Fig. 188: Identifying AGM Battery
Introduction
In September 2002, the first so-called VRLA batteries, better known as AGM
batteries came into use. (VRLA
means V alve R egulated L ead A cid, i.e. lea
A vehicle battery is constructed for the installation location and the
individual power requirements of the
particular vehicle. These individual power requirements depend on the
motorization and dif
WARNING: Observe SAFETY INSTRUCTIONS for handling vehicle battery.
Follow instructions FOR DISCONNECTING AND CONNECTING BATTERY !
Observe notes on POWER SUPPLY /on intelligent battery sensor (IBS).
N
IMPORTANT: Read and comply with notes on protection against electrostatic
damage (ESD
protection).
NOTE: Follow instructions for removing and installing CONTROL UNITS !
Necessary preliminary work
Read fault memory.
Disconnect BATTERY EARTH LEAD.
Remove DME CONTROL UNIT.
Release screws (1).
Ti
WARNING: Danger of injury!
Support engine compartment lid in fully opened position with suitable
apparatus.
IMPORTANT: These instructions only apply to vehicles without active
pedestrian protection !
Removal of the engine compartment lid must be carried out with the assistance
of a second person.
U