R129 Rattling on tickover when in gear?

gramey

Active Member
Joined
Jul 8, 2016
Messages
365
Location
Ipswich, Suffolk
Car
2003 R230 SL350 Tellurium silver
Unfortunately due to currently being incapacitated I'm not in a position to crawl under it and look but my R129 SL32O has a rattle but only when it's in gear and only at tick over. As soon as you pick up the revs or put it in neutral it goes.

I'm thinking it may be the exhaust or is it possible there's mount on the engine or gearbox that is a regular culprit of such symptoms?

Any advice appreciated in pointing me in the right direction so at least if I take it somewhere I'll have some idea and won't get ripped off? :)
 

brucemillar

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Nov 18, 2010
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8,659
Location
Next Door to Alice - 25 'kin years now
Car
C55 AMG Wagon - W124 300te 4matic Wagon - BMW 4.8is X5 E53 - SWB Pajero 3.5 V6 24v
I have no idea if there any "known" rattle issues with box on this car.

Could you not simply run somebody over and ask them to have a look while they are under there?

I'll get my coat.
 

a111r

MB Enthusiast
Joined
Aug 11, 2008
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1,620
Location
North East London
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S123 240TD, S210 320cdi, S202 250TD.
Most likely an auto...probably simple, like a selector bush or clip.

Use an Indy with a great rep, e.g. Alex Crow in Stowmarket.
 

tommyboy40

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Joined
Dec 18, 2012
Messages
127
Location
Ireland
Car
R129 SL500 W124 220CE x 2 Smart 450 cabriolet. C215 CL500
If it was an engine mount the car would shudder when in drive with your foot on the brake. This disappears when you drive away
 

Ian Topping

Active Member
Joined
Apr 1, 2008
Messages
97
Location
N. Ireland
Car
CLK 55 AMG
I have the same thing with my 2001 CLK55, and my local tyre garage advised it is the cat converter breaking down. I just gave the car a blast over the past few days and it seems to have blown the loose stuff out the back. Problem is I now need back tyres......
 

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