooling line (return)

9

Oil cooler

Shown on ENGINE 272

1r

Right oil cooling line (return)

2z

Oil cooling line (feed)

7

Oil pan

1z

Left oil cooling line (supply)

4

Retaining clamps

8

Front separation point

2

Double clamp

5

Radiator

11

Bolts

2r

Oil cooling line (return)

6

Transmission

Shown on engine 651

1r

Right oil cooling line (return)

6

Transmission

12

Double clamp

1z

Left oil cooling line (supply)

7

Oil pan

13

Stacked plate oil cooler

4

Retaining clamps

11

Bolts

 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

Notes on automatic transmission

AH27.19-P-0001-01NKB

 

Remove/install

1.1

Remove bottom section of soundproofing

Transmission 722.9 (except 722.96/97/995) in model 212 with engine 642
Transmission 722.9 (except 722.96/97/995) in model 212 with engine 651
Transmission 722.9 (except 722.96/97/995) in model 218 with engine 642
Transmission 722.9 (except 722.96/97/995) in model 218 with engine 651
Transmission 722.9 (except 722.96/995) in model 207 with engine 642
Transmission 722.9 (except 722.96/995) in model 207 with engine 651

AR94.30-P-5300EW

1.2

Detach lower engine compartment paneling

Transmission 722.9 (except 722.96/97/995) in model 212 with engine 156
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 271
Transmission 722.9 (except 722.96/97/995) in model 212 with engine 272
Transmission 722.9 (except 722.96/97/995) in model 212 with engine 273
Transmission 722.9 (except 722.96/97/995) in model 212 with engine 276
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 276
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 271
Transmission 722.9 (except 722.96/995) in model 207 with engine 272
Transmission 722.9 (except 722.96/995) in model 207 with engine 273
Transmission 722.9 (except 722.96/995) in model 207 with engine 276
Transmission 722.9 (except 722.96/995) in model 207 with engine 278

AR61.20-P-1105EW

2

Loosen rack-and-pinion steering from front axle carrier and lower

Transmission 722.908/996 in model 212
with code 211 (Direct-Steer system)

AR46.20-P-0600EL

Transmission 722.908/996 in model 212
except code 211 (Direct-Steer system)

AR46.20-P-0600EW


Support rack-and-pinion steering against falling down.
Otherwise the tie rods may be damaged.

 Transmission 722.9 (except 722.96/97/995) in model 212Fastening, rack-and-pinion steering to front axle carrier

*BA46.20-P-1001-01N

3

Detach torsion bar from front axle carrier and lower

Transmission 722.908/996 in model 212

AR32.20-P-0300EW


Prop up torsion bar and secure against falling down.
Otherwise the torsion bar linkage may be damaged.

 Bolt, torsion bar to front axle carrier

*BA32.20-P-1003-02P



Clean

4

Thoroughly clean area around oil cooling lines (1r, 1z) at separation points on transmission (6)


Thoroughly clean the area surrounding the oil cooling lines (1r, 1z).
The hydraulic system can otherwise malfunction or fail completely.

5.1

Disconnect oil cooling lines (1r, 1z) at front separating point (8)

Transmission 722.9 (except 722.908/96/97/995/996) in model 212
Transmission 722.9 (except 722.96/97/995) in model 218
Transmission 722.9 (except 722.96/995) in model 207 with engine 276.9


Do not kink or bend the oil cooling lines (1r, 1z).
Otherwise leaks and damage may occur.

 Seal the oil cooling lines (1r, 1z) using a suitable  stop plug.

 Record plug

*129589009100

5.2

Detach oil cooling lines (1r, 1z) at bottom from oil cooler thermostat (9)

Transmission 722.9 (except 722.96/995) in model 207 with engine 276.8

AR27.55-P-1000ELA


Do not kink or bend the oil cooling lines (1r, 1z).
Otherwise leaks and damage may occur.

 Seal the oil cooling lines (1r, 1z) using a suitable  stop plug.

 Record plug

*129589009100

5.3

Detach oil cooling lines (1r, 1z) from batch oil cooler (13)

Transmission 722.908/996 in model 212

AR27.10-P-0501-03CW


Do not kink or bend the oil cooling lines (1r, 1z).
Otherwise leaks and damage may occur.

 Seal the oil cooling lines (1r, 1z) using a suitable  stop plug.

