Page 2521 of 4133
 The engine support bracket (1) is positioned with its support surfaces resting on the left and right-side 
fenders' inside seams (arrows). 
 During installation it is important to proceed with caution to avoid damage to the vehicle paintwork. 
1. Lift engine by the front suspension hook.  
Shown on model 163 with engine 112.942  
Fig. 1: Identifying Engine Support Bracket 
- Shown On Model 163 With Engine 112.942 
SUPPORTING FRONT AXLE CARRIER WITH INSPECTION PIT OR ASSEMBLY LIFT - AR33.10-P-0100-03GH 
Workshop equipment 
1. Support front axle with axle removal device (070) and inspection pit or assembly lift. Ensure that the 
guide pin (arrow) is inserted in the front axle carrier.  
 Lower the front axle carefull
y; ensure that no cables and lines are trapped in between. 
WE58.40-Z-1019-11ARemoval fixture for axles
 
2001 Mercedes-Benz ML320 
1998-2005 DRIVELINE/AXLES Front Axle - 163 Chassis  
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        Page 2522 of 4133
Fig. 2: Identifying Supporting Front Axle And Pin 
REMOVING AND IN STALLING FRONT AXLE - AR33.10-P-0100GH 
MODELS 163.113 /128 /136 /154 /157 /172 /174 /175   
 
2001 Mercedes-Benz ML320 
1998-2005 DRIVELINE/AXLES Front Axle - 163 Chassis  
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        Page 2523 of 4133

Fig. 3: Identifying Front Axle Components
Position in major assemblies compartment (left and right) 
Fig. 4: Identifying RPM Sensor Connector
 
Modification notes 
7.11.00Figure modified from 170 Nm to 
200 NmValue in BA33.10-P-1001-01C changed 
for Model 163*BA33.10-P-1001-
01C
  Remove/install   
 Notes on self-locking nuts 
and boltsAll modelsAH00.00-N-0001-01A 
1Remove front wheels  
 Remove/install wheels, 
rotate if necessaryAP40.10-P-4050GH 
2Remove shock absorber AR32.25-P-0105GH 
3Unplug speed sensor 
connector (L6/1x1, 
L6/2x1)  
 Risk of poisoning caused 
by swallowing brake 
fluid. Risk of injury 
caused by brake fluid 
coming into contact with 
skin and eyes.Pour brake fluid only into 
suitable and appropriately 
marked containers. Wear 
protective clothing and eye 
protection when handling 
brake fluid.AS42.50-Z-0001-01A 
4Unscrew brake pipe from 
brake hoseSeal off line connections 
with plugs to prevent brake 
fluid from running out. 
 Installation: The brake 
hose must not be twisted 
after tightening. 
 Brake fluid notesAll modelsAH42.50-P-0001-01A 
 Notes on installation of Model Series 163AH42.10-P-9406-01GH 
 
2001 Mercedes-Benz ML320 
1998-2005 DRIVELINE/AXLES Front Axle - 163 Chassis  
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Saturday, October 02, 2010 3:38:21 PMPage 4 © 2006 Mitchell Repair Information Company, LLC.  
     
        
        Page 2524 of 4133

brake hoses *BA42.10-P-1001-04A
 Ring wrench socketFig. 5
5Unbolt propeller shaft at 
flange on front axle 
transmission *BA41.20-P-1001-01A
6Remove left and right 
front springs AR32.20-P-0200GH 
7.1Remove lower engine 
compartment panelingModel 
163.157 /172 /174 /175AR61.20-P-1105GH 
Model 163.113/ 128AR94.30-P-5400GH
8Detach torsion bar (28) at 
vehicle frame *BA32.20-P-1001-02G
9Detach upper transverse 
control arm (6) from 
vehicle frame Installation: Tighten 
new nuts slightly. Tighten 
bolt fully only when 
vehicle is on its wheels and 
ready to drive. 
 *BA33.20-P-1006-01D
10Detach bracket for oil 
lines from transmission to 
oil cooler on front axle 
carrier  
11Unclip brake line at rear 
of front-axle 
crossmember  
12.1Remove vehicle level 
controller connecting rod 
(95b) at lower transverse 
control arm on right Vehicles with xenon 
headlamps. 
13Extract fluid from power 
steering pump reservoir Hand pumpFig. 6
14Turn steering wheel to 
center position (front 
wheels in straight-ahead 
position) and secureThe steering wheel must 
not be turned when the 
steering coupling has been 
removed. This will damage 
the fanfare horns and airbag 
clock spring contact 
beyond repair. 
 Remove ignition key 
and turn steering wheel so 
that it locks. 
15.1Detach plug-in connector 
for speed-sensitive power 
steering to timing case Vehicles with speed-
sensitive power steering 
only. 
 
2001 Mercedes-Benz ML320 
1998-2005 DRIVELINE/AXLES Front Axle - 163 Chassis  
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        Page 2525 of 4133

16Unscrew nut (25d) and 
bolt from steering 
coupling (25) and pull 
lower steering shaft (80a) 
up out of steering 
coupling (25) Do not use force as the 
corrugated tube is sensitive 
to lateral forces. Enlarge 
clamping groove a little 
with a screwdriver if 
necessary. 
 Installation: ? 
Turn rack-and-pinion 
steering (23) to center 
position, install steering 
coupling (25). 
 Replace self-locking 
nuts (25d).AR46.20-P-0600-01GH 
 *BA46.10-P-1001-01D
17Unscrew return line (30f) 
and high-pressure 
expansion hose (30i) Connecting fitting or 
banjo bolts depending on 
the version. 
Seal off line connections 
with plugs. 
 Installation: Replace 
sealing rings. 
 Return line connection 
fitting: ? 
  
