open trunk for dead battery on 2000 Mercedes-Benz SL500

battery is dead and the trunk will not open. how do you open the trunk it is unlocked.

Asked by for the 2000 Mercedes-Benz SL500
Can it not be unlocked with the key? Owners manual will likely tell you where a release is for this problem.
1 more answer
You need to stick your key in the trunk key release and pump the lock like 20 times by pushing in.
Then the key should work.