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Remove/install front engine mount and/or engine support - AR22.10-P-1260OMD

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ENGINE 651 in MODEL 204.9 

ENGINE 651 in MODEL 212 with TRANSMISSION 722.96 

Shown on model 204.0 

Fig 1: Front Engine Mount And Support Remove/Install Components - Shown On Model 204.0 (1 Of 3)
G09975443Courtesy of MERCEDES-BENZ USA
Fig 2: Front Engine Mount And Support Remove/Install Components - Shown On Model 204.0 (2 Of 3)
G09975444Courtesy of MERCEDES-BENZ USA
Fig 3: Front Engine Mount And Support Remove/Install Components - Shown On Model 204.0 (3 Of 3)
G09975445Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
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
DANGER Risk of injury  caused by fingers being jammed or pinched when removing, installing or aligning hoods, doors, trunk lid/rear-end door or sliding roof. No parts of the body or limbs should be within the operating area when the components are moving. AS00.00-Z-0011-01A
1 Secure vehicle on the lifting platform MODEL 204.9 AR00.60-P-0100CW
MODEL 212 AR00.60-P-0100EWS
2 Remove cylinder head cover trim Model 204.9, 212 with engine 651  
ENGINE 651 in MODEL 204.9 AR01.20-P-5014-02CD
3 Put on engine carrier arm ENGINE 651 in MODEL 204.9 AR33.10-P-0105CW
ENGINE 651 in MODEL 212 with TRANSMISSION 722.96
IMPORTANT Raise engine until the engine mounts (21) no longer bear the weight of the engine.
AR33.10-P-0105EW
SPECIAL TOOL Engine lifting device Figure
4 Remove lower engine compartment paneling ENGINE 651 in MODEL 204.9 AR61.20-P-1105CY
ENGINE 651 in MODEL 212 with TRANSMISSION 722.96 AR94.30-P-5300EW
5 Remove front axle shafts ENGINE 651 in MODEL 204.98/99
ENGINE 651 in MODEL 212 with TRANSMISSION 722.96
with CODE M005 (4MATIC)
 
AR33.30-P-0620CWX
6.1 Remove catalytic converter ENGINE 651 in MODEL 204.9
When removing engine mount (21) on the right.
 
AR49.10-P-5500OMD
6.2 Remove catalytic converter diesel particulate filter unit ENGINE 651 in MODEL 212 with TRANSMISSION 722.96
When removing engine mount (21) on the right.
 
AR49.10-P-5501CD
6.3 Remove mixing chamber When removing engine support on the right  
AR09.20-P-1320CD
7 Remove alternator (G2) When removing engine support on the right  
  AR15.40-P-5032CD
IMPORTANT Only place down alternator to the front.  
8.1 Remove screw/bolts (11) and take out shield (12) When removing engine support on the right  
TORQUE SPECIFICATION Bolt, heat shield to engine support *BA22.10-P-1003-02A 
8.2 Remove screw/bolts (3), lay bracket (4) with cable to one side and remove bracket (4) When removing engine support on the right  
TORQUE SPECIFICATION Bolt, bracket for electric switchover valves to fastening plate *BA09.41-P-1006-01N 
9.1 Remove screw/bolts (13) and remove bracket (14) When removing engine support on the right  
TORQUE SPECIFICATION Bolt, turbocharger bracket to turbocharger bypass flap *BA09.40-P-1007-01P 
TORQUE SPECIFICATION Bolt, turbocharger bracket to engine support/major assembly carrier *BA09.40-P-1008-01P 
TORQUE SPECIFICATION Bolt, alternator to major assembly carrier *BA15.40-P-1004-01Q 
9.2 Remove screw/bolts (5) and mounting plate (6) When removing engine support on the right  
TORQUE SPECIFICATION Charge air manifold fastening plate bolt on engine support *BA09.41-P-1005-01N 
10 Detach electrical connector from refrigerant compressor (A9) When removing engine support on the right  
11.1 Remove screw/bolts for A/C compressor (3 pieces) and set A/C compressor aside When removing engine support on the right  
  AR83.55-P-5300CD
IMPORTANT Lay A/C compressor with attached lines to the side below and attach in the engine compartment.  
TORQUE SPECIFICATION Screw/bolt, refrigerant compressor to major assembly carrier *BA83.55-P-1001-01W 
TORQUE SPECIFICATION Screw/bolt, refrigerant compressor to engine support *BA83.55-P-1002-01W 
11.2 Remove screw/bolts (15, 16) and bracket (17) When removing engine support on the right  
TORQUE SPECIFICATION Bolt, rear/center turbocharger bracket to turbocharger *BA09.40-P-1002-01P 
TORQUE SPECIFICATION Bolt, rear/center turbocharger bracket to cylinder crankcase *BA09.40-P-1003-01P 
12.1 Disconnect electrical connectors for engine mount at the front left in the wheel well When removing engine mount (21) on the left.  
12.2 Disconnect electrical connectors for engine mount at the front right in the wheel well When removing engine mount (21) on the right.  
13 Remove screw/bolts (7, 18) TORQUE SPECIFICATION
ENGINE 651 in MODEL 204.9, 212 with TRANSMISSION 722.96
*BA22.10-P-1001-03E 
SPECIAL TOOL Engine mount wrench set Figure
14 Remove screw/bolts (22, 23) from engine mount (21). TORQUE SPECIFICATION
ENGINE 651 in MODEL 204.9, 212 with TRANSMISSION 722.96
*BA22.10-P-1002-03E 
15 Raise engine with engine support bracket IMPORTANT Only raise engine (21) until the engine support is free.  
SPECIAL TOOL Engine lifting device Figure
16 Remove left and right engine mount (21) INSTALLATION IMPORTANT In the case damage, always replace engine mount (21) in pairs.  
TORQUE SPECIFICATION
ENGINE 651 in MODEL 204.9, 212 with TRANSMISSION 722.96
*BA22.10-P-1002-03E 
TORQUE SPECIFICATION
ENGINE 651 in MODEL 204.9, 212 with TRANSMISSION 722.96
*BA22.10-P-1001-03E 
SPECIAL TOOL Engine mount wrench set Figure
17.1 Remove screw/bolts (8) on left engine support (9) and remove left engine support (9) When removing engine support on the right  
TORQUE SPECIFICATION Bolt, engine support to crankcase *BA22.10-P-1001-02A 
17.2 Remove screw/bolts (19) on the right engine support (20) and remove right engine support (20) When removing engine support on the right  
TORQUE SPECIFICATION Bolt, engine support to crankcase *BA22.10-P-1001-02A 
18 Install in the reverse order    
TURBOCHARGER

