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Remove/Install Automatic Transmission - AR27.10-P-0005OLH

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Transmission 725.047 in model 253.353/953 with engine 274.9 

G14474340Courtesy of MERCEDES-BENZ USA
G14474341Courtesy of MERCEDES-BENZ USA
G14474342Courtesy of MERCEDES-BENZ USA
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
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
Notice Notes on self-locking nuts and bolts   AH00.00-P-0001-01KOA
Notice 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
Notice Notes on avoiding damage through contamination and foreign objects   AH00.00-P-5000-01A
Notice Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
  Note on calculation of tightening torque when using insertion or socket tools with various effective lengths   AH00.00-P-0015-01CW
  Notes on safety-relevant components   AH00.00-Z-0019-01A
  Notes on automatic transmission   AH27.19-P-0001-01NKB 
REMOVING Remove     
1 Move automatic transmission (1) to the neutral position and release the parking brake.    
2 Remove voltage of high-voltage on-board electrical system.   AR54.10-P-1150LVH
3 Disconnect ground line of on-board electrical system battery (G1).   AR54.10-P-0003LW
4 Secure vehicle on vehicle lift.   AR00.60-P-0100CW
5 Remove propeller shaft to front axle differential. Transmission 725.047 in model 253.353/953
with engine 274.9
with code M005 (Vehicles with 4MATIC/all-wheel drive)		 AR41.10-P-0070LW
6 Remove propeller shaft.   AR41.10-P-0050LWX
7 Remove bolt (2).    
8 Remove equipotential bonding line (3) from automatic transmission (1).    
9 Remove transmission oil lines. Transmission 725.047 in model 253.353/953 with engine 274.9
with code M005 (Vehicles with 4MATIC/all-wheel drive)		 AR27.55-P-0600LW
10 Release and disconnect electrical connector (4).    
11 Remove electric line (5) from automatic transmission (1) and place to one side. SPECIAL TOOL Clip remover Fig 8
12 Remove electric line (6) from automatic transmission (1) and place to one side. SPECIAL TOOL Clip remover Fig 8
13 Remove screw (7).    
14 Remove ground line (8) from automatic transmission (1). SPECIAL TOOL Clip remover Fig 8
15 Release securing clip (9) and remove bayonet coupling (10) from electrohydraulic controller unit.    
16 Seal off bayonet coupling (10) and connection on electrohydraulic controller unit with protective covers. SPECIAL TOOL Set of protective covers Fig 5
17 Remove screw (11, 12).    
18 Remove holder (13) from automatic transmission (1).    
19 Remove screws (14).    
20 Remove starter (M1) from crankcase (16) and secure against falling down.    
21 Support and tie down automatic transmission (1) using major assembly support and mounting plate.    
REFER TO SPECIAL TOOLS 000 588 11 62 00 Major assembly mount   WS01.00-P-0092B
REFER TO SPECIAL TOOLS 000 588 10 62 00 Support plate   WS26.00-P-3309B
22 Remove rear engine carrier.   AR22.10-P-4360LWB
23 Lower automatic transmission (1) far enough until screw (17) and protection bar (18) are accessible.    
REFER TO SPECIAL TOOLS 000 588 10 62 00 Support plate   WS26.00-P-3309B
REFER TO SPECIAL TOOLS 000 588 11 62 00 Major assembly mount   WS01.00-P-0092B
24 Remove screw (17) and remove protection bar (18).    
25 Remove screw (19) from 3-phase plug (20). IMPORTANT Screw (19) remains in place on 3-phase plug (20).  
26 Remove screw (21).    
27 Remove cable duct (22) from automatic transmission (1) (arrows). SPECIAL TOOL Clip remover Fig 8
28 Detach 3-phase plug (20) from automatic transmission (1).    
29 Fasten cable duct (22) to vehicle free of tension.    
30 Seal off 3-phase plug (20) and connection on automatic transmission (1) using protective covers. SPECIAL TOOL Set of protective caps Fig 7
31 Remove screws (23).    
32 Place holder (24) with starter wiring harness (25) to one side.    
33 Remove screws (26) around circumference of automatic transmission (1). SPECIAL TOOL Set of flexible head wrenches Fig 2
34 Remove automatic transmission (1) and lower    
REFER TO SPECIAL TOOLS 000 588 10 62 00 Support plate   WS26.00-P-3309B
REFER TO SPECIAL TOOLS 000 588 11 62 00 Major assembly mount   WS01.00-P-0092B
35 Attach automatic transmission (1) to assembly stand. If further work is to be performed on the transmission (1). AR27.10-P-0600-01MRD
REFER TO SPECIAL TOOLS 000 588 00 31 00 Assembly stand for cars   WS01.00-Z-3028KOB
    IMPORTANTCommercially available devices/tools  Workshop crane  
    SPECIAL TOOL Adapter Fig 6
    SPECIAL TOOL Assembly device Fig 1
36   SPECIAL TOOL Lifting device Fig 4
  Remove transfer case from automatic transmission (1). If further work is to be performed on the transmission (1).  
    Transmission 725.047 in model 253.353/953 with engine 274.9
with code M005 (Vehicles with 4MATIC/all-wheel drive)		 AR28.10-P-0100LWX
CLEAN Clean     
37 Remove corrosion from crankshaft.   AR03.20-P-1000-01A
    Assembly cleaner *BR00.45-Z-1028-04A 
    Multi-purpose paste *BR00.45-Z-1009-06A 
INSTALLING Install     
38 Mount transfer case onto automatic transmission (1). If further work has been performed on automatic transmission (1).  
    Transmission 725.047 in model 253.353/953 with engine 274.9
