Remove/install engine block heater

AR20.00-P-0001G

Remove/install engine block heater

15.2.12

 

Remove/install

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

 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

1

Activate Service mode in Tele-Aid emergency call system

 Only on model 463.322/323 with Tele-Aid car phone emergency call system ET2.

AR82.95-P-0005-03GR



Notes regarding the Tele-Aid emergency call system

Model 463.243/244/245/247/248/250/ 254/270/309/322/323/332/333 TELE AID car telephone emergency call system ET2

AH82.95-P-0001-01GA

2

Disconnect ground cable from battery

Model 463.322/323

AR54.10-P-0003G

Model 461.302/331/332/342/345

AR54.10-P-0003GL



Notes on battery

All models

AH54.10-P-0001-01A

Danger!

Risk of death caused by vehicle slipping or toppling off of 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

3

Lift/jack up vehicle

AR00.60-P-1000G

4

Remove underride guard

5

Reduce pressure in cooling system

 To do this, turn radiator cap to first detent then close again.

6

Drain coolant



Replace coolant

AP20.00-P-2080G



Notes on coolant

All engines

AH20.00-N-2080-01A

7

Remove heater unit

Model 461.302/332/342/345, 463.322/323 with auxiliary heater, code H12

AR83.70-P-5302GL

Model 461.331

AR83.70-P-5302GLC

8

Remove charge air manifold

AR09.41-P-1310GS

9.1

Unhinge plug (1) at retaining spring (2) and detach cap (3)

 Only for model 461.302/332/342/345, 463.322/323

9.2

Detach connector (9) at brush guard

 Only on model 461.331

10

Slacken electrical line of engine block heater (4)

 For this step disconnect cable tie (5) and remove clamp (6) from bracket (7)

 Installation: Replace cable ties (5).

11

Remove engine block heater (8)

 Installation: Install new O-ring.



*BA20.00-P-1001-01B



*119589000300



General information on coolant preheater

AH20.00-P-1001-01A

12

Install in the reverse order

13

Fill and bleed steering system

AR46.20-P-0500-10F



*BF46.20-P-1001-01B

14

Bleed cooling system

Model 461.302/331/332/342/345

AR20.00-P-1142-06GL

Model 463.322/323

AR20.00-P-1142-06GI

15

Inspect cooling system for leaks



Cooling and heating system - check condition of radiator, lines and hoses

AP20.00-P-2050G

16

Deactivate service mode in TELE AID emergency call system

 Only on model 463.322/323 with Tele-Aid car phone emergency call system ET2.

AR82.95-P-0005-03GR



Notes regarding the Tele-Aid emergency call system

Model 463.243/244/245/247/248/250/ 254/270/309/322/323/332/333 TELE AID car telephone emergency call system ET2

AH82.95-P-0001-01GA

17

Read out fault memory and erase

 STAR DIAGNOSIS
Stored faults which can result from lines being disconnected or from simulation during removal and installation or test work, have to be processed and erased in the fault memories after completing the work



Connect STAR DIAGNOSIS and read out fault memory

AD00.00-P-2000-04A

STAR DIAGNOSIS diagnosis system, Compact Passenger Car 6511 1801 00

Number

Designation

Engine 611, 612, 613

BA20.00-P-1001-01B

Coolant preheater in engine block

Nm

35

Number

Designation

Model
461, 463

BF46.20-P-1001-01B

Power steering

Filling capacity

Liters

1.0

MB steering gear oil

Sheet

BB00.40-P-0231-01A