Re: [MBZ] Compression test results

[Meade Dillon via Mercedes]

I have the April 1985 edition (for 123 cars), and the '87 and '93(?)
editions for 124 cars.  Definitely a piece of the puzzle!

-
Max
Charleston SC

On Thu, May 11, 2017 at 6:29 AM, Dan Penoff via Mercedes <
mercedes@okiebenz.com> wrote:

> Actually, they’re called a “TDM”, or Technical Data manual, and they have
> details on specifications for a range of models and years.  The depth of
> the information in the TDMs is almost frightening.  They were published
> every few years and would cover a range of chassis and years, typically
> inclusive, such as the whole W123 chassis range along with other chassis’
> models of the same vintage.
>
> Wonderful little books to have when you need some obscure measurement or
> torque value.  I had one some years ago and I can recall getting things
> like ride or body height measurements out of it.
>
> -D
>
>
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Re: [MBZ] Compression test results

[Dan Penoff via Mercedes]

Actually, they’re called a “TDM”, or Technical Data manual, and they have 
details on specifications for a range of models and years.  The depth of the 
information in the TDMs is almost frightening.  They were published every few 
years and would cover a range of chassis and years, typically inclusive, such 
as the whole W123 chassis range along with other chassis’ models of the same 
vintage.

Wonderful little books to have when you need some obscure measurement or torque 
value.  I had one some years ago and I can recall getting things like ride or 
body height measurements out of it.

-D





> On May 11, 2017, at 12:01 AM, Larry Turner via Mercedes 
>  wrote:
> 
> There's a small, fat book (maybe 5x8x1) available from MBZ called "Technical 
> Specs" I think -- will confirm it tomorrow.  Anywho, it is filled with all 
> kinds of great info - torque values for almost everything, filling 
> capacities, etc for all kinds of MBs and variants.  Bought one for my W124 
> back around 2006 for $35 maybe? Probably not more than that but it has been 
> worth every penny! Highly recommend it.
> LarryT
> 91 300D
> 
> On 4/30/17 9:03 AM, Meade Dillon via Mercedes wrote:
>> I do have to say that the FSM on CD for the M104 is very lacking compared
>> to the OM60x.  I should probably try to find a paper copy?  I'm using Steve
>> Nervig's index, I've found a couple mislabeled links, it could be that his
>> index is not so good for the M104.
>> 
>> I had to pull those COPs to get the plugs out yesterday, looks like each
>> COP controls two plugs, so only three to deal with.
>> 
>> -
>> Max
>> Charleston SC
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Re: [MBZ] Compression test results

[Curley McLain via Mercedes]

how far back does the book go?


Larry Turner via Mercedes 
May 10, 2017 at 11:01 PM
There's a small, fat book (maybe 5x8x1) available from MBZ called 
"Technical Specs" I think -- will confirm it tomorrow.  Anywho, it is 
filled with all kinds of great info - torque values for almost 
everything, filling capacities, etc for all kinds of MBs and 
variants.  Bought one for my W124 back around 2006 for $35 maybe? 
Probably not more than that but it has been worth every penny! Highly 
recommend it.

LarryT
91 300D


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Re: [MBZ] Compression test results

[Larry Turner via Mercedes]

There's a small, fat book (maybe 5x8x1) available from MBZ called 
"Technical Specs" I think -- will confirm it tomorrow.  Anywho, it is 
filled with all kinds of great info - torque values for almost 
everything, filling capacities, etc for all kinds of MBs and variants.  
Bought one for my W124 back around 2006 for $35 maybe? Probably not more 
than that but it has been worth every penny! Highly recommend it.

LarryT
91 300D

On 4/30/17 9:03 AM, Meade Dillon via Mercedes wrote:

I do have to say that the FSM on CD for the M104 is very lacking compared
to the OM60x.  I should probably try to find a paper copy?  I'm using Steve
Nervig's index, I've found a couple mislabeled links, it could be that his
index is not so good for the M104.

