Drain/pour in coolant

AR20.00-P-1142H

Drain/pour in coolant

4.2.09

Drain

 Danger!

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



Notes on coolant

AH20.00-N-2080-01A

1

Remove ground line(s) from battery (batteries)

Only when draining coolant at crankcase, right.

 Do not connect quiescent current retention unit.

Model 215, 220

AR54.10-P-0003I

Model 216, 221

AR54.10-P-0003SX

Model 230 without code (P99) Special model "AMG Black Series"

AR54.10-P-0003R

Model 230 with code (P99) Special model "AMG Black Series"

AR54.10-P-0003RBS

Model 240

AR54.10-P-0003H

2

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

 Turn cooling system cap (1) 1/2 one revolution until the pressure is releases then unscrew cooling system cap (1).

3

Remove lower engine compartment paneling

 Only the front and center engine compartment paneling.

Model 215, 220

AR61.20-P-1105M

Model 216,

Model 221 without (Z07) Highest protection

AR61.20-P-1105SX

MODEL 221 with CODE (Z07) Top protection

AR61.20-P-1105SXS

Model 230 without code (P99) Special model "AMG Black Series"

AR61.20-P-1105R

Model 230 with code (P99) Special model "AMG Black Series"

AR61.20-P-1105RBS

Model 240

AR61.20-P-1105H

Drain coolant from radiator

4

Push siphon hose (3) onto left fitting (4) at radiator

5

Slacken siphon hose (5) at radiator and drain coolant

 Catch coolant in a suitable vessel.

6

Tighten drain plug (5) and detach drain hose (3) from fitting (4)

Drain coolant at crankcase on the right

7

Detach drain plug (6) near alternator and slide drain hose (3) onto drain plug (6)

Model 230, 240

8

Open drain plug (6) and drain off coolant

Model 230, 240

 Catch coolant in a suitable vessel.

9

Detach drain hose (3) and tighten drain plug (6)

Model 230, 240



*BA20.00-P-1002-02D

10

Detach drain plug (8) and slide drain hose (3) onto drain plug (8)

Model 215, 216, 220, 221

11

Open drain plug (8) and drain off coolant

Model 215, 216, 220, 221

 Catch coolant in a suitable vessel.

12

Detach drain hose (3) and tighten drain plug (8)

Model 215, 216, 220, 221



*BA20.00-P-1001-02D

Drain coolant at crankcase. left

13

Detach drain plug (7) and place drain hose (3) on drain plug (7)

Model 216, 220, 221, 240

14

Open drain plug (7) and drain off coolant

Model 216, 220, 221, 240

 Catch coolant in a suitable vessel.

15

Detach drain hose (3) and tighten drain plug (7)

Model 216, 220, 221, 240



*BA20.00-P-1001-02D

16

Lower vehicle

Filling

17

Pour in coolant and bleed cooling system

 Use clean coolant again.

AR20.00-P-1142-04A



*210589009100



*285589002100



Coolant specifications

Sheet 310.1

BB00.40-P-0310-01A



Anticorrosion/antifreeze agents (Sheet 325.0)

Sheet 325.0

BB00.40-P-0325-00A



Notes on coolant level

AH20.00-P-1142-01V



*BF20.00-P-1001-04A

18

Inspecting cooling system for leaks

Model 215, 220, 230, 240

AR20.00-P-1010HA

Model 216, 221

AR20.00-P-1010SX

19

Install lower engine compartment paneling

Model 215, 220

AR61.20-P-1105M

Model 216,

Model 221 without code (Z07) Top protection

AR61.20-P-1105SX

MODEL 221 with CODE (Z07) Top protection

AR61.20-P-1105SXS

Model 230 without code (P99) Special model "AMG Black Series"

AR61.20-P-1105R

Model 230 with code (P99) Special model "AMG Black Series"

AR61.20-P-1105RBS

Model 240

AR61.20-P-1105H

20

Attach ground line(s) to battery(ies)

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

Model 215, 220

AR54.10-P-0003I

Model 216, 221

AR54.10-P-0003SX

Model 230 without code (P99) Special model "AMG Black Series"

AR54.10-P-0003R

Model 230 with code (P99) Special model "AMG Black Series"

AR54.10-P-0003RBS

Model 240

AR54.10-P-0003H

21

Connect STAR DIAGNOSIS, read and erase diagnostic trouble code memory

Only if ground line(a) on the battery(ies) were removed.



Connect STAR DIAGNOSIS and read out fault memory

AD00.00-P-2000-04A

Number

Designation

Engine
275.950/951/
952/980/981,
285.950

Engine
275.953/954
982/983/,285.980

BA20.00-P-1001-02D

Coolant drain plug on crankcase

Nm

14

14

BA20.00-P-1002-02D

Coolant drain plug on alternator

Nm

12

-

Number

Designation

ENGINE all

BF20.00-P-1001-04A

Mixture ratio for coolant

Antifreeze/water

Up to -37°C

50/50

up to -45°C

55/45

Specifications for service products

Sheet

BB00.40-P-0310-01A

Sheet

BB00.40-P-0325-00A