Table of Contents
Advertisement
⑴ NOTE
Overview - Powering electrical aftermarket consumers:
1. Less then 25A are required and the vehicle is on:
(High Voltage system is active):
For applications where power is required when the
vehicle is "On", the upfitter can utilized the 12V
battery ED1 or ED4, by connecting to Upfitter termi-
nals of EK1. A direct connection to the terminals of
ED1 or ED4 is not permitted. Aftermarket consumer
connected to EK1 Terminal 2 (30T) have to have a
quiescent load of less the 1 mA. For more informa-
tion please review the Body-Equipment-Guideline for
Sprinter - Model Series 907.
2. More then 25A are required and the vehicle is off:
(High Voltage system is in-active):
For applications where power is required also when
the vehicle is "Off", the Upfitter has to order the
auxiliary battery E2I or E2M and connect directly to
the terminals of the auxiliary battery including the
installation of aftermarket fuses to ensure a safe
operation of the upfitter installed electronics and the
base vehicle.
8.3.2
12 V auxiliary battery
Available auxiliary batteries for the eSprinter model
series 907 ex factory:
Code
Size
Capacity
[Ah]
E2I
H8
92
E2M
H6
70
The required battery cutoff relay (code E36) is installed
automatically along with the auxiliary batteries.
Mercedes-Benz | Supplemental Guideline for eSprinter – Model Series 907, Edition 2023-8
Installation location
Front passenger seat box
Engine compartment
8 Electrics and electronics
⑴ NOTE
The 12V auxiliary battery option E2I or E2M is required
if electrical aftermarket installed consumers have to
be powered while the vehicle is "Off" and stationary.
The cutoff relay E36 will automatically disconnect the
on-board 12V battery from the auxiliary battery to
prevent the on-board battery from draining.
Electrical aftermarket consumers have to be con-
nected directly to the terminals of the auxiliary bat-
tery. A fuse must be installed between the electrical
aftermarket consumer and the auxiliary battery.
⑴ NOTE
When aftermarket electrical consumers are powered
by the auxiliary Battery (code E2I/E2M), ensure that
the permissible total current of 80 A in total across
the battery cutoff relay is not exceeded. Take into
account the charging current of the battery while the
vehicle in on. (cockpit display "Ready").
ⓘ
You can find further information on this topic in
the chapter of the same name in the Body-Equip-
ment-Guideline for Sprinter Vans.
8.3.3
Maintenance and storage of the battery
ⓘ
You can find further information on this topic in
chapter 3.11.2 Maintenance and storage of batter-
ies (→ page 29).
8.3.4
Disconnection of vehicle electrical system
voltage
⑴ NOTE
Do not disconnect the 12V on-board battery if the
vehicle is parked for a longer period of time. Other-
wise the vehicle cannot monitor the state of charge of
the high-voltage battery.
⑴ NOTE
Do not disconnect the 12V on-board battery for
longer then 5 days.
43
Advertisement
Table of Contents