I had to pull those COPs to get the plugs out yesterday, looks like each
COP controls two plugs, so only three to deal with.

-
Max
Charleston SC
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Re: [MBZ] Compression test results

[David Bruckmann via Mercedes]

Indeed, or the model index at:

http://manual.startekinfo.com/

which claims to cover 11 models, starting with the W201.


> On Apr 30, 2017, at 08:41, mercedes-requ...@okiebenz.com wrote:
> 
> On Sun, 30 Apr 2017, Dan Penoff wrote:
> 
> Why are you messing with Steve?s index when you can get your info right from 
> the source?
> 
> http://manual.startekinfo.com/manual/JSP/e1/content.jsp 
> 
> -D
> 
>> On Apr 30, 2017, at 9:03 AM, Meade Dillon via Mercedes 
>>  wrote:
>> 
>> I do have to say that the FSM on CD for the M104 is very lacking compared
>> to the OM60x.  I should probably try to find a paper copy?  I'm using Steve
>> Nervig's index, I've found a couple mislabeled links, it could be that his
>> index is not so good for the M104.
>> 
>> I had to pull those COPs to get the plugs out yesterday, looks like each
>> COP controls two plugs, so only three to deal with.
>> 
>> -
>> Max
>> Charleston SC
>> ___

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Re: [MBZ] Compression test results

[Curley McLain via Mercedes]

That's good to know.  I have not heard anything of him for the past ~20 
years.


I probably saw him for the brief time I was on the RE list.  that was 
probably 1996.  Back then the 123 was still new to me.  I had no 124 or 
126, so no use for his index.



Meade Dillon via Mercedes 
April 30, 2017 at 10:56 AM
Steve put a tremendous amount of work into that, and he'll still make
improvements if you send him stuff.

I may send him some of this, unless it is buried somewhere on the FSM CD
and I just couldn't find it on his index.

-
Max
Charleston SC


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Re: [MBZ] Compression test results

[Meade Dillon via Mercedes]

Steve put a tremendous amount of work into that, and he'll still make
improvements if you send him stuff.

I may send him some of this, unless it is buried somewhere on the FSM CD
and I just couldn't find it on his index.

-
Max
Charleston SC

On Sun, Apr 30, 2017 at 11:34 AM, Curley McLain via Mercedes <
mercedes@okiebenz.com> wrote:

> I think Steve did that work originally before the M104s.
>
> Meade Dillon via Mercedes 
>> April 30, 2017 at 8:03 AM
>>
>> I do have to say that the FSM on CD for the M104 is very lacking compared
>> to the OM60x. I should probably try to find a paper copy? I'm using Steve
>> Nervig's index, I've found a couple mislabeled links, it could be that his
>> index is not so good for the M104.
>>
>>
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Re: [MBZ] Compression test results

[Meade Dillon via Mercedes]

Finished download a treasure trove of diagnostics: Engine (ignition and
fuel), Soft Top, and Roll Bar.

Thanks again Dan!

-
Max
Charleston SC

On Sun, Apr 30, 2017 at 9:28 AM, Dan Penoff via Mercedes <
mercedes@okiebenz.com> wrote:

> Why are you messing with Steve’s index when you can get your info right
> from the source?
>
> http://manual.startekinfo.com/manual/JSP/e1/content.jsp <
> http://manual.startekinfo.com/manual/JSP/e1/content.jsp>
>
> -D
>
>
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Re: [MBZ] Compression test results

[Curley McLain via Mercedes]

I think Steve did that work originally before the M104s.


Meade Dillon via Mercedes 
April 30, 2017 at 8:03 AM
I do have to say that the FSM on CD for the M104 is very lacking compared
to the OM60x. I should probably try to find a paper copy? I'm using Steve
Nervig's index, I've found a couple mislabeled links, it could be that his
index is not so good for the M104.

