2014 MERCEDES-BENZ SPRINTER auxiliary battery

Problems with the auxiliary heating
Problem Possible causes/consequences and
0050
0050Solutions The indicator lamp on
the remote control
flashes red rapidly. The remote control battery is discharged. Data transmission is not
possible.
X
Replace the remote control battery (Y page 130).The indicator lamp on
the remote control
flashes red and green in
rapid succession. There is no connection between the remote control and the
receiver in the vehicle.
X
Change your position in relation to the vehicle, e.g. hold the
remote control higher or to the side.
X Move closer.
If you cannot establish a connection and the auxiliary heating is
switched on, it can then only be deactivated using the 0084button
(Y page 124). The indicator lamp on
the remote control
flashes red and green in
rapid succession. Several remote controls are being used at the same time.
X
Switch on the remote control again after a short while
(Y page 126). The indicator lamp on
the remote control
flashes red and green in
rapid succession. The remote control is not synchronized.
X
Synchronize the remote control (Y page 126).The indicator lamp on
the remote control
slowly flashes red and
green alternately. The remote control is being synchronized.
X
Wait until the remote control synchronization process is com-
plete (Y page 126). The remote control for
the auxiliary heating
cannot be switched on. The remote control battery is discharged.
X
Replace the remote control battery (Y page 130).The auxiliary heating
does not switch on. The outside temperature is above 39
‡(4 †). The auxiliary heating
switches off automatically. The auxiliary heating
switches off automati-
cally and/or cannot be
switched on. The fuel tank is less than
00C4full. The auxiliary heating switches off
automatically.
X Refuel at the nearest gas station.
X Then, start the auxiliary heating several times until the fuel lines
are full. 132
Operating the auxiliary heating systemClimate control

Problem Possible causes/consequences and
0050
0050Solutions The auxiliary heating
switches off automati-
cally and/or cannot be
switched on. The low-voltage protection system integrated in the control unit
switches off the auxiliary heating because the on-board voltage is
less than 10 V.
X
Have the alternator and battery checked. The auxiliary heating
switches off automati-
cally and/or cannot be
switched on. The fuse is blown.
X
Replace the fuse; see the "Fuse allocation" supplement.
X Have the cause of the blown fuse determined at a qualified spe-
cialist workshop. The auxiliary heating
switches off automati-
cally and/or cannot be
switched on. A malfunction has occurred.
X
Switch the ignition on and off twice.
If the auxiliary heating still cannot be switched on, the heating
device is faulty.
X Have the auxiliary heating checked at a qualified specialist
workshop. The auxiliary heating is
overheated. The coolant level is too low.
X
Check the coolant level and add more coolant if necessary
(Y page 255). Operating the cargo compartment air
vents If your vehicle is equipped with a roof venti-
lator, you can ventilate and extract air from
the cargo compartment. X
Turn the key to position 2in the ignition
lock.
X To activate and extract air: press the
upper section of the 00A8switch.
The roof ventilator removes used air from
the cargo compartment.
X To activate and ventilate: press the lower
section of the 00A7switch.
The roof ventilator feeds fresh air into the
cargo compartment.
X To switch off: set the switch to the middle
position. Operating the cargo compartment air vents
133Climate control Z

