366 OperationMaintenanceWe 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 display.
Failure to have the vehicle maintained in 
accordance with the Maintenance Booklet 
and maintenance service indicator at the 
designated times/mileage will result in ve-
hicle damage not covered by the 
Mercedes-Benz Limited Warranty.Maintenance service indicator 
message
The maintenance service indicator will no-
tify you when the next maintenance ser-
vice is due.
Starting approximately 1 month before 
maintenance service is due, one of the fol-
lowing messages will appear in the multi-
function display while you are driving or 
when you switch on the ignition (example 
service A):Service A in XXXX miles (km)
Service A in XXX 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(approximately 1 hour)
toService H(approximately 8 hours)
Refer to Maintenance Booklet for a listing 
of maintenance services and intervals they 
need to be performed at.
i
Vehicles equipped with Maintenance Sys-
tem only (U.S. vehicles. Canada vehicles, de-
pending on vehicle production date):
The Maintenance System in your vehicle tracks 
distance driven and the time elapsed since the 
last maintenance service and calculates other 
maintenance service work required.