RepairPal is your advocate for car care advice and guidance

Q: Does do not close inside buttons do not work on 1998 Mercedes-Benz S500

Power door locks and trunk lid do not close with key or button on dash
Get a Repair Estimate
Guaranteed by certified locations nationwide. Learn more
RepairPal estimates are guaranteed at over 1,700 quality certified locations nationwide. Learn more
This issue is fairly common.
The system depends on pressurized air to close the door and trunk. If there is a leak in that system, the air pressure will not reach the needed level.
There is also an electrical component to the system, and checking/replacing the fuse should be your first task.
The automatic closing system is sensitive to the air pressure inside the car.
If there is an air leak in the vehicle doors, sunroof, or trunk, the system may not function properly.
Didn't find what you were looking for?