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Home >> Mercedes Benz >> 2013 >> S400 >> Repair and Diagnosis >> Suspension >> Front Suspension >> Front Axle - 221 Chassis - 1 Of 2 >> Testing & Repair >> Remove/install front axle >> Remove/install front axle - AR33.10-P-0100SX

Remove/install front axle - AR33.10-P-0100SX

MODEL 221, 216 without 4MATIC 

Fig 1: Identifying Front Axle Remove/Install Components (1 Of 2)
G10109420Courtesy of MERCEDES-BENZ USA
Fig 2: Identifying Front Axle Remove/Install Components (2 Of 2)
G10109421Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
NOTES Notes on self-locking nuts and bolts   AH00.00-N-0001-01A
NOTES Notes on bolted connections with self tapping screws   AH00.00-P-0007-01SF
    NOTES When working on the front-end assembly, be careful not to scratch, mark or notch the surfaces of aluminum parts. Otherwise the service life of the of the parts will be reduced.  
IMPORTANT Notes on Active Body Control suspension   AH32.50-P-0001-01N
IMPORTANT Notes on AIRmatic   AH32.22-P-1000-02SX
INSTALLATION IMPORTANT Only tighten nuts and bolts of chassis components when vehicle is in a ready-to-drive condition.    
1 Completely discharge all pressure in the front suspension struts (40) using STAR DIAGNOSIS Vehicles with AIRmatic  
2 Deactivate easy entry/exit function Vehicles with code (275) Memory package (driver seat, steering column, mirrors) AR54.30-P-1000-02ESX
3 Turn front wheels to straight-ahead position and secure steering wheel with SPECIAL TOOL holding device. NOTES On a disengaged steering coupling (6) the steering wheel should not be turned because the spiral contact coil will be destroyed.  
SPECIAL TOOL Holding device Figure
4 Extract oil from power steering expansion reservoir SPECIAL TOOL Hand pump Figure
5 Secure vehicle on vehicle lift   AR00.60-P-0100SX
6 Remove the front wheels    
REFER TO MAINTENANCE Remove/install wheels   AP40.10-P-4050SX
7 Remove front suspension struts (40). Vehicles with code Z07, top protection AR32.25-P-1017SXS
Vehicles with AIRmatic and without top protection AR32.25-P-1017SX
Vehicles with code 487, Active Body Control (ABC) AR32.25-P-1017SY
8 From the underside, insert one bolt M8 each into the suspension strut supports on the vehicle and secure with nuts IMPORTANT In order to fix the engine lifting device in position.  
9 Remove upper transverse control arm (8) Vehicles with code Z07, top protection AR33.20-P-0500SXS 
Vehicles without top protection AR33.20-P-0500SX 
10 SPECIAL TOOL Installing protective washers to protect brake disk dust shields   AR42.00-P-0100-01A
SPECIAL TOOL Figure
11 Unscrew brake lines on the left and right from the brake hoses (39) and seal openings   AR42.10-P-0013SX
12 Unplug electrical connectors of front axle   AR33.10-P-0100-06SX
13 Remove bottom engine compartment paneling Vehicles with code Z07, top protection AR61.20-P-1105SXS
Vehicles without top protection AR61.20-P-1105SX
14 Remove bolts (6a) from engine mounts TORQUE SPECIFICATION Model 216 *BA22.10-P-1001-03C 
TORQUE SPECIFICATION Model 221 *BA22.10-P-1001-03D 
15 Remove bolts (15) and detach hydraulic line (17b) from front axle carrier (31) Vehicles with code 487, Active Body Control (ABC)  
16 Attach engine hoist and raise engine NOTES Make sure when lifting out engine that no cables and lines are damaged and that engine does not hit against partition wall. AR33.10-P-0105SX 
17 Separate steering coupling (6)   AR46.10-P-8000SX
18 Disconnect electrical connector (4d) from solenoid valve (Y10)    
19 Detach retaining clamp (4a) from rack-and-pinion steering and engine oil pan Model 216, 221 with electrohydraulic power steering (EHPS) AR46.25-P-3015SXH
Model 221.0/1 (except 221.028/128/176/179)
pressure line of power steering, without electrohydraulic power steering (EHPS)
Model 216 (except 216.379)
pressure line of power steering,
without electrohydraulic power steering (EHPS)		 AR46.25-P-3015SXA
Model 221.028/128 except CODE (487)
Active Body Control (ABC)
pressure line of power steering,
without electrohydraulic power steering (EHPS)		 AR46.25-P-3015SXJ
Model 221.176/179, 216.379
pressure line of power steering,
without electrohydraulic power steering (EHPS)		 AR46.25-P-3015SXZ
20 Remove bolt (4b) and remove pressure line (4c) Model 216, 221 with electrohydraulic power steering (EHPS) AR46.25-P-3015SXH
Model 221.0/1 (except 221.028/128/176/179)
pressure line of power steering,
without electrohydraulic power steering (EHPS)
Model 216 (except 216.379)
pressure line of power steering,
without electrohydraulic power steering (EHPS)		 AR46.25-P-3015SXA
Model 221.028/128 except CODE (487)
Active Body Control (ABC)
pressure line of power steering,
without electrohydraulic power steering (EHPS)		 AR46.25-P-3015SXJ
Model 221.176/179, 216.379
pressure line of power steering,
without electrohydraulic power steering (EHPS)		 AR46.25-P-3015SXZ
21 Detach retaining clamp (9) from front axle carrier (31).    
22 Support front axle carrier (31) with portable lifting platform   AR01.10-P-2500-01A
    Lifting platform for major assemblies/scissors-type pallet forklift
 		  
23 Remove bolts (31a) of longitudinal members INSTALLATION IMPORTANT Install new bolts.  
TORQUE SPECIFICATION *BA33.10-P-1001-01K 
24 Lower front axle    
25 Install in the reverse order    
26 Bleed brake system   AR42.10-P-0010SX
27 Fill power steering pump and bleed   AR46.30-P-0010SX
28 Perform wheel alignment check   AR40.20-P-0200SX
ENGINE SUSPENSION, ENGINE MOUNTS, ENGINE SUPPORTS

Number Designation Model 221.003/103 Model 221.02/05/07/095/12/15/17/195
BA22.10-P-1001-03D Bolt, front engine mount to front axle carrier Nm 30 35
ENGINE SUSPENSION, ENGINE MOUNTS, ENGINE SUPPORTS

Number Designation Model 216.371/373/374/376/377/379
BA22.10-P-1001-03C Bolt, front engine mount to front axle carrier Nm 35
FRONT AXLE CARRIER

Number Designation Model 216 Model 221
BA33.10-P-1001-01K Bolt, front axle carrier to longitudinal member Nm 180 180
Fig 3: Identifying Guard Plate (220 589 01 31 00)
G07274450Courtesy of MERCEDES-BENZ USA
Fig 4: Identifying Holding Device (129 589 01 21 00)
G07279187Courtesy of MERCEDES-BENZ USA
Fig 5: Identifying Hand Pump (210 589 00 71 00)
G07742725Courtesy of MERCEDES-BENZ USA
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