If the door latches in your Type 300 car are no longer properly returning to rest position, the problem is likely to be a broken latch remote return spring (see photographs). We invisibly modify your original door latch remote to accept a modern, replaceable coil spring. Supplied on an exchange basis. Price is inclusive of reconditioning service, updated latch remote spring, and refundable core charge of $100. Replacement requires the removal of your door latch remote and associated hardware (consider purchasing our door handle pin wrench). A Brooklyn Motoren Werke, Inc. exclusive. Please specify left/right and front/rear when ordering. Customer is responsible for shipping original remote unit to us for repair.