Remove/install front engine mount

AR22.10-P-4330OLC

Remove/install front engine mount

22.11.2019

Engine

642, 654 in model 213

Engine

642, 654 in model 238

Engine

654 in model 257

Shown on model 213 with ENGINE 654 on the left side

1

Engine mount

2

Screw

4

Bolts

Shown on model 213 with ENGINE 654 on the right side

1

Engine mount

4

Bolts

6

Screw

2

Screw

5

Heat shield

 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

 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

 Danger

Risk of death when working on component parts and systems with U >= 30 V alternating voltage (AC) or U >= 60 V direct voltage (DC)

Do not touch damaged or defective live component parts and lines or non-insulated electrical connections and lines.

AS00.00-Z-0035-01A

Topical note

General information on handling vehicles with high-voltage on-board electrical system and/or lithium-ion battery and/or gaseous-fuel drive system

AH00.00-Z-0300-01A

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

AH00.00-P-0015-01CW

 

Remove/install

1

Perform power disconnect of high-voltage on-board electrical system.

Engine 654 in model 213.016/216

AR54.10-P-1150LHV

2

Remove center and rear sections of lower engine compartment lining.

Engine 642, 654 in model 213, 238

AR61.20-P-1105LWE

Engine 654 in model 257

AR61.20-P-1105FR

3

Remove air filter housing on left and right.

Engine 642 in model 213, 238

AR09.10-P-1150OGW

4

Remove rack-and-pinion steering.

For removal of the right-hand engine mount (1).

Engine 642, 654 in model 238
with code M005 (Vehicles with 4MATIC/all-wheel drive)

AR46.20-P-0600LWO

Engine 642, 654 in model 213
with code M005 (Vehicles with 4MATIC/all-wheel drive)

AR46.20-P-0600LW

Engine 654 in model 257
with code M005 (Vehicles with 4MATIC/all-wheel drive)

AR46.20-P-0600FR

5

Remove front axle shafts.

Engine 642, 654 in model 213, 238 with transmission 725.0
with code M005 (Vehicles with 4MATIC/all-wheel drive)
Engine 654 in model 257 with transmission 725.0
with code M005 (Vehicles with 4MATIC/all-wheel drive)

Engine 642, 654 in model 213, 238 with transmission 725.0
with code M005 (Vehicles with 4MATIC/all-wheel drive)

AR33.30-P-0620LW

6.1

Remove exhaust system.

Engine 654 in model 213, 238, 257

AR49.10-P-7142OLC

6.2

Remove diesel particulate filter.

Engine 642 in model 213, 238

AR14.40-P-1000OGW

7

Remove screw (6) and place heat shield (5) to one side.

8

Remove screws (2).

 Engine 642, 654 in model 238
with code M005 (Vehicles with 4MATIC/all-wheel drive)
Engine 654 in model 238
except code M005 (Vehicles with 4MATIC/all-wheel drive)Bolt, front engine mount to engine support

*BA22.10-P-1001-03O

 Engine 642, 654 in model 213
Engine 654 in model 257Bolt, front engine mount to engine support

*BA22.10-P-1001-03N

 Engine mount wrench set

*001589011600

9

Remove bracket from right engine mount (1) and place to one side with clipped in lines.

Engine 642 in model 213, 238

 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

10

Install engine support fixture and raise engine.

AR01.10-P-2400-17MRD


Raise engine carefully.
Damage may otherwise occur to lines and hoses.

 Adaptation plates

*240589003200

 Adapter kit

*240589013100

 Engine lifting device

*240589006100

 Engine hoist

*205589006100

11

Remove screws/bolts (4).

 Engine 642, 654 in model 238
with code M005 (Vehicles with 4MATIC/all-wheel drive)
Engine 654 in model 238
except code M005 (Vehicles with 4MATIC/all-wheel drive)Bolt, front engine mount to front axle carrier

*BA22.10-P-1002-03O

 Engine 642, 654 in model 213
Engine 654 in model 257Bolt, front engine mount to front axle carrier

*BA22.10-P-1002-03N

12

Remove engine mounts (1) downward.

 Pay attention to environmental protection regulations for disposal of engine mounts (1). Dispose of engine mounts (1) into mixed scrap.

 Always replace engine mounts (1) in pairs.

13

Install in the reverse order.

 Engine mount, engine support (engine side)

Number

Designation

Model 213 with engine 256, 264, 274, 276, 642, 654, 656

Model 257

BA22.10-P-1001-03N

Bolt, front engine mount to engine support

M10

Stage 1

Nm

50

50

Stage 2

°

-

-

 Engine mount, engine support (engine side)

Number

Designation

Model 238
except code M005 (Vehicles with 4MATIC/all-wheel drive)

Model 238
with code M005 (Vehicles with 4MATIC/all-wheel drive)

BA22.10-P-1001-03O

Bolt, front engine mount to engine support

Nm

50

50

 Engine mount, engine support (engine side)

Number

Designation

Model 213 with engine 256, 264, 274, 276, 642, 654, 656

Model 257

BA22.10-P-1002-03N

Bolt, front engine mount to front axle carrier

M8

Nm

30

30

 Engine mount, engine support (engine side)

Number

Designation

Model 238
except code M005 (Vehicles with 4MATIC/all-wheel drive)

Model 238
with code M005 (Vehicles with 4MATIC/all-wheel drive)

BA22.10-P-1002-03O

Bolt, front engine mount to front axle carrier

Nm

30

30