with code M005 (Vehicles with 4MATIC/all-wheel drive)		 AR28.10-P-0100LWX
39 Remove automatic transmission (1) from assembly stand. If further work has been performed on automatic transmission (1).  
REFER TO SPECIAL TOOLS 000 588 00 31 00 Assembly stand for cars   WS01.00-Z-3028KOB
    IMPORTANTCommercially available devices/tools   
    Workshop crane  
    SPECIAL TOOL Adapter Fig 6
    SPECIAL TOOL Assembly device Fig 1
    SPECIAL TOOL Lifting device Fig 4
40 Secure automatic transmission (1) on mounting plate and remove lifting device from automatic transmission (1). If further work has been performed on automatic transmission (1).  
REFER TO SPECIAL TOOLS 000 588 10 62 00 Support plate   WS26.00-P-3309B
REFER TO SPECIAL TOOLS 000 588 11 62 00 Major assembly mount   WS01.00-P-0092B
    IMPORTANTCommercially available devices/tools 
Workshop crane		  
    SPECIAL TOOL Lifting device Fig 4
41 Lift automatic transmission (1) and position on engine.    
REFER TO SPECIAL TOOLS 000 588 10 62 00 Support plate   WS26.00-P-3309B
REFER TO SPECIAL TOOLS 000 588 11 62 00 Major assembly mount   WS01.00-P-0092B
42 Screw in screws (26) around circumference of automatic transmission (1). TORQUE SPECIFICATION Screw/bolt, transmission to engine *BA27.10-P-1001-04H 
    SPECIAL TOOL Set of flexible head wrenches Fig 2
43 Position holder (24) with starter wiring harness (25) onto automatic transmission (1).    
44 Screw in screw/bolts (23). TORQUE SPECIFICATION M6X1 *BA00.10-P-1002-04A 
45 Remove protective covers from 3-phase plug (20) and connection on automatic transmission (1). SPECIAL TOOL Set of protective caps Fig 7
46 Position 3-phase plug (20) on automatic transmission (1).    
47 Screw in screw (19). TORQUE SPECIFICATION Bolt, 3-phase high-voltage line coupling connector to electrical machine housing *BA08.10-P-1001-01F 
48 Attach cable duct (22) to automatic transmission (1) (arrows).    
49 Screw in screw (21).    
50 Position protection bar (18) on automatic transmission (1).    
51 Screw in screw (17). TORQUE SPECIFICATION Bolt, hoop guard to transmission *BA08.10-P-1002-01F 
52 Lift automatic transmission (1) further as far as the installation position.    
  000 588 10 62 00 Support plate   WS26.00-P-3309B
  000 588 11 62 00 Major assembly mount   WS01.00-P-0092B
53 Install rear engine carrier.   AR22.10-P-4360LWB
54 Position starter (M1) on crankcase (16).    
55 Screw in bolts (14). TORQUE SPECIFICATION Bolt, starter to crankcase/transmission *BA15.30-P-1003-01J 
56 Attach holder (13) to automatic transmission (1).    
57 Screw in screws (11, 12). TORQUE SPECIFICATION Collar bolt, holder for heat shield to transmission/holder for exhaust system *BA33.30-P-1010-03G 
    TORQUE SPECIFICATION Screw/bolt, transmission to engine *BA27.10-P-1001-04H 
58 Remove protective covers from bayonet coupling (10) and connection on electrohydraulic controller unit. SPECIAL TOOL Set of protective caps Fig 3
59 Attach bayonet coupling (10) to electrohydraulic controller unit and lock securing clip (9).    
60 Attach ground line (8) to automatic transmission (1).    
61 Screw in screw/bolt (7). TORQUE SPECIFICATION Bolt, ground line to transmission housing *BA27.10-P-1024-04H 
62 Attach electric line (6) to automatic transmission (1).    
63 Attach electric line (5) to automatic transmission (1).    
64 Connect and lock electrical connector (4).    
65 Install transmission oil lines. Transmission 725.047 in model 253.353/953 with engine 274.9
with code M005 (Vehicles with 4MATIC/all - wheel drive)		 AR27.55-P-0600LW
66 Position equipotential bonding line (3) on automatic transmission (1).    
67 Screw in bolt (2). TORQUE SPECIFICATION Transmission 725.047 in model 253.353/953 with engine 274.9
with code ME05 (Hybrid drive 85 kW-94 kW variant (incl. plug-in)) Nut/bolt, equipotential bonding line to high-voltage distributor/transmission		 *BA54.10-P-1005-03E 
68 Install propeller shaft.   AR41.10-P-0050LWX
69 Install propeller shaft for front axle differential. Transmission 725.047 in model 253.353/953 with engine 274.9
with code M005 (Vehicles with 4MATIC/all-wheel drive)		 AR41.10-P-0070LW
70 Attach ground line of the on-board electrical system battery (G1).   AR54.10-P-0003LW
71 Put the high-voltage on-board electrical system into operation.   AR54.10-P-1150LVH
72 Read out and delete fault memory.    
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-04B
73 Fill automatic transmission (1) with automatic transmission fluid.   AR27.00-P-0270EWH 
    IMPORTANT Only install lower engine compartment paneling after a leak test.  
74 Perform adaptation of automatic transmission (1). If automatic transmission (1), the position sensor for the rotor of the electric machine or the electric machine has been replaced.  
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-04B
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
75 Perform engine test run and check automatic transmission (1) for proper operation and leak tightness.    
76 Install lower engine compartment paneling.   AR61.20-P-1105LW
77 Disconnect vehicle from vehicle lift.   AR00.60-P-0100CW
METRIC SCREWS/BOLTS AND NUTS AS PER MBN 10 105, 10 143

