Remove/install engine with front axle carrier

AR01.10-P-2500MNP

Remove/install engine with front axle carrier

14.05.2020

Engine

177 in model 167

Shown on model 167 with engine 177 except code M036 (Maybach version)

1

Vacuum line

9

Vent line

2

Nut

10

Coolant hose

3

Inerting gas line

11

Coolant line

4

Vent line

12

Coolant hose

5

Union nut

13

Coolant line

6

Fuel line

15

Coolant line

7

Purge lines

18

Nut

8

Coolant hose

19

Nut

Shown on model 167 with engine 177 with code M036 (Maybach version)

32

Coolant hose

Shown on model 167 with engine 177 except code M036 (Maybach version)

14

Oil lines

21

Electrical wiring harness

16

Coolant line

27

Front axle carrier

20

Electrical connectors

28

Electrical connectors

Shown on model 167 with engine 177 with code M036 (Maybach version)

32

Coolant hoses

Shown on right side of vehicle

22

Screw

25

Bolts

L6/1

Left front axle rpm sensor

23

Brake caliper

26

Screw

L6/2

Right front axle rpm sensor

24

Screw

27

Front axle carrier

S10/2

Right front brake wear sensor

Shown on model 167 with engine 177 except code M036 (Maybach version)

27

Front axle carrier

29

Bolts

30

Screw

31

Screw

 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

 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

 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

 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

 Warning

Risk of injury to skin and eyes suffering scalding from contact with hot coolantspray. Risk of poisoning from swallowing coolant.

Do not open cooling system unless coolant temperature is below 90 °C. Open cap slowly and release the pressure. Do not pour coolant into beverage containers.
Wear protective gloves, protective clothing and safety glasses.

AS20.00-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 threaded connections fastened using a tightening angle-based tightening process

AH00.00-P-0020-01A

Topical note

Information on influencing load ratios when removing major assemblies

AH00.60-P-0001-01A

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

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

Notes on repair work on suspension components

AH00.00-P-0100-01A

Notes on safety-relevant components

AH00.00-Z-0019-01A

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

AH01.10-P-0001-01A

 

Remove/install

1

Secure vehicle against rolling away, shift transmission to neutral position, and release parking brake.



AD00.00-P-2000-06ME

2

Deactivate easy entry and exit feature.

Engine 177 in model 167
with code 275 (Driver's seat, electrically adjustable with memory function)

3

Secure vehicle on vehicle lift.

AR00.60-P-1006A

4

Pump pneumatic pressure of suspension struts using vehicle diagnosis system to central reservoir.

Engine 177 in model 167
with code 489 (AIRMATIC)
except code 490 (Electrohydraulic suspension)
Engine 177 in model 167
with code 489 (AIRMATIC)
with code 490 (Electrohydraulic suspension)

Topical note

Notes on air suspension

AH32.22-P-1000-01T



000 588 19 21 00 Leak tester

WS83.00-P-0035B



167 588 00 91 00 Adapter

WS32.00-P-0035B



AD00.00-P-2000-06ME


The complete wheels must not touch the ground.
Suspension struts can otherwise be predamaged and subsequently fail.

 Select menu item "Actuations" in active suspension and damping system control unit.

 Installation: Pump pneumatic pressure using vehicle diagnosis system from central reservoir to suspension struts.

5

Remove cover for air/water duct.

AR83.10-P-1411ME

6

Remove partition upper part.

7

Disconnect the ground line for the on-board electrical system battery(G1).

Engine 177 in model 167
with code 489 (AIRMATIC)
except code 490 (Electrohydraulic suspension)

AR54.10-P-0003ME

8.1

Remove suspension strut electric controller units (M67, M67/1).

Engine 177 in model 167
with code 489 (AIRMATIC)
with code 490 (Electrohydraulic suspension)

AR32.50-P-0047ME

8.2

Remove stabilizer bar.

Engine 177 in model 167
with code 489 (AIRMATIC)
except code 490 (Electrohydraulic suspension)

AR32.35-P-2200ME

9

Turn steering wheel to center position (front wheels in straight-ahead position) and fix steering wheel in place using holding device.


Do not turn steering wheel when steering coupling is removed.
The clock spring contact will otherwise be destroyed.

