2015 MERCEDES-BENZ SPRINTER wiring

Operating Instructions
Before the first journey
These instructions, the Maintenance Booklet
and the additional equipment-related instruc-
tions are integral parts of the vehicle. Keep
these documents in the vehicle at all times. If you sell the vehicle, always pass on all docu-
ments to the new owner.
Before you first drive off, read these docu-
ments carefully and familiarize yourself with
your vehicle.
For your own safety and a longer vehicle life,
follow the instructions and warning notices in these Operating Instructions. Failure to
observe the instructions may lead to damage
to the vehicle or personal injury.
Vehicle damage caused by a failure to
observe the instructions is not covered by the
New Vehicle Limited Warranty. Limited Warranty
! Follow the instructions in this Operator's
Manual about the proper operation of your vehicle as well as about possible vehicle
damage. Damage to your vehicle that ari-
ses from culpable contravention of these
instructions is not covered by the Limited
Warranty of the distributor named on the
inside of the front cover. Vehicle equipment
The Operating Instructions describe all mod-
els and 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 functions.
This also applies to systems and functions
relevant to safety. The equipment in your
vehicle may therefore differ from that shown
in the descriptions and illustrations. The original purchase contract documenta-
tion for your vehicle contains a list of all of the
systems in your vehicle.
If you have questions about equipment and
operation, consult any authorized Sprinter
Dealer. Proper use
Observe the following information when oper- ating your vehicle:
R the safety notes in these operating instruc-
tions
R the technical data in these Operating
Instructions
R traffic laws and regulations
R motor vehicle laws and safety standards
There are various warning stickers affixed to
the vehicle. If you remove warning stickers,
you and others may fail to recognize the dan- gers. Leave the warning stickers in their orig-
inal position. G
WARNING
Modifications to electronic components, their software as well as wiring can impair their
function and/or the function of other net-
worked components. In particular, systems
relevant to safety could also be affected. As a
result, these may no longer function as inten-
ded and/or jeopardize the operating safety of
the vehicle. There is an increased risk of an
accident and injury.
Never tamper with the wiring as well as elec-
tronic components or their software. You
should have all work to electrical and elec-
tronic equipment carried out at a qualified
specialist workshop.
The general operating permit for your vehicle could be rendered invalid if you carry out
modifications to electronic components,
their software as well as wiring. 22
Introduction

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 functions.
This also applies to systems and functions
relevant to safety.
Read the information on qualified specialist
workshops (Y page 25). Occupant safety
Restraint system introduction
The restraint system reduces the risk of vehi- cle occupants coming into contact with parts of the vehicle's interior in the event of an
accident. The restraint system can also
reduce the forces to which vehicle occupants
are subjected during an accident.
The restraint system comprises:
R Seat belt system
R Air bags
R Child restraint system
R Child seat securing systems
The components of the restraint system work
in conjunction with each other. They can only
deploy their protective function if, at all times,
all vehicle occupants:
R have fastened their seat belts correctly
(Y page 45)
R have adjusted their seat and head restraint
properly (Y page 82).
As the driver, you also have to make sure that
the steering wheel is adjusted correctly.
Observe the information relating to the cor-
rect driver's seat position (Y page 82).
You also have to make sure that an air bag can inflate properly if deployed (Y page 47).
An air bag supplements a correctly worn seat
belt. As an additional safety device, the air
bag increases the level of protection for vehi- cle occupants in the event of an accident. For
example, if, in the event of an accident, the
protection offered by the seat belt is suffi-
cient, the air bags are not deployed. When an
accident occurs, only the air bags that
increase protection in that particular accident
situation are deployed. However, seat belts
and air bags generally do not protect against objects penetrating the vehicle from the out-
side.
Information on restraint system operation
can be found under "Deployment of Emer-
gency Tensioning Devices and air bags"
(Y page 49).
For more information about children traveling with you in the vehicle and on child restraint
systems, see "Children in the vehicle"
(Y page 51). Important safety notes
G
WARNING
Modifications to the restraint system, may
cause it to no longer work as intended. The
restraint system may then not perform its
intended protective function and may fail in an accident or trigger unexpectedly, for example.
This poses an increased risk of injury or even fatal injury.
Never modify parts of the restraint system.
Never tamper with the wiring, the electronic
components or their software.
If it is necessary to modify an airbag system to
accommodate a person with disabilities, con- tact an authorized Sprinter dealership for
details. USA only: contact our Customer
Assistance Center at 1‑877‑762 ‑8267 for
details. Restraint system warning lamp
The restraint systems functions are checked
after the ignition is switched on and at regular
intervals when the engine is running. This 42
Occupant safetySafety

When driving with a trailer, you should not
exceed the permitted Gross Combination
Weight Rating (GCWR).
The permissible values, which must not be
exceeded, can be found in your vehicle docu-
ments and on the trailer tow hitch type plates
for the trailer and the vehicle (Y page 316).
The basic values approved by the manufac-
turer can also be found in the "Technical data" section (Y page 328). If the values vary, the
lowest value always applies.
Loading a trailer !
Utilize the maximum permissible nose-
weight as fully as possible. Do not allow the
weight to fall below the minimum permis-
sible noseweight, otherwise the trailer may
come loose.
R You must distribute the load on the vehicle
and trailer so that the permitted maximum
values for the gross vehicle weight (GVWR), gross trailer weight (GTW) and gross com-
bined weight (GCWR) as well as permitted
gross axle loads (GAWR) and noseweight
(TWR) of your vehicle are not exceeded.
R Add the drawbar noseweight on the ball
coupling (TWR) to the rear axle load. This
will prevent you from exceeding the per-
missible gross axle weight (GAWR).
R Add the drawbar noseweight on the ball
coupling (TWR) to the vehicle payload. This
will prevent you from exceeding the per-
missible gross vehicle weight (GVWR).
Checking the vehicle and trailer weight R
Make sure the weights of the towing vehicle
and the trailer comply with the maximum
permissible values. Have the vehicle/
trailer combination weighed on a calibrated weighbridge. The vehicle/trailer combina-
tion consists of the towing vehicle including
the driver, passengers and load, as well as
the loaded trailer.
R Check the maximum permissible gross axle
weight rating of the front and rear axles (GAWR), the gross trailer weight (GTW), the
gross combination weight rating (GCWR)
and the noseweight of the trailer drawbar
(TWR). Trailer power supply
! Incorrect wiring of the connector plug
could, under certain circumstances, cause
malfunctions in the vehicle's other elec-
tronic systems. We therefore recommend
having the connector plug wired at a quali-
fied specialist workshop.
! You can connect accessories with a max-
imum power consumption of 240 W to the
permanent power supply.
You must not charge a trailer battery using
the power supply.
Your vehicle may be equipped with various
electrical installations for trailer towing.
Depending on your trailer, you may need an
adapter to connect the electrical system of
the trailer with that of the vehicle.
The trailer socket of your vehicle is equipped at the factory with a permanent power supply.
The permanent power supply is on the trailer
socket pin assignment 4.
Note that the permanent power supply of the
trailer is not switched off when the on-board
voltage is low. This can completely discharge the starter battery of your vehicle.
The turn signals on the trailer are only guar-
anteed to function when incandescent bulbs
are used.
Further information on the electrical equip-
ment currently installed on your vehicle and
on installing trailer electrics can be obtained
at any qualified specialist workshop. 178
Towing a trailerDriving and parking