Heat shield

mark_t

New Member
Joined
Aug 22, 2011
Messages
6
Car
slk 320
Exhaust heat shield was damaged on my R170, local garage removed it said it wasn't worth replacing as it doesn't actually do anything.

Should I get it replaced or are they right and I should forget about it?
 

Usuf_x

Active Member
Joined
Feb 21, 2010
Messages
203
Location
Berkshire
Car
E240 Avantagarde Estate
Mine had come off a few months ago on the dual carriage way, haven't bothered replacing it... it does little in my opinion
 

grober

MB Master
Joined
Jun 22, 2003
Messages
28,589
Location
Perth, Scotland
Car
W204 C200CDI Estate
You can often rebuild them using larger washers. The small screws that hold them on tend to "pull thro"due to localised corrosion. One solution is to spread that securing load over a wider area. They probably help dissipate heat from the exhaust which might melt the underbody paint finish or conduct heat to the interior of the car. This is more likely to happen when the car is halted and there is no cooling air following over the exhaust surface. I'm pretty sure there is a good reason for Mercedes putting these in place otherwise why would they do it. You can probably do without them as your local garage said but given the choice I would at least attempt a repair.
 

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