Number Designation MOTOR 651
BA09.40-P-1002-01P Bolt, rear/center turbocharger bracket to turbocharger Nm 20
TURBOCHARGER

Number Designation MOTOR 651
BA09.40-P-1003-01P Bolt, rear/center turbocharger bracket to cylinder crankcase Nm 20
TURBOCHARGER

Number Designation MOTOR 651
BA09.40-P-1007-01P Bolt, turbocharger bracket to turbocharger bypass flap M6 Nm 9
TURBOCHARGER

Number Designation MOTOR 651
BA09.40-P-1008-01P Bolt, turbocharger bracket to engine support/major assembly carrier M8 Nm 20
CHARGE AIR PIPE/CHARGE AIR COOLING

Number Designation ENGINE 651
BA09.41-P-1005-01N Charge air manifold fastening plate bolt on engine support Nm 20
CHARGE AIR PIPE/CHARGE AIR COOLING

Number Designation ENGINE 651
BA09.41-P-1006-01N Bolt, bracket for electric switchover valves to fastening plate Nm 9
ALTERNATOR

Number Designation ENGINE 651
BA15.40-P-1004-01Q Bolt, alternator to major assembly carrier Nm 20
ENGINE SUPPORT (ENGINE SIDE)

Number Designation ENGINE 651
BA22.10-P-1001-02A Bolt, engine support to crankcase Stage 1 Nm 20
Stage 2 ∠° 90
ENGINE MOUNT, ENGINE SUPPORT (ENGINE SIDE)

Number Designation MODEL 204 MODEL 212
BA22.10-P-1001-03E Bolt, front engine mount to engine support M10 Nm 50 50
M12 Stage 1 Nm - 85
Stage 2 ∠° - 90
ENGINE MOUNT, ENGINE SUPPORT (ENGINE SIDE)

Number Designation MODEL 204 MODEL 212
BA22.10-P-1002-03E Bolt, front engine mount to front axle carrier M8 Nm 28 28
ENGINE SUPPORT (ENGINE SIDE)

Number Designation ENGINE 651
BA22.10-P-1003-02A Bolt, heat shield to engine support Nm 9
REFRIGERANT COMPRESSOR

Number Designation ENGINE 651 in MODEL 117, 156, 166, 172, 176, 205, 212, 218, 221, 222, 246 ENGINE 651 in MODEL 204, 207 with Denso refrigerant compressor
BA83.55-P-1001-01W Bolt, refrigerant compressor to major assembly carrier Nm 20 20
REFRIGERANT COMPRESSOR

Number Designation ENGINE 651 in MODEL 204, 207 with Valeo refrigerant compressor
BA83.55-P-1001-01W Bolt, refrigerant compressor to major assembly carrier Nm 20
REFRIGERANT COMPRESSOR

Number Designation ENGINE 651 in MODEL 117, 156, 166, 172, 176, 205, 212, 218, 221, 222, 246 ENGINE 651 in MODEL 204, 207 with Denso refrigerant compressor
BA83.55-P-1002-01W Bolt, refrigerant compressor to engine support Nm 20 20
REFRIGERANT COMPRESSOR

Number Designation ENGINE 651 in MODEL 204, 207 with Valeo refrigerant compressor
BA83.55-P-1002-01W Bolt, refrigerant compressor to engine support Nm 20
Fig 4: Identifying Engine Lifting Device (240 589 00 61 00)
G09975446Courtesy of MERCEDES-BENZ USA
Fig 5: Identifying Engine Mount Wrench Set (001 589 01 16 00)
G09975447Courtesy of MERCEDES-BENZ USA