DIY : R171 Trunk Struts Replacement - Page 2 - Mercedes Benz SLK Forum
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#21 Old 04-23-2011
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Welcome back taroliw.
Thanks The site was mentioned a few times during our recent NoCA SLK Enthusiasts ride and I definitely needed some help with the struts. Need to take a peek around and see what's happening here.
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#22 Old 05-07-2011
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Great thread Caboz! I just replaced mine - literally 10 minutes thanks to this post. I was worried for a moment that removing the limiters had allowed the truck to go up too far because I struggled to close it again with the new struts. I thought it best to pull on the lower section of the hinge "scissor" on each side rather than just pull on the lid - that got it moving so I could fit the limiters again. Wow - what a difference. No more risk of being decapitated by the lid coming down unexpectedly! fwiw, I used a couple of plastic trim removal tools to get the limiters off, so I wouldn't scratch the metal. Using the tie wraps is a great safety tip.
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#23 Old 05-20-2011
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Should the trunk struts really go out on these cars that aren't that old?

What causes this? Glad to have this DIY. Thanks.
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#24 Old 05-20-2011
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I wonder if it's the geometry of the opening for the roof...or just the weight of the lid (ie under-designed...I know ... very un MB like). Anyone found a source for less expensive ones?
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#25 Old 06-07-2011
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My first DIY done! Probably done in under 20 minutes.

By the way, the rubber bumbers/limiters shown in fotos 2 & 3 at the beginning of the thread are actually two pieces. The triangular piece is hard plastic and the part that takes the striker is softer rubber and will easily come away from the triangular part. This is sufficient to get the job done. If you do decide to remove the triangular part, be careful not to pry too hard and break it nor flick it off into some unknown part of the boot! But I found it within the 20 minutes!

Special thanks to Chuck (Berringer) for acting as intermediary with the parts dealer and sending them along the Underground Railroad to Canada
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#26 Old 06-07-2011
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Originally Posted by Der Flieger View Post
My first DIY done! Probably done in under 20 minutes.

By the way, the rubber bumbers/limiters shown in fotos 2 & 3 at the beginning of the thread are actually two pieces. The triangular piece is hard plastic and the part that takes the striker is softer rubber and will easily come away from the triangular part. This is sufficient to get the job done. If you do decide to remove the triangular part, be careful not to pry too hard and break it nor flick it off into some unknown part of the boot! But I found it within the 20 minutes!

Special thanks to Chuck (Berringer) for acting as intermediary with the parts dealer and sending them along the Underground Railroad to Canada
Hows is it knowing you can open the trunk and not worry about it coming down on your head? When closing it it does not slam shut, in fact you have to oush down to close it. Nice change.

Chuck
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#27 Old 08-14-2011
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Hi. Where do you buy the struts? Is there an online site you all would recommend?

Thanks from South Carolina!
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#28 Old 08-14-2011
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Hi Susanne, welcome to the forum from NE England. You could try SLKStore.com - the forum's very own store.



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#29 Old 08-14-2011
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Ok a question. My boot (trunk) is heavy to lift up and you have to push it almost all the way up to stop it coming down. Will new struts cure this ??
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#30 Old 08-14-2011
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Ok a question. My boot (trunk) is heavy to lift up and you have to push it almost all the way up to stop it coming down. Will new struts cure this ??
Yes, you'll be suprised at the difference.



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#31 Old 08-14-2011
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I would like to buy from slkstore But by the time you pay the duty and vat it makes them a lot more expensive than the company who sells them on ebay
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#32 Old 08-15-2011
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Buy the replacement struts from your Mercedes main agent, they are not expensive - about £25. They'll probably have to be ordered as it's unlikely they'll carry them in stock.

I hope this helps.
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#33 Old 08-16-2011
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After nearly getting bonked on the head, I picked up some struts from the dealer, $27 each, and installed them this afternoon.

There was an extra step - the skinny end of the struts needed to be turned 45deg which required a wrench to get enough leverage.

Also, for some reason the plastic/rubber stops weren't in place on the hinges!!! So after the new struts were installed, the trunk went up too far and locked into position. It required a pull on one of the hinges to get it to come down. I jury rigged a stop out of a spare rubber foot from my coffee cup holder install.

According to EPC Online, the stop's part number is A-171-750-00-26, so I'll check with the dealer in a day or two about price and availability.
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#34 Old 08-17-2011
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Originally Posted by HiHoSilver SLK View Post
Buy the replacement struts from your Mercedes main agent, they are not expensive - about £25. They'll probably have to be ordered as it's unlikely they'll carry them in stock.

I hope this helps.
think based on the fact that the MB ones dont seem to be up to the job I will take a chance on some 2 year guaranteed after market ones
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#35 Old 08-17-2011
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The trunk hinge stops are $14 each!!! Fortunately, because it's only the right side that gets stuck in the up position, I only need one of them.
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#36 Old 08-17-2011
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MSRP on the trunk stops is $8.75 and on the trunk struts it's $27. That means that the wholesale dealers will sell it to you at least 20% off of those prices.

For example, at this dealer https://www.getmercedesparts.com/oem...des-parts.html, the struts are $20 and the stop is $6.56.

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#37 Old 08-17-2011
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South Atlanta MB has an online site...and their struts were about 30$ for the pair...and shipping is very cheap. It would be very rounda about, but I'd be happy to bring a pair (or several) over to London if anyone needs them. Shoot me a PM as required.
As for a single stop, I would think a short jaunt to the local junk yard may solve the problem for $2.
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#38 Old 08-18-2011
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Boot (trunk)struts fitted using the zip tie method. Had to lever the hinges back as they locked in the up position. But no problems. Took about ten minutes to do. Beware the spring clips. they have nasty sharp edges
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#39 Old 08-18-2011
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#40 Old 08-18-2011
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