Requirements:
R
You require a CR 2032 3 V cell battery.
Mercedes-Benz recommends that you have the
battery replaced at a qualified specialist work‐
shop.
#
Remove the emergency key (
→
page 59).
#
Press release button
2
down fully and slide
cover
1
in the direction of the arrow.
#
Fold out cover
1
in the direction of the
arrow and remove.
#
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
.
#
Re-attach cover
1
and push it until it
engages.
Problems with the SmartKey
Problem
Possible causes/consequences and
M
Solutions
You can no longer lock or unlock the
vehicle.
Possible causes are:
R
The SmartKey battery is discharged or nearly discharged.
R
There is interference from a powerful radio signal source.
60 Opening and closing
Summary of Contents for E-Class Convertible
Page 7: ......
Page 8: ...6 At a glance Cockpit ...
Page 10: ...Instrument Display standard 8 At a glance Warning and indicator lamps ...
Page 12: ...Instrument Display in the Widescreen Cockpit 10 At a glance Warning and indicator lamps ...
Page 14: ...12 At a glance Overhead control panel ...
Page 16: ...14 At a glance Door control panel and seat adjustment ...