I had to pull those COPs to get the plugs out yesterday, looks like each
COP controls two plugs, so only three to deal with.

-
Max
Charleston SC


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Re: [MBZ] Compression test results

[Meade Dillon via Mercedes]

Bingo!  Thanks Dan!  I kept reading in the FSM references to the
"Diagnostic Manual Engine Vol 1/2", but just couldn't seem to find it...

-
Max
Charleston SC

On Sun, Apr 30, 2017 at 9:28 AM, Dan Penoff via Mercedes <
mercedes@okiebenz.com> wrote:

> Why are you messing with Steve’s index when you can get your info right
> from the source?
>
> http://manual.startekinfo.com/manual/JSP/e1/content.jsp <
> http://manual.startekinfo.com/manual/JSP/e1/content.jsp>
>
> -D
>
>
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Re: [MBZ] Compression test results

[Meade Dillon via Mercedes]

Yes.

-
Max
Charleston SC

On Sun, Apr 30, 2017 at 9:19 AM, Kaleb Striplin via Mercedes <
mercedes@okiebenz.com> wrote:

> I thought we were talking about a 94/95 e320?
>
> Sent from my iPhone
>
> > On Apr 30, 2017, at 7:50 AM, Dan--- via Mercedes 
> wrote:
> >
> > No distributor, it's got COPs (coil on plugs).
> >
> > -D
> >
>
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Re: [MBZ] Compression test results

[Dan Penoff via Mercedes]

Why are you messing with Steve’s index when you can get your info right from 
the source?

http://manual.startekinfo.com/manual/JSP/e1/content.jsp 


-D

> On Apr 30, 2017, at 9:03 AM, Meade Dillon via Mercedes 
>  wrote:
> 
> I do have to say that the FSM on CD for the M104 is very lacking compared
> to the OM60x.  I should probably try to find a paper copy?  I'm using Steve
> Nervig's index, I've found a couple mislabeled links, it could be that his
> index is not so good for the M104.
> 
> I had to pull those COPs to get the plugs out yesterday, looks like each
> COP controls two plugs, so only three to deal with.
> 
> -
> Max
> Charleston SC
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Re: [MBZ] Compression test results

[Kaleb Striplin via Mercedes]

I thought we were talking about a 94/95 e320?

Sent from my iPhone

> On Apr 30, 2017, at 7:50 AM, Dan--- via Mercedes  
> wrote:
> 
> No distributor, it's got COPs (coil on plugs).
> 
> -D
> 
>> On Apr 30, 2017, at 8:47 AM, M. Mitchell Marmel via Mercedes 
>>  wrote:
>> 
>> Double check the distributor rotor as well; that's why my 300E wasn't
>> running when I got it.
>> 
>> On Sat, Apr 29, 2017 at 9:55 PM, Max Dillon via Mercedes <
>> mercedes@okiebenz.com> wrote:
>> 
>>> Thanks all.  I'll dig into the fuel pump relay wiring to see how to power
>>> the fuel pumps.
>>> 
>>> Testing spark will also require some research, it seems.
>>> 
>>> I think it would be wise to drain the fuel tank and lines of the stale gas
>>> and any accumulated water, no?
>>> --
>>> Max Dillon
>>> Charleston SC
>>> '87 300TD
>>> '95 E300
>>> ___
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>>> 
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> 
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Re: [MBZ] Compression test results

[Meade Dillon via Mercedes]

I do have to say that the FSM on CD for the M104 is very lacking compared
to the OM60x.  I should probably try to find a paper copy?  I'm using Steve
Nervig's index, I've found a couple mislabeled links, it could be that his
index is not so good for the M104.

I had to pull those COPs to get the plugs out yesterday, looks like each
COP controls two plugs, so only three to deal with.

-
Max
Charleston SC
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Re: [MBZ] Compression test results

[Dan--- via Mercedes]

No distributor, it's got COPs (coil on plugs).

