Remove/Install Transmission With Torque Converter - AR27.10-P-0500MRF

Transmission 725.0 in model 205 with engine 651

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

Transmission 725.0 in model 205, 253 with engine 264

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

Transmission 725.0 in model 205, 253 with engine 274

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

Shown on model 205 with engine 274

Courtesy of MERCEDES-BENZ USA

Courtesy of MERCEDES-BENZ USA

	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
	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
	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
	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
Notice	Notes on threaded connections fastened using a tightening angle-based tightening process		AH00.00-P-0020-01A
Notice	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
Notice	Notes on self-locking nuts and bolts		AH00.00-P-0001-01KOA
	Notes on automatic transmission		AH27.19-P-0001-01NKB
	Remove
1	Shift the transmission (1) into neutral position.
2	Release parking brake.
3	Disconnect ground line on battery.		AR54.10-P-0003LW
4	Secure vehicle on vehicle lift.		AR00.60-P-0100CW
5	Remove center and rear section of lower engine compartment paneling.		AR61.20-P-1105LW
6	Remove holder of diesel particulate filter.	Transmission 725.0 in model 205 with engine 651 except code M005 (Vehicles with 4MATIC/all-wheel drive)
7	Detach ground line (2) from transmission (1).
8	Remove heat shield (3) from transmission (1).		AR27.40-P-0700-01LF
9	Release and disconnect electrical connection on electric controller unit.
10	Remove electrical wiring harness from transmission (1).
11	Remove oil lines from transmission (1) and oil pan.	Transmission 725.0 in model 205, 253 with engine 264 except code M005 (Vehicles with 4MATIC/all-wheel drive)	AR27.55-P-0600OLI
		Transmission 725.0 in model 205 with engine 651 except code M005 (Vehicles with 4MATIC/all-wheel drive) Transmission 725.0 in model 205, 253 with engine 274 except code M005 (Vehicles with 4MATIC/all-wheel drive)	AR27.55-P-0600MRE
12	Remove automatic transmission oil cooler.	Transmission 725.0 in model 205, 253 with engine 264 except code M005 (Vehicles with 4MATIC/all-wheel drive)
			AR27.55-P-1000OLI
13	Remove cover (5).
14	Remove torque converter (10) from drive plate (13).		AR27.20-P-0001-01EWM
		Do not use an impact wrench or compressed air tools to screw out and screw in. Otherwise, the threaded unions (14) in the drive plate (13) will be damaged.
		Counterholder	Fig 2
		Socket wrench bit	Fig 3
		Long wedge	Fig 1
15	Unfasten starter wiring harness from transmission (1).	Transmission 725.0 in model 205, 253 with engine 264 except code M005 (Vehicles with 4MATIC/all-wheel drive)
16.1	Detach starter from transmission (1) and place to one side and fasten with lines connected.	Transmission 725.0 in model 205 with engine 651 except code M005 (Vehicles with 4MATIC/all-wheel drive) Transmission 725.0 in model 205, 253 with engine 264 except code B01 (48V technology) except code M005 (Vehicles with 4MATIC/all-wheel drive) Transmission 725.0 in model 205, 253 with engine 274 except code M005 (Vehicles with 4MATIC/all-wheel drive)
		Transmission 725.0 in model 205, 253 with engine 264 except code B01 (48V technology) except code M005 (Vehicles with 4MATIC/all-wheel drive)	AR15.30-P-7100MRI
		Transmission 725.0 in model 205, 253 with engine 274 except code M005 (Vehicles with 4MATIC/all-wheel drive)	AR15.30-P-7100LWA
		Transmission 725.0 in model 205 with engine 651 except code M005 (Vehicles with 4MATIC/all-wheel drive)	AR15.30-P-7100LWB
16.2	Remove the starter opening cover on the crankcase.	Transmission 725.0 in model 205, 253 with engine 264 with code B01 (48V technology) except code M005 (Vehicles with 4MATIC/all-wheel drive)
17	Support transmission (1) with major-assembly support and mounting plate and strap down securely.
	000 588 11 62 00 Major assembly mount		WS01.00-P-0092B
	000 588 10 62 00 Support plate		WS26.00-P-3309B
18	Remove rear engine crossmember (4) at underbody.		AR22.10-P-4360LWB
		Never use an impact wrench/driver or compressed air tool for screwing the screws in and out. Otherwise, the threads will be damaged.
