Mercedes-benz 2013 E Class Coupe User Manual download pdf (Page 183)

residues crystallize after time and

contaminate the affected surfaces.

!

DEF is not a fuel additive and must not be

added to the fuel tank. If DEF is added to

the fuel tank, this can lead to engine

damage.

!

Only screw on the DEF refill bottle hand-

tight. It could otherwise be damaged.

The DEF filler neck is under the trunk floor.

X

Switch the ignition off.

X

Open the trunk.

X

Lift up the trunk floor (Y page 312).

X

Turn DEF cap : counter-clockwise and

remove it.

X

Turn DEF filler cap ; counter-clockwise

and open it.

Filler cap ; is secured with a plastic strip.

X

Unscrew the protective cap from DEF refill

bottle =.

X

Position DEF refill bottle = as shown on

the filler neck and screw it on hand-tight.

X

Press DEF refill bottle = downwards.

The DEF tank is filled. This may take up to

one minute.

i

To top up between service intervals, fill

the DEF tank with approximately 1 gal

(3.8 l) DEF. 1 gal (3.8 l) DEF is equivalent to

approximately 2 DEF refill bottles. Then

have the DEF supply checked at a qualified

specialist workshop and completely refilled

if necessary.

X

Release DEF refill bottle =.

When DEF refill bottle = is no longer

pressed down, filling stops. DEF refill bottle

= can be removed when it has been only

partially emptied.

X

Turn DEF refill bottle = counter-clockwise

and remove it.

X

Mount DEF filler cap ; on the filler neck

and turn it clockwise.

Refueling

181

Driving and parking

Z

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