339 Operation
Maintenance
Maintenance
We strongly recommend that you have 
your vehicle serviced by an authorized 
Mercedes-Benz Center, in accordance with 
the Maintenance Booklet at the times 
called for by the maintenance service 
indicator.
Failure to have the vehicle maintained in 
accordance with the Maintenance Booklet 
and maintenance service indicator at the 
designated times /mileage will result in 
vehicle damage not covered by the 
Mercedes-Benz Limited Warranty.Maintenance service indicator mes-
sage
The maintenance service indicator will 
notify you when your next maintenance 
service is due.
Starting approximately 1 month before the 
next maintenance service is due, one of 
the following messages will appear in the 
multifunction display while you are driving 
or when you switch on the ignition (exam-
ple service A):Service A in XXXX Miles (km)
Service A in XX Days 
Service A in X Day 
Service A due nowThe maintenance services will be indicated 
by showing a service type A through type H 
in the multifunction display. Types A 
through H are classified based on estimat-
ed time needed to perform the mainte-
nance service, ranging:
from
Service A
(approx. 1 hour)
toService H(approx. 8 hours)
Refer to Maintenance Booklet for a listing 
of maintenance services and intervals they 
need to be performed at.
iVehicles equipped with FSS PLUS 
(Flexible S
ervice S
ystem PLUS) only 
(Canada vehicles): The interval be-
tween maintenance services depends 
on your driving habits. A gentle driving 
style, moderate engine speeds and the 
avoidance of short-distance trips will 
lengthen the interval between services.