Remove/Install Dual-Clutch Transmission - AR27.10-P-0009MNB

Transmission 700.40 In Model 190

Courtesy of MERCEDES-BENZ USA

Courtesy of MERCEDES-BENZ USA

Courtesy of MERCEDES-BENZ USA

Courtesy of MERCEDES-BENZ USA

	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
	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.	AS00.00-Z-0017-01A
		Deburr repair panels.
Notice	Notes on threaded connections fastened using a tightening angle-based tightening process		AH00.00-P-0020-01A
Notice	Notes on self-locking nuts and bolts		AH00.00-P-0001-01KOA
Notice	Notes on threaded connections with aluminum screws/bolts		AH00.00-P-0006-01RM
Notice	General information on repair work on transmission		AH27.00-S-1000-01PS
	Notes on repair work on suspension components		AH00.00-P-0100-01A
	Remove/install
1	Remove ground line from battery.		AR54.10-P-0003RG
2	Secure vehicle on vehicle lift.		AR00.60-P-0100RG
3	Remove rear wheel and tire assemblies.		AR40.10-P-1100RQ
4	Remove exhaust system.		AR49.10-P-7142MNC
		Transmission 700.40 in model 190.379/380/477/478/479/480
		Transmission 700.40 in model 190.377/378/381	AR49.10-P-7142MNB
		Only install rear lower engine compartment paneling after leak test.
5	Remove reinforcement behind transmission (27).	Bolt, rear reinforcement to frame floor assembly	*BA61.10-P-1002-01I
6	Disconnect oil lines (22R) from connecting point and seal with suitable stop plugs.		AR27.55-P-0613MNB
		Replace the sealing rings of the oil lines (22R).
		Record plug	Fig 1
7	Remove both rear axle shafts (2) from transmission (27).		AR35.30-P-0620RQ
		Remove rear axle shafts (2) from transmission (27) only and place to one side. The rear axle shafts (2) remain in the vehicle. No wheel alignment measurement necessary.
8	Remove oil lines (27H) from transmission (27), seal with suitable stop plugs, and secure at side.		AR27.55-P-0612MNB
		Replace the sealing rings of the oil lines (27H).
		Record plug	Fig 1
9	Remove plug (19) from drive shaft with housing (41).
10	Remove rear heat shield from drive shaft with housing (41).	Bolt, heat shield to drive shaft housing	*BA41.50-P-1006-01B
11	Support and strap down transmission (27) with major assembly support and mounting plate.
	000 588 24 62 00 Major assembly mount		WS01.00-P-0253B
	000 588 23 62 00 Mounting plate		WS26.00-P-0415B
		Ensure even alignment of support plates.
12	Secure drive shaft with housing (41) against falling down.	By tightening a tensioning strap between the right and left cross-strut on the underfloor.
13	Remove transmission mounts (9) with transmission mount consoles (10).		AR27.10-P-1000MNB
14	Lower transmission (27) until all screws of drive shaft with housing (41) are accessible.
15	Release and disconnect electrical connectors (5, 6, 7) from transmission (27).
16	Remove wiring harness of electrical connectors (5, 6, 7) from transmission (27) and put down outside of working area.	Ensure that wiring harness is routed properly.
17	Remove ground line (4) from transmission (27).
18	Release and disconnect electrical connector from oil temperature switch (3).
19	Unscrew screws of drive shaft with housing (41) and remove drive shaft with housing (41) from transmission (27).	The bolts (61) and clamp screw (62) on the compensation ring (41S) may not be released. Otherwise, the compensation ring (41S) will be damaged.
		Grease teeth of compensation ring (41S).
		Replace bolts of drive shaft with housing (41).
		Swivel transmission (27) to and fro slightly when mounting until it moves correctly into teething of compensation ring (41S) and rear transmission bushing (41H).
		Bolt, drive shaft housing to transmission	*BA41.50-P-1003-01B
		Long-life grease	*BR00.45-Z-1001-06A
		If clamp screw (62) at compensation ring (41S) is released anyway, ↓ tension compensating ring (41S) again.
			AR41.10-P-0003-01MNB
		Assembly cleaner	*BR00.45-Z-1028-04A
		Bolt, compensating ring to drive shaft at rear	*BA41.50-P-1005-01B
		Assembly drift	Fig 3
		If screw (61) at compensation ring (41S) is released anyway, ↓ replace compensating ring (41S).
			AR41.10-P-0003-01MNB
		Assembly cleaner	*BR00.45-Z-1028-04A
		Bolt, compensating ring to drive shaft at rear	*BA41.50-P-1005-01B
		Assembly drift	Fig 3
20	Take transmission (27) out downward.
	Check
21	Check radial shaft sealing ring (11) of transmission input shaft (12) for damage and replace, if necessary.	Remove radial shaft sealing ring (11) of transmission input shaft (12) using a suitable tool. Otherwise, the sealing surfaces of the transmission input shaft (12) will be damaged during removal.
		Mount radial shaft sealing ring (11) using drift and check for correct seating. Otherwise there will be leaks which can cause transmission and environmental damage.
		Drift	Fig 2
22	Check transmission housing at front for damage.	If damage is identifiable, ↓ replace transmission housing.
			AR27.40-P-0510RQ
		If damage is identifiable, ↓ check compensation ring (41S) for firm seating.
23	Check radial shaft sealing ring (13) on rear axle shaft flange (14) for damage.	If damage is identifiable, ↓ replace radial shaft sealing ring (13) on rear axle shaft flange (14).
			AR27.40-P-0210RQ
24	Check transmission mounts (9) for damage and replace if necessary.		AR27.10-P-1000MNB
25	If necessary, remove transmission (27) from major assembly support using lifting device (16) and boom crane.	Lifting device	Fig 4
26	Remove transmission carrier (8) from transmission (27).	When replacing the transmission (27).
			AR27.10-P-1000MNB
27	Install in the reverse order
28	Check oil level in transmission (27) and correct if necessary.
			AP27.00-P-2706RQ
29	Commission following repair of transmission (27).	After repairing the transmission (27) or the hydraulic unit shift mechanism or the hydraulic unit coupling.
			AR27.10-P-0008RQ
30	Perform transmission adaptation with vehicle diagnosis system.	Only after replacing the transmission (27) or the hydraulic unit shift mechanism or the hydraulic unit coupling.
			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
31	Perform engine test run and check transmission (27) for proper operation and leak tightness.
32	Install rear lower engine compartment paneling.		AR61.30-P-1001RG