Independent mechanic overfilled my E 240 by about 1/4 inch as measured on dip stick. Computer tells me to reduce oil level. Does that need immediate attention or can I wait until I have time to do it? What problems coud arise by that kind of overfill. I already drove about 400 mls since oilchange(overfill)
Thx,
Reinhard

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E 240 2000
E 320 Coupe