1997 MERCEDES-BENZ ML500 trip computer

GF54.21-P-4106GH
Extended activity module position/task
23.6.99

MODEL
163

P54.21-2057-11

N10/1
Extended activitiy module
The extended activity module in combination with the new drive

authorization system (DAS (N10/ 1- n1)) represents an extension of

the
A
ll-
A
ctivity
M
odule. In addition, the extended activity module acts

as a diagnosis gateway for the transfer case, the all-activity module

and as of 1.9.00 for the trip computer control module.

Extended activity module position
The extended activity module is located in the

interior of the vehicle on the left side behind

the instrument cluster.

Extended activity module task

GF54.21-P-4106-01GH

Copyright DaimlerChrysler AG 18.05.2006 CD-Ausgabe G/10/04 . This WIS print-out will not be recorde
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CONTROL UNITS
CONTROL UNITS LOCATION
MOTORS
MOTORS LOCATION
Fig. 1 .
ComponentComponent Location
Acoustimass Bass ModuleUnder driver's seat. See Fig. 1 .
All Activity Module (AAM)In left side of engine compartment, in E-box. See
Fig. 1
.
ASR/ETS/ESP Hydraulic UnitIn left side of engine compartment, below washer
bottle.
Electronic Selector Lever Control ModuleUnder center console, at base of selector lever
assembly.
Engine Control Module (ME-SFI)In left side of engine compartment, in E-box. See
Fig. 1
.
ESA Control Module (Right/Left)Under respective front seat.
ESP/SPS/BAS Control ModuleIn left side of engine compartment, in E-box. See
Fig. 1
.
ETC Control ModuleBehind center of dash. See Fig. 1 .
Extended Activity Module (EAM)Behind left side of dash.
Global Positioning System (GPS) Control ModuleBehind center of dash.
MB-Immobilizer Control ModuleIn top right side of steering column. See Fig. 1 .
Restraint System Control ModuleUnder center console.
SRS Control ModuleBelow front of center console. See Fig. 1 .
Suction Cooling Fan Control ModuleAt front of engine compartment.
Trailer Turn Signal Control ModuleIntegral to trailer harness.
Transfer Case Control ModuleBelow center console, behind shift assembly. See
Fig. 1
.
Trip Computer Control ModuleIn front of roof.
Xenon Headlamp Control Module (Left/Right)Behind respective headlamp.
Xenon Headlamp Ignition Module (Left/Right)Behind respective headlamp.
ComponentComponent Location
Blend Air Flap Actuator MotorBehind right side of dash.
Blower MotorUnder right side of dash.
Coolant Circulation PumpIn right rear of engine compartment.
Differential Lock Vacuum PumpOn left side of engine compartment.
Electric Air PumpOn front center of engine.
Filler Flap CL Actuating MotorIn left rear cargo area, behind trim.

2001 Mercedes-Benz ML320
2001 MERCEDES-BENZ ML320 & ML430
me
Saturday, October 02, 2010 3:21:17 PMPage 3 © 2006 Mitchell Repair Information Company, LLC.

GF54.30-P-3011A
Electronic clock, location/function
24.10.96

MODEL
129, 140 as of 1.6.96,

163, 168, 170,

202 as of 1.8.96,

208 up to 31.7.99,

210 as of 1.6.96 up to 30.6.99

P54.30-0520-06

General

A periodic process with a period of high

accuracy is required to measure time (clock)

(e.g. rotation of the earth, pendulum

oscillation.)

Electronic clock

Accordingly an electrical clock signal of high

frequency accuracy is required for an

electronic clock. This clock signal is usually

derived from the very constant mechanical

oscillations of an oscillator crystal. A quartz

(q) with a really high frequency

(e.g. f
1
= 1 MHz) is normally used. This

frequency is then adjusted down to the

required frequency f
2
1 Hz or 1/60 Hz by an

electronic frequency divider (t), i.e. one pulse
is generated every second or minute. The

display unit can be actuated by this pulse. A

stepper motor (s) is used on clocks with a

pointer and a liquid crystal display (I) on

clocks with a digital display.

With an additional circuit (b) the clock can be adjusted via control

buttons.
In addition the time or a time/date pulse is also made available to

other systems (e.g. trip computer, Active Service System (ASSYST),

maintenance display).

