specification

E220 cdi avantgarde - automatic diesel. Has covered 105,000 miles. One mechanic says with a higher mileage car I should use 15W40 semi-synthetic oil. It is better for a high mileage vehicle than the one specified - which could damage the engine. Another mechanic friend disagrees. He says I...

At its recent service Mercedes told me my battery is in need of replacement. The car's 6 years old and it's still on its original so I figure it's not doing too badly. But I felt sure I could get a cheaper battery from the Net than from the Dealer. I just removed the A/C filter to have a look...