W126 Sedan Bonnet Insulation

A few months ago I replaced the under bonnet insulation pad on my 560SEC. This job also needed doing on the 300SE. I purchased both pads at the same time, and finally got a chance to do the second one today. Note, if you’re looking for more information on forums, American sites will refer to this as a hood pad. There are youtube videos by Kent Bergsma and Pierre Hedary on Hood Pad replacement.

For the 560SEC, I had a genuine Mercedes part. The coupe is different to the sedan. For the 300SE, I have one made by Febi. Unlike […]

W126 Bonnet insulation

All W126 models have an insulation pad under the bonnet to protect the paintwork and reduce engine noise. Over time, the W126 bonnet insulation degrades and starts crumbling down onto the engine. At this point most owners simply remove it.

I own two W126 models with the remnants of their insulation pads. A few months ago, I purchased W126 bonnet insulation to fit to both of the cars. It is worth noting here that the coupe insulation pad is different to the sedan. I also purchased some Selleys Kwik Grip gel to glue the pad to the bonnet. It apparently […]

Citroen DS under bonnet insulation

As my DS has a NOS bonnet, I did not want the hot engine to damage the paint. The Citroen DS under bonnet insulation not only protects the paint, but also reduces noise. I was also told that I was missing two brackets that help hold on the insulation.

I was able to purchase a good used pair of the brackets and have some help to get the bonnet off to install the insulation. It comes in three pieces so is quite easy to install. As can be seen in the picture, it does not cover the whole bonnet, as […]