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  #1  
Old 03-09-2012, 01:40 PM
whunter's Avatar
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Location: Metro Detroit, Michigan
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What must have tools and/or MB special do you own or need?

New owners need to know.

I get this question several times per day.
I need your help building the list from a chassis "OWNER" viewpoint.

#1. What tools are absolutely CRITICAL?

#2. What tools are desirable?

#3. What tools are a waste of money - toolbox space?

When adding to this list:
If you have found ANY other options; Please don't limit yourself to Mercedes Special tools.


Thanks for your help.

.
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  #2  
Old 03-09-2012, 03:12 PM
Stretch's Avatar
...like a shield of steel
 
Join Date: Sep 2009
Location: Somewhere in the Netherlands
Posts: 14,453
By the time I've finished my little project I will have completed every job there is to do on my car. I will have completed loads of complicated jobs such as

Engine rebuild
Automatic transmission rebuild (722.118 Automatic transmission rebuild (Monster DIY))
Power steering pump rebuild
Steering box rebuild (What a feeling it will be! A properly adjusted W123 / W116 / W126 power steering box)
Front and rear suspension rebuilds
Front suspension adjustments (How I adjusted the toe in / out, camber and caster on my W123 300D)
Starter motor rebuild (PeachPartsWiki: Starter Motor Rebuild)
Alternator rebuild (PeachPartsWiki: Refreshing the Alternator)

etc etc etc

My point being that for all of the jobs I've done so far on my 300D I can say with certainty that you need but five Mercedes specific special tools:-

1) An internal spring compressor for the W123 front springs – in my opinion messing about with anything else is foolish and dangerous
2) A slotted nut socket for the rear wheel bearings – my advice would be to pay extra for the dealer version because it fits every time!
3) The set of three valve wrenches – even though there are several DIY solutions out there for this special tool I think you are better off buying a proper set.
4) Timing chain crimp tool is necessary if you are not removing the crank – otherwise you don't need it.
5) Pre-chamber tools

I think that all of the other Mercedes special tools are either no longer available, too expensive, or can be easily replicated by other means.

Other tools that I could not do without are

1) Torque wrench
2) Feeler gauges
3) Clock gauge / DTI with magnetic stand
4) A bit of old injector line and the union to make up a drip tube (diesel IP drip test)
5) Pressure bleeder for the brakes
6) Ball joint splitter for the tie rods
7) An endless supply of wood, string, tape, bolts, washers, nuts, ratchet strops etc to make special tools
8) Trolly jack – 2 are often quite useful!
9) Axles stands X 4
10) Angle grinder with a wire brush attachment <= favourite tool – the best thing ever
11) Vernier caliper
12) Micrometer
13) 46mm + 41mm open ended spanners
14) Multimeter
15) Tripple head "male" socket 15mm(?) for OM617 head removal
16) Harmonic balancer puller
17) Vacuum gauge
18) Oil pressure gauges

Basic tool kit should consist of
1/2” drive sockets 10mm to say 22mm is a good start
Two 1/2” drive ratchets
1/2” drive Allen head / hex head keys – so the ones attached to a 1/2” drive socket! 6mm, 8mm, 14mm a must!
1/2” drive 27mm socket (deep or shallow with / without extension so you can turn the crank by hand - it has to fit between radiator and crankshaft nut)
1/2” drive extension bar at least 600mm long for those stubborn bolts
Flat blade and cross point screw drivers
A 1/4” drive set of sockets for undoing interior and smaller parts of the car
A set of open ended and ring combination spanners – particularly with 15mm, 17mm and 19mm sizes
Penetrating oil
Rubber hammer
Hammer
Copper drift
Parallel pin punches


I advise anyone who is just starting out and wants to make up their own basic tool kit not to buy the most luxurious professional tools out there. Buy something with a life time warranty if you can - and use it! - or buy what you can afford and then replace the bits you break with the real decent stuff.


I've been compiling a list of daft W123 nut and bolt sizes here for the more unusual stuff.

Daft W123 300D nut and bolts sizes


Some things that are nice if you can afford them / have the space

a) Hydraulic press
b) A decent gas welding set to really heat up those stubborn things such as the Pitman arm nut <= I don't have that yet!

That's about all I can think of in one go – I reserve the right to return and edit this list if I think of something else!
__________________
1992 W201 190E 1.8 171,000 km - Daily driver
1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone
1965 Land Rover Series 2a Station Wagon CIS recovery therapy!
1961 Volvo PV544 Bare metal rat rod-ish thing

I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior



Don't leave that there - I'll take it to bits!

