17 00 005 Drain and top up coolant (N63 B40/B44 O 1)
Special tools required:
Only carry out repair work on the cooling system after the engine has cooled down!
Never reuse used coolant!
When replacing and removing components which rely on the corrosion protection effect of the coolant, it is essential to change the coolant. The cooling system must therefore be drained and refilled.
In the case of other removal work involving the draining of part quantities of coolant, replace these quantities which have been drained with new coolant.
Installation note:
Use only recommended coolant and observe mixture ratio. See COOLANT REQUIREMENTS, MIXTURE RATIO, AND WATER QUALITY .
Protective measures/rules of conduct
- Wear safety goggles
- Wear protective gloves
- Observe national/country-specific regulations
Danger of injury!
Catch and dispose of drained coolant in drip tray (1) and if necessary special tool 00 2 030 (universal hydraulic lifting equipment).
Recycling
Observe country-specific waste disposal regulations.
Necessary preliminary tasks:
- Remove front UNDERBODY PROTECTION .
- F01, F02 only:
Remove FAN COWL .
- F12 only:
Remove stiffening plate
Draining coolant
Loosen the sealing cap at the coolant filler neck.
Installation note:
Close the sealing cap (1) until the arrows line up.
Unlock and detach coolant hose (1) from radiator.
Drain, catch and dispose of coolant.
Adding coolant
Use only recommended coolant and observe mixture ratio. See COOLANT REQUIREMENTS, MIXTURE RATIO, AND WATER QUALITY .
Observe FILLING CAPACITIES .
Fill and vent COOLING SYSTEM .
Observe bleeding instructions without fail.
Assemble engine.
Visual inspection of cooling system for tightness.