 Retainer device

*129589012100

10

Drain coolant of the engine cooling circuit.

AR20.00-P-1142MNP

11

Drain coolant of low-temperature circuit.

AR09.41-P-6834MNP

 Installation: Only install upper engine cover after the leak test.

12

Drain engine oil.

Engine 177 in model 167
except code M036 (Maybach version)



AP18.00-P-0101GDD

13

Remove left and right underfloor panelings.

AR61.30-P-1001ME

14

Remove front wheel and tire assemblies.

AR40.10-P-1102ME

15

Remove air filter housing.

Left air filter housing

AR09.10-P-1151MNP

Right air filter housing

AR09.10-P-1152MNP

16

Remove expansion reservoir of the low-temperature circuit.

AR09.41-P-0001MNP

17

Discharge air conditioning system.

AR83.30-P-1760ME

18

Remove vacuum line (1) from the separating point on the firewall and seal openings with suitable stop plugs.

 Record plug

*129589009100

19

Remove nut (2) and remove inerting gas line (3).

 Nut, gas distributor to partition wall

*BA86.10-P-1003-03B

20

Remove bleed line (4) of the front axle differential from the body.

21

Remove fuel pressure via the service connection.

AR07.03-P-1460-01MNL

 Dust protection cap to service connection

*BA07.03-P-1005-01H

 Pressure hose

*119589046300

22

Remove union nut (5) from the separating point, pull out fuel line (6) and remove from the cylinder head cover.

 Collect escaping fuel using suitable means.

 Union nut, fuel line to fuel distributor/fuel system high-pressure pump

*BA07.03-P-1001-01H

23

Seal openings of the fuel distributor and fuel line (6) with suitable stop plugs.

 Record plug

*129589009100

24

Remove purge lines (7) from the separating point and seal openings with suitable stop plugs.

 Record plug

*129589009100

25

Remove coolant hose (8) at separating point for firewall.

AR20.20-P-7441-01RQ

 Capture escaping coolant using suitable means.

26

Remove bleed line(9).

AR20.20-P-7441-01RQ

 Capture escaping coolant using suitable means.

27

Disconnect coolant hose (10) from the coolant line (11).

Engine 177 in model 167
except code M036 (Maybach version)

AR20.20-P-7441-01RQ

 Capture escaping coolant using suitable means.

28

Remove coolant hose (12).

AR20.20-P-7441-01RQ

 Capture escaping coolant using suitable means.

29

Remove coolant hose (32).

Engine 177 in model 167
with code M036 (Maybach version)

AR20.20-P-7441-01RQ

 Capture escaping coolant using suitable means.

30

Remove coolant line (13, 15).

AR20.20-P-7441-01RQ

 Capture escaping coolant using suitable means.

31

Remove oil lines (14) from the engine oil cooler to the engine and seal openings with suitable stop plugs.

Engine 177 in model 167
except code M036 (Maybach version)

 Installation: Install new sealing rings.

 Bolt, oil line to oil line

*BA18.30-P-1007-01N

 Bolt, oil line to engine

*BA18.30-P-1009-01N

 Assembly tool

*000589936300

32

Remove coolant line (16) and place to one side.

Engine 177 in model 167
except code M036 (Maybach version)

AR20.20-P-7441-01RQ

 Capture escaping coolant using suitable means.

33

Remove nut (18), remove refrigerant line at the separating point and seal openings with suitable stop plugs.



Compressor oils (specification 362.1)

BB00.40-P-0362-01A

 Installation: Install new seal and wet with compressor oil.

 Nut, refrigerant line connecting point

*BA83.30-P-1002-01U

 Record plug

*129589009100

34

Remove nut (19), pull the refrigerant line out of the capacitor and seal the openings with suitable stop plugs.



Compressor oils (specification 362.1)

BB00.40-P-0362-01A

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

 Nut, refrigerant line to condenser

*BA83.30-P-1003-01U

 Assembly tool

*000589936300

 Record plug

*129589009100

35

Remove steering coupling from steering shaft.

AR46.10-P-8000ME

36

Remove heat shield from transmission.

