Page 329 of 424

323 Contents - Practical hints
Te ch n ica l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index
Practical hintsFirst aid kit .....................................324
Fuses ................................................325
Shelf below rear window ..............327
Hood .................................................328
Checking engine oil level ............. 331
Automatic transmission
fluid level ...................................332
Active body control
(ABC) fluid level ........................332
Coolant level ...................................333
Adding coolant ...........................333
Windshield and headlamp
washer system ...........................334Windshield and headlamp
washer fluid mixing ratio ........ 334
Spare wheel, vehicle tools,
storage compartment ............... 335
Jack .................................................. 336
Wheels ............................................ 337
Tire Replacement ....................... 337
Rotating wheels ......................... 338
Spare wheel .................................... 338
Changing wheels ........................... 340
Tire inflation pressure ................. 345
Battery ............................................. 346
Jump starting ................................. 349
Towing the vehicle ........................ 351Exterior lamps ................................354
Headlamp assembly ...................355
Taillamp assemblies ..................358
Standby bulb function ................... 361
Changing batteries
in the electronic main key ......363
Synchronizing
remote control ............................365
Changing batteries
in the KEYLESS-GO-card .........366
Emergency engine
shut-down ..................................368
Fuel filler f lap,
manual release ..........................368
Emergency operation of
sliding/pop-up roof ...................369
Replacing wiper blades .................370
Trunk lamp ..................................... 371
Roof rack .........................................372
Page 357 of 424

351 Towing the vehicle
Te ch n ica l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index Towing the vehicleImportant!
When towing the vehicle, please, note the following:
With the automatic central locking activated and the
electronic key in starter switch position 2 (vehicles with
KEYLESS-GO: in “On” position, see page 224), the
vehicle doors lock if the left front wheel as well as the
rig ht rear wh eel a re turning a t vehicle speeds of approx.
9 mph (15 km/h) or more.
To prevent the vehicle door locks from locking,
deactivate the automatic central locking. See
“VEHICLE” under “Individual settings” on page 144.
Towing of the vehicle should only be done using the
properly installed towing eye bolt. Never attach tow
cable, tow rope or tow rod to vehicle chassis, frame
or suspension parts.
Note:
The selec tor lever will rem ain l ocked in position “P” and
the electronic key could not be turned in the starter
switch if the battery is disconnected or discharged. See
battery on page 346 or jump starting on page 349.
Wa r n i n g !
Prior to towing the vehicle with all wheels on the
ground, make certain that the electronic key is in
starter switch position 2.If the electronic key is left in the starter switch
position 0 for an extended period of time, it can no
longer be turned in the switch. In this case, the
steering i s locked. To unlock, rem ove elec tronic key
from starter switch and reinsert.
Page 372 of 424
366 KEYLESS-GO-card
Te ch n ica l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index
Changing batteries in the KEYLESS-GO-cardChecking batteries
Briefly press button (1). The indicator lamp “Unlock
driver’s door” (2) or “Global Unlock” (3) should come on
red or green.
Change batteries if indicator lamps do not illuminate,
see page 367.
P80.30-2027-26
1
2
3
Page 373 of 424
367 KEYLESS-GO-card
Te ch n ica l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index Changing batteries
Pry open cover (1) (e.g. by using a narrow blade screw
driver) and remove batteries.
Install new batteries as indicated by the “+” and “-”
markings in the KEYLESS-GO-card.Important!
Batteries contain materials that can harm the
environment if disposed of improperly. Recycling of
batteries is the preferred method of disposal. For
disposal, please follow manufacturer’s recommendation
on battery package.
Replacement batteries:
Lithium, type CR 2025 or equivalent.
Page 374 of 424
368 Emergency engine shut-down
Te ch n ica l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index
Emergency engine shut-down
If the engine can no longer be stopped using the
electronic key or the start-/stop button (vehicles with
KEYLESS-GO), the engine can be turned off by
withdrawing two fuses.
For easy removal of fuses use the fuse extractor
(supplied with vehicle tool kit) to pull out the fuses
marked on the fuse chart as “ENGINE EMERGENCY
OFF”.
The fuse chart is also located in the vehicle tool kit,
see page 335.
For fuses see page 325.Fuel filler flap, manual release
Remove the battery cover (see page 346) and the trim
inside the trunk on the right-hand side. Pull the release
knob (arrow) and open the fuel filler f lap.
Page 381 of 424

