transmission oil MERCEDES-BENZ ML320 1997 Complete Owner's Manual

312 Technical termsEngine oil viscosity
Measurement for the inner friction (vis-
cosity) of the oil at different tempera-
tures. The higher the temperature an
oil can tolerate without becoming thin,
or the lower the temperature it can tol-
erate without becoming viscous, the
better the viscosity.
ESP
(E
lectronic S
tability Pr
ogram)
Improves vehicle handling and direc-
tional stability.
ETD
(E
mergency T
ensioning D
evice)
Device which deploys in certain frontal
and rear collisions exceeding the sys-
tem's threshold to tighten the seat
belts.
->SRSFSS
(F
lexible S
ervice S
ystem)
Service indicator in the speedometer
display that informs the driver when
the next vehicle maintenance service is
due.
Gear range
Number of gears which are available to
the automatic transmission for shifting.
The automatic gear shifting process
can be adapted to specific operating
conditions using the gear selector
lever.
GPS
(G
lobal P
ositioning S
ystem)
Satellite-based system for relaying
geographic location information to and
from vehicles equipped with special re-
ceivers. Employs CD or DVD digital
maps for navigation.GAWR
(G
ross A
xle W
eight R
ating)
The GAWR is the maximum permissible
axle weight. The gross vehicle weight
on each axle must never exceed the
GAWR for the front and rear axle indi-
cated on the certification label located
on the driver’s door pillar.
GVW
(G
ross V
ehicle W
eight)
The GVW comprises the weight of the
vehicle including fuel, tools, spare
wheel, installed accessories, passen-
gers and cargo. The GVW must never
exceed the GVWR, indicated on the
certification label located on the driv-
er’s door pillar.

317 Index
A
ABS 25, 76, 311
ABS control 76
LOW RANGE mode 77
Malfunction indicator lamp 242
Warning lamp 242
Accelerator position, automatic
transmission 123
Accident
In case of 52
Activating
Air circulation mode 139
Air recirculation mode 139
Anti-theft alarm system 83
Automatic climate control 135
ESP 82
Exterior headlamps 48
Hazard warning flasher 112
Headlamps 48
High beams 110
Ignition 33Immobilizer 54, 83
Rear passenger compartment ventila-
tion and climate control 141
Rear window defroster 133
Rear window wiper 51
Residual heat 140
Seat heater* 98
Tow-away alarm 85
Warning indicators (Parktronic*) 155
Windshield wipers 50
Activating automatic central locking 93
Adding
Coolant 223
Engine oil 221
Additional turn signals 266
Adjustable steering column
Indicator lamp 253
Adjusting 34
Backrest tilt 36, 38
Exterior rear view mirror 40
Head restraint height 36, 38Head restraint tilt 37, 39
Headlamp aim 272
Instrument cluster illumination 116
Manual seat 35
Mirrors 40
Power seats* 37
Seat cushion tilt 38
Seat fore and aft 35
Seat fore and aft adjustment 37
Seat height 36, 38
Seats 34
Steering wheel 39
Adjusting air distribution
Automatic climate control 137
Adjusting air volume
Automatic climate control 137
Air conditioner (cooling)
Turning on 139
Air conditioning
Cooling 139

329 Index
Lighting 107
Automatic headlamp mode 108
Cargo compartment 114
Combination switch 110
Daytime running lamp mode 109
Door entry lamps 113
Front fog lamps 111
High beam flasher 110
High beams 110
Instrument cluster illumination 116
Interior 112
Locator lighting 110
Night security illumination 109
Limiting the gear range 121
Limp Home Mode 124
Line of fall 313
Loading 157
Cargo area cover blind* 161
Cargo floor plates 162
Cargo tie-down rings 158
Hooks 159
Instructions 157, 158
Partition net* 159
Roof rack 163Split rear bench seat 99
Trailer 208
Locator lighting 110
Lock button 313
Locking 88
Automatic while driving 93
Centrally from inside 94
Fuel filler flap 214
Global 89
Vehicle in an emergency 262
Locking knobs 32
Loss of keys 90
Loss of Service and Warranty Information
Booklet 291
Low beam headlamps
Replacing bulbs 266, 268
Switching on 48
Low engine oil level
Indicator lamp 253
LOW RANGE - 4-ETS 80
LOW RANGE - ABS 77LOW RANGE - ESP 81
LOW RANGE mode 125
Low washer system fluid level
Indicator lamp 253
Lowering
Vehicle 276
M
Main dimensions 298
Maintenance 12
Display messages 256
Manual operations
Fuel filler flap 263
Interior lighting control 113
Locking the vehicle 262
Sliding/pop-up roof* 265
Unlocking the driver’s door 261
Unlocking transmission selector
lever 264

