1966 Mercedes-Benz 230 S

Started on Dec. 20, 2011, 9:40 a.m.

Our 1966 Mercedes-Benz 230s is a moderately rare example with 4-speed floor shift and factory air conditioning. It’s a running, driving car in need of some TLC, so follow along as we get to know the “heckflosse” or “fintail” Benz.

1966 Mercedes-Benz 230 S

Specs

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Body type:Sedan
Country of origin:Germany
0-60 time:16.0 seconds
Displacement:2306cc
Stock horsepower:120 bhp @ 5400 rpm
Torque:137 lb.-ft @ 3800 rpm
Engine configuration:Inline-6
Transmission:4-speed manual
Drivetrain configuration:Rear-wheel drive
Brakes:disc/drum
Body width:70.7 in.
Curb weight:3109 lbs.
Wheelbase:108.3 in.
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Latest Project Updates

May 8, 2014

The Mercedes Makes Power

May 8, 2014

Our project Mercedes-Benz 230 S gets a workout at the dyno. Check out the results.

Apr 21, 2014

Christmas for Car Guys

Apr 21, 2014

We get some parts from Mercedes-Benz Classic Center.

Apr 10, 2014

Autocross Our 230 S? Yeah, We Did That.

Apr 10, 2014

Think you can’t autocross your vintage car? Think again.

Mar 26, 2014

To the Front

Mar 26, 2014

Our front end needed to undergo a facelift—of the ball joint kind.

Mar 21, 2014

Testing Out the Bigger Engine

Mar 21, 2014

We should now be calling it a Mercedes 280 S.

Mar 14, 2014

An Expert's Analysis

Mar 14, 2014

Nate Landers of Mercedes-Benz Classic Center helped us improve our Heckflosse.

Mar 11, 2014

Cars and Coffee at Amelia

Mar 11, 2014

As the sun came up, we were on the lawn talking Mercedes.

Mar 7, 2014

Finishing up the Orange Blossom Tour

Mar 7, 2014

We only had a couple minor fuel issues on the long tour.

Mar 5, 2014

A Successful Start

Mar 5, 2014

We embark on the Orange Blossom Tour with our Mercedes Heckflosse.

Mar 1, 2014

Heading Into the Orange Blossoms

Mar 1, 2014

Our Fintail Mercedes departs for the Orange Blossom Tour.

Oct 11, 2013

Final Touches

Oct 11, 2013

We adapt the accessories and install the new engine into our Mercedes fintail.

Sep 20, 2013

Swapping Engines

Sep 20, 2013

On the hunt for a more powerful engine.

Sep 5, 2013

Finding the Oil Leak

Sep 5, 2013

Our tired old engine is burning and leaking oil.

Aug 5, 2013

Tunes for the Open Road

Aug 5, 2013

A road trip calls for a good stereo.

Jul 15, 2013

Making a New List

Jul 15, 2013

With the old 230 S safely home, it was time to make a new list of things to fix and decide what event we wanted to run in next.

Jul 15, 2013

We Made It Home

Jul 15, 2013

Driving home in our Mercedes-Benz 230 S after our family vacation was a ride to remember.

Jul 15, 2013

Rear Vibrations

Jul 15, 2013

With our alternator repaired, our biggest problem was a vibration coming from the rear.

Jul 2, 2013

Stopping for Help

Jul 2, 2013

Our modern devices put the drain on our old alternator.

Jul 1, 2013

Extra Brake Cooling?

Jul 1, 2013

We try out some cooling fins.

Jun 25, 2013

Taking a Family Trip

Jun 25, 2013

We had to leave our tools and spares at home, but that didn’t stop us from taking our Project Benz on our 3400-mile family road-trip vacation.

Jun 25, 2013

Prepping for a Family Trip

Jun 25, 2013

Summary

Jun 24, 2013

Upgrading the Differential

Jun 24, 2013

A two-in-one upgrade: rear discs and limited slip.

Jun 24, 2013

Making Sure the A/C Works

Jun 24, 2013

It’s getting cold in here.

Jun 20, 2013

Ready to Rally

Jun 20, 2013

We give this Benz the rally look.

Jun 20, 2013

Off to Pinehurst

Jun 20, 2013

Our visit to the Pinehurst Concours was memorable, though not fruitful.

Jun 19, 2013

Finishing Up

Jun 19, 2013

We fire up the old Fintail’s engine and go for a drive.

Jun 18, 2013

Taillight Restoration

Jun 18, 2013

We literally cut our lens out with a Dremel tool.

Jun 14, 2013

Dealing with the Chrome

Jun 14, 2013

Chrome doesn’t get much better than this work by Graves Plating.

Jun 4, 2013

Rearing the Rear

Jun 4, 2013

We disassemble the rear end of our Mercedes-Benz 230 S.

May 30, 2013

Emptying the Engine Bay

May 30, 2013

We took out the engine so we could properly paint the engine bay and refresh the driveline seals.

May 24, 2013

Carpets and Headliner

May 24, 2013

We cover the top and bottom inside our Mercedes Heckflosse.

May 22, 2013

Beginning Reassembly

May 22, 2013

Our Benz has fresh paint, so it’s time to put it back together.