375 Cleaning and care of the vehicle
Te ch n ica l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar careIndex Scratches, corrosive deposits, corrosion or damage due
to negligent or incorrect care cannot always be removed
or repaired with the car-care products recommended
here. In such cases it is best to seek aid at your
authorized Mercedes-Benz Center.
The following topics deal with the cleaning and care of
your veh icl e a nd give importa nt “how-to” informa tion as
well as references to Mercedes-Benz approved car-care
products.
Ad d it i on a l i n f or m a t i on c a n b e f ou nd i n t h e b oo k l e t ti t l e d
“Vehicle Care Guide”.Powe r w as h e r
When using a power washer for cleaning the vehicle
always observe manufacturer’s operating instructions.
Note:
Ve h i c l e s w i t h K EY L E S S - G O :
If a door handle is hit by a strong jet of water, and a
KEYLESS-GO-card is in close proximity, approx. 3 ft.
(approx. 1m), the vehicle could be inadvertently locked
or unlocked.
Caution!
Never use a round nozzle to power wash tires. The
intense jet of water can result in damage to the tire.
Always replace a damaged tire.
Always keep the jet of water moving across the surface.
Do not aim directly at electrical parts, electrical
connectors, seals, or other rubber parts.
Page 383 of 424

377 Cleaning and care of the vehicle
Te ch n ica l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar careIndex Due to the width of the vehicle, prior to running the
vehicle through an automatic car wash, fold back the
outside mirrors to prevent them from getting damaged.
In the winter, thoroughly remove all traces of road salt
as soon as possible.
When washing the underbody, do not forget to clean the
inner sides of the wheels.
Note:
Ve h i c l e s w i t h K EY L E S S - G O :
If a door handle is hit by a strong jet of water, and a
KEYLESS-GO-card is in close proximity, approx 3 ft.
(approx.1m), the vehicle could be inadvertently locked
or unlocked.Ornamental moldings
For regular cleaning and care of very dirty chrome-
plated parts, use a chrome cleaner.
Headlamps, taillamps, turn signal lenses
Use a mild car wash detergent, such as Mercedes-Benz
approved Car Shampoo, with plenty of water.
To prevent scratches, never apply strong force and use
only a soft, non-scratchy cloth when cleaning the lenses.
Do not attempt to wipe dirty lenses with a dry cloth or
sponge.
Page 408 of 424

402 Index
Te ch n ica l
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car careIndex
Residual engine heat utilization ............................ 174
Special settings ......................................................... 169
Switching on and off ................................................ 175
Windows fogged on the inside ................................ 170
Windows fogged on the outside .............................. 171
Automatic transmission ...............................................229
Emergency operation ...............................................237
Fluid level ...................................................................332
Program mode selector switch ...............................236
Selector lever position ..............................................232
BBabySmart
TM airbag deactivation system ..................... 88
Self-test ......................................................................... 89
Backrest ............................................................................. 72
BAS (Brake assist system) ............................................268
Battery .............................................................................346
Battery recycling .......................................................348
BATTERY/ALTERNATOR -
malfunction and warning messages ......................299
Block heater ....................................................................249
BRAKE ASSIST - malfunction
and warning messages ............................................300
Brake assist system (BAS) ............................................268Brake fluid ...........................................240, 292, 393, 395
BRAKE FLUID -
malfunction and warning messages ......................301
BRAKE LINING WEAR -
malfunction and warning messages ......................301
Brake pad wear ...............................................................301
Brake warning lamp ..................................................... 292
Brake fluid low ......................................................... 292
Brakes ...................................................238, 240, 268, 272
CCapacities
Fuels, coolants, lubricants etc. .............................. 393
Card, KEYLESS-GO ..........................................................28
Cargo tie-down hooks ................................................... 200
Catalytic converter ........................................................ 220
Center console .................................................................. 24
Center console lighting ................................................. 185
Central locking switch .................................................... 50
Central locking system .................................................... 34
Automatic central locking .........................................52
Central locking switch ............................................... 50
Choosing global or selective mode .....................37, 43
Electronic main key .................................................... 29