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 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.
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
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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