Mercedes-Benz M-Class 2006 Owners Manual - Manual (Page 411)

410
Practical hints
What to do if …
Display symbol Display messages Possible cause Possible solution
? (USA only)
± (Canada only)
Visit workshop There may be a malfunction in
the:
ț Fuel injection system
ț Ignition system
ț Exhaust system
ț Fuel system
̈ Have the measuring system checked by
an authorized Mercedes-Benz Light Truck
Center.
B Coolant
Check level The coolant level is too low. ̈ Add coolant ( ୴ page 332).
̈ If you have to add coolant frequently,
have the cooling system checked by an
authorized Mercedes-Benz Light Truck
Center.
Warning!
G
Do not spill antifreeze on hot engine parts.
Antifreeze contains ethylene glycol which
may burn if it comes into contact with hot
engine parts. You can be seriously burned.
!
Do not ignore the low engine coolant
level warning. Extended driving with
the message and symbol displayed
may cause serious engine damage not
covered by the Mercedes-Benz Limited
Warranty.
Do not drive without sufficient amount
of coolant in the cooling system. The
engine will overheat causing major en-
gine damage.