Details for Click & Clack.

Click & Clack
Talk Cars
“The Tappet Brothers’’

By Ray Magliozzi

Today’s cars don’T need highway
miles To survive

Dear Car Talk:

exhaust system hot enough to

I’m retired, and at age 70, evaporate most of water vapor
I hit my midlife crisis and that condenses in there when
bought my first Mercedes the exhaust system is cold.
(new). But being retired and

If you take all five-minute

living downtown in the city trips, you could cause your
where I can walk to most exhaust system to corrode
things, I find myself doing city prematurely. An exhaust
driving almost all the time. So system on this car could
is it necessary to get on the run you a few mortgage
freeway once in a while to payments. On the other hand,

keep the car engine in good the exhaust system on a
shape? If so, how frequent Mercedes is pretty robust.

and how far as a minimum? I So even with all those short
trips, corroding the exhaust
enjoy your column! -- Jim
No, there’s no need to drive
your car on the highway, Jim.

might take 10 years. And by
then, your ne’er-do-well son

probably will have talked you
People used to tell you out of this car, and you’ll be
to take your car out on the driving a 2028 S-Class. And

highway and “blow out the we can let him replace the
carbon.” But there is no more exhaust.
carbon. Modern engines with
fuel injection, computerized
engine controls and improved
gasolines run so cleanly now
that if you take your engine

Enjoy your car, and don’t
worry about it, Jim.
Got a question about

apart after 50,000 miles, the cars? Write to Ray in care of
tops of your pistons will be King Features, 628 Virginia
as clean as they were when Drive, Orlando, FL 32803, or
email by visiting the Car Talk
you drove off the lot. So doing
website at
only “in town” driving is no
problem. And if you’re driving (c) 2018 by Ray Magliozzi
for at least 15 or 20 minutes and Doug Berman
on a semi-regular basis,



you’re probably getting the Features Syndicate, Inc.



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