My 1997 e-420 has developed a oil leak towards the front of engine. not from oil change. Any ideas????

Two common oil leak areas to check are -

1) the oil inspection port cover. Small rectangular cover (~ 1"x2") with two mounting bolts and one center screw for attaching an oil pressure gauge. On the timing cover just to the left of the oil filter.

2) the seal between the upper and lower half of the valve cover.

If it has been leaking for awhile, you may have to spend some time cleaning the engine until the location becomes obvious.

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Good luck.






1998 E320 Wagon