Drain/pour in coolant

AR20.00-P-1142SV

Drain/pour in coolant

12.11.2018

Engine

112.947 in model 170.465

Engine

112.960 in model 170.466

Modification notes

26.09.2014

Mixing ratio for coolant

BF20.00-P-1001-04A

Shown on model 170.465

1

Cooling system cap

2

Coolant expansion reservoir

3

Fitting on radiator

4

Drain screw for radiator

5

Drain screw for cylinder crankcase

 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

Topical note

Notes on coolant

AH20.00-N-2080-01A

Drain off

1

Open hood

AR88.40-P-1000G

2

Disconnect battery ground line

Only when draining coolant at cylinder crankcase, right.

AR54.10-P-0003A

 Do not connect no-load current retention unit.

3

Open cooling system cap (1) at coolant expansion reservoir (2)

 Turn cooling system cap (1) by 1/2 revolution anti-clockwise, release overpressure, then unscrew cooling system cap (1).

4

Remove lower engine compartment paneling

AR61.20-P-1105A

Drain coolant at radiator

5

Slide drain hose onto fitting on radiator (3), open radiator drain screw (4) and drain coolant

 Collect coolant in a suitable container.

6

Close off radiator drain screw (4) and detach drain hose from fitting at radiator (3)

Drain coolant at cylinder crankcase

7

Loosen cylinder crankcase drain screw (5) and push drain hose onto the cylinder crankcase drain screw (5)

8

Open cylinder crankcase drain screw (5) and drain off coolant

 Collect coolant in a suitable container.

9

Pull drain hose off cylinder crankcase drain screw (5) and tighten cylinder crankcase drain screw (5)

 Coolant drain plug on crankcase

*BA20.00-P-1001-02B

10

Lower vehicle

Pour in

11

Pour in coolant and bleed cooling system

AR20.00-P-1142-04AK

Notes on coolant level

AH20.00-P-1142-01CW



Anticorrosion/antifreeze agents (Sheet 325.0)

BB00.40-P-0325-00A



Coolant specifications

BB00.40-P-0310-01A

 Re-use clean coolant.

 Coolant mixing ratio

*BF20.00-P-1001-04A

 Cooling system

*BF20.00-P-1001-02K

 Test cap

*169589009100

 Cooler vacuum filling device

*285589002100

12

Check cooling system for leaktightness

AR20.00-P-1010P

13

Install lower engine compartment paneling

AR61.20-P-1105A

14

Connect ground cable to battery

Only when coolant has been drained at cylinder crankcase on the right.

AR54.10-P-0003A

15

Perform basic programming

Only if the ground line for the battery has been disconnected.

AR00.19-P-0200B

16

Connect STAR DIAGNOSIS, read out and clear fault memory

Only if the ground line for the battery has been disconnected.



AD00.00-P-2000-04A

17

Close engine hood

AR88.40-P-1000G

 Engine cooling, general

Number

Designation

Engine 112, 113.940/941/942/943/944/948/960/961/963/964/965/966/967/968/971/980/981/984/986/987/988/990/991/992/995

BA20.00-P-1001-02B

Coolant drain plug on crankcase

Nm

12

 Cooling system

Number

Designation

Engine 112.947 in model 170.465

ENGINE 112.960 in MODEL 170.466 AMG

BF20.00-P-1001-02K

Cooling system

Total filling capacity

Liter

8

8,0

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

Liter

4

–

Filling capacity of anticorrosion agent/antifreeze down to -45 °C

Liter

4,5

–

Sheet

BB00.40-P-0310-01A

-

Sheet

BB00.40-P-0325-00A

-

 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