Since I'm down to one (registered) car now -the 82 300CD, every new noise that pops up has me kind of paranoid.

I've been hearing a noise from LF wheel area when turning slightly right at 40mph or so- sounds to me like a FWD CV joint going bad, but, semi-quietly, and twice today I hard a knocking noise for about a second each time (louder than the other noise). I took a look at the front end suspension today when I got home, but didnt see anything out of the ordinary.

The car has all new lower control arm bushings and track rod bushings. The shocks have been on there since I before bought the car (they're aftermarket and semi rusty in spots) and the upper control arms have not been replaced yet (what I was expecting to be bad). I've seen an upper control arm ball joint pull out on my friends car before so I really hope thats not whats going to happen. The joints look alright, the bushings on the other end are still tight against the control arm.

Nevertheless, its still got me worried, any suggestions? Could it be the bearings? I did the rotors so long ago I don't recall what they looked like.

I'm almost contemplating registering my 560 and transferring tags to it so I can drive that, at least I know that car is safe (and probably cheaper to fill up )

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1980 500SE/AMG Euro
1981 500SEL Euro
1982 380SEL
1983 300TD
1983 500SEC/AMG Euro
1984 500SEC
1984 300TD Euro
1986 190E 2.3-16
1986 190E 2.3
1987 300D
1997 C36 AMG
2003 C320T 4matic

past: 1969 280SE 4.5 | 1978 240D | 1978 300D | 1981 300SD | 1981 300SD | 1982 300CD | 1983 300CD | 1983 300SD | 1983 380SEC | 1984 300D | 1984 300D | 1984 300TD | 1984 500SEL | 1984 300SD | 1985 300D | 1986 300E | 1986 560SEL | 1986 560SEL/Carat | 1987 560SEC | 1991 300D 2.5 | 2006 R350

Sorry, I have nothing to add! Yes, the next thing I would suspect too might be the wheel bearing. Try repacking it and see if the clicking changes, or stops.

I notice in your signature you also have an 87 300D. Why is it out of commission? you mentioned a #14 head, is it the reason? My 87 300d has 247k and everthing is well, so far! ...............BB

my guess is the ball joints. ive had them look allright and when removed were sloppy as can be

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have no worries.....President Obama swears "If you like your gun, you can keep it

I had clunking noises on my driver side recently too for a while, so I checked, and found the whole braking strut supports part of the suspension to be loose and rattling around due to loose bolts I freaked out and promptly tightened both parts I suspect stealership on that one, but now my clunking is gone, and the suspension feels tight too.

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-diesel is not just a fuel, its a way of life-
'15 GLK250 Bluetec 118k - mine - (OC-123,800)
'17 Metris(VITO!) - 37k - wifes (OC-41k)
'09 Sprinter 3500 Winnebago View - 62k (OC - 67k)
'13 ML350 Bluetec - 95k - dad's (OC-98k)
'01 SL500 - 103k(km) - dad's (OC-110,000km)
'16 E400 4matic Sedan - 148k - Brothers (OC-155k)

I'm going to put it up on the lift today after work and check everything I can. Possibly even unbolt the upper ball joints and check them for play when theyre unloaded.

The 87 is out of commission due to a exhaust stud that broke off, that so far has been drilled and attempted to be extracted but it still is holding its ground. I need this car back asap! argh!

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1980 500SE/AMG Euro
1981 500SEL Euro
1982 380SEL
1983 300TD
1983 500SEC/AMG Euro
1984 500SEC
1984 300TD Euro
1986 190E 2.3-16
1986 190E 2.3
1987 300D
1997 C36 AMG
2003 C320T 4matic

past: 1969 280SE 4.5 | 1978 240D | 1978 300D | 1981 300SD | 1981 300SD | 1982 300CD | 1983 300CD | 1983 300SD | 1983 380SEC | 1984 300D | 1984 300D | 1984 300TD | 1984 500SEL | 1984 300SD | 1985 300D | 1986 300E | 1986 560SEL | 1986 560SEL/Carat | 1987 560SEC | 1991 300D 2.5 | 2006 R350

Inspect the front end, if you can't find anything turn the radio up. If their is a problem it will get worse to the point that you can ID it.


If it makes you feel better replace the upper control arms, and maybe the shocks. When the car is up on the lift grab the tires and check the wheel bearings for play.

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2016 Corvette Stingray 2LT
1969 280SE
2023 Ram 1500
2007 Tiara 3200

Well I feel a little better about it now. I just didnt want one of the upper arms to pop out while driving- that happened to my friends 240D, luckily he was only going 10mph at the time.

The arms I suspect have been replaced previously. They were in good shape and still pretty tight. Usually the ones I replace have the pressed bushing ends coming apart and rotting away. The could have been almost new. Ball joints were tight, bearings had new grease in them so I guess I did repack them.

My main suspect is the shocks. Theres small bushings at the bottom of them that have semi clean spots at the edges of them meaning theyre probably moving around. Brand is "gas-a-just" -hmmmm... I'll replace them soon.

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1980 500SE/AMG Euro
1981 500SEL Euro
1982 380SEL
1983 300TD
1983 500SEC/AMG Euro
1984 500SEC
1984 300TD Euro
1986 190E 2.3-16
1986 190E 2.3
1987 300D
1997 C36 AMG
2003 C320T 4matic

past: 1969 280SE 4.5 | 1978 240D | 1978 300D | 1981 300SD | 1981 300SD | 1982 300CD | 1983 300CD | 1983 300SD | 1983 380SEC | 1984 300D | 1984 300D | 1984 300TD | 1984 500SEL | 1984 300SD | 1985 300D | 1986 300E | 1986 560SEL | 1986 560SEL/Carat | 1987 560SEC | 1991 300D 2.5 | 2006 R350