High pressure expansion 
hose connection fitting: ?*BA46.20-P-1001-01D
  
 Return line banjo bolt: ?*BA46.20-P-1002-01D
  
High pressure expansion 
hose connection fitting: ?*BA46.20-P-1004-01D
 *BA46.20-P-1005-01D
18Detach bleeding and 
venting hose from 
differential  
19Prop front axle carrier (1) 
with pit or installation lift Use assembly adapter.AR33.10-P-0100-03GH
 *WE58.40-Z-1019-11A
20Unscrew bolts (1f) from 
front axle carrier (1) The bolts (1f)are self-
tapping, so the following 
points must be observed: 
Never re-tap thread 
in side member.  
Replace bolts.  
 
 
2001 Mercedes-Benz ML320 
1998-2005 DRIVELINE/AXLES Front Axle - 163 Chassis  
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        Page 2526 of 4133

 Front axle carrier 
 Wheel control, hub 
 Front axle torsion strut 
 Propeller shaft of front axle gear 
Use original bolts 
only.  
Do not position bolts 
at an angle when 
screwing in.  
Do not use an impact 
wrench.  
Observe the 
tightening torque.  
 *BA33.10-P-1001-01C
21Lower front axle carrier 
(1), pushing all hoses to 
one side Installation: Contact 
surfaces of front axle 
carrier to longitudinal 
member must be cleaned 
and flat. 
Insert the locating pins of 
the front axle carrier into 
the holes in the side 
member. 
22Check front axle carrier 
(1) for damage  
23Install in the reverse order  
24Fill power steering pump 
and bleedEngine 112, 113AR46.30-P-0010B 
Engine 111, 612AR46.30-P-0010P
25Bleed brake system AR42.10-P-0010GH 
26Perform chassis 
alignment AR40.20-P-0200GH 
NumberDesignationModel Series 163
BA33.10-P-1001-01CBolt of front axle carrier to frameNm200
NumberDesignationModel Series 163
BA33.20-P-1006-01DBolt, upper transverse control arm to frameNm120
NumberDesignationModel Series 163
BA32.20-P-1001-02GBolt, retaining bracket to frameNm100
NumberDesignationModel Series 163
 
2001 Mercedes-Benz ML320 
1998-2005 DRIVELINE/AXLES Front Axle - 163 Chassis  
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Saturday, October 02, 2010 3:38:21 PMPage 7 © 2006 Mitchell Repair Information Company, LLC.  
     
        
        Page 2527 of 4133

 Brake lines, brake hoses 
 Brake lines, brake hoses 
 Steering shaft 
 Steering gear 
BA41.20-P-1001-01ASelf-locking bolt of propeller shaft to front-axle gear flangeNm40
NumberDesignationModel 
163.128/172/174/175Type 163.136Model 
163.154/157  
BA42.10-P-
1001-04ABrake pipe to 
brake hoseNm181818
NumberDesignationModel 163.113 as 
of VIN A289565, 
X754620 163.154 as 
of VIN A289565 
except  Model 163.113 to 
VIN A289564, 
X754619 163.154 to 
VIN A289564
BA42.10-P-1001-
04ABrake pipe to brake 
hoseNm1818
NumberDesignationModel Series 
163
BA46.10-P-1001-
01DSelf-locking nut of steering coupling to steering shaft and rack-
and-pinion steeringNm28
NumberDesignationModel 163 up to 
VIN A289559, 
X754619Model 163 as of 
VIN A289560, 
X754620
BA46.20-P-1001-
01DScrew joint, return 
line connection 
fitting to rack-and-
pinion steeringNm1515
BA46.20-P-1002-
01DScrew joint, high-
pressure expansion 
hose connection 
fitting to rack-and-
pinion steeringNm1515
BA46.20-P-1004-
01DHollow-core screw 
from return line to 
rack-and-pinion 
steeringNm3030
BA46.20-P-1005-
01DBanjo bolt of high-
pressure stretch hose 
to rack-and-pinion 
steeringNm3030
 
2001 Mercedes-Benz ML320 
1998-2005 DRIVELINE/AXLES Front Axle - 163 Chassis  
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Saturday, October 02, 2010 3:38:21 PMPage 8 © 2006 Mitchell Repair Information Company, LLC.  
     
        
        Page 2528 of 4133
Fig. 5: Identifying Ring Wr ench Socket (000 589 75 03 00)  
Fig. 6: Identifying Hand Pump (210 589 00 71 00)
  
Workshop equipment   
REMOVING/INSTALL RUBBER  MOUNTS - AR33.10-P-0120-01GH 
Fig. 7: Identifying Extraction And Installation Tool (163 589 02 43 00)  
Remove rubber mounts     
1. Use insertion and extraction tool   (Parts 04, 05)   to pull the front and rear rubber bushings from the  
front subframe. 
WE58.40-Z-1019-11ARemoval fixture for axles
 
2001 Mercedes-Benz ML320 
1998-2005 DRIVELINE/AXLES Front Axle - 163 Chassis  
me  
Saturday, October 02, 2010 3:38:22 PMPage 9 © 2006 Mitchell Repair Information Company, LLC.