upgrades on 65 220seb - Mercedes-Benz Forum

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post #1 of 7 (permalink) Old 09-20-2006, 01:05 PM Thread Starter
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upgrades on 65 220seb

i'm interested in upgrading the braking, lighting and steering systems on the car. any ideas of how (if possible) and where to get the required parts.

1965 Mercedes Benz 220SEb (USA)
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1989 Mercedes Benz 300SE (Pakistan)
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post #2 of 7 (permalink) Old 09-20-2006, 01:47 PM
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Originally Posted by mercbuff
i'm interested in upgrading the braking, lighting and steering systems on the car. any ideas of how (if possible) and where to get the required parts.
Disc brakes, power steering and halogens? Remember this is a 41 year old lady... think a well sorted breaker yard plus a lot of imagination and creativity will be necessary. Let us know what exactly your plans are.

“One who conquers himself is greater than another who conquers a thousand times a thousand on the battlefield.”
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post #3 of 7 (permalink) Old 09-23-2006, 09:15 AM
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Greetings, Mercbuff-----------

A few years ago, I considered going through just such a program on a 111 coupe--ironically, it also was a 1965 220 SEb. My mechanic keeps a sizeable boneyard, and we planned an upgrade from the manual steering and all-drum brakes to 1972-vintage 108-body parts, giving it faster-ratio power steering with good feel, and 4-wheel disc brakes. The entire program was only going to be about $1000 to $1500, parts & labor (he's a bargain, needless to say). Unfortunately, the deal for the car fizzled out. In any case, the parts must interchange readily, based on his plans for my car at the time.

Maybe the best way to perform the upgrades would be to find a 108 with dead engine as a parts source. But first---VERIFY my mechanic's comments on parts interchange.

If ever you do buy a 108 parts car, please keep me in mind, as I may be buying a 108 which will require lots of parts---but none that you'd need for your 111.

Jim Rothrock
Windermere, Florida
1970 300 SEL 6.3
1979 450 SLC 5.0
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post #4 of 7 (permalink) Old 09-24-2006, 05:04 AM
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A '65 car with drums? ,sounds unuusal but then again Mercs were being held by Studebaker in US as unsold items beyond their 'manufacture 'year.
Easiest thing to do is swap in the front end complete from a W108 280SE 3.5 and use the diff,it has a higher ratio than the diff you have now.It bolts in ,has disc brakes which use the same pads as the W126 ,and swap in the complete brake booster and master cylinder assembly.
All steering boxes are the same.
I have several here,all from different cars from W111 to W109.
There is no difference in the internals regardless of what has been written .If you are changing from manual to power steer you need to swap in the entire column as the power steer column is shorter.
Headlights are easy,just look at what the street rod guys are using today.
Back in their day ,these were the best cars in world ..bar none.Today a W111 in good conditon is a revelation to drive and favourably compares to any modern car.
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post #5 of 7 (permalink) Old 06-02-2010, 03:01 PM
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So would all drivetrain, steering and brake components swap over from a W108 to a W111, thanks. Later.

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post #6 of 7 (permalink) Old 06-04-2010, 05:18 AM
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Originally Posted by 50$84sd View Post
So would all drivetrain, steering and brake components swap over from a W108 to a W111?
Not quite. The brake booster on the 111 sits lower than in the 108. Swapping the 108's engine will require the booster to be moved.

The suspension of the 108 will bolt directly into the 111.
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post #7 of 7 (permalink) Old 06-05-2010, 02:54 PM
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Vehicle: 1965 220SE sedan (finnie) with 450SE conversion, 1964 220SE coupe project, 1966 300SE coupe
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I have a W108 280S drivetrain in my driver finnie, and am putting a 450V8 in my project car. Mercmad did the 280S swap. Things to be aware of:
- driveshaft had to be shortened about 80mm. The driveshaft centre bearing is in a different place.
- need to extend wiring to the trans switch, and use the 108 trans crossmember
- set up wiring for auto chokes
- swap a plate at the base of the column for the auto trans column shift pattern
- when swapping from the drum brake finny rear to the disc brake W108 rear (needed to do this as the trans ratio's are different, and the engine was screaming at 100km/hr) - remove the valve in the rear brake circuit that retains residual pressure on the drums
- needed to make up a new speedo cable with a 108 connection at the trans and the finnie speedo head threaded collar
- use 108 radiator hose
- needed a bit of room created with a hammer around the flexible coupling at the back of the trans
I kept my finnie brake master cylinder.

On my V8 project, it has the braking system from a 108 3.5 car. The aluminium mouting bracket on the back of the booster had to be swapped for a finnie one as the firewall mounts are different - the finnie one needed some relief grinding to match the 108 booster.
V8 also needed bigger trans tunnel and wiring mods.
Compared to my '56 customline, the finnie handles really well.
Cheers, Drew
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