Last edited by Stretch; 03-10-2012 at 02:09 AM.
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  #3  
Old 03-09-2012, 03:26 PM
Home appliance genius
 
Join Date: Jul 2009
Location: cleveland
Posts: 1,160
W124:

triple square driver set. (head bolts, rear axle)
Multiple different size/ style allen drivers.
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  #4  
Old 03-09-2012, 05:17 PM
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Location: Shelbyville, Tn
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Bright unbreakable LED lights, magnetic base preferred

An inexpensive Digital Multi Meter, an ebay $10 item

Mityvac

Magnetic pickup tools. Amazing where tools, nuts or bolts will lodge given the chance.

Magnetic base bowl for collecting nuts, bolts and parts.

Rather than fighting with bolts and nuts add Kroil penetrating oil to your shop. Many tests have proven its the best commercial penetrating oil out there.

3/8" full socket set with ratchet and extension.

Quality life time warrantied ratcheting wrenches.

Nice to have a set of socket set allen wrenches.

Set of 90 degree to straight picks. Very handy for many MB connectors

The wish list includes a 3 to 5 hp compressor with ratchets and a quality battery
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1989 300E 125K
1992 940T

"If you dont have time to do it safely, you dont have time to do it"

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Last edited by TnBob; 03-12-2012 at 03:25 PM.
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  #5  
Old 03-09-2012, 05:50 PM
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Location: NW OR
Posts: 265
I haven't been on in a while, I've been working on a bike instead of a benz recently... but I was looking through the sunex catalog and discovered they make this axle flange nut socket.

I don't know how the quality is, but at that price I may find out. I have a couple sets of sunex impact sockets and I'm very happy with them, but their screwdrivers weren't great.

I don't know how "must have" this is for new owners, but if you are dealing with axles...
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  #7  
Old 03-12-2012, 12:57 PM
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Join Date: May 2000
Location: Soperton, Ga. USA
Posts: 12,250
One of my most used tools is the flywheel locking tool for the 124 chassis cars. I use it more than any other specific tool.
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  #8  
Old 03-12-2012, 03:09 PM
Stretch's Avatar
...like a shield of steel
 
Join Date: Sep 2009
Location: Somewhere in the Netherlands
Posts: 14,453
Quote:
Originally Posted by engatwork View Post
One of my most used tools is the flywheel locking tool for the 124 chassis cars. I use it more than any other specific tool.
I bet the one for the OM617 is also quite useful... perhaps I'll have to edit my post again.
__________________
1992 W201 190E 1.8 171,000 km - Daily driver
1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone
1965 Land Rover Series 2a Station Wagon CIS recovery therapy!
1961 Volvo PV544 Bare metal rat rod-ish thing

I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior



Don't leave that there - I'll take it to bits!
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  #9  
Old 03-12-2012, 04:06 PM
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Unfortunately the one for the 617 engine is quite pricy.
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  #10  
Old 03-12-2012, 04:30 PM
Stretch's Avatar
...like a shield of steel
 
Join Date: Sep 2009
Location: Somewhere in the Netherlands
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Quote:
Originally Posted by engatwork View Post
Unfortunately the one for the 617 engine is quite pricy.
I know. This is as far as I've got so far...

Has anyone ever made a good DIY tool to lock an OM617 flywheel?
__________________
1992 W201 190E 1.8 171,000 km - Daily driver
1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone
1965 Land Rover Series 2a Station Wagon CIS recovery therapy!
1961 Volvo PV544 Bare metal rat rod-ish thing

I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior



Don't leave that there - I'll take it to bits!
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  #11  
Old 03-13-2012, 01:54 PM
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Join Date: Oct 2007
Location: SoCal
Posts: 651
For the W210 V6-

1 - 17mm Hazet (#2771) valve wrench for removing spark plug boots

2 - Set of thin long handle wrenches for removing thermostatic fan
in order to remove the fan guard.

3 - Plastic wedge for disassembly of trim, etc

4 - OBD II Scanner

5 - Set of small clamps to pinch off fuel lines near fuel filter

6 - Dipstick tool for 722.6 transmission

7 - Radio keys and Cluster removal hooks.
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Last edited by RichardM98; 03-13-2012 at 02:09 PM.
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