Editing Step 5 —

Step Type:

Drag to rearrange

Now you'll want to identify some of the components you are looking at so you can begin working on the one that is having issues.

Here are some of the ones you may find. This car is a 1985 300D; if you have an older model the items are likely a bit different.

Heater blower motor

Over-voltage protection relay

Air-conditioning expansion valve

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