Drain/pour in coolant

AR20.00-P-1142MFG

Drain/pour in coolant

27.01.2020

Engine

139 in model 118, 177, 247

Modification notes

22.11.2019

Document completely revised.

27.01.2020

Cooling system

BF20.00-P-1001-06J

Shown on model 177

1

Drain screw

3

Fitting

2

Cooler high-temperature cooling circuit

Shown on model 177

4

Medium-temperature circuit cooler

6

Fitting

5

Drain screw

Shown on model 177

7

Bolts

9

Expansion rivet

8

Bumper support

 Warning

Risk of injury to skin and eyes suffering scalding from contact with hot coolantspray. 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 containers.
Wear protective gloves, protective clothing and safety glasses.

AS20.00-Z-0001-01A

 Caution

Risk of injury caused by scraping or cutting body parts on sharp vehicle parts

Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.

AS00.00-Z-0017-01A

Topical note

Notes on coolant

AH20.00-N-2080-01A

Notes on coolant level

AH20.00-P-1142-01CW

Drain off

1

Remove cap from engine cooling system expansion reservoir.

2

Remove bottom engine compartment paneling.

AR61.20-P-1105MFA

3

Remove expansion rivets (9).

 Clip remover

*452589016300

4

Remove bolts (7) and remove bumper support (8).

5

Insert suitable hose into fitting (3) at drain screw (1).

6

Open drain screw (1), drain coolant and collect in suitable container.


Open drain screw (1) only until coolant starts to drain off.
Drain screw (1) and cooler high-temperature cooling circuit (2) will otherwise be damaged.

 Observe regulations to dispose of coolant.

7

Insert suitable hose into fitting (6) at drain screw (5).

8

Open drain screw (5), drain coolant and collect in suitable container.


Only open drain screw (5) to extent that coolant starts to drain off.
Drain screw (5) and cooler medium-temperature circuit (4) will otherwise be damaged.

 Observe regulations for disposal of coolant.

9

Remove coolant line at additional cooler on right when viewed in direction of travel and collect escaping coolant with suitable container.

AR20.20-P-3866MFG

 Observe regulations for disposal of coolant.

10

Close drain screws (1, 5).

11

Attach coolant line to additional cooler on right when viewed in direction of travel.

AR20.20-P-3866MFG

Pour in

12

Pour in coolant and bleed engine cooling system.

AR20.00-P-1142-04A



Coolant specifications

BB00.40-P-0310-01A

 When filling, it is necessary to comply with the work procedure.

 Coolant mixing ratio

*BF20.00-P-1001-04A

 Engine 139 in model 118.353/653
Engine 139 in model 118.354/654
Engine 139 in model 177Cooling system

*BF20.00-P-1001-06J

 Pressure pump

*124589242100

 Test cap

*210589009100

 Cooler vacuum filling device

*285589002100

 NTKL Adaption

*285589012100

 Electric vacuum pump

*285589022100

13

Check engine cooling system for leak tightness.



Anticorrosion/antifreeze agents (Sheet 325.0)

BB00.40-P-0325-00A

AR20.00-P-1010MFG

14

Install bumper support (8).

15

Screw in bolts (7) of bumper support (8).

 Screw, front bumper support to cross strut

*BA62.30-P-1011-02O

16

Install expansion rivets (9) at bumper support (8).

17

Install lower engine compartment lining.

AR61.20-P-1105MFA

 Frond end with front reinforcement

Number

Designation

Model 118

Model 177

BA62.30-P-1011-02O

Screw, front bumper support to cross strut

Nm

17

17

 Frond end with front reinforcement

Number

Designation

Model 247

BA62.30-P-1011-02O

Screw, front bumper support to cross strut

Nm

17

 Coolant mixing ratio

Number

Designation

Engine all (4xWD, CAR, smart)

BF20.00-P-1001-04A

Coolant mixing ratio

Antifreeze/water

Up to -37°C

%

50/50

As of -38 °C

%

55/45

Overview and specifications sheet

BB00.40-P-0310-01A

References to sheet specification

BB00.40-P-0310ZZ

 Cooling system

Number

Designation

Engine 139 in model 118, 177, 247

BF20.00-P-1001-06J

Cooling system

Workshop replacement amount

Main circuit

Liter

11,6

Low-temperature circuit

Liter

2,6

Antifreeze/water

to -37 °C

%

50/50

as from -38 °C

%

55/45

References to sheet specification

BB00.40-P-0310ZZ