Disconnecting And Removing - Mercedes-Benz 2016 Metris Operator's Manual

connection point in the engine compartment
( page 263).
Y
Have the battery removed at a qualified spe-
R
cialist workshop.
Installation locations
Your vehicle may be equipped with three bat-
teries, depending on the equipment version:
Starter battery in the seat base of the right-
R
hand front seat
Auxiliary battery in the seat base of the right-
R
hand front seat
Additional battery in the seat base of the left-
R
hand front seat

Disconnecting and removing

G
WARNING
During the charging process, a battery produ-
ces hydrogen gas. If a short circuit occurs or
sparks are created, the hydrogen gas can
ignite. There is a risk of an explosion.
Make sure that the positive terminal of a
R
connected battery does not come into con-
tact with vehicle parts.
Never place metal objects or tools on a bat-
R
tery.
It is important that you observe the descri-
R
bed order of the battery terminals when
connecting and disconnecting a battery.
When jump-starting, make sure that the
R
battery poles with identical polarity are
connected.
It is particularly important to observe the
R
described order when connecting and dis-
connecting the jumper cables.
Never connect or disconnect the battery
R
terminals while the engine is running.
G
WARNING
Battery acid is caustic. There is a risk of injury.
Avoid contact with skin, eyes or clothing. Do
not inhale any battery gases. Do not lean over
the battery. Keep children away from batter-
ies. Wash away battery acid immediately with
plenty of clean water and seek medical atten-
tion.
!
You should have all work involving the bat-
tery carried out at a qualified specialist work-
shop.
If, in exceptional circumstances, you need to
disconnect the battery yourself, please make
sure that:
Secure the vehicle to prevent it from rolling
R
away.
You have switched off the engine and
R
removed the key. Make sure the ignition is
switched off. Check to see that there are no
indicator lamps lighting in the instrument
cluster. Electronic components such as the
alternator may otherwise be damaged.
After the battery has been disconnected,
R
the parking brake is automatically
engaged. You can then no longer move the
vehicle.
For vehicles with automatic transmission,
R
the transmission is locked in position P
after disconnecting the battery. You can
then no longer move the vehicle.
You have first removed the negative termi-
R
nal and then the positive terminal. Never
mix up the terminal clamp disconnection/
connection order and never mix up the ter-
minal clamps. The vehicle's electronics
may otherwise be damaged.
The battery and the cover of the positive ter-
minal clamp must be installed securely during
operation.
Seat base (example: right-hand front seat)
The following description on disconnecting and
removing the battery is based upon the example
of the starter battery in the seat base of the
driver's seat. The additional battery is discon-
nected and removed in the same way as the
Battery
251
Z