AR27.40-P-0700-01GZ

 Screw/bolt, heat shield to oil pan

*BA27.10-P-1009-04H

37

Disconnect engine wiring harness for removal of the engine.

AR15.18-P-1000-05MNO

Topical note

Notes on battery

AH54.10-P-0001-01A

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

 Screw, shield to transfer case

*BA28.10-P-1007-01I

 Nut, positive line to engine compartment/vehicle interior prefuse box

*BA54.15-P-1001-01L

38

Remove exhaust system.

AR49.10-P-7142MNO

 Install engine carrier at the rear after removing the exhaust system.

39

Remove propeller shaft.

AR41.10-P-0050MSC

40

Release and disconnect electrical connectors (20, 28).

41

Remove electrical wiring harness (21) from the front axle carrier (27) and place to one side

 Dismantling tool

*000589956300

42

Release and disconnect electrical connector of the right front brake wear sensor (S10/2).

Only on right hand side of vehicle.

43

Remove screw (22) and remove the connector coupling of right front brake wear sensor (S10/2) from the brake caliper (23).

Only on right hand side of vehicle.

 Bolt, brake pad contact sensor to brake caliper

*BA42.10-P-1004-10L

44

Remove screw (24) .

Only on right hand side of vehicle.

 Bolt, holder for brake hose to steering knuckle

*BA33.20-P-1006-01W

45

Remove screws (25).

 Bolt, holder for brake hose to steering knuckle

*BA33.20-P-1006-01W

46

Remove left front-axle rpm sensor (L6/1) and right front-axle rpm sensor (L6/2) from the wheel carrier.

 Installation: Replace screw/bolts.

 Self-locking bolt, rpm sensor on front axle to steering knuckle

*BA42.30-P-1001-01G

47

Remove left and right brake caliper (23) from the wheel carriers and secure against falling down with the lines connected.

Engine 177 in model 167
with code B06 (Silver brake calipers)
with code U29 (AMG high-performance braking system)
with code U70 (red-painted brake callipers)

AR42.10-P-0070MEX

Engine 177 in model 167
except code B06 (Silver brake calipers)
except code U29 (AMG high-performance braking system)
except code U70 (red-painted brake callipers)

AR42.10-P-0070ME


Do not stretch, crush or kink the brake hoses.
Otherwise damage will occur.

48

Install guard plates for protection of brake disk cover panels.

AR42.00-P-0100-01A

 Guard plate

*220589013100

49

Remove nuts of the screws (26) and remove screws (26) from the front suspension strut.

 Installation: Replace screw/bolts.

 Self-locking nut, shock absorber to wishbone

*BA32.25-P-1002-01O

50

Remove left front level sensor (B22/8) and right front level sensor (B22/9) from the upper transverse control arm.

Engine 177 in model 167
with code 489 (AIRMATIC)
Engine 177 in model 167
with code 613 (headlights left-hand-traffic)
Engine 177 in model 167
with code 631 (Static LED headlamps, left-hand traffic)
Engine 177 in model 167
with code 640 (SAE dynamic LED headlamps, right-hand traffic)
Engine 177 in model 167
with code 641 (Dynamic LED headlamps, left-hand traffic)
Engine 177 in model 167
with code 642 (Dynamic LED headlamps, right-hand traffic)

AR82.10-P-0006ME

51

Remove upper transverse control arms from the wheel carriers.

 Installation: Replace screw/bolts.

 Self-locking nut, upper ball joint out of upper transverse control arm to steering knuckle

*BA33.20-P-1001-01W

 Warning

Risk of injury. Moving parts can pinch, crush or, in extreme cases even sever extremities.

No parts of the body or limbs should be within the operating area of mechanical components when moving components.

AS00.00-Z-0009-01A

52

Support front axle carrier (27) and secure engine transmission unit against slipping and falling down using suitable means.



000 588 03 62 00 Lifting platform

WS01.00-P-0091A

53

Remove rear engine carrier from the body.

AR22.10-P-4360MNP

54

Remove rear screws (31) and screws (29) and remove rear brackets from the front axle carrier (27).

 Bolt, front axle carrier to longitudinal member

*BA33.10-P-1001-01I

 Bolt, stiffening plate to body

*BA33.10-P-1003-01I

55

Remove front screws (31) and screws (30) and remove front brackets from the front axle carrier (27).

