Drain the coolant for the low-temperature coolant circuit of the drive

WARNING: High-voltage system .
The high-voltage system works with dangerous electrical voltage and high currents flow. Mortal hazard through electric shock!

All work on the high-voltage system may only be carried out by specially trained and technically experienced personnel.
For additional information see:
61 00... SAFETY INSTRUCTIONS ON HANDLING HYBRID CARS .
For additional information see:
61 25... NOTES ON REPAIR OF HIGH-VOLTAGE BATTERY UNIT .

WARNING: Hot fluids .
Risk of scalding!

Conduct all work in the vehicle wearing appropriate personal protective equipment only.

NOTE: TECHNICAL INFORMATION
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.

NOTE: TECHNICAL INFORMATION
Notes on work at the cooling system form the basis of these repair instructions and must be complied with at all times.
For additional information see: NOTES FOR WORKING ON THE COOLING SYSTEM

Supply a drip pan (1) and the special tool 0 490 133 (00 2 030) .

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NOTE: TECHNICAL INFORMATION
Risk of mixing up Do not replace the expansion tank of the low-temperature coolant circuit with the expansion tank of the coolant for the heater circuit.
Loosen the sealing cap (1) on the coolant expansion tank (2).

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Loosen screws (1).
Loosen nut (2).
Fold the front section of the wheel arch cover on the rear left (3) to the side.

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On vehicles with range extender
Unlock coolant hose (1) and detach.
Drain, catch and dispose of coolant.

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Loosen screws (1).
Loosen nut (2).
Fold the front section of the rear right wheel arch cover (3) to the side.

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Unlock coolant hoses (1) and (2) and detach them off the coolant pump (3).
Drain, catch and dispose of coolant.

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