19	Remove propeller shaft from output flange.	Transmission 725.0 in model 253 (except 253.992/993) with engine 264 except code M005 (Vehicles with 4MATIC/all-wheel drive) Transmission 725.0 in model 253 (except 253.992/993) with engine 274 except code M005 (Vehicles with 4MATIC/all-wheel drive)	AR41.10-P-0050LWX
		Transmission 725.0 in model 205 with engine 264 except code M005 (Vehicles with 4MATIC/all-wheel drive) Transmission 725.0 in model 205 with engine 274 except code M005 (Vehicles with 4MATIC/all-wheel drive) Transmission 725.0 in model 205 with engine 651 except code M005 (Vehicles with 4MATIC/all-wheel drive)	AR41.10-P-0050LW
20	Remove screws (19).
21	Remove transmission (1) with torque converter (10).	Secure the torque converter (10) to prevent it from dropping down. Otherwise damage will occur.
22	Remove torque converter (10).	If necessary.	AR27.20-P-0050EWM
23	Remove corrosion from crankshaft.		AR03.20-P-1000-01A
		Multi-purpose paste	*BR00.45-Z-1009-06A
		Assembly cleaner	*BR00.45-Z-1028-04A
24	Check threaded unions (14) in drive plate (13).	If the threaded unions (14) are damaged or if they are loose, ↓ Install a new clutch plate (13).
		Transmission 725.0 in model 205, 253 with engine 264 except code M005 (Vehicles with 4MATIC/all-wheel drive)	AR03.30-P-8003MRI
		Transmission 725.0 in model 205, 253 with engine 274 except code M005 (Vehicles with 4MATIC/all-wheel drive)	AR03.30-P-8001MRA
		Transmission 725.0 in model 205 with engine 651 except code M005 (Vehicles with 4MATIC/all-wheel drive)	AR03.30-P-8001OLD
	Install
25	Insert torque converter (10).	After removing the torque converter (10).	AR27.20-P-0050EWM
26	Install transmission (1) with torque converter (10).	Secure torque converter (10) against falling out. Otherwise damage will occur. While doing so, align the bores of the torque converter (10) with the threaded unions (14) in the drive plate (13).
27	Screw in screws (19).	Screw/bolt, transmission to engine	*BA27.10-P-1001-04H
28	Mount propeller shaft onto output flange.	Transmission 725.0 in model 253 (except 253.992/993) with engine 264 except code M005 (Vehicles with 4MATIC/all-wheel drive) Transmission 725.0 in model 253 (except 253.992/993) with engine 274 except code M005 (Vehicles with 4MATIC/all-wheel drive)	AR41.10-P-0050LWX
		Transmission 725.0 in model 205 with engine 264 except code M005 (Vehicles with 4MATIC/all-wheel drive) Transmission 725.0 in model 205 with engine 274 except code M005 (Vehicles with 4MATIC/all-wheel drive) Transmission 725.0 in model 205 with engine 651 except code M005 (Vehicles with 4MATIC/all-wheel drive)	AR41.10-P-0050LW
29	Mount rear engine crossmember (4) onto underbody.	Transmission 725.0 in model 205 with engine 651 except code M005 (Vehicles with 4MATIC/all-wheel drive) Transmission 725.0 in model 205, 253 with engine 264 except code M005 (Vehicles with 4MATIC/all-wheel drive) Transmission 725.0 in model 205, 253 with engine 274 except code M005 (Vehicles with 4MATIC/all-wheel drive) Never use an impact wrench/driver or compressed air tool for screwing the screws in and out. Otherwise, the threads will be damaged.	AR22.10-P-4360LWB
30	Unfasten strappings from transmission (1) and lower major assembly support and mounting plate.
	000 588 10 62 00 Support plate		WS26.00-P-3309B
	000 588 11 62 00 Major assembly mount		WS01.00-P-0092B
31.1	Release mounting of starter and mount starter onto transmission (1).	Transmission 725.0 in model 205 with engine 651 except code M005 (Vehicles with 4MATIC/all-wheel drive) Transmission 725.0 in model 205, 253 with engine 264 except code B01 (48V technology) except code M005 (Vehicles with 4MATIC/all-wheel drive) Transmission 725.0 in model 205, 253 with engine 274 except code M005 (Vehicles with 4MATIC/all-wheel drive)
		Transmission 725.0 in model 205, 253 with engine 264 except code B01 (48V technology) except code M005 (Vehicles with 4MATIC/all-wheel drive)	AR15.30-P-7100MRI
		Transmission 725.0 in model 205, 253 with engine 274 except code M005 (Vehicles with 4MATIC/all-wheel drive)	AR15.30-P-7100LWA
		Transmission 725.0 in model 205 with engine 651 except code M005 (Vehicles with 4MATIC/all-wheel drive)	AR15.30-P-7100LWB
