To remove the plastic engine cover on a Mercedes CLK 500, start by locating the securing bolts or clips, which are often found around the perimeter of the cover. Use a socket wrench or appropriate tool to remove these fasteners. Once they are removed, gently lift the cover off, taking care not to damage any attached hoses or components. If the cover is stubborn, check for any additional clips or attachments that may need to be released before removal.
look in the owners manual very helpful book. or remove plastic cover and twist plastic cover where build is
you un bolt it
:THE BENZ GUY: its next 2 the oil cap u might have 2 remove the plastic mercedes engine cover its a round piece of plastic when u unscrew it all the way the filter is inside
open the trunk, remove the plastic cover assy, remove the required bulb, 1/2 turn and replace same. Replace plastic cover, by pushing the plastic rivits stright in.
It's in front of the rear tires. It has a plastic cover that you have to remove in order to access it. The fuel pump is also visible when you remove this cover.
Rear of engine driver's side. Need to remove plastic covers, air filters to get better access. Dental mirror a help. One suggestion I have seen is to cover engine with chaise pad so you can lay on the engine and use extension to remove screw.
The Mercedes - Benz Plastic Cover Pulls off, to reveal the plugs, you will need spline tool to remove plug lead
Pull it off
They are in the center of the Valve cover, under the plastic "chunks" that are the ignition coils. You might need to remove the plastic engine cover first. There are several plastic clips you need to turn part way to remove this part.
To remove a Mercedes engine cover, start by locating the screws or clips securing it in place; these are often found around the perimeter of the cover. Use the appropriate tools, such as a socket wrench or screwdriver, to remove these fasteners. Once all fasteners are removed, gently lift the engine cover off, being cautious of any hoses or wiring that may be attached. Always consult your specific model's service manual for detailed instructions.
check this out, it's same engine as in Rabbit http://rabbitownersclub.com/vw/showthread.php/engine-plastic-cover-4981.html
You remove the large plastic engine cover from the top of the engine (remove the three plastic caps, then loosen the three 10mm nuts). It's right on the front top of the engine under a plastic cap about 3" in diameter.