Mercedes-Benz ML320. Manual — part 361

AR20.00-P-1142M

Drain, pour in coolant

8.11.99

ENGINE

612.963 in MODEL 163.113

P20.20-2083-12

1

Front noise encapsulation bottom part

2

Radiator

3

Radiator drain tap

4

Siphon hose

Draining

Danger!

Risk of injury to fingers being jammed or
pinched when removing, installing or aligning
hoods, doors, trunk lid/tailgate or sliding roof.

When moving components, ensure that no
body parts or limbs are within the operating
range of moving parts.

AS00.00-Z-0011-01A

Danger!

Risk of injury to skin and eyes suffering
scalding from contact with hot coolant spray.
Risk of poisoning from swallowing coolant.

Do not open cooling system unless coolant
temperature is below 90 °C. Open cap slowly
and release the pressure. Do not pour coolant
into beverage bottles.

Wear protective gloves, protective clothing
and eye protection.

AS20.00-Z-0001-01A

1

Open engine hood and raise to vertical position

Have assistant secure hood.

AR88.40-P-1000GI

2

Open cap of coolant expansion reservoir

Turn cap half a turn in the anti-clockwise

direction, release pressure, and then unscrew
cap.

3

Remove front noise encapsulation bottom
part (1)

4

Attach siphon hose (4) to drain connection of
radiator

5

Drain coolant at radiator (2) on right

To do this, turn drain tap (3) at radiator (2)

into position "1" (arrow).

Disposal of coolants.

Pay attention to legal provisions or local
wastewater regulations!
Refer to Environmental Protection Catalog
issued by MBVD/PWU for locations in
Germany.

6

Clean cooling and heating system

Clean cooling and heating system in case

of impurities. See

#

Remove oil from cooling and heating system.

AR20.00-P-1250B

Pour in

Notes on coolant

All engines

AH20.00-N-2080-01A

7

Turn drain tap (3) at radiator (2) into position
"0" (arrow)

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Danger!

Risk of accident caused by vehicle starting
off by itself when engine is running. Risk of
injury caused by contusions and burns when
working in engine during starting procedure

Secure vehicle to prevent it from moving.
Wear closed and snug-fitting work clothes.
Do not grasp hot or rotating parts.

AS00.00-Z-0005-01A

8

Pour in coolant

Warm up engine by running at moderate

revs. Top up coolant constantly at coolant
expansion reservoir. Close coolant expansion
tank once
coolant temperature is 60-70 °C.

*BF20.00-P-1001-02E

Note on coolant level

Model 124, 129, 140, 163.113, 168, 170, 202,
208, 210, 220, 463

AH20.00-P-1142-01A

9

Inspect cooling system for leaks

AR20.00-P-1010HA

Cooling system

Number

Designation

Engine
612.963

BF20.00-P-1001-02E

Cooling system

Total capacity

Liter

Y

11.0

Filling capacity of anticorrosion/
antifreeze agent down to
-37 °C

Liter

Y

5.5

Filling capacity of anticorrosion/
antifreeze up to -45 °C

Liter

Y

6.25

Specifications for Operating
Fluids

Sheet

BB00.40-P-0310-01A

Sheet

BB00.40-P-0325-00A

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GF54.30-P-4103GH

Coolant level switch, location/task/design/function

28.6.99

MODEL

163 as of 1.3.99

P54.30-2690-06

S41 Coolant level indicator electronic switch

The coolant level indicator electronic switch
(S41) is integrated in the coolant reservoir.

Coolant level switch, task

To record the coolant level:

Coolant level in order or below minimum

Coolant level switch, design

The coolant level indicator electronic switch
(S41) consists of two electrodes which are
permanently cast to the coolant reservoir and
a connector with contacts which have an
electrical connection to the electrodes.

Coolant level switch, function

The two electrodes are either immersed or
not immersed in the coolant depending on the
coolant level. As a result the test current
changes via the coolant level indicator
electronic switch (S41). This change is
evaluated by the instrument cluster (A1).

An alternating current is used so that the
electrodes do not disintegrate.

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AR91.12-P-1100GH

Remove and install cover on bottom of rear seat

22.2.00

MODELS 163.136 /154 /172 as of 1.9.99,
163.113 /128 /157 /174 /175

P91.12-2189-09

Arrows

Pushing directions for releasing
the locating tabs

Remove

Risk of breakage! Carefully press covers off
with a short screwdriver or suitable long
wedges.

1

Remove rear cargo space floor flaps

See Operating Instructions

2

Remove rear cover (A)

Pull front outer edges of the cover

upwards in order to release the locating tabs
(1). Press outer locating tabs (2) outwards. In
the center of the cover, press locating tab (3)
to the right and locating tab (4) forwards. In
order to release the locating tabs (5), press
the cover down and remove to the rear.

3

Remove curtain at front 40 % bench

4

Remove outer cover (B) from 40 % bench

Press the cover in and pull upwards at

locating tab (6). Pull outwards at locating tabs
(7, 8). Press the cover forwards in order to
release the locating tab (9). At locating tab
(10), press down with a long wedge between
the covers. Guide the cover past the lateral
curtain.

5

Remove inner cover (C) from 40 % bench

Pull the outer rear corners of the cover up

in order to release the rear locating tabs (11).
In order to release the locating tabs (12),
press the cover forwards and remove to the
front.

6

Remove curtain at front 60 % bench

7

Remove outer cover (D) from 60 % bench

Push locating tab (13) up and turn cover

out and up at locating tab (14). Pull outwards
at locating tabs (15). Press the cover
forwards in order to release the locating tabs
(16). At locating tab (17) press down with a
long wedge between the covers. Guide the
cover past the lateral curtain.

8

Remove inner cover (E) from 60 % bench

Press locating tabs (18) in. Pull the outer

rear corners of the cover up in order to
release the rear locating tabs (19). In order to
release the locating tabs (20), press the cover
forwards, rotate counterclockwise and remove
past the springs towards the rear.

Install

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