 A class action suit was settled last year for owners of 2006/2007 R350 Mercedes that experienced an major engine problem after 40-50,000 miles.   Unfortunately, the local dealer ducked the obligation tell us about any recall or repair requirement, and the judge let Mercedes close out the filing date last year for owners to get reimbursements for these engine repairs.   Our losses were $4500 last year and another $5000 this year.....and there were thousands of owners with this problem.   For certain, as we have sworn our children, NEVER to purchase a Mercedes product, again.