Mercedes-Benz recommends that you have the
battery replaced at a qualified specialist work‐
shop.
#
Remove the emergency key (
→
page 56).
#
Press release button
2
down fully and
remove cover
1
.
#
Remove battery compartment
3
and take
out the discharged battery.
#
Insert the new battery into battery compart‐
ment
3
. Observe the positive pole marking
in the battery compartment and on the bat‐
tery.
#
Push in battery compartment
3
.
#
Replace cover
1
so that it engages.
Problems with the key
Problem
Possible causes/consequences and
M
M
Solutions
You can no longer lock or unlock the
vehicle.
Possible causes:
R
The key battery is discharged or nearly discharged.
R
There is interference from a powerful radio signal source.
R
The key is faulty.
Opening and closing 57
Summary of Contents for E 300
Page 2: ......
Page 3: ......
Page 7: ...4 At a glance Cockpit ...
Page 9: ...Instrument Display 6 At a glance Warning and indicator lamps ...
Page 11: ...8 At a glance Overhead control panel ...
Page 13: ...10 At a glance Door control panel and seat adjustment ...
Page 15: ...12 At a glance Emergencies and breakdowns ...
Page 463: ......
Page 464: ......
Page 465: ......