Useful information
This Operator's Manual describes all models
as well as standard and optional equipment
of your vehicle that were available at the time
of going to print. Country-specific variations
are possible. Note that your vehicle may not
be equipped with all of the described func-
tions. This also applies to systems and func-
tions relevant to safety.
Read the information on qualified specialist
workshops (Y page 26). Breaking-in notes
The first 1000 miles (1500 km)
New or replaced brake pads and brake disks
only reach their optimum braking effect after
a few hundred miles (a few
hundred kilometers). Until then, compensate
for this by applying greater force to the brake
pedal.
For the service life and economy of your vehi-
cle it is crucial that you break in the engine
with due care.
R Therefore, protect the engine for the first
1000 miles (1500 km) by driving at varying
vehicle and engine speeds.
R Avoid overstraining the vehicle and high
engine speeds during this period, e.g. driv-
ing at full throttle. Do not exceed 00C6of the
maximum speed for each gear.
R Do not change down a gear manually in
order to brake.
R Try to avoid depressing the accelerator
pedal beyond the point of resistance (kick-
down).
R The shift ranges 3,2or 1should only be
engaged when driving slowly, e.g. when
driving in mountainous terrain.
After 1000 miles (1500 km), you can increase
the engine speed gradually and accelerate
the vehicle to full speed. i
You should also observe these notes on
breaking-in if the engine or parts of the
drive train on your vehicle have been
replaced. Driving
Important safety notes
G
WARNING
If you switch off the ignition while driving,
safety-relevant functions are only available
with limitations, or not at all. This could affect,
for example, the power steering and the brake
boosting effect. You will require considerably
more effort to steer and brake. There is a risk
of an accident.
Do not switch off the ignition while driving. G
WARNING
If the parking brake has not been fully
released when driving, the parking brake can:
R overheat and cause a fire
R lose its hold function.
There is a risk of fire and an accident. Release
the parking brake fully before driving off. Battery isolating switch
Important safety notes !
Make sure that the key is in position 0in
the ignition lock and wait at least 20 sec-
onds before disconnecting or connecting
the battery isolating switch. You could oth-
erwise damage electrical system compo-
nents.
You can use the battery isolating switch to
disconnect the power supply to all your vehi-
cle's consumers. This will prevent uncontrol-
led battery discharge caused by off-load cur-
rent consumption.
If your vehicle is equipped with an auxiliary
battery in the engine compartment, you will
need to disconnect both batteries. Only then 136
DrivingDriving and parking

cialist workshop or a special
collection point for used bat-
teries.
Observe the following notes:
R Have the condition of charge checked for
the batteries more frequently if you use the
vehicle mainly for short trips or if you leave
it parked for an extended period.
In order for the batteries to achieve their
maximum possible service life, they must
always be sufficiently charged.
R When replacing a battery, only use batter-
ies that are recommended for use in
Sprinter vehicles.
R Have the battery removed at a qualified
specialist workshop.
R If you intend to leave your vehicle parked
for a long period:
- consult a qualified specialist workshop
or
- switch off the electrical system using the
battery main switch (Y page 136).
i When you park the vehicle, remove the
key if you do not require any electrical con-
sumers. The vehicle will then use very little
energy, thus conserving battery power. Installation locations
Your vehicle may be equipped with three bat-
teries, depending on the equipment version:
R a starter battery in the battery case in the
driver's footwell
R additional battery in the engine compart-
ment
R auxiliary battery under the driver's seat Installing/removing the floor cover-
ing (starter battery)
G
WARNING
Objects in the driver's footwell can restrict the
pedal travel or obstruct a depressed pedal.
The operating and road safety of the vehicle
is jeopardized. There is a risk of an accident.
Make sure that all objects in the vehicle are
stowed correctly, and that they cannot enter
the driver's footwell. Install the floormats
securely and as specified in order to ensure
sufficient clearance for the pedals. Do not use
loose floormats and do not place floormats on
top of one another. X
Switch off all electrical consumers.
X To remove: remove screws 0087and take off
trim 0044.
X Remove floor covering 0043.
X To install: place floor covering 0043in the
driver's footwell.
X Slide floor covering 0043underneath the car-
rier of the accelerator pedal and align it at
the base of the driver's seat and at the door
sill.
Make sure that the floor covering does not
obstruct the accelerator pedal.
X Put trim 0044in place and screw screws 0087
back in. Battery
261Maintenance and care Z