-D

> On Apr 30, 2017, at 8:47 AM, M. Mitchell Marmel via Mercedes 
>  wrote:
> 
> Double check the distributor rotor as well; that's why my 300E wasn't
> running when I got it.
> 
> On Sat, Apr 29, 2017 at 9:55 PM, Max Dillon via Mercedes <
> mercedes@okiebenz.com> wrote:
> 
>> Thanks all.  I'll dig into the fuel pump relay wiring to see how to power
>> the fuel pumps.
>> 
>> Testing spark will also require some research, it seems.
>> 
>> I think it would be wise to drain the fuel tank and lines of the stale gas
>> and any accumulated water, no?
>> --
>> Max Dillon
>> Charleston SC
>> '87 300TD
>> '95 E300
>> ___
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Re: [MBZ] Compression test results

[Dan--- via Mercedes]

If it's got COPs, you're probably OK. They're pretty bulletproof and easy to 
troubleshoot if one's not working.  I'm betting on a fuel problem.

-D

> On Apr 29, 2017, at 10:55 PM, Max Dillon via Mercedes  
> wrote:
> 
> Thanks all.  I'll dig into the fuel pump relay wiring to see how to power the 
> fuel pumps.
> 
> Testing spark will also require some research, it seems.
> 
> I think it would be wise to drain the fuel tank and lines of the stale gas 
> and any accumulated water, no?
> -- 
> Max Dillon
> Charleston SC
> '87 300TD
> '95 E300
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Re: [MBZ] Compression test results

[M. Mitchell Marmel via Mercedes]

Double check the distributor rotor as well; that's why my 300E wasn't
running when I got it.

On Sat, Apr 29, 2017 at 9:55 PM, Max Dillon via Mercedes <
mercedes@okiebenz.com> wrote:

> Thanks all.  I'll dig into the fuel pump relay wiring to see how to power
> the fuel pumps.
>
> Testing spark will also require some research, it seems.
>
> I think it would be wise to drain the fuel tank and lines of the stale gas
> and any accumulated water, no?
> --
> Max Dillon
> Charleston SC
> '87 300TD
> '95 E300
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Re: [MBZ] Compression test results

[Max Dillon via Mercedes]

Thanks all.  I'll dig into the fuel pump relay wiring to see how to power the 
fuel pumps.

Testing spark will also require some research, it seems.

I think it would be wise to drain the fuel tank and lines of the stale gas and 
any accumulated water, no?
-- 
Max Dillon
Charleston SC
'87 300TD
'95 E300
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Re: [MBZ] Compression test results

[Craig via Mercedes]

On Sat, 29 Apr 2017 19:22:49 -0500 Curley McLain via Mercedes
 wrote:

> M104 has COP, so no external coil.   Look for a computer.

It has one "driver" assembly on the left fenderwell; the M119 has two.
There is wording in the driver assemblies that they are high energy and
dangerous.


Craig


> > Max Dillon via Mercedes 
> > April 29, 2017 at 6:54 PM
> > Aye aye!
> > Craig via Mercedes 
> > April 29, 2017 at 6:47 PM
> > On Sat, 29 Apr 2017 19:32:04 -0400 Max Dillon via Mercedes
> >
> > If this is like a W124 sedan ('95 E420), there is an electric fuel
> > pump and a fuel filter aft of the stern of the transmission starboard
> > of the driveshaft.
> >
> > The ignition assemblies are on the port side of the engine
> > compartment on the fenderwell.
> >
> >
> > Craig
> 
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Craig

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 '89 Chevrolet G20 Beauville Van (affectionately dubbed the BRV,
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Past:'95 E320   Sebastian  135 kmi   RIP
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Re: [MBZ] Compression test results

[OK Don via Mercedes]

It requires fuel, spark, and air to run - check for the presence of each
one - -

On Sat, Apr 29, 2017 at 6:32 PM, Max Dillon via Mercedes <
mercedes@okiebenz.com> wrote:

