Smart Start is the #1 Ignition Interlock Device provider in Mercedes with same-day installation available for your vehicle. We’re a convenient and affordable Texas IID supplier located in North Mercedes at 841 Dawson Rd with mobile services and price matching available to give you the best value. Our reliable customer service experts and licensed technicians will make your IID device experience quick & low stress. Smart Start is ready to schedule your Ignition Interlock Device installation in Mercedes. Call our North Mercedes location & talk to a Program Advisor, who will help you schedule an appointment for your IID installation, calibration or removal.