439 Practical hints
What to do if …
Display symbol
Display messages
Possible cause/consequence
Possible solution
A
Check gas cap
See Operator’s Manual
A loss of pressure has been
detected in the fuel system. The
fuel cap may not be closed
properly or the fuel system may
be leaky.
Check the fuel cap (
page 342).
If it is not closed properly:
Close the fuel cap.
If it is closed properly:
Have the fuel system checked by an
authorized Mercedes-Benz Light Truck
Center.
a
Hood open
Trunk open
You are driving with the hood or
the tailgate open.
Close the hood (
page 345) or the
tailgate (
page 124).
You are trying to lock the vehicle
with the KEYLESS-GO* function
with a door or the tailgate open.
Close all doors and/or the tailgate
(page 124).
481 Practical hints
Flat tire
Removing the wheel
1Alignment bolt
Unscrew upper-most wheel bolt and
remove.
Replace this wheel bolt with alignment
bolt1 supplied in the vehicle tool kit
(page 454).
Remove the remaining wheel bolts.
Remove the wheel.Mounting the spare wheel
1Wheel bolt for 18" and 19" light alloy
wheels
2Wheel bolt for 17" light alloy wheels or
collapsible tire (located in trunk with
spare wheel)
Warning!
G
The jack is intended only for lifting the
vehicle briefly for wheel changes. It is not
suited for performing maintenance work
under the vehicle.
Never start the engine when the vehicle
is raised.
Never lie down under the raised vehicle.
!Do not place wheel bolts in sand or dirt.
This could result in damage to the bolts
and wheel hub threads.
!Wheel bolts2 must be used when
mounting the spare wheel with collaps-
ible tire. The use of any wheel bolts oth-
er than wheel bolts2 for the spare
wheel with collapsible tire will physical-
ly damage the vehicle’s brakes.
