2.5.1.6.2. Addition of a concentrate of the cooling means (Mercedes-Benz)

Prevention

As some details of the cooling system are made of aluminum, it is necessary to apply to these purposes only the antifrizno-rust-preventing agent suitable and allowed for use by Mercedes-Benz.

Example: measurement of protection of the 4-cylinder engine against freezing (without conditioner) by means of the areometer guarantees this protection up to the temperature of -20 °C. In this case merge 1,3 l of cooling liquid from the cooling system and then add 1,3 l of a pure concentrate of antifreeze. Thanks to it protection of the engine against freezing up to the temperature of -37 °C is guaranteed. If it is necessary to guarantee protection of the engine against freezing to –45 °C, replace 1,7 l of liquid.

The measured value, °C
0
– 10
– 20
– 30
Quantitative difference, l
Petrol engines
4 cylinder. –37 ° / without konditsa. –45 ° 4,0 / 4,4 2,4 / 2,8 1,3 / 1,7 0,5 / 0,9
4 cylinder. –37 ° / from konditsa. –45 ° 4,5 / 5,0 2,7 / 3,2 1,4 / 1,9 0,5 / 1,0
6 cylinder. –37 ° / –45 ° 5,0 / 5,5 3,0 / 3,5 1,6 / 2,1 0,6 / 1,1
Diesel engines
Engine 2,0l -37 ° / –45 ° 4,0 / 4,4 2,4 / 2,8 1,3 / 1,7 0,5 / 0,9
Engine of 2,0 l –37 ° / –45 °C of konditsa. 4,5 / 5,0 2,7 / 3,2 1,4 / 1,9 0,5 / 1,0
Engine of 2,2 l –37 ° / –45 ° 3,5 / 3,9 2,1 / 2,5 1,1 / 1,5 0,5 / 0,8
Engine of 2,2 l –37 ° / –45 °C of konditsa. 3,8 / 4,1 2,3 / 2,6 1,2 / 1,6 0,5 / 0,8
Engine of 2,5 l –37 ° / –45 ° 3,8 / 4,1 2,3 / 2,6 1,2 / 1,6 0,5 / 0,8
Prevention

The values specified in the table are valid for temperature of cooling liquid about +20 °C.

Close a locking cover on a radiator and after a trial trip check antifrizny protection again.