165 Controls in detail
Retractable hardtop
Indicator lamp in the retractable hard-
top switch lights when vehicle is 
stopped
If the indicator lamp in the retractable 
hardtop switch lights while the vehicle is 
standing still and the switch was not acti-
vated, then the retractable hardtop is not 
locked.
Properly lock the retractable hardtop 
(page 162) before continuing to 
drive.
The retractable hardtop will not lock
There is a malfunction in the retractable 
hardtop system.
Notify an authorized Mercedes-Benz 
Center.Wind screen
The wind screen deflects drafts away from 
the driver and passenger when the hardtop 
is lowered. It is stored in a separate stor-
age bag.
Installing
Leave the wind screen folded and place 
it on the roll bar.1Guide tabs
Slide the wind screen into the roll bar 
until the guide taps on each side latch 
underneath the roll bar. Make sure that 
the fastening straps do not get caught.
Raise the roll bar slightly (
page 61).
Warning!
G
The wind screen can restrict the driver’s vi-
sion to the rear of the vehicle. To prevent a 
possible accident when visibility is limited 
(e.g. in darkness), the upper part of the wind 
screen should be folded back. 
225 Operation
At the gas station
At the gas station
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 or the KEYLESS-GO* 
card automatically locks/unlocks the fuel 
filler flap.
Remove the key 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.
Only fill your tank until the filler nozzle 
unit cuts out – do not top up or over-
fill. 
Replace the fuel cap by turning it to the 
right. 
You will hear when the fuel cap is tight-
ened.
Close the fuel filler flap. 
You should hear the latch close shut.
Warning!
G
Gasoline is highly flammable and poisonous. 
It burns violently and can cause serious inju-
ry. Whenever you are around gasoline, avoid 
inhaling fumes and skin contact, extinguish 
all smoking materials. Never allow sparks, 
flame or smoking materials near gasoline! 
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.
iOnly use premium unleaded gasoline 
with a minimum Posted Octane Rating 
of 91  (average of 96 RON / 86 MON). 
Information on gasoline quality can 
normally be found on the fuel pump.
More information on gasoline can be 
found in the “Technical data” section 
(page 344).
iLeaving the engine running and the fuel 
cap open can cause the 
? 
lamp to 
illuminate.
More information can be found in the 
“Practical hints” section (
page 256).