In the end, every situation is different. The best way to get a low price for a new Mercedes key is to get multiple quotes.u003cbr /u003eRing, email, or visit local Mercedes dealerships and locksmiths. When you find someone you trust who offers this service at a reasonable price, go with them.u003cbr /u003eu003cstrongu003eThe cost ultimately depends on how modern and expensive your Mercedes model is.u003c/strongu003e