Are you a professional locksmith looking to provide the highest quality product at prices that won’t break the bank? Best Key Supply has a diverse range of inventory covering all vehicle models. Our competitive prices, frequent sales, amazing discounts and wholesale options will help you grow your business with the confidence that your customers will receive the service and quality they can trust. We deliver anywhere in the United States. For Boston-based locksmiths, we are conveniently located just outside of Boston in Newton, MA so you can pick up the parts you need before a job.

Our inventory adheres to rigorous quality standards to ensure our customers get the best product at the lowest price. We love our customers and keep them coming back with our competitive prices, frequent sales and unbelievable discounts.

Our transparent pricing and detailed information ensure you get your Mercedes key including new emergency key blades, key batteries installed and operational, and the assurance that your key will be compatible and programmable with your Mercedes.