Remove/Install Front Engine Mount - AR22.10-P-4330GQC

Engine 276.8 in model 166, 251, 292 

Illustrated on model 166.0 

Fig 1: Front Engine Mount Components Location - Engine 276.8 In Model 166 (Illustrated On Model 166.0)

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 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
	Notes on bolted connections with self tapping screws		AH00.00-P-0007-01SF
	General information on handling vehicles with high-voltage on-board electrical system and/or lithium-ion battery and/or gaseous-fuel drive system		AH00.00-Z-0300-01A
	Notes on battery		AH54.10-P-0001-01A
	Remove/install
1	Perform enable for the high voltage on-board electrical system	Engine 276.8 in model 166.063 When removing left engine mount (8).
			AR54.10-P-1150GQA
2	Detach ground line from battery	When removing right-hand engine mount (2).
		Engine 276.8 in model 251	AR54.10-P-0003RT
		Engine 276.8 in model 166, 292	AR54.10-P-0003GZ
3	Remove left and right air filter housing		AR09.10-P-1150GQC
4	Remove windshield wiper system	Engine 276.8 in model 251	AR82.30-P-6400RT
5	Remove left, right and center section of the partition wall
6	Remove left and right catalytic converter		AR49.10-P-5500GQC
7	Secure vehicle on vehicle lift	Engine 276.8 in model 166, 292	AR00.60-P-0100GZ
		Engine 276.8 in model 251	AR00.60-P-0100RT
8	Mount engine hoist and raise engine slightly	Engine 276.8 in model 166, 292	AR33.10-P-0105EW
		Engine 276.8 in model 251	AR33.10-P-0100-01RT
		Only raise engine until the right engine mount (2) and the left engine mount (8) are no under tension.
		Engine 276.8 in model 251 Bolt, partition wall reinforcement between wheel well liners to fender	*BA62.30-P-1008-01E
		Engine lifting device	Fig 3
		Adaptation of engine lifting device	Fig 2
9	Remove heat shield (7)	When removing left engine mount (8).
		Bolt, heat shield to engine support	*BA22.10-P-1003-02A
10	Remove heat shield (4)	When removing right-hand engine mount (2).
		Bolt, heat shield to engine support	*BA22.10-P-1003-02A
11	Remove heat shield (1)	When removing right-hand engine mount (2).
		Bolt/nut for shield attachment	*BA09.40-P-1011-01W
12	Remove screws (5) from left engine mount (8)	When removing left engine mount (8).
		Engine 276.8 in model 251 Bolt, front engine mount to front axle carrier	*BA22.10-P-1001-03F
		Engine 276.8 in model 166, 292Screw/bolt, front engine mount to front axle carrier	*BA22.10-P-1001-03G
13	Remove screws (5) from right engine mount (2)	When removing right-hand engine mount (2).
		Engine 276.8 in model 251 Bolt, front engine mount to front axle carrier	*BA22.10-P-1001-03F
		Engine 276.8 in model 166, 292Screw/bolt, front engine mount to front axle carrier	*BA22.10-P-1001-03G
14	Remove screws (6) from left engine mount (8)	When removing left engine mount (8).
		Engine 276.8 in model 251 Bolt, front engine mount to engine support	*BA22.10-P-1002-03F
		Engine 276.8 in model 166, 292Bolt, front engine mount to engine support	*BA22.10-P-1002-03G
15	Remove screw/bolts (6) at right engine mount (2)	When removing right-hand engine mount (2).
		Engine 276.8 in model 251 Bolt, front engine mount to engine support	*BA22.10-P-1002-03F
		Engine 276.8 in model 166, 292Bolt, front engine mount to engine support	*BA22.10-P-1002-03G
16	Lift engine	Pay attention when lifting out engine that no cables and lines are damaged and that engine does not lean against the body.
17	Remove left engine mount (8) toward the rear	When removing left engine mount (8). Always replace left engine mount (8) and right engine mount (2) as a pair. Ensure that the correct installation position is obtained when assembling the left engine mount (8). Observe environmental protection regulations for removal of the left engine mount (8). Dispose left engine mounts (8) into mixed scrap.
18	Remove right engine mount (2) to the rear	When removing right-hand engine mount (2). Always replace left engine mount (8) and right engine mount (2) as a pair. Ensure that the correct installation position is obtained when assembling the left engine mount (2). Observe environmental protection regulations for removal of the right engine mount (2). Dispose right engine mounts (2) into mixed scrap.
19	Install in the reverse order

Fig 2: Identifying Adaptation Of Engine Lifting Device (642 589 00 61 00)

Courtesy of MERCEDES-BENZ USA

Fig 3: Identifying Engine Lifting Device (240 589 00 61 00)

Courtesy of MERCEDES-BENZ USA