> Not running.  Story is it was at a garage for repair, which they diagnosed
> to bad fuel pumps, but owner never authorized repair and then died.  Car
> sat for 2 or 3 years, yada yada yada, I buy it for $500.
>
> I'm going to have to research testing both fuel and spark.
> --
> Max Dillon
> Charleston SC
> '87 300TD
> '95 E300
>
> On April 29, 2017 7:13:38 PM EDT, Dan Penoff via Mercedes <
> mercedes@okiebenz.com> wrote:
> >Not to sound daft, but does it not run or was it disassembled?
> >
> >At this point I would be looking for fuel and spark.  Your numbers look
> >good for a cold test, and they’re very well grouped.
> >
> >-D
> >
> >
> >> On Apr 29, 2017, at 6:51 PM, Max Dillon via Mercedes
> > wrote:
> >>
> >> Today I made some time to test the compression on the M104 engine in
> >the 1995 $500 Cabriolet. Here are the results.
> >>
> >> The service manual says test a hot engine, can't do that, so I put
> >about half an ounce of oil into each hole prior to testing.  Acceptable
> >values are from 145 psi to 203, no more than 21 psi difference.
> >>
> >> From cylinder one to six:
> >> 165
> >> 176
> >> 170
> >> 166
> >> 170
> >> 170
> >>
> >> What's the next step to get this engine running?  Fuel pumps testing?
> >> --
> >> Max Dillon
> >> Charleston SC
> >> '87 300TD
> >> '95 E300
> >> ___
> >> http://www.okiebenz.com
> >>
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> >>
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> >>
> >>
> >
> >
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Re: [MBZ] Compression test results

[Dan Penoff via Mercedes]

There ‘ya go.  I was combining my W126 and W124 troubleshooting…

-D


> On Apr 29, 2017, at 8:18 PM, Kaleb Striplin via Mercedes 
>  wrote:
> 
> Or just do it the easy way and jumper a couple of pins on the fuel pump relay 
> 
> Sent from my iPhone
> 


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Re: [MBZ] Compression test results

[Curley McLain via Mercedes]

M104 has COP, so no external coil.   Look for a computer.


Max Dillon via Mercedes 
April 29, 2017 at 6:54 PM
Aye aye!
Craig via Mercedes 
April 29, 2017 at 6:47 PM
On Sat, 29 Apr 2017 19:32:04 -0400 Max Dillon via Mercedes

If this is like a W124 sedan ('95 E420), there is an electric fuel pump
and a fuel filter aft of the stern of the transmission starboard of the
driveshaft.

The ignition assemblies are on the port side of the engine compartment on
the fenderwell.


Craig


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Re: [MBZ] Compression test results

[Kaleb Striplin via Mercedes]

Or just do it the easy way and jumper a couple of pins on the fuel pump relay 

Sent from my iPhone

> On Apr 29, 2017, at 7:16 PM, Dan Penoff via Mercedes  
> wrote:
> 
> I would carefully hot wire the fuel pump and see if the pump runs to begin.  
> The terminals are exposed on it, that is, they have a rubber boot over a stud 
> that you can pull back to put +12VDC to it.  The pump and filter are sort of 
> in tandem in the back of the car on the right side behind the axle.  There 
> may (should) be a plastic shield that surrounds them - it takes a couple of 
> 10mm self tapping screws to remove to get it off the car and out of the way.
> 
> If you get the pump to run by hot wiring it, I guess I would go for the fuel 
> pup relay next - I believe this model had an FPR.  You can “cheat” the 
> circuit at the socket of the relay to get the pump running, as well as probe 
> the socket to see if the relay is getting power when the ignition is on.
> 
> Guys - any chance the OVP relay could be playing into this?
> 
> -D not 100% on my W124 troubleshooting these days
> 
> 
> 
> 
>> On Apr 29, 2017, at 7:54 PM, Max Dillon via Mercedes  
>> wrote:
>> 
>> Aye aye!
>> -- 
>> Max Dillon
>> Charleston SC
>> '87 300TD
>> '95 E300
>> 
>>> On April 29, 2017 7:47:52 PM EDT, Craig via Mercedes 
>>>  wrote:
>>> 
>>> If this is like a W124 sedan ('95 E420), there is an electric fuel pump
>>> and a fuel filter aft of the stern of the transmission starboard of the
>>> driveshaft.
>>> 
>>> The ignition assemblies are on the port side of the engine compartment
>>> on
>>> the fenderwell.
>>> 
>>> 
>>> Craig
>>> 
>>> ___
>>> http://www.okiebenz.com
>>> 
>>> To search list archives http://www.okiebenz.com/archive/
>>> 
>>> To Unsubscribe or change delivery options go to:
>>> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
>> 
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>> 
>> 
> 
> 
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Re: [MBZ] Compression test results

