329 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
message
The maintenance service indicator will
notify you when the next maintenance ser-
vice 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 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 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.
330 OperationMaintenance
Clearing the maintenance service
indicator
The maintenance service indicator mes-
sage is automatically cleared
after approximately 10 seconds, when
you switch on the ignition or when
reaching the service threshold while
driving
after approximately 30 seconds, once
the suggested maintenance service
term has passed
You can also clear it yourself.
1Reset button
Press the reset button1 on the
instrument cluster.
The maintenance service indicator
message is cleared and the standard
display appears in the multifunction
display (
page 147).
Maintenance service term exceeded
If you have exceeded the suggested
maintenance service term, you will see the
following message in the multifunction
display:
Service A exceeded by XXXXX Miles (km)
Service A exceeded by XXX Days
Service A exceeded by X DayIn addition, a signal sounds when the
message appears.
Any authorized Mercedes-Benz Center will
reset the maintenance service indicator
following a completed maintenance
service.
i
Vehicles equipped with Maintenance Sys-
tem only (U.S. vehicles. Canada vehicles, de-
pending on 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.
i
Vehicles equipped with FSS PLUS (F
lexible
S
ervice S
ystem PLUS) only (Canada vehicles, de-
pending on production date):
FSS PLUS evaluates engine temperature, oil
level, vehicle speed, engine speed, distance
driven and the time elapsed since the last
service and calculates other maintenance
service work required.
The interval between maintenance services
depends on your driving habits. A gentle driv-
ing style, moderate engine speeds and the
avoidance of short-distance trips will length-
en the interval between services.
331 Operation
Maintenance
Calling up the maintenance service indicator
You can call up the maintenance service in-
dicator display, in the multifunction dis-
play, every time, to check when the next
maintenance service is due.
Switch on the ignition (
page 38).
The standard display of the control sys-
tem appears (
page 147).
Press buttonè orÿ on the mul-
tifunction steering wheel repeatedly
until the standard display appears in
the multifunction display (
page 141).
Press buttonk or j until the
maintenance service indicator display
with the service symbol9 and the
service deadline appears in the multi-
function display.Resetting the maintenance service
indicator
In the event that the maintenance service
on your vehicle is not carried out by an au-
thorized Mercedes-Benz Center, you can
have the maintenance service indicator re-
set. The automotive maintenance facility
carrying out the maintenance service will
find the information for resetting the main-
tenance service indicator in the mainte-
nance-relevant literature for your vehicle.
Such literature is available from either your
authorized Mercedes-Benz Center or
directly from Mercedes-Benz.
i
The menu overview can be found on
(
page 145).
i
If the battery is disconnected, the days of
disconnection will not be included in the count
shown by the maintenance service indicator. To
arrive at the true maintenance service deadline,
you will need to subtract these days from the
days shown in the maintenance service indicator
message or the maintenance service indicator
display.
Do not confuse the maintenance service indica-
tor with the engine oil level indicator:.
i
If the maintenance service indicator was in-
advertently reset, have an authorized
Mercedes-Benz Center correct it.
Only reset if the proper maintenance service has
been performed. Resetting the system without
performing the proper service as called for by
the maintenance service indicator will result in
engine damage and/or other vehicle damage not
covered by the Mercedes-Benz Limited
Warranty.
345 Practical hints
What to do if …
Problem
Possible cause/consequence
Suggested solution
ú
(USA only)
±
(Canada only)
The yellow engine malfunction
indicator lamp comes on while
driving.
There is a malfunction in:
The fuel management system
The ignition system
The emission control system
Systems which affect emissions
Such malfunctions may result in excessive
emissions values and may switch the engine
to its limp-home (emergency operation)
mode.
Have the vehicle checked as soon as
possible by an authorized
Mercedes-Benz Center.
An on-board diagnostic connector is
used by the service station to link the
vehicle to the shop diagnostics system.
It allows the accurate identification of
system malfunctions through the read-
out of diagnostic trouble codes. It is
located in the front left area of the foot-
well next to the parking brake.
i
Some states may by law require you to con-
tact a workshop immediately as soon as the en-
gine malfunction indicator lamp comes on.
Check local requirements.
376 Practical hintsWhat to do if …Display symbol
Display messages
Possible cause/consequence
Possible solution
Z
The cooling fan for the coolant is
malfunctioning.
Observe the coolant temperature indicator in the
instrument cluster (
page 26).
If the coolant temperature is under 120°C, you may
continue driving to an authorized Mercedes-Benz
Center.
Avoid placing heavy loads on the engine (e.g. by
driving uphill) as well as stop-and-go traffic.
Have the fan replaced as soon as possible.
±
Display malfunction
Visit workshop
Certain electronic systems are
unable to relay information to
the control system. The follow-
ing systems may have failed:
Coolant temperature display
Tachometer
Cruise control display
Have the electronic systems checked by an autho-
rized Mercedes-Benz Center.
Engine
Service
There may be a malfunction in:
the fuel injection system
the ignition system
the exhaust system
Have the engine checked as soon as possible by an
authorized Mercedes-Benz Center.
