GL Class (X166) 2013-2015 after facelift became GLS (X166)

M276 Timing/Cam Adjuster/Check Valve

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Old Yesterday, 04:51 PM
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2012 E Cabrio, 2015 GL x 2 & 2024 GLS
M276 Timing/Cam Adjuster/Check Valve

Hello all,

this will be part rant, part question.

I have two 2015 GL450s, one with 140k miles and one with 100k miles. The higher-mileage one started rattling on start-up about 10k miles ago, changed out timing chain adjusters and that didn't make any difference. I have now been told that I need to change out the cam adjusters (x4), which in themselves aren't THAT expensive, but including all labor, we're looking at close to $10k.
So... imagine my surprise when my other car started rattling a couple of weeks ago. Same diagnosis. I am now sitting on two cars that both may die shortly (or not, who knows how long they'll keep going).

I can't have the only two GL450s that have this issue. What is the proposed remedy? That I sell both cars hoping the buyer won't notice? I can't plausibly justify spending $10k on each car, they are - according to CarMax - barely worth that much.

Any suggestions?

Sorry for the rant.
Old Yesterday, 07:26 PM
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2014 GL450, 1992 W140 300SD, 1993 W140 300SE, 1987 E30 Convertible
Where are you located?
Old Yesterday, 07:28 PM
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Originally Posted by arsupisemnet
Where are you located?
Central VA, but will travel (some) for good ideas.
Old Yesterday, 07:33 PM
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2014 GL450, 1992 W140 300SD, 1993 W140 300SE, 1987 E30 Convertible
Well, just find some normal shop. This is how long it actually to take to change those
.
About an hour for each which makes about 1000 in labor
Old Yesterday, 09:19 PM
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Originally Posted by arsupisemnet
Well, just find some normal shop. This is how long it actually to take to change those https://www.youtube.com/watch?v=dVFfIcrQfus.
About an hour for each which makes about 1000 in labor
Two shops I spoke to want nothing to do with fixing the engine, the third charges more than MB in labor and they say it's 25 hours in labor at least. So... How do you feel about setting up a local shop?
Old Yesterday, 09:46 PM
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2014 GL450, 1992 W140 300SD, 1993 W140 300SE, 1987 E30 Convertible
Well, if one day you would decide to have a road trip to New Orleans, i will change your adjusters for 1k

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