 Record plug

*129589009100

6

Detach retaining clamps (4) from oil pan (7)

 Screw, oil cooler oil line to oil pan

*BA27.55-P-1003-01D

7

Detach double clamps (12) from oil cooling lines (1r, 1z)

Transmission 722.908/996 in model 212

 Bolt, clamp of oil cooler oil line to bracket

*BA27.55-P-1005-01D

8

Detach oil cooling lines (1r, 1z) from A/C compressor bracket

Transmission 722.9 (except 722.96/995) in model 207 with engine 276.8

 Bolt, clamp of oil cooler oil line to bracket

*BA27.55-P-1005-01D

9

Remove left bracket between catalytic converter and transmission (6)

Transmission 722.9 (except 722.96/97/995) in model 212 with engine 276
Transmission 722.9 (except 722.96/97/995) in model 218 with engine 276
Transmission 722.9 (except 722.96/995) in model 207 with engine 276

10

Remove heat shield

Transmission 722.9 (except 722.908/96/97/995/996) in model 212
Transmission 722.9 (except 722.96/97/995) in model 218

AR27.40-P-0700-01EW

 Transmission 722.9 (except 722.908/96/97/995/996) in model 212
Transmission 722.9 (except 722.96/97/995) in model 218Bolt, heat shield to transmission housing

*BA27.40-P-1014-01A

11

Remove right catalytic converter

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 278
Transmission 722.9 (except 722.96/995) in model 207 with engine 278

12

Remove bolts (11) and pull oil cooling lines (1r, 1z) out of transmission (6)


Do not kink or bend the oil cooling lines (1r, 1z).
Otherwise leaks and damage may occur.

 Installation: Replace O-rings.

 Seal the oil cooling lines (1r, 1z) using a suitable  stop plug.

 Bolt, oil line to transmission housing

*BA27.55-P-1002-01D

 Record plug

*129589009100

13.1

Remove oil cooling lines (1r, 1z) to rear

Transmission 722.9 (except 722.96/97/995) in model 212 with engine 156
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 271
Transmission 722.9 (except 722.96/97/995) in model 212 with engine 272
Transmission 722.9 (except 722.96/97/995) in model 212 with engine 273
Transmission 722.9 (except 722.96/97/995) in model 212 with engine 276
Transmission 722.9 (except 722.96/97/995) in model 212 with engine 642
Transmission 722.9 (except 722.96/97/995) in model 212 with engine 651
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 276
Transmission 722.9 (except 722.96/97/995) in model 218 with engine 642
Transmission 722.9 (except 722.96/97/995) in model 218 with engine 651
Transmission 722.9 (except 722.96/995) in model 207 with engine 271
Transmission 722.9 (except 722.96/995) in model 207 with engine 272
Transmission 722.9 (except 722.96/995) in model 207 with engine 273
Transmission 722.9 (except 722.96/995) in model 207 with engine 276
Transmission 722.9 (except 722.96/995) in model 207 with engine 642
Transmission 722.9 (except 722.96/995) in model 207 with engine 651


Do not kink or bend the oil cooling lines (1r, 1z).
Otherwise leaks and damage may occur.

 Transmission 722.908/996 in model 212
First, remove the left oil cooling line (1z) and then the right oil cooling line (1r).

13.2

Remove right oil cooling line (1r) to the front

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 278
Transmission 722.9 (except 722.96/995) in model 207 with engine 278


Do not kink or bend oil cooling line (1r).
Otherwise leaks and damage may occur.

14

Remove left oil cooling line (1z) to the rear

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 278
Transmission 722.9 (except 722.96/995) in model 207 with engine 278


Do not kink or bend oil cooling line (1z).
Otherwise leaks and damage may occur.

15

Detach double clamp (2)

16

Detach oil cooling line (2z) from radiator (5), pull out and remove

AR27.10-P-0501-03CW


Do not kink or bend oil cooling line (2z).
Otherwise leaks and damage may occur.

 Seal the oil cooling line (2z) using a suitable  stop plug.

 Record plug

*129589009100

17

Remove radiator grille

Transmission 722.9 (except 722.96/97/995) in model 212 with engine 273
as of model year 2014
with code 772 (AMG styling package - front spoiler, side skirts and rear apron)
with code 954 (Avantgarde)
Transmission 722.9 (except 722.96/97/995) in model 212 with engine 642
as of model year 2014
with code 772 (AMG styling package - front spoiler, side skirts and rear apron)
with code 954 (Avantgarde)

AR88.40-P-4001EWN

Transmission 722.9 (except 722.96/97/995) in model 212 with engine 273
as of model year 2014
except code 772 (AMG styling package - front spoiler, side skirts and rear apron)
except code 954 (Avantgarde)
Transmission 722.9 (except 722.96/97/995) in model 212 with engine 642
as of model year 2014
except code 772 (AMG styling package - front spoiler, side skirts and rear apron)
except code 954 (Avantgarde)

AR88.40-P-4001EWM

Transmission 722.9 (except 722.96/97/995) in model 212 with engine 273
up to model year 2014
Transmission 722.9 (except 722.96/97/995) in model 212 with engine 642
up to model year 2014

AR88.40-P-4001EW

Transmission 722.9 (except 722.96/995) in model 207 with engine 273
Transmission 722.9 (except 722.96/995) in model 207 with engine 642

AR88.40-P-4001EC

18.1

Detach oil cooling line (2r) from radiator (5), pull out and remove

Transmission 722.9 (except 722.96/97/995) in model 212 with engine 272
Transmission 722.9 (except 722.96/995) in model 207 with engine 272

AR27.10-P-0501-03CW


Do not kink or bend the oil cooling line (2r).
Otherwise leaks and damage may occur.

 Seal the oil cooling line (2r) using a suitable  stop plug.

