Page 8 of 601

Contents
Oxidation catalyst
(diesel engine).............................. 371
Emission control .......................... 372
Coolant temperature .................... 372
At the gas station .............................. 374
Refueling ...................................... 374
Check regularly and
before a long trip.......................... 376
Engine compartment ......................... 378
Hood ............................................ 378
Engine oil ..................................... 380
Transmission fluid level ................ 381
Coolant level ................................ 381
Windshield/rear window
washer system and
headlamp cleaning system* ........ 383
Tires and wheels ................................ 384
Important guidelines .................... 384
Tire care and maintenance........... 385
Direction of rotation ..................... 387
Loading the vehicle ...................... 387
Recommended tire
inflation pressure ......................... 393
Checking tire inflation pressure ... 395
Tire labeling.................................. 406
Load identification ....................... 410DOT, Tire Identification
Number (TIN) ................................ 410
Maximum tire load ........................ 412
Maximum tire inflation pressure ... 412
Uniform Tire Quality Grading
Standards (U.S. vehicles) .............. 413
Tire ply material ............................ 415
Tire and loading terminology......... 415
Rotating tires ................................ 418
Winter driving ..................................... 420
Winter tires ................................... 420
Snow chains.................................. 421
Maintenance....................................... 422
Maintenance service indicator
message ....................................... 422
Calling up the maintenance
service indicator display ............... 424
Resetting the maintenance
service indicator ........................... 424
Vehicle care........................................ 425
Cleaning and care of the vehicle ... 425
Practical hints.................................. 435
What to do if … ................................... 436
Lamps in instrument cluster ......... 436
Lamp in center console ................ 447
Vehicle status messages in
the multifunction display .............. 449
Where will I find ...? ............................ 490
First aid kit.................................... 490
Vehicle tool kit.............................. 490
Spare wheel .................................. 494
Unlocking/locking in an emergency .. 496
Unlocking the vehicle ................... 496
Locking the vehicle ....................... 497
Fuel filler flap ................................ 497
Resetting activated head restraints.... 499
Vehicles without Rear seat
entertainment system*................. 499
Vehicles with Rear seat
entertainment system*................. 500
Replacing SmartKey batteries ............ 502
Replacing bulbs .................................. 504
Bulbs............................................. 504
Replacing bulbs for front lamps .... 507
Replacing bulbs for rear lamps ..... 511
Adjusting headlamp aim ............... 514
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Page 316 of 601

315 Controls in detail
Useful features
Useful features
Storage compartments Glove box/CD changer
1Glove box lid release
2Glove box lid
Opening the glove box
Pull lid release1 in direction of arrow.
Glove box lid2 opens downward.
Closing the glove box
Push glove box lid2 up to close.Releasing CD changer
1Release button
2AUX-socket (Vehicles without Rear
Seat Entertainment System*)
3CD changer
Open the glove box (page 315).
Press release button1.
CD changer3 is released and swings
down automatically.
For information on CD changer operation,
see separate COMAND system operating
instructions.
Warning!G
To help avoid personal injury during a colli-
sion or sudden maneuver, exercise care
when storing objects in the vehicle. Put lug-
gage or cargo in the cargo compartment if
possible. Do not pile luggage or cargo higher
than the seat backs.
If so equipped, always use the cargo net*
when transporting cargo. The cargo net*
cannot secure hard or heavy objects.
Parcel nets cannot secure hard or heavy ob-
jects.
Keep compartment lids closed. This will help
to prevent stored objects from being thrown
about and injuring vehicle occupants during
braking
vehicle maneuvers
an accident
iDepending on vehicle equipment, an
AUX-socket is located in the glove box.
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Page 501 of 601
500 Practical hints
Resetting activated head restraints
Repeat this procedure on the active
head restraint for the second front
seat.
For information on active head restraints,
see “Active head restraint” (
page 90).
For information on head restraint adjust-
ment, see “Seats” (
page 45).Vehicles with Rear seat entertainment
system*
Take the reset tool out of the
Mercedes-Benz vehicle literature
pouch.
1Reset tool
2Active head restraint1Reset tool
2Active head restraint
3Rectangular opening
Guide reset tool1 into rectangular
opening3 of active head restraint2.
Press reset tool1 downward in
direction of arrow until you hear the
head restraint release mechanism
audibly disengage.
Pull out reset tool1.
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