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Old 01-14-2003, 10:16 AM
Posts: n/a
The thermostat for a 300 SEL is as easy as pie, but the one for the 420 SEL (a V8) is not. You have to take a bit more apart and need some special tools in order to access the bolts.

After 3 hours, I gave up and had to tow it to a tech.

Will see how it performs today.
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