Try contacting www.timevalve.com
They are a frequent advertiser in the Star Magazine, and make stainless steel OEM quality parts.
I'm sure they either sell or could fabricate the part that you are looking for.
2001 E430, Bourdeaux Red, Oyster interior.
1973 280SE 4.5, 170,000 miles. 568 Signal Red, Black MB Tex. "The Red Baron".