The OVP is located under the hood at the passenger side rear. It's a silver colored rectangular thing behind the black plastic cover on the firewall side of the battery with a fuse or two visible on the top. You won't be able to see it unless you remove the plastic cover.

Check your OVP for the known bad part number, 000-540-52-45. It says “Made in Austria” on it. If that is the part number on you OVP, get the new updated OVP - replacement number 000-540-67-45. The 52 45's are known trouble-makers.

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95 E320 Cabriolet, 169K