Remove/install engine with front axle carrier

AR01.10-P-2500RTB

Remove/install engine with front axle carrier

14.2.12

19.10.11

Value changed: Nut, link rod to stabilizer bar

*BA32.20-P-1004-02L

Value changed: Nut, link rod to stabilizer bar

*BA32.20-P-1004-02L

 

Remove/install

Danger!

Risk of death caused by vehicle slipping or toppling off of the lifting platform.

Align vehicle between columns of vehicle lift and position four support plates at vehicle lift support points specified by vehicle manufacturer.

AS00.00-Z-0010-01A

 Danger!

Risk of injury caused by fingers being pinched or crushed when removing, installing or aligning hoods, doors, trunk lids, liftgates or sliding roof

Keep body parts and limbs well clear of moving parts.

AS00.00-Z-0011-01A



Notes on self-locking nuts and bolts

AH00.00-N-0001-01A



On vehicles with memory package (driver seat, steering column, mirrors) code 275 the easy entry/exit must be disabled otherwise damage can occur when reconnecting the battery, as the driver seat and steering wheel can move into another position, when for example the driver door is opened or closed. The system is deactivated in the "Comfort" menu of multifunction display using buttons on steering wheel



Procedure for a damaged or leaky air conditioning system

AH83.30-N-0004-01A



Protect air conditioning circuit and components from moisture when carrying out repair work

All models with air conditioning

AH83.30-N-0005-01A



Notes on handling R134a refrigerant

Air conditioning with refrigerant R134a

AH83.30-N-0003-01A



For all steps, proceed as per the operating instructions for the air conditioning vacuum, recycling and filling unit for refrigerant R134a

 Danger!

Risk of explosion caused by escaping oxyhydrogen gas. Risk of injury caused by caustic burns to eyes, skin and mucous membranes from battery electrolyte (contains diluted sulfuric acid) or metal spatter due to short circuit. Risk of burn injuries caused by short circuit. Risk of poisoning caused by swallowing battery electrolyte (contains diluted sulfuric acid) or absorption of lead over the skin or orifices

No fire, sparks, open flames or smoking.

Wear acid-resistant gloves and clothing and safety glasses with side guards.

Do not place any conductive objects on the battery and avoid any short circuit from battery positive to ground.

Only fill liquid battery electrolyte (diluted sulfuric acid) into suitable and appropriately marked containers.

AS54.10-Z-0001-01A

1

Disconnect ground line at battery

 Insulate ground line as a protection against unintentional contact of detached ground line with ground point of battery.

AR54.10-P-0003RT



Notes on battery

AH54.10-P-0001-01A

 Vehicles with Keyless-Go code 889:

Switch engine off, remove Keyless-Go cards from vehicle and store outside of transmitter range.

2

Drain air conditioning system

AR83.30-P-1760RT

3

Remove partition wall between wheel wells

AR62.30-P-2400RT

4

Remove engine trim panel

5

Remove intake air ducts upstream of air filter

6

Remove charge air hose upstream of charge air cooler

AR09.41-P-8621GZB

7

Remove charge air hose downstream of the charge air cooler

AR09.41-P-8625GZB

8

Remove wheels on front axle



Remove/install wheels, rotate if necessary

AP40.10-P-4050RT

9

Remove bottom section of soundproofing

AR94.30-P-5300RT

10

Remove front wheel well lining

 Remove both sides.

AR88.10-P-1300RT

11

Disconnect engine wiring harness

AR01.00-P-2410RTB

12

Detach vacuum hose (1) on vacuum pump (2)

13

Suction off hydraulic fluid from the expansion reservoir of power steering (3)

 Hand pump

*210589007100

 Power steering

*BF46.20-P-1001-01D

14

Disconnect refrigerant suction line to connecting point in the engine compartment

AR83.30-P-7810RT

15

Detach hydraulic line (4) at power steering expansion reservoir (3)

 Set of stop plugs

*129589009100

16

Drain coolant at radiator

AR20.00-P-1142GZB



Notes on coolant

AH20.00-N-2080-01A

17

Disconnect refrigerant pressure line to connecting point on condenser

AR83.30-P-7810RT

18

Detach coolant hose (5, 6) at thermostat housing (7)

 Check condition of coolant hoses (5, 6), clamps and sealing rings, replace if necessary.

19

Disconnect coolant hoses (8, 9) at connection fitting (10)

 Inspect condition of coolant hoses (8, 9) and hose clamps; replace if necessary.

20

Remove oil cooler lines from automatic transmission on radiator connections (11)

 Seal all connections immediately.

 Set of stop plugs

*129589009100

21

Remove lines for power steering on radiator connections (12)

 Seal all connections immediately.

 Set of stop plugs

*129589009100

22

Fix steering wheel in center position

 Installation: On vehicles with memory package (driver seat, steering column, mirrors) code 275 the holding device must be removed before connecting the.battery

 Holding device

*129589012100

23

Disconnect steering shaft (16) on universal joint (17)

 The bolt (18) must be completely unscrewed since it is fed into a groove.



*BA46.10-P-1001-01K

24

Remove exhaust system

 Do not completely remove exhaust system, instead separate at rear flange connection.

AR49.10-P-7100GZB

25

Remove bolts (53), remove reinforcement (15)

26

Remove propeller shaft on transfer case (35) or adapter housing

 Mark propeller shaft relative to propeller shaft flange.

AR41.10-P-0050RT

 Installation: Observe tightening procedure for propeller shaft on transfer case (35).

27

Disconnect right front brake pad contact sensor connector on brake caliper (26)

28

Remove guide pin (20) and brake caliper (26)

 Fasten brake calipers with lines connected to upper transverse control arms (25).

