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Old 01-28-2001, 04:18 AM
Registered User
Join Date: Jan 2001
Location: Bay area, California
Posts: 41
I have an '85 300SD which makes a clicking sound at low speeds, when starting from standstill. The sound seems to emanate from the left side near the rear wheel. It also seems to be directly related to the engine RPM.
The sound is not there always, comes and goes.
I thought it was the muffler, but did not find anything wrong with it externally. The wheels checked out okay too.
I have owned this car for over a year and the sound has not gotten any worse and it does not seem to have affected anything else either.
Any help would be appreciated.
82 300D
81 240D
76 450SE
86 300SDL
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Old 01-28-2001, 11:02 AM
Registered User
Join Date: Mar 1999
Location: Suwanee, GA, USA
Posts: 4,712
I have seen two things cause this fequently.

One is if you have aftermarket wheels or lug bolts. The lug bolts can come into contact with the parking brake springs.

Two is when the axle shaft starts to wear it will make noise.
Donnie Drummonds
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Old 01-28-2001, 01:26 PM
Registered User
Join Date: Feb 2000
Location: Santa Clarita, CA, USA
Posts: 133
I had this happen on my 84 300sd when the tire shop used tape weights (at my request) to balance the wheels. They put it in such a spot that at every revolution it scraped the inner brake shield. The 14" rims barely had clearance. Just another possibility.

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Old 01-29-2001, 02:46 PM
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Join Date: Apr 2000
Posts: 412
I have had this problem with a 190E. It would do it itermittently for a week (sort of a clicking noise from stop until abouy 25mph). I could not duplicate the noise on jacks nor could I find anything wrong with the car. It went away and came back about a year later for a week. It has not return and it has been about a year and a half.
Let us know what you find out, because others have had the exact same problem. Check out prior posts on this subject.
1990 190E 2.6
1996 Grand Voyager 3.3
1985 Mustang GT 5.0 5 SPD
1982 Suzuki GS 750T
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Old 01-29-2001, 11:48 PM
Registered User
Join Date: Jun 2000
Posts: 60
I have experienced a couple of different situations like this, one was simple and inexpensive, the other was rather expensive. The expensive problem I experienced was having to replace/repair the axle shafts as Benzmac suggested. The other was very simple, someone had installed brake dust covers on a car I purchased, one of the covers had a slight imperfection,(a bent place inward toward the brake rotor). Every time the wheel would turn, this ding would hit the brake caliper, this would make a ticking sound. The sound was not noticable at higher speeds, but was very annoying at low speeds. I hope your problem is this simple.

1987 300SDL
1990 300E
1989 300E
1986 300E
1981 300D
1983 240D
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Old 01-30-2001, 04:20 AM
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Join Date: Sep 2000
Location: Sherman Oaks, CA
Posts: 4,748
I've heard a ticking from a nail in a tire before.

Not sure if it would apply to you, but something to check out just in case.

'92 300CE - Sold
2004 C240 - C7 Wheels
2015 ML350 - P1, Pano, Ash poplar wood, Sport Dinamica interior, Running Boards Keyless go.
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Old 02-02-2001, 02:44 PM
Posts: n/a
Could be your bushings on the struts particularly if the sound is noticed when stopping or starting off only, or when slowing down and accelerating. You should not be able to see daylight through the rubber flanged area of the bushing. They run about $35 each.
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