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Home >> Mercedes Benz >> 2018 >> S450 Base >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Suspension - 222 Chassis >> Testing & Repair >> (Remove/Install Front Engine Mount And/Or Engine Support - AR22.10-P-1260LFH)

(Remove/Install Front Engine Mount And/Or Engine Support - AR22.10-P-1260LFH)

Model 222 with engine 276.9 

MODIFICATION NOTES

22.06.2017 Bolt, front engine mount to engine support Model 222 except code Z07 (Highest protection) BA22.10-P-1001-03K
22.06.2017 Bolt, front engine mount to engine support MODEL 222 with CODE Z07 (Highest protection) BA22.10-P-1001-03K
G15399671Courtesy 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
WARNING 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
DANGER 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
Topical note  Notes on bolted connections with self tapping screws   AH00.00-P-0007-01SF
Topical note  General information on vehicles with high-voltage on-board electrical system and/or lithium-ion battery and/or gaseous-fuel drive system as well as personal protective equipment   AH00.00-Z-0300-01A
1 Perform enable for the high voltage on-board electrical system   AR54.10-P-1150LF
2 Remove front engine cover    
3 Detach ground line from battery   AR54.10-P-0003LF
  Only perform operation steps 4 to 16 to remove the right engine carrier (6) and the right engine mount (8)     
4 Remove air filter housing with engine air intake duct upstream of air filter TORQUE SPECIFICATION Screw/bolt, air filter to cylinder head cover *BA09.10-P-1001-01M 
    TORQUE SPECIFICATION Screw/bolt, air filter to air intake pipe support brace *BA09.10-P-1002-01M 
5 Remove alternator   AR15.40-P-5032LFH
6 Remove heat shield (9) above engine mount (8) on engine support (6); to do this remove screw/bolts (9a) TORQUE SPECIFICATION Bolt, heat shield to engine support *BA22.10-P-1003-02A 
7 Mount engine hoist and raise engine slightly IMPORTANT Raise engine only far enough that the engine mounts (8) are not under tension. AR33.10-P-0105LF
8 Remove screw/bolts (7) for engine support (6) on engine mounts (8) TORQUE SPECIFICATION Bolt, front engine mount to engine support *BA22.10-P-1001-03K 
9 Lift engine IMPORTANT Pay attention when lifting out engine that no cables and lines are damaged and that engine does not lean against the bulkhead.  
10 Remove lower engine compartment paneling   AR61.20-P-1105LF
11 Remove screws/bolts (10) for engine mounts (8) on front-axle carrier TORQUE SPECIFICATION Screw/bolt, front engine mount to front axle carrier *BA22.10-P-1002-03K 
12 Disconnect electrical connectors on engine mounts (8)    
13 Remove screw/bolts from starter heat shield on engine support (6) TORQUE SPECIFICATION Bolt, heat shield to engine support *BA22.10-P-1003-02A 
14 Detach bracket from alternator wiring harness from engine support (6)    
15 Detach and remove engine support (6) on cylinder crankcase upwards TORQUE SPECIFICATION Bolt/nut, engine support to crankcase *BA22.10-P-1001-02A 
16 Remove engine mount (8) upwards IMPORTANT Observe environmental protection regulations for disposing of engine mounts (8). Dispose of engine mounts (8) in mixed scrap.
INSTALLATION IMPORTANT Ensure that the correct installation position is obtained when installing the engine mount (8).
 
  Perform operation steps 17 to 29 to remove left engine mount (8) and left engine support (6)     
17 Unclip ME-SFI [ME] control unit and place to one side with connected lines   AR07.08-P-7008LFH
18 Detach high-voltage line at A/C compressor   AR83.55-P-5300LFH
19 Unclip high-voltage line at heat shield (9)    
20 Detach refrigerant compressor and place with attached lines in the direction fan unit to one side   AR83.55-P-5300LFH
21 Remove heat shield (9) above engine mount (8) on engine support (6); to do this remove screw/bolts (9a) TORQUE SPECIFICATION Bolt, heat shield to engine support *BA22.10-P-1003-02A 
22 Mount engine hoist and raise engine slightly IMPORTANT Raise engine only far enough that the engine mounts (8) are not under tension. AR33.10-P-0105LF
23 Remove screw/bolts (7) for engine support (6) on engine mounts (8) TORQUE SPECIFICATION Bolt, front engine mount to engine support *BA22.10-P-1001-03K 
24 Lift engine IMPORTANT Pay attention when lifting out engine that no cables and lines are damaged and that engine does not lean against the bulkhead.  
25 Remove lower engine compartment paneling   AR61.20-P-1105LF
26 Remove screws/bolts (10) for engine mounts (8) on front-axle carrier TORQUE SPECIFICATION Screw/bolt, front engine mount to front axle carrier *BA22.10-P-1002-03K 
27 Disconnect electrical connections on switchable engine mount (8)    
28 Remove engine mount (8) upwards IMPORTANT In the process A/C compressor in the direction fan unit to the side. Helper required.
INSTALLATION IMPORTANT Ensure that the correct installation position is obtained when installing the engine mount (8).
IMPORTANT Observe environmental protection regulations for disposing of engine mounts (8). Dispose of engine mounts (8) in mixed scrap.
 
29 Detach and remove engine carrier (6) on cylinder crankcase TORQUE SPECIFICATION Bolt/nut, engine support to crankcase *BA22.10-P-1001-02A 
30 Install in the reverse order    
AIR FILTER

Number Designation Engine 276.9
BA09.10-P-1001-01M Screw/bolt, air filter to cylinder head cover Nm 9
AIR FILTER

Number Designation Engine 276.9
BA09.10-P-1002-01M Screw/bolt, air filter to air intake pipe support brace Nm 9
ENGINE SUPPORT (ENGINE SIDE)

Number Designation Engine 276
BA22.10-P-1001-02A Bolt/nut, engine support to crankcase Stage 1 Nm 20
Stage 2 ∠° 90
ENGINE MOUNT, ENGINE SUPPORT (ENGINE SIDE)

Number Designation Model 222 except code Z07 (B7 armoring on special protection version) Model 222 with code Z07 (B7 armoring on special protection version)
BA22.10-P-1001-03K Bolt, front engine mount to engine support M10 Stage 1 Nm 50 50
Stage 2 ∠° - -
M12 Stage 1 Nm 45 45
Stage 2 ∠° 120 125
ENGINE MOUNT, ENGINE SUPPORT (ENGINE SIDE)

Number Designation Model 222 except code Z07 (B7 armoring on special protection version) Model 222 with code Z07 (B7 armoring on special protection version)
BA22.10-P-1002-03K Screw/bolt, front engine mount to front axle carrier Nm 30 30
ENGINE SUPPORT (ENGINE SIDE)

Number Designation Engine 276
BA22.10-P-1003-02A Bolt, heat shield to engine support Nm 13