31.2	Attach starter opening cover to crankcase.	Transmission 725.0 in model 205, 253 with engine 264 with code B01 (48V technology) except code M005 (Vehicles with 4MATIC/all-wheel drive)
		Transmission 725.0 in model 205 with engine 264 with code B01 (48V technology) except code M005 (Vehicles with 4MATIC/all-wheel drive) Bolt, starter/cover for starter opening to crankcase	*BA15.30-P-1001-01U
32	Fasten starter wiring harness onto transmission (1).	Transmission 725.0 in model 205, 253 with engine 264 with code B01 (48V technology) except code M005 (Vehicles with 4MATIC/all-wheel drive)
33	Mount torque converter (10) onto drive plate (13).		AR27.20-P-0001-01EWM
		Never use an impact wrench or compressed air tools for screwing in or unscrewing the screws/bolts. Otherwise, the threaded unions (14) in the drive plate (13) will be damaged.
		Screw, torque converter/rotor to drive plate/star-shaped drive plate	*BA27.20-P-1001-01D
		Socket wrench bit	Fig 3
34	Install cover (5).
35	Install automatic transmission oil cooler.	Transmission 725.0 in model 205, 253 with engine 264 except code M005 (Vehicles with 4MATIC/all-wheel drive)
			AR27.55-P-1000OLI
36	Attach oil lines to transmission (1) and oil pan.	Transmission 725.0 in model 205, 253 with engine 264 except code M005 (Vehicles with 4MATIC/all-wheel drive)	AR27.55-P-0600OLI
		Transmission 725.0 in model 205 with engine 651 except code M005 (Vehicles with 4MATIC/all-wheel drive) Transmission 725.0 in model 205, 253 with engine 274 except code M005 (Vehicles with 4MATIC/all-wheel drive)	AR27.55-P-0600MRE
37	Mount electrical wiring harness onto transmission (1).
38	Assemble and lock electrical connector at electric controller unit.
39	Install heat shield (3) onto transmission (1).		AR27.40-P-0700-01LF
40	Attach ground line (2) to transmission (1).	Bolt, ground line to transmission housing	*BA27.10-P-1024-04H
41	Install diesel particulate filter holder.	Transmission 725.0 in model 205 with engine 651 except code M005 (Vehicles with 4MATIC/all-wheel drive)
		Screw/bolt, catalytic converter/diesel particulate filter bracket to bell housing/engine	*BA49.10-P-1014-02A
42	Connect ground line to battery.		AR54.10-P-0003LW
43	Check and correct transmission oil level.	Transmission 725.017 in model 205 with engine 274 except code M005 (Vehicles with 4MATIC/all-wheel drive)	AR27.00-P-0270EWH
		Transmission 725.0 (except 725.007/017/037/047) in model 205 with engine 651 except code M005 (Vehicles with 4MATIC/all-wheel drive) Transmission 725.0 (except 725.007/017/037/047) in model 205, 253 with engine 264 except code M005 (Vehicles with 4MATIC/all-wheel drive) Transmission 725.0 (except 725.007/017/037/047) in model 205, 253 with engine 274 except code M005 (Vehicles with 4MATIC/all-wheel drive)	AR27.00-P-0270EWN
44	Read out and delete fault memory.
			AD00.00-P-2000-04B
45	Perform transmission adaptation with vehicle diagnosis system.	After replacement or repair of transmission (1).
			AD00.00-P-2000-04B
46	Reset data on service life of torque converter lockup clutch with the vehicle diagnosis system.	After replacement or repair of torque converter (10).
			AD00.00-P-2000-04B
	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
47	Perform engine test run and check transmission (1) for leak tightness and proper operation.
48	Install center and rear sections of lower engine compartment lining.		AR61.20-P-1105LW
49	Disconnect vehicle from vehicle lift.		AR00.60-P-0100CW

STARTER

Number	Designation		Engine 264
BA15.30-P-1001-01U	Bolt, starter/cover for starter opening to crankcase	Nm	39

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

TORQUE CONVERTER

Number	Designation			Transmission 725.0/1
BA27.20-P-1001-01D	Screw, torque converter/Angled threaded rotor to drive plate/star-connection shaped drive plate	Stage 1	Nm	3
		Stage 2	Nm	30
		Stage 3	∠°	90

EXHAUST SYSTEM

Number	Designation			Engine 651 in model 205
BA49.10-P-1014-02A	Screw/bolt, catalytic converter/diesel particulate filter bracket to bell housing/engine	M8	Nm	20
BA49.10-P-1014-02A		M10	Nm	-

Fig 1: Identifying Long Wedge (115 589 03 59 00)

Courtesy of MERCEDES-BENZ USA

Fig 2: Identifying Counterholder (654 589 00 40 00)

Courtesy of MERCEDES-BENZ USA

Fig 3: Identifying Socket Wrench Bit (001 589 65 09 00)

Courtesy 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