460 IndexControl system submenus
Convenience 165
Instrument cluster 157
Lighting 161
Time/Date 159
Vehicle 164
Convenience submenu 165
Activating easy-entry/exit
feature* 166
Setting parking position for exterior
rear view mirror 166
Coolant
Checking level 290
Messages in display 373, 374, 375
Temperature 282
Temperature indicator 139
Warning lamp 347
Corner-illuminating front fog lamps* 132
Cruise control 215
Canceling 217
Driving downhill 216
Driving uphill 216
Fine adjustment 218
Lever 224
Saving current speed 216
Setting speed 216Cruise control lever 215, 224
Cup holders 247
Curb weight 323
D
Date display, setting 160, 161
Daytime running lamp mode 130
Setting 161
Deceleration
With Distronic* 222
Deep water see Standing water
Defogging windshield 199
Defrosting
Front 199
Rear window 189
Delayed shut-off
Exterior lamps 163
Interior lighting 164
Department of Transportation see DOT
Dialing
A number (telephone) 170
Difficulties
While driving 58
With starting 52
Digital clock see Clock
Digital speedometer 147Dimensions, vehicle 448
Direction of rotation (tires) 295
Displays
Digital speedometer 147
Distronic* 221
Maintenance service indicator
message 329
Messages in display 356
Multifunction display 141
Outside temperature 141, 158
Selecting 158
Symbol messages 370
Text messages 358
Vehicle status message memory 153
Vehicle system settings, Control
system 154
Distance
Decreasing in Distronic* 227
Increasing in Distronic* 227
Warning function 227
Distance to empty (range)
Trip computer 167
463 Index
Flexible Service System see FSS PLUS
Floormats 253
Fluids
Automatic transmission fluid 449
Brake fluid 450
Capacities 449
Engine coolant 450
Engine oil 449
Power steering fluid 450
Windshield washer and headlamp
cleaning system 450
Fog lamp, rear 131
Fog lamps 131
Messages in display 380, 381, 382,
383, 384
Fog lamps, front
Corner-illuminating* 132
Switching on 131
Front air bags 69
Front lamps see Headlamps
Front passenger front air bag
Messages in display 353
Front passenger front air bag off indicator
lamp 70, 75Front seat head restraints see Head re-
straints
FSS PLUS (Canada vehicles) 330
Fuel
Additives 453
Capacities, Fuel tank 450
Filler flap and cap 283
Filling the tank 283
Fuel reserve warning lamp 348
Premium unleaded gasoline 284
Requirements
Gasoline additives 453
Premium unleaded gasoline 452
Fuel consumption statistics
Since last reset 167
Since start 167
Fuel filler flap 283
Locking/unlocking 283
Opening 283
Fuel tank
Capacity 283
Filler flap 283
Fuels, coolants, lubricants etc. 449
Fuse box in trunk 429Fuses 428
Aids for replacing fuses 428
Fuse box (main) in passenger
compartment 429
Fuse box in trunk 429
Fuse chart 428
Fuse extractor 428
Replacing 428
Spare fuses 428
G
Garage door opener 263
Gasoline see Fuel
GAWR 323
Gear range
Automatic transmission 176
Limiting 176
Shifting into optimal 179, 181
Gear selector lever 171
Cleaning 339
Gearshift pattern 171
Lock 51
Position 172, 173
Shifting procedure 172
Unlocking in an emergency 398
467 Index
Lighting 128
Automatic headlamp mode 129
Combination switch 132
Daytime running lamp mode 130
Door entry lamps 137
Exterior lamp switch 128
Front fog lamps 131
High beams 132
Instrument cluster illumination 138
Interior 135
Locator lighting 131
Low beam 128
Manual headlamp mode 129
Night security illumination 131
Parking lamps 128
Rear fog lamp 131
Settings (control system) 161
Trunk lamp 137
Limp-home mode 184
Loading see Vehicle loading
Loading the vehicle 296Locator lighting 131, 162
Lock button (KEYLESS-GO*)
Door handle 62
Trunk lid 109
Locking the vehicle 59
In an emergency 397
Locking/Unlocking, SmartKey 36, 104
Locking/Unlocking, SmartKey with
KEYLESS-GO* 37
Loss of
Key, Mechanical 110
Key, SmartKey 110
Key, SmartKey with
KEYLESS-GO* 110
Loss of Service and Warranty Information
Booklet 433
Low beam headlamps 55
Replacing bulbs 408
Switching on 55
Lubricants 449
Lumbar support 121M
Main Dimensions 448
Maintenance 12
Calling up service indicator 331
Clearing service indicator
message 330
FSS PLUS (Canada vehicles) 330
Maintenance System 330
Resetting service indicator 331
Service indicator message 329
Service term exceeded 330
Manual headlamp mode 129
Manual shift program CLS 63 AMG 181
Deactivating 183
Maximum load rating, Tires 324
Maximum loaded vehicle weight 324
Maximum tire inflation pressure 324
Mechanical key 396
Memory functions 125
Menus see Control system menus
Microphone, Hands-free 31