[Dan Penoff via Mercedes]

I would carefully hot wire the fuel pump and see if the pump runs to begin.  
The terminals are exposed on it, that is, they have a rubber boot over a stud 
that you can pull back to put +12VDC to it.  The pump and filter are sort of in 
tandem in the back of the car on the right side behind the axle.  There may 
(should) be a plastic shield that surrounds them - it takes a couple of 10mm 
self tapping screws to remove to get it off the car and out of the way.

If you get the pump to run by hot wiring it, I guess I would go for the fuel 
pup relay next - I believe this model had an FPR.  You can “cheat” the circuit 
at the socket of the relay to get the pump running, as well as probe the socket 
to see if the relay is getting power when the ignition is on.

Guys - any chance the OVP relay could be playing into this?

-D not 100% on my W124 troubleshooting these days




> On Apr 29, 2017, at 7:54 PM, Max Dillon via Mercedes  
> wrote:
> 
> Aye aye!
> -- 
> Max Dillon
> Charleston SC
> '87 300TD
> '95 E300
> 
> On April 29, 2017 7:47:52 PM EDT, Craig via Mercedes  
> wrote:
>> 
>> If this is like a W124 sedan ('95 E420), there is an electric fuel pump
>> and a fuel filter aft of the stern of the transmission starboard of the
>> driveshaft.
>> 
>> The ignition assemblies are on the port side of the engine compartment
>> on
>> the fenderwell.
>> 
>> 
>> Craig
>> 
>> ___
>> http://www.okiebenz.com
>> 
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>> 
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>> http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
> 
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> 
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> 
> 


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Re: [MBZ] Compression test results

[Max Dillon via Mercedes]

Aye aye!
-- 
Max Dillon
Charleston SC
'87 300TD
'95 E300

On April 29, 2017 7:47:52 PM EDT, Craig via Mercedes  
wrote:
>
>If this is like a W124 sedan ('95 E420), there is an electric fuel pump
>and a fuel filter aft of the stern of the transmission starboard of the
>driveshaft.
>
>The ignition assemblies are on the port side of the engine compartment
>on
>the fenderwell.
>
>
>Craig
>
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Re: [MBZ] Compression test results

[Craig via Mercedes]

On Sat, 29 Apr 2017 19:32:04 -0400 Max Dillon via Mercedes
 wrote:

> Not running.  Story is it was at a garage for repair, which they
> diagnosed to bad fuel pumps, but owner never authorized repair and then
> died.  Car sat for 2 or 3 years, yada yada yada, I buy it for $500.
> 
> I'm going to have to research testing both fuel and spark.

If this is like a W124 sedan ('95 E420), there is an electric fuel pump
and a fuel filter aft of the stern of the transmission starboard of the
driveshaft.

The ignition assemblies are on the port side of the engine compartment on
the fenderwell.


