2019+ Sprinter Sliding Door Storage StepFree Shipping to & . In Stock. Important Fitment Note: Due to inconsistencies in Mercedes factory manufacturing, weve seen sliding doors vary in width by up to 22mm. While it's rare to encounter a significantly narrower doormost fall within normal tolerancessome minor trimming may be required for a perfect fit in select cases. For subfloors thicker than 1 1 4", this product can still be used effectively. Simply add a trim piece between the bottom lip