Remove/install radiator

AR20.20-P-3865MC

Remove/install radiator

15.2.12

 

Remove/install

Danger!

Risk of death caused by vehicle slipping or toppling off the lifting platform.

Align vehicle between the columns of the lifting platform and position the four support plates at the lifting platform support points specified by the vehicle manufacturer.

AS00.00-Z-0010-01A

 Danger!

Risk of injury to skin and eyes due to scalding caused by 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

 Danger!

Risk of explosion caused by escaping oxyhydrogen gas. Risk of injury caused by caustic burns to eyes, skin and mucous membranes from battery electrolyte (contains diluted sulfuric acid) or metal spatter due to short circuit. Risk of burn injuries caused by short circuit. Risk of poisoning caused by swallowing battery electrolyte (contains diluted sulfuric acid) or absorption of lead over the skin or orifices

No fire, sparks, open flames or smoking.

Wear acid-resistant gloves and clothing and safety glasses with side guards.

Do not place any conductive objects on the battery and avoid any short circuit from battery positive to ground.

Only fill liquid battery electrolyte (diluted sulfuric acid) into suitable and appropriately marked containers.

AS54.10-Z-0001-01A

 Danger!

Risk of accident due to vehicle starting off when engine is running

Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running

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

AS00.00-Z-0005-01A

1

Turn key in electronic ignition switch EIS to position "0".

 Key cannot be withdrawn.

 With Keyless Go, code 889:

Press Start-Stop button once more until ignition is off, remove Keyless Go cards from vehicle and place out of the transmitter range.

2

Disconnect ground line from battery

AR54.10-P-0003I



Notes on battery

AH54.10-P-0001-01A

3

Remove fan shroud

AR20.40-P-6800AC

4

Drain coolant at radiator

Engine 137

AR20.00-P-1142HA

Engine 275

AR20.00-P-1142H



Notes on coolant

AH20.00-N-2080-01A

5

Remove front parts of the fender liner in the front fender

AR88.10-P-1300M

6

Remove both lamp units

Model 215

AR82.10-P-4730N

Model 220 without Xenon headlamp unit

AR82.10-P-4730M

Model 220 with Code 612b Xenon headlamp unit

AR82.10-P-4730MA

7

Detach left and right front engine hood catch (1) from radiator crossmember (2)

Model 215

AR88.40-P-3200N

Model 220

AR88.40-P-3200M

8

Remove both clamps (3) from radiator crossmember (2)

9

Remove bolts (4)

10

Detach right bracket (5) of radiator crossmember (2)

11

Remove radiator crossmember (2)

12

Unscrew bolts (6) at both headlight mounts

13.1

Remove bracket (7) for ABC distributor

Vehicles with Active Body Control (Code 487) only.

14

Dismount transmission oil line (8) at radiator (9)

 Seal the connections.

 Set of plugs

*129589009100



*BA20.20-P-1001-01A

15.1

Unscrew bolts (10) for low temperature water circuit circulation pump bracket at radiator (9)

Engine 275

16

Remove bracket (11)

17

Remove left and right plastic cover (12)

18.1

Unscrew bolts (13) for low temperature water circuit cooler at radiator (9)

Engine 275

19

Unscrew bolt (14) for A/C line bracket at radiator (9)

20

Disconnect coolant lines (15, 16, 17) at the radiator (9)

 Installation: fit new O-rings to the connection fittings.

 Inspect coolant lines (15, 16, 17) for damage, replace if necessary.

21

Unscrew bolts (18) at radiator (9)

22

Install in the reverse order

23

Pour in coolant

Engine 137

AR20.00-P-1142HA

Engine 275

AR20.00-P-1142H

24

Bleed cooling system

AR20.00-P-1142-06GA

25

Inspecting cooling system for leaks

AR20.00-P-1010HA

26

Check oil level in automatic transmission, correct if necessary

AR27.00-P-0100AC

27.1

Check / adjust the sensor setting of Distronic (DTR)

Vehicles with Distronic (DTR) Code 219a

AR30.30-P-1000R

Number

Designation

Engine
275

BA20.20-P-1001-01A

Union nut, automatic transmission oil line to radiator

Nm

25