May 1, 2013

Trim Prep

May 1, 2013

This Mercedes has lots of brightwork

Apr 12, 2013

Painting the Fintail

Apr 12, 2013

Two tones for the tub

Mar 29, 2013

So, what color do we paint this thing?

Mar 29, 2013

We looked at an original Mercedes sales presentation book to decide.

Mar 20, 2013

The bodywork begins

Mar 20, 2013

We were very pleased with how nice and straight our nearly 50 year-old Mercedes turned out to be.

Mar 15, 2013

A trip to the Mercedes-Benz Classic Center

Mar 15, 2013

They’re a great source of parts for your old tri-star.

Mar 13, 2013

Off to the body shop

Mar 13, 2013

We don’t have the time to do the body ourselves, so we called up the professionals.

Mar 6, 2013

Front rocker panel repairs

Mar 6, 2013

The next ones to need attention on our Mercedes Fintail are the fronts, of course.

Feb 27, 2013

Rear quarter repair

Feb 27, 2013

These problems weren’t as minor as we thought.

Feb 20, 2013

Installing a new trunk floor

Feb 20, 2013

Our hole-riddled trunk receives a much-needed replacement.

Feb 8, 2013

Repairing the front crossmember

Feb 8, 2013

We begin an adventure into rust repair.

Jan 7, 2013

Getting Started

Jan 7, 2013

Rust repair is the first order of business.

Dec 21, 2012

Taking a Ratty Benz to a Concours

Dec 21, 2012

We’ve done rallycross, soon it’s time to bring the dirt to the show circuit.

Dec 14, 2012

Restoration Creep

Dec 14, 2012

We repair our fintail’s rusted front crossmember.

Sep 26, 2012

More Interior Restoration

Sep 26, 2012

We continue restoring our fintail Benz’s interior on the cheap.

Sep 12, 2012

Starting our Benz's Interior Restoration

Sep 12, 2012

We got our seats all awesome.

Jul 18, 2012

Tearing apart our parts car

Jul 18, 2012

We’re very happy with our parts car.

Jul 5, 2012

In search of a parts car

Jul 5, 2012

We looked for a parts car to source some much-needed interior pieces.

Jun 15, 2012

A cheap fix for our transmission

Jun 15, 2012

We were frightened by the $3000 repair bill, but we found the real problem with our transmission was an easy fix.

May 30, 2012

Our Second Rallycross

May 30, 2012

We took our Benz to another rallycross—and then swore we wouldn’t do another until we get the gearbox fixed.

Apr 25, 2012

Fixing the exhaust system

Apr 25, 2012

The loud exhaust on our fintail Benz was driving us nuts. Nuts, we tell you.

Apr 23, 2012

Because Shifting Gears Is a Good Thing

Apr 23, 2012

Fixing our Mercedes-Benz’s shifter bushings.

Apr 13, 2012

Getting Our Benz Ready to Rumble

Apr 13, 2012

We head out for a little off-road shakedown to make sure our Benz is ready to rallycross.

Apr 11, 2012

New Subframe Bushings

Apr 11, 2012

It’s a good thing we checked the subframe bushings before our first rallycross.

Mar 30, 2012

Can We Get a Reading?

Mar 30, 2012

We either need an accurate odometer or a working fuel gauge.

Mar 23, 2012

License, Insurance and Registration, Please

Mar 23, 2012

We make our Mercedes fully street-legal.

Mar 20, 2012

Time to Weigh In

Mar 20, 2012

Let’s check out the weight distribution on our 1966 Mercedes-Benz 230 S.

Mar 13, 2012

A Place To Rest Our Heads

Mar 13, 2012

It’s time to reinstall the factory headrests.

Mar 6, 2012

Mercedes Rallycross Debut

Mar 6, 2012

TIme for some good, dirty fun in our Mercedes. Let’s go rallycrossing!

Mar 2, 2012

Carburetor Rebuild

Mar 2, 2012

Refreshing the Zenith carburetors on our Mercedes-Benz 230 S.

Feb 2, 2012

Wheels and Tires for Our Classic Mercedes

Feb 2, 2012

We’re getting ready to rally with our Mercedes 230S project.

Jan 26, 2012

Fighting Corrosion and Carelessness

Jan 26, 2012

The devil is in the details, and our Benz 230s has a lot of details.

Jan 10, 2012

Better Braking for Our Benz

Jan 10, 2012

Our fintail Mercedes gets some needed stopping power.

Jan 6, 2012

Fixing Doors and More

Jan 6, 2012

We prefer our Benz to have working windows and doors.

Dec 27, 2011

Beginning With the Benz

Dec 27, 2011

This ‘50s-looking car isn’t fast, but it’s fun to drive and handles like it’s from the ‘80s.

Dec 20, 2011

Merry Mercedes

Dec 20, 2011

Meet our new project. These fintail sedans are rugged as hell and have a great rally reputation.

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1966 Mercedes-Benz 230 S Specs

Body type:Sedan
Country of origin:Germany
0-60 time:16.0 seconds
Displacement:2306cc
Stock horsepower:120 bhp @ 5400 rpm
Torque:137 lb.-ft @ 3800 rpm
Engine configuration:Inline-6
Transmission:4-speed manual
Drivetrain configuration:Rear-wheel drive
Brakes:disc/drum
Body width:70.7 in.
Curb weight:3109 lbs.
Wheelbase:108.3 in.
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