Trip computer interface, location/task

GF54.30-P-2016A

Liquid crystal display, location/task/function

GF54.30-P-3015A

Oscillator crystal, function

GF54.30-P-3017A

Stepper motor, location/design/function

GF54.30-P-3009A

Copyright DaimlerChrysler AG 05.06.2006 CD-Ausgabe G/10/04 . This WIS print-out will not be recorde
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Fig. 64: Identifying Caps And Door Sill Molding
PREPARE HEADLINER FOR INSTALLING HANDLES - AR68.30-P-4300-01GH
Models 163.113/136/154/172 up to 31.8.01
When aligning the template, ensure that the arrow is pointing in direction of travel and the correct template
is used for each side.
1. Align template at cutouts provided.
2. Mark cutouts for grab handles.
3. Cut out cutouts for
grab handles.

Remove/install
1Remove cover caps (1) Do not scratch door sill molding.
2Remove screws below caps
3Remove door sill molding (2) Installation: Ensure that sealing rubber is
positioned correctly.
4.1Disconnect connector from electronic
compass Only as of 01.09.00 and with code (245), trip
computer.
5Install in the reverse order

2001 Mercedes-Benz ML320
1998-2005 ACCESSORIES & BODY, CAB Interior Equipment - 163 Chassis
me
Saturday, October 02, 2010 3:35:22 PMPage 62 © 2006 Mitchell Repair Information Company, LLC.

AR82.20-P-1100GH
Remove/install front overhead control panel
27.5.97

MODEL
163.113 /128 /136 /154 /157 /172 /174 /175

P68.00-0650-06

1
Garage door opener flap

2
Overhead control panel

3
Cover

4
Glass covers

5
Bolts

6
Retaining clip

7
Clips (black)

N41
Trip computer control module

S13/2
SR switch

X18/2
Interior/roof connector


Remove/install

1
Remove garage door opener flap (1) from

overhead control panel (2)

2
Unclip cover (3) on the sliding/tilting roof

switch (S13/2)
4 clips.

3
Unclip glass covers (4) from interior lights

4
Unscrew screws (5) below garage door

opener flap (1) and glass covers (4)

5
Unclip clips (black) (7) next to the light

switches


Installation:
Counterhold mounting plate
with puller hooks inside of headliner.

Hooked extraction tool

*140589023300

6
Press both retaining clips (6) to rear and

simultaneously press overhead control panel

(2) to front


Position narrow plastic wedge or

screwdriver in front of retaining lugs.

7
Remove overhead control panel (2) downward

8
Remove sliding/tilting roof switch (S13/2)

AR77.20-P-0001GH
9.1
Remove trip computer control module (TRIP)

(N41)

With code 245, trip computer, only.

AR54.50-P-0001GH

10
Detach interior/roof connector (X18/2) from

overhead control panel (2)

11
Remove overhead control panel (2)

12
Install in the reverse order
Hooked extraction tool

140 589 02 33 00

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GF54.50-P-4101GH
Electronic compass, location/purpose/design
24.3.00

MODEL
163 as of 1.9.00 with CODE (245) Trip computer

P54.50-2035-06

B26
Electronic compass

Electronic compass, location
The electronic compass (B26) can be found

below the cover for the trunk sill.

Electronic compass, purpose

GF54.50-P-4101-01GH

Electronic compass, design
The electronic compass (B26) is housed in a
plastic casing. The two measuring coils are

mounted perpendicular to one another on a

circuit board. The 4-pin connector is
connected to the electronic compass (B26)

via a piece of cable.

Copyright DaimlerChrysler AG 18.05.2006 CD-Ausgabe G/10/04 . This WIS print-out will not be recorde
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GF54.50-P-4101-01GH
Electronic compass, purpose

n

The electronic compass (B26) determines the current route
of the

vehicle using the
earth's magnetic field
and passes the appropriate

data to the trip computer control module (N41) via a two-wire

interface (RS485).
The compass has a calibration mode to allow the route to be

determined as accurately as possible. In this mode the compass can

be adapted to the magnetic conditions around the vehicle.
Copyright DaimlerChrysler AG 18.05.2006 CD-Ausgabe G/10/04 . This WIS print-out will not be recorde
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GF54.50-P-4100-02GH
Trip computer control module, design

n

The trip computer control module (TRIP, N41) consists of the

following components:
D
Electronics unit

D
LCD display

D
Reset button (left button, N41s1)

D
Mode button (right button, N41s2)

D
Inclination sensor (N41b1)
D

Glass breakage sensor (N41b2)

D
CAN interface

D
Alarm bus to all activity module (AAM, N10)

D
as of 1.9.00: Interface (RS 485) to electronic compass (B26)

Copyright DaimlerChrysler AG 18.05.2006 CD-Ausgabe G/10/04 . This WIS print-out will not be recorde
d by Modification services.
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