 Installation: Replace guide bolts (20).



*BA42.10-P-1002-10L

29

Remove bracket (21)

 Installation: Install new cable ties.

30

Unscrew left front rpm sensor (L6/1) and or right front rpm sensor (L6/2) on wheel carrier

 Fasten all lines using a cable tie to suspension strut on corresponding side.



*BA42.30-P-1001-01I

31

Remove nuts (23) on link rods of stabilizer bar (22)



*BA32.20-P-1004-02L

32

Remove nuts (24) on transverse control arms (25)



*BA33.20-P-1001-01L

 Puller

*601589043300

 Thrust piece

*140589006300

33

Remove shock-absorber struts on lower control arm

 Installation: Final tightening if vehicle on measuring platform or in K0 position, in order to avoid placing the rubber mount under stress.



*BA32.25-P-1002-01H

34

Secure vehicle on lifting platform against falling over

 Lifting platform retainer

*169589023100

35

Position portable lifting platform with universal assembly mount on front axle carrier and transmission oil pan

 Support front axle and transmission. When doing so ensure that mounting plates are correctly aligned.

 Before removal the complete unit must be secured with the aid of a tensioning strap!

Vehicle lift for major assemblies/scissors-type pallet forklift

gotis://A_01_07.1

36

Remove bolts on engine crossmember

 The engine crossmember remains on transmission.



*BA22.10-P-1005-03F



Notes on bolted connections with self tapping screws

AH00.00-P-0007-01SF

37

Remove bolts (29, 30, 31) on front axle carrier (33) at front



*BA33.10-P-1001-01L



*BA33.10-P-1002-01L



*BA33.10-P-1003-01L

38

Lower engine using front axle carrier (33)

39

Install in the reverse order

40

Fill cooling system

AR20.00-P-1142GZB

41

Inspecting cooling system for leaks

 If cylinder head gaskets are new, warm up engine first of all to operating temperature otherwise complete filling of the engine with coolant is not assured.

AR20.00-P-1010GZB

42

Check engine oil level

 In order to avoid measurement errors, vehicle must be parked on an even surface.

AR18.00-P-3035-01PI

 Shut off engine once it has reached operating temperature and wait approx. 5 minutes before checking engine oil level.

 Without particulate filter

*BF18.00-P-1001-01A

 With code 474 Particulate filter

*BF18.00-P-1001-01S

 Danger!

Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running

Secure vehicle to prevent it from moving by itself.
Wear closed and snug-fitting work clothes.
Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

43

Check transmission oil level and correct if necessary

AR27.00-P-0270W

44

Perform wheel alignment check

AR40.20-P-0200RT

45

Read out fault memory and erase if necessary

 Faults which may have been caused by disconnecting wires or by a simulation must be erased in the fault memory after completing the work.



Connect STAR DIAGNOSIS and read out fault memory

AD00.00-P-2000-04A

Number

Designation

Model 251

BA42.30-P-1001-01I

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

Nm

8

Number

Designation

Model
251
except
251.077/
177

BA42.10-P-1002-10L

Guide pin on caliper support

Nm

55

Number

Designation

Model
251

BA32.20-P-1004-02L

Nut, link rod to stabilizer bar

Stage 1

Nm

100

2nd stage loosen

°

180

Stage 3

Nm

120

Stage 4

°

45

Number

Designation

Model 251

BA33.20-P-1001-01L

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

Stage 1

Nm

20

Stage 2

°

90

Number

Designation

Model 251

BA32.25-P-1002-01H

Self-locking nut, shock absorber to wishbone

Nm

265

Number

Designation

Model 251

BA22.10-P-1005-03F

Bolt, rear engine crossmember to body

Nm

55

Number

Designation

Model 251

BA33.10-P-1001-01L

Self-locking bolt, front axle carrier (front) to longitudinal member

M141.5

Stage 1

Nm

130

Stage 2

°

-180

Stage 3

Nm

100

Stage 4

°

45

BA33.10-P-1002-01L

Self-locking bolt, front axle carrier at rear to longitudinal member

M141.5

Stage 1

Nm

130

Stage 2

°

-180

Stage 3

Nm

100

Stage 4

°

90

BA33.10-P-1003-01L

Bolt, stiffening plate to longitudinal member

M10

Nm

61

Number

Designation

Model 251

BA46.10-P-1001-01K

Bolt, steering coupling to steering shaft

Nm

33

Number

Designation

Model
251 without electrohydraulic P/S (EHPS)

Model
251 with electrohydraulic P/S (EHPS)

BF46.20-P-1001-01D

Power steering

Filling capacity

Liters

1.2

1.5

MB steering gear oil

Sheet

BB00.40-P-0236-03A

BB00.40-P-0236-03A

Number

Designation

Engine
642.940/950 without particulate filter

BF18.00-P-1001-01A

Engine oil

Filling capacity
(oil and filter change)

Liters

8.5

Specifications for Operating Fluids

Sheet

BB00.40-P-0228-03A

Sheet

BB00.40-P-0228-05A

Sheet

BB00.40-P-0228-51A

Sheet

BB00.40-P-0229-03A

Sheet

BB00.40-P-0229-31A

Sheet

BB00.40-P-0229-05A

Sheet

BB00.40-P-0229-51A

Number

Designation

Engine
642.940/950 with particulate filter

BF18.00-P-1001-01S

Engine oil

Filling capacity
(oil and filter change)

Liters

8.5

Specifications for Operating Fluids

Sheet

BB00.40-P-0228-51A

Sheet

BB00.40-P-0229-31A

Sheet

BB00.40-P-0229-51A