Remove/install engine with transmission

AR01.10-P-2401MTA

Remove/install engine with transmission

24.03.2020

Engine

133 in model 117, 156, 176

1

Hood release cable

4

Fuel line

M13/5

Coolant circulation pump

2

Vacuum line

8

Refrigerant line

Y58/1

Purging switchover valve

3

Coolant hoses

5

Radiator support

17

Nose radiator

20

Radiator

6

Refrigerant line

18

Low-temperature cooler

22

Connecting carrier, left

7

Refrigerant line

19

Condenser

M44

Charge air cooler circulation pump

15

Vent line

10

Coolant hose

11

Coolant hose

12

Coolant hose

13

Coolant hose

M44

Charge air cooler circulation pump

14

Coolant hose

15

Vent line

16

Coolant hose

17

Nose radiator

18

Low-temperature cooler

19

Condenser

20

Radiator

21

Expansion reservoir

 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 explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel as well as risk of injury to eyes and skin caused by contactwith fuel.

No fires, sparks, open flames or smoking. Pour fuels into suitable and appropriately marked containers only.
Wear protective clothing when handling fuel.

AS47.00-Z-0001-01A

 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

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-P-5000-01A

Topical note

Notes on bolted connections with self tapping screws

AH00.00-P-0007-01SF

Topical note

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

General information on work on gasoline direct injection system

AH07.00-P-2000-01A

Use of engine no. when installing reconditioned engines and factory-new replacement engines or crankcases

AH01.10-P-0001-01A

Note on calculation of tightening torque when using insertion or socket tools with various effective lengths

AH00.00-P-0015-01CW

 

Remove/install

1

Secure vehicle to prevent it moving away.

2

Move transmission to neutral position and release the parking brake.

3

Secure vehicle on vehicle lift.

AR00.60-P-0100CW

4

Remove front wheel and tire assemblies.



AP40.10-P-4050AK

5

Remove bottom engine compartment paneling.

AR61.20-P-1105NKB

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

 The front section for the lower engine compartment paneling remains on front bumper.

6

Remove front fender liners.

AR88.10-P-1300NKB

7

Remove washer fluid reservoir of the windshield washer system.

AR82.35-P-6000NKB

8

Work the front bumper loose from the front fenders.

Engine 133 in model 156

AR88.20-P-2000NKX

Engine 133 in model 117, 176

AR88.20-P-2000NKB

 The front bumper remains on the front module.

9

Remove air filter housing.

AR09.10-P-1150MTA

10

Remove battery .

AR54.10-P-0005NKB

11

Remove cover on the hood lock.

12

Release and disconnect the electrical connector on the hood lock.

13

Expose hood release cable (1), unhook at hood lock, and set aside.

14

Release and disconnect electrical connectors from the front left lamp unit and from the front right lamp unit.

Engine 133 in model 156

AR82.10-P-4730NKX

Engine 133 in model 117, 176

AR82.10-P-4730NKB

 The number of electrical connectors varies according to vehicle equipment.

15

Remove front end module.

AR62.30-P-1570NKB

 Remove front end module together with lamp units, front section of lower engine compartment lining and front bumper, without disassembling the upper and lower sections.

16

Drain off coolant.

AR20.00-P-1142MTA

17

Drain low-temperature circuit.

AR20.00-P-1144MTA

18

Discharge air conditioning system.

AR83.30-P-1760NKB

19

Remove exhaust pipe.

AR49.10-P-7100MTA

20

Remove front axle shafts and seal openings on transmission with suitable means.

AR33.30-P-0620NKB

21

Remove propeller shaft.

Engine 133 in model 117, 156, 176
with code M005 (Vehicles with 4MATIC/all-wheel drive)

AR41.10-P-0050MTA

22

Remove low-temperature cooler in right wheel arch.

AR20.20-P-3869MTA

23

Remove the battery holder.

 Bolt, battery bracket to body

*BA54.10-P-1001-01I

24

Remove coolant hose (10) on charge air cooler circulation pump (M44).

AR20.20-P-7441-01RQ

25

Remove coolant hose (11) on Y-distributor.

AR20.20-P-7441-01RQ

26

Remove coolant hose (12) on charge air cooler holder.

 Hose clamp pliers

*003589033700

27

Remove coolant hose (13) on cooling module of oil cooling for dual-clutch transmission.

AR27.55-P-1500NKB

 Hose clamp pliers

*003589033700

28

Remove coolant hose (14) on coolant pump.

 Hose clamp pliers

*003589033700

29

Remove bleed line (15) on cooler (20).

AR20.20-P-7441-01RQ

30

Remove coolant hose (16) at the connecting point between the expansion reservoir (21) and the Y-distributor.

AR20.20-P-7441-01RQ

31

Remove refrigerant lines (6, 7) from condenser (19), set aside, and seal openings with suitable stop plugs.



Compressor oils (specification 362.1)

BB00.40-P-0362-01A

 Installation: Replace sealing rings and moisten with compressor oil.

 Bolt/nut, low-pressure line to condenser

*BA83.30-P-1015-01G

 Bolt/nut, high-pressure line to condenser

*BA83.30-P-1014-01G

 Record plug

*129589009100

32

Release and disconnect electrical connectors on fan unit.

AR20.40-P-5050MTA

33

Release and disconnect electrical connector on charge air cooler circulation pump (M44).

34

Take out radiator package together with the fan unit.

 Radiator package consists of radiator (20), condenser (19), low-temperature cooler (18) and nose radiator (17).