 Bolt, front axle carrier to longitudinal member

*BA33.10-P-1001-01I

 Bolt, stiffening plate to longitudinal member

*BA33.10-P-1002-01I

56

Lower front axle carrier (27) with the engine transmission unit.



000 588 03 62 00 Lifting platform

WS01.00-P-0091A

 Installation:
The engine transmission unit must not be in contact with body panels.
Otherwise damage will occur.


Do not crush or kink or subject lines to tension.
Otherwise, the lines will be damaged.

 Aid of helper required.

57

Install in the reverse order.

Concluding tasks

 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

58

Perform engine test run. While doing so, check engine for proper operation and leak tightness.

59

Perform wheel alignment measurement.

AR40.20-P-0200ME

 Injection nozzles, injection valves, lines

Number

Designation

Engine 177

BA07.03-P-1001-01H

Union nut, fuel line to fuel distributor/fuel system high-pressure pump

In case of reusability

Nm

22

For new lines

Stage 1

Nm

15

Stage 2

°

90

 Injection nozzles, injection valves, lines

Number

Designation

Engine 177

BA07.03-P-1005-01H

Dust protection cap to service connection

Nm

1

 Oil cooling

Number

Designation

Engine 177 except in model 463

BA18.30-P-1007-01N

Bolt, oil line to oil line

Nm

8

 Oil cooling

Number

Designation

Engine 177 except in model 463

BA18.30-P-1009-01N

Bolt, oil line to engine

Nm

8

 Automatic transmission complete

Number

Designation

Transmission 725.0/1

BA27.10-P-1009-04H

Screw/bolt, heat shield to oil pan

Nm

9

 Complete transfer case

Number

Designation

Model 167 with engine 176, 177, 256, 274, 656
except code 430 (Offroad package)

Model 167
with code 430 (Offroad package)

BA28.10-P-1007-01I

Screw, shield to transfer case

M8

Nm

35

35

 Front axle shock absorber

Number

Designation

Model 167

BA32.25-P-1002-01O

Self-locking nut, shock absorber to wishbone

Stage 1

Nm

100

Stage 2

°

180

 Front axle carrier

Number

Designation

Model 167

BA33.10-P-1001-01I

Bolt, front axle carrier to longitudinal member

M141.5

Stage 1

Nm

100

Stage 2

°

120

Stage 3

°

-180

Stage 4

Nm

100

Stage 5

°

90

 Front axle carrier

Number

Designation

Model 167

BA33.10-P-1002-01I

Bolt, stiffening plate to longitudinal member

M10

Nm

60

 Front axle carrier

Number

Designation

Model 167

BA33.10-P-1003-01I

Bolt, stiffening plate to body

M8

Nm

-

M10

Nm

60

 Wheel control, hub

Number

Designation

Model 167

BA33.20-P-1001-01W

Self-locking nut, upper ball joint out of upper transverse control arm to steering knuckle

Stage 1

Nm

75

Stage 2

°

45

 Wheel control, hub

Number

Designation

Model 167

BA33.20-P-1006-01W

Bolt, holder for brake hose to steering knuckle

Nm

8

 Front axle brake caliper

Number

Designation

Model 167

BA42.10-P-1004-10L

Bolt, brake pad contact sensor to brake caliper

M6

Nm

8

 Front axle rpm sensor

Number

Designation

Model 167

BA42.30-P-1001-01G

Self-locking bolt, rpm sensor on front axle to steering knuckle

Nm

8

 Fuse and relay box

Number

Designation

Model 167

BA54.15-P-1001-01L

Nut, positive line to engine compartment/vehicle interior prefuse box

M6

Nm

8

M8

Nm

16

 Air conditioning

Number

Designation

Model 167

BA83.30-P-1002-01U

Nut, refrigerant line connecting point

M6

Nm

12

M8

Nm

20

 Air conditioning

Number

Designation

Model 167

BA83.30-P-1003-01U

Nut, refrigerant line to condenser

M6

Nm

12

 Inerting

Number

Designation

Model 167

BA86.10-P-1003-03B

Nut, gas distributor to partition wall

M6

Nm

-

M5

Nm

5