(Remove/Install Transfer Case - AR28.10-P-0100MSC)

Model 167 with engine 176 with transmission 725.0 

Model 167 with engine 177 with transmission 725.0 

Model 167 with engine 256.9 with transmission 725.0 

Model 167 with engine 274 with transmission 725.0 

Shown in model 167 with code 430 (Offroad package) 

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  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
	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Notes on threaded connections fastened using a tightening angle-based tightening process		AH00.00-P-0020-01A
	Notes on self-locking nuts and bolts		AH00.00-N-0001-01A
	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	Shift the transmission (5) into neutral position.
2	Release parking brake.
3	Remove ground line of battery.		AR54.10-P-0003ME
4	Remove engine air intake duct upstream of air filter.
5	Secure vehicle on vehicle lift.		AR00.60-P-1006A
		Only release vehicle after leak test.
6	Remove cover under transfer case (1).	If installed.	AR61.30-P-1001ME
		Install cover under transfer case (1) only after leak test.
7	Remove center and rear lower engine compartment lining.		AR61.20-P-1105ME
		Only install center and rear lower rear engine compartment paneling again after leak test.
8.1	Remove exhaust system from front holder and from gasoline particulate filter.	Transmission 725.0 in model 167 with engine 256.9	AR49.10-P-7142MSC
8.2	Remove exhaust system from catalytic converter.	Transmission 725.0 in model 167 with engine 176, 177 Transmission 725.0 in model 167 with engine 274
		Transmission 725.0 in model 167 with engine 274	AR49.10-P-7283MRM
		Transmission 725.0 in model 167 with engine 176, 177	AR49.10-P-7283MNO
9	Remove the rear engine support.	Model 167 with engine 177 with transmission 725.0	AR22.10-P-4360MNP
		Transmission 725.0 in model 167 with engine 176	AR22.10-P-4360MNO
		Transmission 725.0 in model 167 with engine 256.9	AR22.10-P-4360MSC
		Transmission 725.0 in model 167 with engine 274	AR22.10-P-4360MRK
10	Remove propeller shaft of front axle differential from transfer case (1) and secure against falling down.		AR41.10-P-0070MSC
11	Remove rear propeller shaft from transfer case (1) and secure against falling down.		AR41.10-P-0050MSC
12	Remove shield plate from transfer case (1).	Transmission 725.0 in model 167 with engine 176 with code 430 (Offroad package) Transmission 725.0 in model 167 with engine 177 with code 430 (Offroad package) Transmission 725.0 in model 167 with engine 256.9 with code 430 (Offroad package)
		Screw, shield to off-road bracket	*BA28.10-P-1008-01I
13	Release and disconnect electrical connector from transfer case control unit (N15/7) and remove electric line from transfer case (1).	Transmission 725.0 in model 167 with engine 176, 177	AR28.19-P-1003MNO
		Transmission 725.0 in model 167 with engine 256.9 Transmission 725.0 in model 167 with engine 274	AR28.19-P-1003MSC
14	Release and disconnect electrical connector from transfer case absolute sensor (B57) and remove electric line from transfer case (1).	Transmission 725.0 in model 167 with engine 176 with code 430 (Offroad package)	AR28.19-P-1009MNO
		Transmission 725.0 in model 167 with engine 256.9 with code 430 (Offroad package)	AR28.19-P-1009MSC
15	Lower transmission (5) until all screws (2) on the transfer case (1) are accessible.
	000 588 10 62 00 Support plate		WS26.00-P-3309B
	000 588 11 62 00 Major assembly mount		WS01.00-P-0092B
16	Remove bleed line (3) from transfer case (1).	Transmission 725.0 in model 167 with engine 176 with code 430 (Offroad package) Transmission 725.0 in model 167 with engine 177 with code 430 (Offroad package) Transmission 725.0 in model 167 with engine 256.9 with code 430 (Offroad package)
17	Support transfer case (1).
	000 588 10 62 00 Support plate		WS26.00-P-3309B
	000 588 11 62 00 Major assembly mount		WS01.00-P-0092B
18	Remove screws (2) and remove transfer case (1).	Aid of helper required.
		Screw/bolt, transfer case to automatic transmission	*BA28.10-P-1002-01I
19	Remove transfer case control unit (N15/7).	When replacing transfer case (1). Transmission 725.0 in model 167 with engine 256.9 with code 430 (Offroad package)	AR28.19-P-1003MSC
		Transmission 725.0 in model 167 with engine 176, 177 with code 430 (Offroad package)	AR28.19-P-1003MNO
20	Remove transfer case absolute sensor (B57).	When replacing transfer case (1). Transmission 725.0 in model 167 with engine 256.9 with code 430 (Offroad package)	AR28.19-P-1009MSC
		Transmission 725.0 in model 167 with engine 176 with code 430 (Offroad package)	AR28.19-P-1009MNO
21	Check intermediate panel (4) for damage.	If the intermediate panel (4) is damaged, ↓ replace intermediate panel (4).
22	Install in the reverse order.
23	Check and correct oil level of transfer case (1).		AR28.10-P-0100-03MSC
		Assembly cleaner	*BR00.45-Z-1028-04A
		Transfer case oil	*BF28.10-P-1001-01F
		Drain screw to transfer case	*BA28.10-P-1005-01I
		Filling screw to transfer case	*BA28.10-P-1001-01I
		Hand pump	Fig 1
	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
24	Perform engine test run and check transfer case (1) for proper operation and leak tightness.
25	Install center and rear lower engine compartment lining.		AR61.20-P-1105ME
26	Install cover under transfer case (1).	If installed.	AR61.30-P-1001ME
27	Disconnect vehicle from vehicle lift.		AR00.60-P-1006A

Fig 1: Identifying Hand Pump (210 589 00 71 00)

Courtesy of MERCEDES-BENZ USA