Remove/install rear cover on transfer case

AR28.40-P-0815MSA

Remove/install rear cover on transfer case

05.05.2020

Transmission

725.0 in model 257, 290 with engine 256

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

1

Bolts

2

Output flange

3

Cover

5

Transmission

7

Transfer case

9

Vibration damper

10

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

 Caution

Risk of injury to skin and eyes due to handling of transmission oil. Health risk caused by swallowing transmission oil

Wear protective gloves, protective clothing and safety glasses.
Do not pour transmission oil into beverage bottles.

AS00.40-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

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

Topical note

Notes on threaded connections with aluminum screws/bolts

AH00.00-P-0006-01RM

Notes on automatic transmission

AH27.19-P-0001-01NKB

 

Remove/install

1

Secure vehicle on vehicle lift.

AR00.60-P-0100-01A

 Vehicle hoist securing tool

*171589013100

2

Shift the transmission (5) into neutral position.

3

Release parking brake.

4

Remove center and rear lower engine compartment lining.

Transmission 725.0 in model 290 with engine 256
with code M005 (Vehicles with 4MATIC/all-wheel drive)

AR61.20-P-1105FRX

Transmission 725.0 in model 257 with engine 256
with code M005 (Vehicles with 4MATIC/all-wheel drive)

AR61.20-P-1105FR

 Installation: Only install center and rear lower rear engine compartment paneling again after leak test.

5

Drain transmission oil from transfer case (7).



Transmission 725.0 in model 257 (except 257.361) with engine 256
with code M005 (Vehicles with 4MATIC/all-wheel drive)

AP28.00-P-2801A



Transmission 725.0 in model 257.361 with engine 256
with code M005 (Vehicles with 4MATIC/all-wheel drive)
Transmission 725.0 in model 290 with engine 256
with code M005 (Vehicles with 4MATIC/all-wheel drive)

AP28.00-P-2801C

6

Remove exhaust system.

AR49.10-P-7142MSA

7

Remove heat shield behind transfer case  (7).

8

Remove propeller shaft from output flange (2) of transfer case (7), slide backward and secure against falling down

Transmission 725.0 in model 290 with engine 256
with code M005 (Vehicles with 4MATIC/all-wheel drive)

AR41.10-P-0040-01MNI

Transmission 725.0 in model 257 with engine 256
with code M005 (Vehicles with 4MATIC/all-wheel drive)

AR41.10-P-0040-01MSA



Drift for releasing the fitting sleeves in the flexible couplings

WF58.50-P-4110-01A

 Flexible coupling to transmission/rear axle differential or propeller shaft

*BA41.10-P-1001-01M

 Counterholder

*176589004000

9

Remove rear engine carrier.

Transmission 725.0 in model 257, 290 with engine 256.9
with code M005 (Vehicles with 4MATIC/all-wheel drive)

AR22.10-P-4360MSA

10

Remove screws (10) and remove vibration damper (9).

 Bolt, vibration damper to transfer case

*BA28.10-P-1008-01G

11

Lower transmission (5) until all screws (1) on the cap (3) are accessible.

12

Remove output flange (2) from transfer case (7).

Transmission 725.0 in model 290 with engine 256
with code M005 (Vehicles with 4MATIC/all-wheel drive)

AR28.10-P-4080-02MNI

Transmission 725.0 in model 257 with engine 256
with code M005 (Vehicles with 4MATIC/all-wheel drive)

AR28.10-P-4080-02MSA

 Nut, output flange to transfer case

*BA28.10-P-1006-01G

 Counterholder

*176589004000

 Socket wrench bit

*126589020900

 Puller, two-arm

*000589883300

13

Remove radial shaft sealing ring from output flange (2).

AR28.10-P-4150MSA

14

Remove screws (1) and take off cap (3).

Notes on sealing the transfer case

AH28.10-P-0100-01AVG

 Installation: Observe sealant path.

 Bolt, rear transfer case cover to transfer case

*BA28.10-P-1005-01G

15

Install in the reverse order.

16

Check transfer case (7) for leak tightness.

17

Install center and rear lower engine compartment lining.

Transmission 725.0 in model 290 with engine 256
with code M005 (Vehicles with 4MATIC/all-wheel drive)

AR61.20-P-1105FRX

Transmission 725.0 in model 257 with engine 256
with code M005 (Vehicles with 4MATIC/all-wheel drive)

AR61.20-P-1105FR

18

Disconnect vehicle from vehicle lift.

AR00.60-P-0100-01A

 Vehicle hoist securing tool

*171589013100

 Complete transfer case

Number

Designation

Model 205, 213, 217, 218, 222, 223, 238, 253, 257, 290 with transmission 725.0/1
with code M005 (Vehicles with 4MATIC/all-wheel drive)

BA28.10-P-1005-01G

Bolt, rear transfer case cover to transfer case

Nm

40

 Complete transfer case

Number

Designation

Model 205, 213, 217, 218, 222, 223, 238, 253, 257, 290 with transmission 725.0/1
with code M005 (Vehicles with 4MATIC/all-wheel drive)

BA28.10-P-1006-01G

Nut, output flange to transfer case

Nm

200

 Complete transfer case

Number

Designation

Model 205, 213, 217, 218, 222, 223, 238, 253, 257, 290 with transmission 725.0/1
with code M005 (Vehicles with 4MATIC/all-wheel drive)

BA28.10-P-1008-01G

Bolt, vibration damper to transfer case

Nm

39

 Propeller shaft

Number

Designation

Model 257

Model 290

BA41.10-P-1001-01M

Flexible coupling to transmission/rear axle differential or propeller shaft

Direct threaded connection

Stage 1

Nm

60

60

Stage 2

°

90

90