337 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 indi-
cator.Maintenance service indicator 
message
The maintenance service indicator 
message will notify you when the 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 Due In XXXXX Miles (Km)
Service A Due In XXX Days
Service A Due In X Day
Service A Due Now
The 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 
estimated time needed to perform the 
maintenance service, ranging:
from
Service A
(approximately 1 hour)
to
Service H
(approximately 8 hours)
Refer to Maintenance Booklet for a listing 
of maintenance services and intervals the 
need to be performed at.
!Failure to have the vehicle maintained in 
accordance with the Maintenance Booklet and 
the maintenance service indicator at the 
designated times/mileage will result in vehicle 
damage not covered by the Mercedes-Benz 
Limited Warranty.
iThe Maintenance System in your vehicle 
tracks distance driven and the time elapsed 
since the last maintenance service and calcu-
lates other maintenance service work required.