299 Operation
At the gas station
At the gas station
Refueling
The fuel filler flap is located on the 
right-hand side of the vehicle towards the 
rear. Locking / unlocking the vehicle with 
the remote control automatically 
locks / unlocks the fuel filler flap.
Turn the engine off 
by turning the SmartKey to 
position0. 
by pressing the KEYLESS-GO* 
start/stop button. Open the driv-
er’s door (with the driver’s door 
open, starter switch is now in 
position0, same as SmartKey re-
moved from starter switch).
Remove the SmartKey from the starter 
switch.
Open the fuel filler flap by pushing at 
the point indicated by the arrow.
The fuel filler flap springs open.
Turn the fuel cap to the left and hold on 
to it until possible pressure is released.
Take off the cap and set it in the recess 
on the fuel filler flap.
To prevent fuel vapors from escaping 
into open air, fully insert filler nozzle 
unit.
Only fill your tank until the filler nozzle 
unit cuts out – do not top up or over-
fill.
Warning!
G
Gasoline and diesel fuel are highly flamma-
ble and poisonous. They burn violently and 
can cause serious injury. Whenever you are 
around gasoline or diesel fuel, avoid inhaling 
fumes and skin contact, extinguish all smok-
ing materials. Never allow sparks, flame or 
smoking materials near gasoline or diesel 
fuel!
!Diesel engine:
When filling the diesel fuel tank using 
fuel containers, place a filling filter, a 
suede cloth or a clean flannel cloth into 
the filler neck to filter the diesel fuel. 
Otherwise, you could clog the fuel 
lines.
 
500 IndexTrunk
Lamp 141
Message in display 405
Opening 110
Opening from inside 110
Tie-down rings 261
Trunk lid emergency release 117
Unlocking and opening with 
KEYLESS-GO* 108
Unlocking and opening with 
SmartKey 101
Unlocking in an emergency 411
Trunk lid
Closing 112
Turn signals 51
Additional in mirrors 418
Front bulbs 418
Turning off
Engine 56U
Uniform Tire Quality Grading 
Standards 339
Units
Setting speedometer units 157
Setting temperature units 157
Setting tire inflation pressure 
units 159
Unlocking 32, 98, 410
Driver’s door in an emergency 410
Fuel filler flap 299
Global 99
Global with KEYLESS-GO* 105
Selective settings 100, 106
Trunk in an emergency 411
Trunk lid with KEYLESS-GO* 108
Trunk lid with SmartKey 101
Vehicle in an emergency 278
With KEYLESS-GO* 33
With the SmartKey 32
Upgrade signals
Tele Aid* 277
Uphill driving
Cruise control 232
Upshifting 176Useful features 262
Ashtrays 268
Cigarette lighter 269
Garage door opener 279
Heated steering wheel* 270
Tele Aid* 271
Telephone* 270
V
Vehicle
Individual settings 154, 156
Locking in an emergency 411
Lowering 431
Towing 439
Unlocking in an emergency 410
Vehicle capacity weight 339