You had two words in your post that were key,,,,, perfect and correct. If you want perfect and correct, be prepared to pay lots of money. There is no alternative. Other than that, go see Macco, you will get what you pay for.
Pete

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95 SL500 Smoke Silver, Parchment 64K
07 E350 4matic Station Wagon White 34K
02 E320 4Matic Silver/grey 80K
05 F150 Silver 44K