337 Index
Sun visor 132
Supplemental Restraint System
(SRS) 314
Switching off
Automatic climate control 137
ESP 81
Hazard warning flasher 112
Headlamps 54
Rapid seat heating 99
Transmission control – LOW RANGE
mode 125
Switching on
Automatic climate control 137
ESP 82
Front fog lamps 111
Front fog lamps, rear fog lamp 111
Hazard warning flasher 112
Headlamps 48
High beams 110
Rapid seat heating* 98
Seat heating* 98
Transmission control – LOW RANGE
mode 125
Trip computer* 186
Windshield wipers 49Synchronizing
ESP 246
Power windows 146
Remote control 263
Sliding/pop-up roof* 149
T
Tachometer 26, 118
Displaying gear range 121
Tail lamps 270
Cleaning 236
Replacing bulbs 267Tar stains 235
Technical data 302
Brake fluid 302
Coolants 304
Electrical system 297
Engine 294
Engine oil 302
Engine oil additives 302
Fuel requirements 303
Gasoline additives 303
Main dimensions 298
Premium unleaded gasoline 303
Rims and tires 295
Weights 299
Windshield and headlamp washer
system 307
Tele Aid System* 315

1998-03 AUTOMATIC TRANSMISSIONS
Complete Transmissions - ML 320 - 722.662
MODEL IDENTIFICATION
MODEL IDENTIFICATION
COMPLETE TRANSMISSION
REMOVE/INSTALL OIL PUMP
Model (Year)ChassisEngineTransmission
ML320 (2001-03)163.154112.942722.662

2001 Mercedes-Benz ML320
1998-03 AUTOMATIC TRANSMISSIONS Complete Transmissions - ML 320 - 722.662

2001 Mercedes-Benz ML320
1998-03 AUTOMATIC TRANSMISSIONS Complete Transmissions - ML 320 - 722.662
me
Saturday, October 02, 2010 3:15:25 PMPage 1 © 2006 Mitchell Repair Information Company, LLC.
me
Saturday, October 02, 2010 3:15:33 PMPage 1 © 2006 Mitchell Repair Information Company, LLC.

Fig. 1: Removing & Installing Oil Pump
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

2001 Mercedes-Benz ML320
1998-03 AUTOMATIC TRANSMISSIONS Complete Transmissions - ML 320 - 722.662
me
Saturday, October 02, 2010 3:15:25 PMPage 2 © 2006 Mitchell Repair Information Company, LLC.

Remove/Install
1 - Remove transmission with torque converter. See REMOVE/INSTALL TRANSMISSION WITH
TORQUE CONVERTER.
2 - Put transmission down on workbench. See Fig. 1
.
3 - Take transmission housing (1) off torque converter housing (2). See Fig. 1
.
4 - Pull torque converter housing (2) off transmission housing (1).
5 - Unscrew internal Torx drive bolts (4a) of oil pump (4).
6 - Screw two opposed bolts (a) into the oil pump housing (4) and press the oil pump (4) out of the
converter housing (2) by applying light blows with a plastic hammer.
Inspect
7 - Check oil pump (4).
8 - Check teflon rings (5a) of multi-disk brake B1 (5), replace if necessary.
9 - Install in the reverse order. NOTE: Internal Torx drive bolts (2a) 15 bolts and internal Torx drive bolts (1a) 2
bolts.
NOTE: The intermediate panel (6) on the torque converter housing (2) can usually
be used several times. The panel must not be coated with sealant.
NOTE: Bolt, transmission housing to converter housing. See Fig. 2
.
NOTE: Ensure that the multi-disk clutch K1 (3) does not fall out.
NOTE: Bolt, oil pump with multi-disk brake B1 to converter housing. See Fig. 2
.
NOTE: According to condition: Dismantle and assemble oil pump. See
DISMANTLING & ASSEMBLING OIL PUMP
.
NOTE: Insert both teflon rings (5a) into groove with grease so that the joint stays
together.

