DEF refill bottle

DEF refill bottles can be obtained at many gas stations or at an authorized Mercedes-Benz Center. Refill bottles without a threaded cap do not provide overfill protection. DEF may leak if overfilled. Mercedes Benz provides special refill bottles with threaded caps.

These are available at any authorized Mercedes-Benz Center.

- Unscrew the protective cap from DEF refill

- Unscrew the protective cap from DEF refill bottle 1.

- Place DEF refill bottle 1 on the filler neck as shown and screw it on clockwise until it is hand-tight.

Only screw on the DEF refill bottle handtight. Only screw on the DEF refill bottle handtight.

It could otherwise be damaged.

– Press DEF refill bottle 1 in the direction of the filler neck.
The DEF tank is filled. This may take up to one minute.

When DEF refill bottle 1 is no longer When DEF refill bottle 1 is no longer pressed, filling stops and the bottle may be taken off again after being only partially emptied.

– Release DEF refill bottle 1.
– Turn DEF refill bottle 1 counterclockwise and remove it.
– Screw on the cover of DEF refill bottle 1 again.

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