I have discovered water in the front passenger footwell of my 1992 300D, also seeping into the rear. So I'm reading some threads, noting various possibilities such as clogged evaporator drain, other drains, and windshield seal. But the one that caught my attention was the washers for the fastening bolts on the battery frame.

Recently, I just replaced my battery tray....old one was extremely corroded. I treated some spots below the battery tray with POR-15 and got a brand new tray, wanting to do as thorough a job as possible to deal with any rust. I did not notice any washers. So the current configuration is that the tray goes over the bolts and nuts hold it in place. Are there supposed to be washers there? If so, where? Below the tray? What kind?

Since this is the only thing that has happened to my car recently, I thought I would start with this.

Thanks.

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14 E250 Bluetec "Sinclair", Palladium Silver on Black, 153k miles
06 E320 CDI "Rutherford", Black on Tan, 171k mi, Stage 1 tune, tuned TCU
91 300D "Otis", Smoke Silver, 142k mi, wastegate conversion

19 Honda CR-V EX 61k mi
Fourteen other MB's owned and sold
1961 Very Tolerant Wife