Engine mounts R&R, any special tools required? - Page 11 - Mercedes-Benz Forum
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post #101 of 103 (permalink) Old 11-10-2014, 08:13 PM
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Originally Posted by donkybenz View Post
hi,im just replacing front subframe bushings,the set came with four plastic cone washers.which were not on my origonal mounts anyone know where they are located,thanks,frank.
Please consider reading my post #94 above, with illustration showing the plastic cone washer number 14 in this diagram and what MB calls A1153310346 "Buffer Stop for Spring Compression"
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post #102 of 103 (permalink) Old 05-30-2019, 09:33 AM
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Originally Posted by Clarkz71 View Post
Originally Posted by roncallo View Post
OK so tell us how you do it. I was a factory trained MB mechanic myself 25 years ago when these cars were still in production. Rally Motors Roslyn NY.

But I haven't changed a set of standard 107 mounts in about 9 years. The cut down Allen wrench is all I can recall.
Very easy. Instead of trying to raise the engine, you
lower the sub frame.

Unbolt the caliper and hang it. Remove the 2 lower
Shock nuts, loosen the sway bar link to the last few threads.

On the lift I use 2 spin jacks but on the ground you
can use a floor jack under the control arm and support
the engine with a bottle jack.

Remve the 10mm bottom bolt, then the 2 15mm
sub frame bolts and lower it down to where you want it.

Enough room for any tool combination.
Mount comes out the side, through the wheel well.

This is also how I replace the A6 compressor.

If you want more room unbolt the sway bar link completely.

If you need to do the subfraame mounts nows the time.

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Does anyone know any reason why I couldn't support the engine with blocks for this procedure? Trying to avoid buying another jack if I can help it. So I'd jack car on chassis and lower sump onto wooden blocks, then jack subframe to lower it. Or am I missing something?
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post #103 of 103 (permalink) Old 06-02-2019, 03:28 PM
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Few tips for this job:

No need for a jack under the engine - I just used blocks of wood. I also supported the body on axle stands underneath the main chassis rails behind the wheel arches.

In the UK the MB subframe kit is approx 320 but the rubber bushings on their own are circa 50. It turns out the almost standard M10 bolts in the MB kit are 20 each, and the M10 bowl-like washers are circa 7. Everything else is pennies and unavailable elsewhere.

If you want to save money, order the parts separately (i.e. not the kit), get the M10 bolts and sprung washers from any fastener merchant, and re-use the large M10 bowl-like washers (on mine they were virtually perfect, probably having been changed once in the car's 35-year history).

If you're doing the A/C compressor, remove the sway bar and the compressor will come out through the front like the
. There's no need to remove the bracket, as the bolts that hold it on, although hard to get to, are installed just above finger tight and come out easily. You will need a 13mm ring spanner.
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