It could be the differential mount or a wheel bearing too. My '81 300CD had a hum/roar coming from the right front that couldn't be heard until reaching at least 40MPH. Beyond that, the hum would become higher in frequency.
Kevin in Portland, OR 1983 300SD 267Kmi, Ursula _______________________________________ http://www.okiebenz.com For new parts see official list sponsor: http://www.buymbparts.com/ For used parts email [EMAIL PROTECTED] To Unsubscribe or change delivery options go to: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