 Record plug

*129589009100

18.2

Detach oil cooling line (3r) from oil cooler (9) and pull out

Transmission 722.9 (except 722.96/97/995) in model 212 with engine 273
Transmission 722.9 (except 722.96/97/995) in model 212 with engine 642
Transmission 722.9 (except 722.96/97/995) in model 218 with engine 642
Transmission 722.9 (except 722.96/995) in model 207 with engine 273
Transmission 722.9 (except 722.96/995) in model 207 with engine 642

AR27.10-P-0501-03CW


Do not kink or bend oil cooling line (3r).
Otherwise leaks and damage may occur.

 Seal the oil cooling lines (3r) using a suitable  stop plug.

 Record plug

*129589009100

19.1

Unclip center air duct segment at top on cooler (5)

Transmission 722.9 (except 722.96/97/995) in model 212 with engine 273
Transmission 722.9 (except 722.96/995) in model 207 with engine 273

19.2

Remove charge air cooler

Transmission 722.9 (except 722.96/97/995) in model 212 with engine 642
Transmission 722.9 (except 722.96/97/995) in model 218 with engine 642
Transmission 722.9 (except 722.96/995) in model 207 with engine 642

AR09.41-P-6817CW

20

Remove oil cooling line (3r)

Transmission 722.9 (except 722.96/97/995) in model 212 with engine 273
Transmission 722.9 (except 722.96/97/995) in model 212 with engine 642
Transmission 722.9 (except 722.96/97/995) in model 218 with engine 642
Transmission 722.9 (except 722.96/995) in model 207 with engine 273
Transmission 722.9 (except 722.96/995) in model 207 with engine 642


Do not kink or bend oil cooling line (3r).
Otherwise leaks and damage may occur.

21

Remove middle reinforcement at the front

Transmission 722.9 (except 722.96/97/995) in model 212 with engine 642
Transmission 722.9 (except 722.96/995) in model 207 with engine 642

AR62.30-P-1570EW

Transmission 722.9 (except 722.96/97/995) in model 218 with engine 642

AR62.30-P-1570EL

22

Remove right engine intake air duct

Transmission 722.9 (except 722.96/97/995) in model 212 with engine 642
Transmission 722.9 (except 722.96/97/995) in model 218 with engine 642
Transmission 722.9 (except 722.96/995) in model 207 with engine 642

23

Unclip air duct segment from fan unit

Transmission 722.9 (except 722.96/97/995) in model 212 with engine 642
Transmission 722.9 (except 722.96/97/995) in model 218 with engine 642
Transmission 722.9 (except 722.96/995) in model 207 with engine 642

24

Detach intermediate oil cooling line (3) from oil cooler (9) and pull out

AR27.10-P-0501-03CW


Do not kink or bend intermediate oil cooling line (3).
Otherwise leaks and damage may occur.

 Seal the intermediate oil cooling line (3) using a suitable  stop plug.

 Record plug

*129589009100

25

Disconnect intermediate oil cooling line (3) from radiator (5) and pull out


Do not kink or bend intermediate oil cooling line (3).
Otherwise leaks and damage may occur.

 Seal the intermediate oil cooling line (3) using a suitable  stop plug.

 Record plug

*129589009100

26

Unclip center cooling duct from radiator (5)

27

Remove intermediate oil cooling line (3)


Do not kink or bend intermediate oil cooling line (3).
Otherwise leaks and damage may occur.

28

Install in the reverse order



Check

29

Check and correct transmission oil level

AR27.00-P-0270W

 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

30

Perform engine test run and check transmission (6) for leaktightness and proper operation

 Housing

Number

Designation

Transmission 722.9

BA27.40-P-1014-01A

Bolt, heat shield to transmission housing

Nm

9

 Oil cooling

Number

Designation

Transmission 722.9

BA27.55-P-1002-01D

Bolt, oil line to transmission housing

Banjo bolt

Stage 1

Nm

5

Stage 2

°

90

Hexalobular bolt

Nm

12

 Oil cooling

Number

Designation

Transmission 722.9

BA27.55-P-1003-01D

Screw, oil cooler oil line to oil pan

Nm

12

 Oil cooling

Number

Designation

Transmission 722.9

BA27.55-P-1005-01D

Bolt, clamp of oil cooler oil line to bracket

Nm

8

 Front axle torsion bar

Number

Designation

Model 207

Model 212

BA32.20-P-1003-02P

Bolt, torsion bar to front axle carrier

Nm

30

30

 Front axle torsion bar

Number

Designation

Model 218

BA32.20-P-1003-02P

Bolt, torsion bar to front axle carrier

Nm

30

 Steering gear

Number

Designation

Model 212 (except 212.067/08/090/091/093/094/097/099/267/28/291/293/294/297/299)
with code 211 (Direct-Steer system)

Model 212 (except 212.067/08/090/091/093/094/097/099/267/28/291/293/294/297/299)
except code 211 (Direct-Steer system)

BA46.20-P-1001-01N

Fastening, rack-and-pinion steering to front axle carrier

Stage 1

Nm

70

70

Stage 2

°

90

90