Installing and removing the additional
battery (engine compartment)
Removing the additional battery X
Disconnect the battery (Y page 264).
X Loosen the bolts holding the retainer that
prevents the battery from moving around.
X Remove the battery holder and take out the
battery.
Installing the additional battery X
Insert the battery into the battery case.
X Insert the battery holder.
X Tighten the bolts holding the retainer that
prevents the battery in the engine com-
partment from moving around.
X Connect the battery (Y page 264).Disconnecting and connecting the
auxiliary battery (base of the driver's
seat)
Important safety notes 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.
R Make sure that the positive terminal of a
connected battery does not come into con-
tact with vehicle parts.
R Never place metal objects or tools on a bat-
tery.
R It is important that you observe the descri-
bed order of the battery terminals when
connecting and disconnecting a battery.
R When jump-starting, make sure that the
battery poles with identical polarity are
connected. R
It is particularly important to observe the
described order when connecting and dis-
connecting the jumper cables.
R Never connect or disconnect the battery
terminals while the engine is running.
Disconnecting the auxiliary battery !
Switch off the engine and remove the key
from the ignition lock before you loosen or
disconnect the terminal clamps. Other-
wise, you could destroy electronic compo-
nents such as the alternator.
First disconnect the starter battery in the
engine compartment.
! Always disconnect the battery in
the order described below. Never swap the
terminal clamps. You may otherwise dam-
age the vehicle electronics.
The auxiliary battery is located in the driver's
seat base.
X Switch off all electrical consumers.
X Switch off the engine and remove the key
from the ignition lock.
X Fold the driver's seat cushion forward.
X First loosen and remove the negative ter-
minal clamp so that it is no longer in contact
with the terminal.
X Remove the cover from the positive termi-
nal.
X Loosen and remove the positive terminal
clamp.
Reconnecting the auxiliary battery !
Always connect the battery in the order
described below. Never swap the terminal
clamps. You may otherwise damage the
vehicle electronics.
X Connect the positive terminal clamp.
X Attach the cover to the positive terminal.
X Connect the negative terminal clamp.
X Fold the driver's seat cushion back. Battery
265Maintenance and care Z

Installing and removing the auxiliary
battery (base of the driver's seat)
Removing the auxiliary battery X
Disconnect the battery (Y page 265).
X Loosen the bolts holding the retainer that
prevents the battery from moving around in
the base of the driver's seat.
X Remove the battery holder and take out the
battery.
Installing the auxiliary battery X
Insert the battery into the battery case.
X Insert the battery holder.
X Tighten the bolts holding the retainer that
prevents the battery from moving around in
the base of the driver's seat.
X Connect the battery (Y page 265).Charging
G
WARNING
During charging and jump-starting, explosive
gases can escape from the battery. There is a
risk of an explosion.
Particularly avoid fire, open flames, creating
sparks and smoking. Ensure there is sufficient
ventilation while charging and jump-starting.
Do not lean over a battery. G
WARNING
Battery acid is caustic. There is a risk of injury.
Avoid contact with the skin, eyes or clothing.
Do not inhale any battery gases. Do not lean
over the battery. Keep children away from
batteries. Wash battery acid immediately with
water and seek medical attention.
! Only charge the installed battery with a
battery charger that has been tested and
approved by the distributor named on the
inside of the front cover. This device allows
the battery to be charged when it is instal- led in the vehicle. The vehicle's electronics
may otherwise be damaged.
X Recharge the removed battery. Observe
the notes in the operating instructions for
your battery charger.
X Install the battery. Observe the notes on
reconnecting the battery.
i If batteries are not being used, you should
charge them once a month.
It is also possible to charge the starter bat-
tery using the jump-starting connection
point in the engine compartment
(Y page 278). Care
! Dirty battery clamps and battery surfaces
cause leak currents which lead to the bat-
teries discharging.
! Do not use cleaning agents containing
fuel. Cleaning agents containing fuel cor-
rode the battery housing.
! If dirt gets into the battery cell, battery
self-discharge will increase and the battery
may be damaged.
The following points on battery care must be
observed:
X Regularly check the battery terminals and
the fastening of the negative cable to the
chassis to ensure that they are firmly
seated.
X Always keep the battery terminals and bat-
tery surfaces clean and dry.
X Lightly grease the undersides of the battery
terminals with acid-resistant grease.
X Only clean the batteries when the caps are
screwed on.
Otherwise, dirt could get into the battery
cells.
X Unscrew the caps and clean blocked
breathers with a suitable tool such as a
piece of wire. 266
BatteryMaintenance and care