2001 Mercedes-Benz ML320
1998-03 AUTOMATIC TRANSMISSIONS Complete Transmissions - ML 320 - 722.662
me
Saturday, October 02, 2010 3:15:25 PMPage 3 © 2006 Mitchell Repair Information Company, LLC.

Fig. 2: Torque Converter Housing Tightening Torques
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Dismantling & Assembling Oil Pump
1 - Remove pump gears (22 a nd 23) from pump housing. See Fig. 3.
2 - Check radial seal ring ( 24), replace if necessary.
3 - Replace O-ring (25).
4 - Lubricate pump gears and place in the pump housing. Insert pump gear (22) so that the charger
(arrow) points towards the pump housing.
CAUTION: Use ATF oil.

2001 Mercedes-Benz ML320
1998-03 AUTOMATIC TRANSMI SSIONS Complete Transmissions - ML 320 - 722.662
me
Saturday, October 02, 2010 3:15:25 PMPage 4 © 2006 Mitchell Repair Information Company, LLC.

Fig. 3: Dismantling & Assembling Oil Pump
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
REMOVE/INSTALL TRANSMISSION WITH TORQUE CONVERTER

2001 Mercedes-Benz ML320
1998-03 AUTOMATIC TRANSMISSIONS Complete Transmissions - ML 320 - 722.662
me
Saturday, October 02, 2010 3:15:25 PMPage 6 © 2006 Mitchell Repair Information Company, LLC.

Fig. 4: Removing & Installing Transmission With Torque Converter
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Remove/Install -
1 - Disconnect ground cable of battery. See DISCONNECT GROUND LEAD FROM BATTERY
.
2 - Remove transfer case. See TRANSFER CASE .
3 - Unbolt oil filler pipe (3) from crankcase. See Fig. 4
.
4 - Remove heat shield (5) and disconnect 13-pin plug connector (2).
5 - Remove locking clips (21) and remove shift.
6 - Unscrew oil drain screw on oil pan (14).
7.1 - Unscrew oil drain screw for torque converter (15).
8.1 - Detach wire for park lock interlock (7) at transmission.
9 - Lambda sensors for primary catalytic converters remove.
10 - Unscrew oil lines (4) to oil cooler from transmission.
11 - Remove cover in oil pan (18) and disconnect torque converter from driven plate at flange.
12 - Unscrew bolts of transmission (19) at crankcase and take out transmission downwards at an angle
using a lifting device. NOTE: Code radio, set clock, normalize power windows and set timer in vehicles
with stationary heater.
NOTE: Adjust shift rod using pliers. See Fig. 10
.
NOTE: If the transmission fluid is burnt or contains wear particles, the oil cooler
lines and oil cooler must be flushed out: Flush oil cooler and oil cooler
lines.
NOTE: Only up to A145272,X708318. For installation and removal, position
selector lever or range selector lever in position "P" and leave in position
"P" when cable/transmission is removed. See REMOVING & INSTALLING
WIRE CABLE/TRANSMISSION FOR PARKING SHIFT LOCK ON
TRANSMISSION.
NOTE: Only up to A145272, X708318.
Upon Installation: Adjust cables for parking shift lock. See ADJUSTING
WIRE CABLES FOR PARKING LOCK INTERLOCK.
NOTE: Upon Installation: Check function of parking shift lock.

2001 Mercedes-Benz ML320
1998-03 AUTOMATIC TRANSMISSIONS Complete Transmissions - ML 320 - 722.662
me
Saturday, October 02, 2010 3:15:25 PMPage 8 © 2006 Mitchell Repair Information Company, LLC.