Mercedes-Benz M-Class 2012 Owners Manual - Manual (Page 153)

: To open the fuel filler flap
; To insert the fuel filler cap
= Fuel type
? Tire pressure table
Opening
X Switch off the engine.
X Remove the SmartKey from the ignition
lock.
KEYLESS-GO: open the driver’s door. This
switches the ignition to position 0, which
corresponds to having removed the
SmartKey. The driver’s door can be closed
again.
X Press the fuel filler flap in the direction of
arrow :.
The fuel filler flap swings up.
X Turn the fuel filler cap counter-clockwise
and remove it.
X
Insert the fuel filler cap into the holder
bracket on the inside of filler flap ;.
X Completely insert the pump nozzle into the
filler neck and refuel.
X Only fill the tank until the pump nozzle
switches off.
! Overfilling the fuel tank could damage the
fuel system.
Closing
X Replace the fuel filler cap and turn it
clockwise. The fuel filler cap audibly
engages.
X Close the fuel filler flap.
i If you drive with the fuel filler cap open,
reserve fuel warning lamp 8 flashes. In
addition, the ; Check Engine warning
lamp may light up. A message appears in
the multifunction display (
Y
page 257).
For further information on warning and
indicator lamps in the instrument cluster,
see (
Y
page 276).
Refueling
151
Driving
and
parking
Z