Craig

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Re: [MBZ] Compression test results

[Max Dillon via Mercedes]

Not running.  Story is it was at a garage for repair, which they diagnosed to 
bad fuel pumps, but owner never authorized repair and then died.  Car sat for 2 
or 3 years, yada yada yada, I buy it for $500.

I'm going to have to research testing both fuel and spark.
-- 
Max Dillon
Charleston SC
'87 300TD
'95 E300

On April 29, 2017 7:13:38 PM EDT, Dan Penoff via Mercedes 
 wrote:
>Not to sound daft, but does it not run or was it disassembled?
>
>At this point I would be looking for fuel and spark.  Your numbers look
>good for a cold test, and they’re very well grouped.
>
>-D
>
>
>> On Apr 29, 2017, at 6:51 PM, Max Dillon via Mercedes
> wrote:
>> 
>> Today I made some time to test the compression on the M104 engine in
>the 1995 $500 Cabriolet. Here are the results. 
>> 
>> The service manual says test a hot engine, can't do that, so I put
>about half an ounce of oil into each hole prior to testing.  Acceptable
>values are from 145 psi to 203, no more than 21 psi difference.
>> 
>> From cylinder one to six:
>> 165
>> 176
>> 170
>> 166
>> 170
>> 170
>> 
>> What's the next step to get this engine running?  Fuel pumps testing?
>> -- 
>> Max Dillon
>> Charleston SC
>> '87 300TD
>> '95 E300
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>> 
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>> 
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>> 
>
>
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Re: [MBZ] Compression test results

[Dan Penoff via Mercedes]

Not to sound daft, but does it not run or was it disassembled?

At this point I would be looking for fuel and spark.  Your numbers look good 
for a cold test, and they’re very well grouped.

-D


> On Apr 29, 2017, at 6:51 PM, Max Dillon via Mercedes  
> wrote:
> 
> Today I made some time to test the compression on the M104 engine in the 1995 
> $500 Cabriolet. Here are the results. 
> 
> The service manual says test a hot engine, can't do that, so I put about half 
> an ounce of oil into each hole prior to testing.  Acceptable values are from 
> 145 psi to 203, no more than 21 psi difference.
> 
> From cylinder one to six:
> 165
> 176
> 170
> 166
> 170
> 170
> 
> What's the next step to get this engine running?  Fuel pumps testing?
> -- 
> Max Dillon
> Charleston SC
> '87 300TD
> '95 E300
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[MBZ] Compression test results

[Max Dillon via Mercedes]

Today I made some time to test the compression on the M104 engine in the 1995 
$500 Cabriolet. Here are the results. 

The service manual says test a hot engine, can't do that, so I put about half 
an ounce of oil into each hole prior to testing.  Acceptable values are from 
145 psi to 203, no more than 21 psi difference.

>From cylinder one to six:
165
176
170
166
170
170

What's the next step to get this engine running?  Fuel pumps testing?
-- 
Max Dillon
Charleston SC
'87 300TD
'95 E300
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Re: [MBZ] Compression test results

[Kaleb C. Striplin via Mercedes]

That is what I am figuring 

Sent from my iPhone

> On Dec 4, 2016, at 3:51 PM, Peter Frederick via Mercedes 
>  wrote:
> 
> #1 is low, but if there was no heat shield in there, it may come back when 
> you run it a while with one -- should get the carbon out of the rings.
> 
> Can't be any worse than my  300 D -- I'm afraid to check the compression.
> 
> Peter
> 
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Re: [MBZ] Compression test results

[Peter Frederick via Mercedes]

#1 is low, but if there was no heat shield in there, it may come back  
when you run it a while with one -- should get the carbon out of the  
rings.


Can't be any worse than my  300 D -- I'm afraid to check the  
compression.


Peter

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[MBZ] Compression test results

[Kaleb C. Striplin via Mercedes]

Here is what I got dry/wet

1 310/330
2 320/360
3 340/400
4 360/430
5 370/410
6 360/430

Sent from my iPhone

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