mercedesbenz Workshop Repair Guides

Mercedes Benz Workshop Service and Repair Manuals

Heater Core|Description and Operation|Page 12359 > < Heater Core|Description and Operation
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Heater Core: Service and Repair

AR83.25-P-1100Q Remove/Install Heat Exchanger

CAUTION:  Installation:  Replace self-locking nuts and bolts.

DANGER:

-

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

-

Do not open cooling system unless coolant temperature is below 90 degrees C. Open cap slowly and release the pressure. Do not pour
coolant into beverage bottles

-

Wear protective gloves protective clothing and eye protection.

1

Drain coolant

2

Completely move adjustable steering column out and downward

DANGER:
-

Risk of explosion from explosive gas. Risk of poisoning and caustic burns from swallowing battery electrolyte. Risk of injury with
caustic burns to eyes and skin from battery electrolyte or from handling damaged lead-acid batteries

-

No fire, sparks, naked flames or smoking. Wear acid-resistant gloves, clothing and goggles. Pour battery electrolyte only into suitable
and appropriately marked containers.

Heater Core|Description and Operation|Page 12359 > < Heater Core|Description and Operation