35

Disassemble and remove the radiator support (5) complete with the front axle carrier and longitudinal member.

 Bolt, radiator support to longitudinal member

*BA62.30-P-1001-04D

36

Remove the left connecting carrier (22)..

 Bolt, connecting carrier to front axle carrier

*BA62.30-P-1004-04D

37

To remove engine, disassemble the engine wiring harness and set down on engine.

AR01.00-P-2410-02MTA

 Nut, positive line to prefuse box

*BA54.15-P-1001-01I

 Nut, connection for terminal designation 30

*BA15.30-P-1001-01J

38

Disassemble the purge line on the purging switchover valve (Y58/1), plug openings using suitable stop plugs, and set down on engine.

 Record plug

*129589009100

39

Disassemble coolant hose (3) from feed line and return line for the heating system on the coolant circulation pump (M13/5) and the temperature control.

40

Remove vacuum line (2) from vacuum pump and set aside.

AR43.10-P-0355NKB

41

Disconnect refrigerant line (8) from engine compartment connecting point and seal openings with suitable stop plugs.



Compressor oils (specification 362.1)

BB00.40-P-0362-01A

 Installation: Replace sealing rings and moisten with compressor oil.

 Bolt/nut, low-pressure and high-pressure lines to expansion valve

*BA83.30-P-1002-01G

 Record plug

*129589009100

42

Unclip, release, and disconnect vehicle interior sound line.

Engine 133 in model 117, 156, 176
with code U21 (AMG Performance exhaust system)

AR09.41-P-0123MTA

43

Hook supporting joint of the transverse control arms into the steering knuckles.

AR33.20-P-0510NKB

44

Remove bottom engine stabilizer mount.

AR22.10-P-1120MTA

45

Position lifting platform with support fixture and secure engine against falling down using a tensioning strap.

AR33.10-P-0105NKB



000 588 03 62 00 Lifting platform

WS01.00-P-0091A

 Support fixture

*246589006200

46

Clamp off fuel line (4), remove from high-pressure pump, and seal openings using suitable stop plugs.

 Record plug

*129589009100

 Clamp

*000589403700

47

Remove screws from transmission mount on transmission.

AR26.10-P-0030MTA

 Transmission mount remains at left longitudinal member.

48

Remove right engine mount.

AR22.10-P-1102MTA

49

Move out engine with transmission in forward direction.



000 588 03 62 00 Lifting platform

WS01.00-P-0091A


Ensure that engine does not touch the body panels or major assemblies.
Lines, hoses and connections can otherwise be damaged.

50

Install in the reverse order.



Check

51

Check cooling system for leaks.

AR20.00-P-1010MTA

52

Check low-temperature circuit for leak tightness.

AR09.41-P-1010MTA

53

Check oil level of the transmission and correct if necessary.

AR27.00-P-0104NKB

54

Check headlamp adjustment and correct if necessary.



AP82.10-P-8260GI

 Warning

Risk of burn injuries, suffocation and poisoning when working on the exhaust system and the components connected to it. Risk of suffocation and risk of poisoning caused by inhalation of gaseous and solid components of the exhaust. Risk of poisoning caused by skin contact with solid components of the exhaust.

Wear protective clothing and safety glasses. Use the extraction system. Move people out of the hazard area.

AS49.00-Z-0001-01A

 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

55

Perform an engine test run; check the engine for leak-tightness and proper function.

 Starter

Number

Designation

Engine 133

BA15.30-P-1001-01J

Nut, connection for terminal designation 30

Nm

15

 Battery

Number

Designation

Model 117

Model 156

BA54.10-P-1001-01I

Bolt, battery bracket to body

Nm

20

20

 Battery

Number

Designation

Model 176, 246

BA54.10-P-1001-01I

Bolt, battery bracket to body

Nm

20

 Fuse and relay box

Number

Designation

Model 117

Model 156

BA54.15-P-1001-01I

Nut, positive line to prefuse box

M6

Nm

8

8

M8

Nm

16

16

 Fuse and relay box

Number

Designation

Model 176

BA54.15-P-1001-01I

Nut, positive line to prefuse box

M6

Nm

8

M8

Nm

16

 Radiator support

Number

Designation

Model 117, 176, 246

Model 156

BA62.30-P-1001-04D

Bolt, radiator support to longitudinal member

Nm

20

20

 Radiator support

Number

Designation

Model 117, 176, 246

Model 156

BA62.30-P-1004-04D

Bolt, connecting carrier to front axle carrier

Nm

16

16

 Air conditioning

Number

Designation

Model 117

Model 156

BA83.30-P-1002-01G

Bolt/nut, low-pressure and high-pressure lines to expansion valve

Nm

6

6

 Air conditioning

Number

Designation

Model 176, 246

BA83.30-P-1002-01G

Bolt/nut, low-pressure and high-pressure lines to expansion valve

Nm

6

 Air conditioning

Number

Designation

Model 117

Model 156

BA83.30-P-1014-01G

Bolt/nut, high-pressure line to condenser

Nm

8

8

 Air conditioning

Number

Designation

Model 176, 246

BA83.30-P-1014-01G

Bolt/nut, high-pressure line to condenser

Nm

8

 Air conditioning

Number

Designation

Model 117

Model 156

BA83.30-P-1015-01G

Bolt/nut, low-pressure line to condenser

Nm

8

8

 Air conditioning

Number

Designation

Model 176, 246

BA83.30-P-1015-01G

Bolt/nut, low-pressure line to condenser

Nm

8