Important Safety Notes - Mercedes-Benz 2015 M-Class Operator's Manual

Parking
182
DEF refill bottle
! Only screw on the DEF refill bottle hand-
tight. It could otherwise be damaged.
Unscrew the protective cap from DEF refill
X
bottle :.
Place DEF refill bottle : on the filler neck
X
as shown and screw it on clockwise until
hand-tight.
Press DEF refill bottle : towards the filler
X
neck.
The DEF tank is filled. This may take up to
one minute.
i When DEF refill bottle : is no longer
pressed, filling stops and the bottle may be
taken off again after being only partially
emptied.
Release DEF refill bottle :.
X
Turn DEF refill bottle : counter-clockwise
X
and remove it.
Screw the protective cap onto DEF refill
X
bottle : again.
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 offers spe-
cial refill bottles with a threaded seal. These
are available at any authorized Mercedes-
Benz Center.
Closing the DEF filler cap
Mount DEF filler cap ; on the filler neck
X
and turn it clockwise.
To close the fuel filler flap, press it in the
X
direction of arrow :.
Drive faster than 10 mph (16 km/h).
X
The Check Additive See Operator's Check Additive See Operator's
Manual Manual message goes out after approx-
imately one minute.
i
If the Check Additive See Opera‐ Check Additive See Opera‐
tor's Manual tor's Manual message continues to be
shown in the multifunction display, you
must add more DEF.
Parking

Important safety notes

G WARNING
Flammable material such as leaves, grass or
twigs may ignite if they come into contact with
hot parts of the exhaust system or exhaust
gas flow. There is a risk of fire.
Park the vehicle so that no flammable mate-
rials come into contact with parts of the vehi-
cle which are hot. Take particular care not to
park on dry grassland or harvested grain
fields.
G WARNING
If you switch off the ignition while driving,
safety-relevant functions are only available
with limitations, or not at all. This could affect,
for example, the power steering and the brake
boosting effect. You will require considerably