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Operation
At the gas station
̈ Remove the SmartKey from the starter
switch.
̈ Open fuel filler flap by pushing at point
indicated by arrow 1.
The fuel filler flap springs open.
̈ Turn fuel filler cap counterclockwise
and hold on to it until possible pressure
is released.
̈ Take off fuel filler cap and set it in di-
rection of arrow 2 in the recess on the
inside of 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.
̈ Replace the fuel filler cap by turning it
clockwise until it audibly engages.
̈ Close the fuel filler flap.
Check regularly and before a long trip
Engine compartment (SLK 350, example)
1 Windshield washer system and head-
lamp cleaning system* reservoir
2 Brake fluid reservoir
3 Coolant expansion tank
Warning! G
Overfilling of the fuel tank may create pres-
sure in the system which could cause a gas
discharge. This could cause the gas to spray
back out when removing the fuel pump noz-
zle, which could cause personal injury.
i
Leaving the engine running and the fuel
cap open can cause the yellow fuel
tank reserve warning lamp to flash and
the ? malfunction indicator lamp
(USA only) or the ± malfunction in-
dicator lamp (Canada only) to illumi-
nate.
For more information, see “Practical
hints” (
୴ page 364).
i
For opening the hood, see “Hood”
(
୴ page 307).