Flat tire
MOExtended tires ..........................275
Preparing the vehicle .....................275
TIREFIT kit ...................................... 276
see Emergency spare wheel
Floormat ............................................ .258
Fog lamps Extended range .............................. 100
Switching on/off .............................. 97
Folding table ...................................... 232
Front fog lamps Display message ............................ 204
Switching on/off .............................. 97
Front-passenger seat
Folding the backrestf orward/
back ............................................... 233
Fuel
Additives ........................................ 326
Consumption statistics ..................182
Displaying the current
consumption .................................. 183
Displaying the range ......................183
Driving tips .................................... 144
Fuel gauge ....................................... 27
Grade (gasoline) ............................ 325
Important safety notes ..................324
Premium-grade unleaded gasoline .325
Problem (malfunction) ...................141
Refueling ........................................ 139
Tank content/reserve fuel .............325
Fuel filler flap
Opening/closing ............................ 140
Fuel level
Calling up the range (on-board
computer) ...................................... 183
Fuel tank
Capacity ........................................ 325
Problem (malfunction) ...................141
Fuses
Allocation chart ............................. 288
Before changing ............................. 288
Fuse box in the engine
compartment ................................. 288
Fuse box in the front-passenger
footwell .......................................... 288
Important safety notes ..................287 G
Garage door opener Clearing the memory .....................256
Important safety notes ..................253
Opening/closing the garage door ..256
Programming (button in the rear-
view mirror) ................................... 254
Gear or selector lever (cleaning
guidelines) ......................................... 270
Genuine Mercedes-Benz parts .........322
Glove box ........................................... 231 H
Handbrake see Parking brake
Hazard warning lamps ........................99
Headlamps Adding fluid to cleaning system .....263
Cleaning system (capacity )............ 329
Cleaning system (function) ..............99
Cleaning system (notes) ................328
Fogging up ..................................... 101
see Automatic headlamp mode
Head restraints
Adjusting ......................................... 87
Adjusting (electrically). ....................87
Adjusting (manually). .......................87
Adjusting (rear) ................................ 87
Installing/removing (rear) ................88
Heating
see Climate control
High-beam headlamps
Changing bulbs .............................. 105
Display message ............................ 204
Switching Adaptive Highbeam
Assist on/off ................................. 100
Switching on/off .............................. 98
Hill start assist .................................. 128
HOLD function Deactivating ................................... 161
Display message ............................ 209
Function/notes ............................. 160
Hood
Closing .......................................... .261
Display message ............................ 217
Opening ......................................... 26010
Index
G
WARNING
Fuel is poisonous and hazardous to health.
There is a risk of injury.
You must make sure that fuel does not come
into contact with your skin, eyes or clothing
and that it is not swallowed.D o not inhale fuel
vapors. Keep fuel away from children.
If you or others come into contact with fuel,
observe the following:
R Wash away fuel from skin immediately
using soap and water.
R If fuel comes into contact with your eyes,
immediately rinse them thoroughly with
clean water. Seek medical assistance
without delay.
R If fuel is swallowed, seek medical
assistance without delay. Do not induce
vomiting.
R Immediately change out of clothing which
has come into contact with fuel.
Tank capacity Model Total
capacity B2
50 BlueEFFICIENCY 13.2 US gal
(50.0 l) Model Of which
reserve B2
50 BlueEFFICIENCY Approx.
1.6 US gal (6.0 l) Gasoline
Fuel grade
!
Do not use diesel to refuel vehicles with a
gasoline engine. Do not switch on the
ignition if you accidentally refuel with the
wrong fuel. Otherwise, the fuel will enter
the fuel system. Even small amounts of the
wrong fuel could result in damage to the
fuel system and the engine. The repair costs are high. Notify
aqualified specialist
workshop and have the fuel tan kand fuel
lines drained completely.
! You should only refuel with unleaded
premium-grade gasoline as thi savoids
damaging the catalytic converter.
If engine running problems are apparent,
have the cause checked immediately and
repaired.E xcess unburned fuel can
otherwise enter the catalytic converter,
leading to overheating and possibly
causing a fire.
! To ensure the longevity and full
performance of the engine, only premium-
grade unleaded gasoline may be used.
If there is no premium-grade unleaded
gasoline available and regular unleaded
gasoline must be used, please observe the
following precautions:
R only fill the fuel tank to half full with
regular unleaded gasoline and fill the rest
with premium-grade unleaded gasoline
as soo nas possible.
R do not drive at the maximum speed.
R avoid sudden acceleration.
R if the vehicle is carrying a light load, e.g.
two passengers without luggage, do not
allow the engine to rev above 3000 rpm.
R if the vehicle is fully loaded or is being
operated in mountainous terrain, do not
depress the accelerator pedal further
than Ôof the pedal travel.
Only refuel using premium-grade unleaded
gasoline with a minimum octane rating of 91.
Reformulated Gasoline (RFG) and/or
unleaded gasoline with additives can be used.
The concentration of additives in the fuel,
however, must not exceed 10%, e.g.:
R Ethanol
R TAME
R ETBE
R IPA
R TBA Service products and filling capacities
325Technical data Z
