Mercedes-Benz SLR-Class 2009 User Manual
Page 370
370
Practical hints
Batteries
Your vehicle is equipped with two batter-
ies:
ț
The starter battery (located in the 
trunk)
ț
The battery for electrical consumers 
(located in the trunk)
Warning!
G
Failure to follow these instructions can
result in severe injury or death.
Never lean over batteries while connecting,
you might get injured.
Observe all safety instructions and precau-
tions when handling automotive batteries
(
୴
page 256).
Battery fluid contains sulfuric acid. Do not
allow this fluid to come in contact with eyes,
skin or clothing. In case it does, immediately
flush affected area with water and seek
medical help if necessary.
A battery will also produce hydrogen gas,
which is flammable and explosive. Keep
flames or sparks away from battery, avoid
improper connection of jumper cables,
smoking, etc.
!
You must not jump start the vehicle, other-
wise the vehicle electrical systems could be 
damaged.
Only use the battery charge unit tested and ap-
proved by Mercedes-Benz for use on the SLR to 
charge the battery or maintain the battery 
charge. Using other battery chargers may cause 
damage to the vehicle and/or personal injury. 
Information on charging the batteries 
(
୴
page 371).
Have the batteries checked regularly by an 
authorized Mercedes-Benz Center. Refer to 
Maintenance Booklet for maintenance intervals 
or contact an authorized Mercedes-Benz Center 
for further information. 
If it is necessary to replace the batteries, contact 
an authorized Mercedes-Benz Center.
Warning!
G
Do not place metal objects on the battery as
this could result in a short circuit.
Use leak-proof batteries only to avoid the
risk of acid burns in the event of an
accident.