Number Designation 8.8 10.9
BA00.10-P-1002-04A M6X1 Nm 9 13
ELECTRIC MOTOR

Number Designation Model 253 (except 253.992/993) with code ME05 (Hybrid drive 85 kW-94 kW variant (incl. plug-in))
BA08.10-P-1001-01F Bolt, 3-phase high-voltage line coupling connector to electrical machine housing Nm 10
ELECTRIC MOTOR

Number Designation Model 253 (except 253.992/993) with code ME05 (Hybrid drive 85 kW-94 kW variant (incl. plug-in))
BA08.10-P-1002-01F Bolt, hoop guard to transmission Nm 15
STARTER

Number Designation Engine 274
BA15.30-P-1003-01J Bolt, starter to crankcase/transmission Nm 40
AUTOMATIC TRANSMISSION COMPLETE

Number Designation Transmission 725.0/1
BA27.10-P-1001-04H Screw/bolt, transmission to engine Nm 39
AUTOMATIC TRANSMISSION COMPLETE

Number Designation Transmission 725.0/1
BA27.10-P-1024-04H Bolt, ground line to transmission housing Nm 20
FRONT AXLE GEAR

Number Designation Model 253
BA33.30-P-1010-03G Collar bolt, holder for heat shield to transmission/holder for exhaust system M6 Nm 11
M8 Nm -
HIGH-VOLTAGE DISTRIBUTOR

Number Designation Model 253 with code ME05 (Hybrid drive 85 kW-94 kW variant (incl. plug-in)) Model 253 with code ME02 (Fuel cell)
BA54.10-P-1005-03E Nut/bolt, equipotential bonding line to high-voltage distributor/transmission M6 Nm 9 -
M10 Nm 39 -
Fig 1: Identifying Assembly Device (724 589 04 40 00)
G12618363Courtesy of MERCEDES-BENZ USA
Fig 2: Identifying Set Of Flexible Head Wrenches (001 589 81 09 00)
G12935124Courtesy of MERCEDES-BENZ USA
Fig 3: Identifying Set Of Protective Caps (001 589 00 91 00)
G12079434Courtesy of MERCEDES-BENZ USA
Fig 4: Identifying Lifting Device (724 589 02 63 00)
G12935451Courtesy of MERCEDES-BENZ USA
Fig 5: Identifying Set Of Protective Covers (001 589 01 91 00)
G12079431Courtesy of MERCEDES-BENZ USA
Fig 6: Identifying Adapter (725 589 04 31 00)
G12083184Courtesy of MERCEDES-BENZ USA
Fig 7: Identifying Set Of Protective Caps (001 589 02 91 00)
G12079429Courtesy of MERCEDES-BENZ USA
Fig 8: Identifying Clip Remover (452 589 01 63 00)
G11129172Courtesy of MERCEDES-BENZ USA
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1009-06A Multi-purpose paste A 000 989 80 51
BR00.45-Z-1028-04A Assembly cleaner A 000 986 56 01
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