Mercedes-Benz B-Class Electric Drive 2014 Operator's Manual page 256

Maintenance
254
Example
Park the vehicle on a level surface.
X
Only check the coolant level when the vehi-
cle is on a level surface and the drive sys-
tem has cooled down.
Turn the SmartKey to position 2 in the igni-
X
tion lock ( page 127).
Y
Check the coolant temperature display in
X
the instrument cluster.
The coolant temperature must be below
104 ‡ (40 †).
Turn the SmartKey to position 0 in the igni-
X
tion lock ( page 127).
Y
Slowly turn cap : half a turn counter-
X
clockwise and allow excess pressure to
escape.
Turn cap : further counter-clockwise and
X
remove it.
If the coolant is at the level of marker bar =
in the filler neck when cold, there is enough
coolant in coolant expansion tank ;.
If necessary, add coolant that has been tes-
X
ted and approved by Mercedes-Benz.
Replace cap : and turn it clockwise as far
X
as it will go.
For further information on coolant, see
( page 309).
Y
Windshield washer system
G WARNING
Certain components on the engine may be
very hot. When carrying out work on the
engine there is a risk of injury.
Where possible, let the engine cool down and
touch only the components described in the
following.
G WARNING
Windshield washer concentrate is highly flam-
mable. If it comes into contact with hot com-
ponents in the front compartment, it may
ignite. There is a risk of fire and injury.
Make sure that no windshield washer con-
centrate is spilled next to the filler neck.
Example
To open: pull cap : upwards by the tab.
X
Add the premixed washer fluid.
X
To close: press cap : onto the filler neck
X
until it engages.
The recommended minimum fluid level in the
washer fluid reservoir is 0.26 US gal (1 liter).
If the washer fluid level drops below the rec-
ommended minimum fluid level of 0.26 US gal
(1 liter), a message appears in the multifunc-
tion display prompting you to add washer fluid
( page 214).
Y
Further information on windshield washer
fluid/antifreeze ( page 310).
Y
Maintenance
ASSYST PLUS
Service messages
The ASSYST PLUS service interval display
informs you of the next service due date.