SL/R230: 2003 SL500 engine mounts replace
Thread Starter
Member
Joined: Mar 2017
Posts: 101
Likes: 8
From: Australia
2003 SL500
2003 SL500 engine mounts replace
heya all
not a lot out there regarding the replacement of these bad boys except drop the exhaust and do the damage
is there anything more definitive regarding a DIY
Peter
not a lot out there regarding the replacement of these bad boys except drop the exhaust and do the damage
is there anything more definitive regarding a DIY
Peter
Super Member
Joined: Jul 2014
Posts: 992
Likes: 245
From: Tucson, AZ
'20 X5 M50i; '17 Ram 3500; Golf Cart; Bikes; Scooters
You need to buy the shorty 16mm wrench to access the top bolts to the motor mounts.
Pretty much impossible without the tool.
Do the tranny mount while you are at it.
Pretty much impossible without the tool.
Do the tranny mount while you are at it.
Banned
Joined: Jan 2006
Posts: 1,982
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From: Atlanta, unfortunately
'09 S600, (2) R129 300SLs, '03 SL500, '03 SL55
I did not drop the exhaust. I did uncouple the steering shaft. To remove the top bolt on each mount I used a 16mm wrench with a flexible head.
Member
Joined: Feb 2013
Posts: 103
Likes: 7
From: South Australia
2004 (MY05) SL55
Looks like this. Do an eBay search for Mercedes engine mount wrench and you will get a dozen or so hits. 16mm from memory.
When I did my mounts I had to use a bench grinder to take some of the thickness out of the spanner as it wouldn't fit over the bolt head because there wasn't enough gap between the bolt and the manifold (I think), this might just be a right hand drive or SL55 thing though.
Senior Member
Joined: Jul 2008
Posts: 436
Likes: 64
From: Dartmouth, MA
1967 250SE, 2022 GLC300 2023 EQB300, 2018 AMG GT
More detailed posts are on the W211 subforum which has the same engine. However there appear to be 2 methods as described, unscrew the left exhaust downpipe and move it out of the way or unbolt the steering box from its bracket and move it out of the way. This is only for the left mount. The right one is easier.
Thread Starter
Member
Joined: Mar 2017
Posts: 101
Likes: 8
From: Australia
2003 SL500
Looks like this. Do an eBay search for Mercedes engine mount wrench and you will get a dozen or so hits. 16mm from memory.
When I did my mounts I had to use a bench grinder to take some of the thickness out of the spanner as it wouldn't fit over the bolt head because there wasn't enough gap between the bolt and the manifold (I think), this might just be a right hand drive or SL55 thing though.
SL55 ...did you have to drop your exhaust or work around it.
peter
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Thread Starter
Member
Joined: Mar 2017
Posts: 101
Likes: 8
From: Australia
2003 SL500
Senior Member
Joined: Jul 2008
Posts: 436
Likes: 64
From: Dartmouth, MA
1967 250SE, 2022 GLC300 2023 EQB300, 2018 AMG GT
Many people succeeded in doing this with jacks and floor pumps (go to the W211 subforum). This was one of very few jobs that I took to the indy. I didn't want a 4000 lbs car on the lift while I am messing with it's balance by lifting a V8 off its mounts.
