Mercedes-Benz SL-Class 2008 Owners Manual - Manual (Page 409)

408
Practical hints
Replacing SmartKey batteries
3 Batteries
4 Contact spring
̈ Pull out batteries 3.
̈ Using a lint-free cloth, insert new
batteries
3 under contact springs 4
with the positive terminal (+) side
facing up.
̈ Return battery compartment 2 into
housing until it locks into place.
̈ Slide mechanical key 1 back into
SmartKey or SmartKey with
KEYLESS-GO*.
̈ Check the operation of the SmartKey
or SmartKey with KEYLESS-GO* as well
as the KEYLESS-GO* function.
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