Mercedes-benz E-class 1999 Control Switch User Manual download pdf (Page 9)

109

Checking Coolant Level

To check the coolant level, the vehicle

must be parked on level ground and

the engine stopped.

Check coolant level only when

coolant is cold.

The coolant level should reach the black

top part of the reservoir.

Adding Coolant

If coolant has to be added, a 50/50

mixture of water and MB

anticorrosion/antifreeze should be

added.

The drain plugs for the cooling system

are located on the right side of the

engine block and at the bottom of the

radiator.

Anticorrosion/antifreeze, see

Coolants in Index.

Warning!

In order to avoid possible serious

burns or injury:

• Use extreme caution when

opening the hood if there are any

signs of steam or coolant leaking

from the cooling system, or if the

coolant temperature gauge

indicates that the coolant is

overheated.

• Do not remove pressure cap on

coolant reservoir if engine

temperature is above 194°F (90°C).

Allow engine to cool down before

removing cap. The coolant

reservoir contains hot fluid and is

under pressure.

• Using a rag, slowly open cap

approximately

1

/

2

turn to relieve

excess pressure. If opened

immediately, scalding hot fluid

and steam will be blown out

under pressure.

• Do not spill antifreeze on hot

engine parts. Antifreeze contains

etnylene glycol which may burn if

it comes into contact with hot

engine parts.

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Practical Hints 7
Technical Data 45

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