1980-1991 Mercedes S-Class models: A buyer’s overview

The “126 body” S-class (or "126") sold from 1980-1991 is considered one of the most influential designs in Mercedes-Benz's history.

The “126 body” S-class (or “126”) sold from 1980-1991 is considered one of the most influential designs in Mercedes-Benz’s history.  Here, a 1990 560SEL is shown.

The “126 body” S-class (or “126”) sold from 1980-1991 is considered one of the most influential designs in Mercedes-Benz’s history.  It’s hard to argue 126’s exude power, sophistication and continue to inspire imitation today.  Among the sleekest designs on the road when introduced, 126s were among the first modern luxury cars equipped with anti-lock brakes, airbags, traction control, and many other technological advances.

(Photo slideshow for all S-Class variations is at end of article)

Many cinematic films selected this vintage of S-class to be driven by sinisterly powerful characters  – bad guys that command fear and respect.  One might say the 126 is a major motion picture star for its classic styling and clean lines that have not diminished even by today’s standards.

Whether you’ve always wanted one to collect or to use every day, prices have never been more affordable than they are now.  As an owner of a 1991 420SEL, I give you a reference guide to understand variations that existed during its production run.

BOTH 1970s FUEL CRISISES AFFECT 126-BODY DEVELOPMENT AND INTRODUCTION

small 1980-Mercedes-S-Class-wind-tunnel-bWhen designers and engineers began designing the 126-body S-class, the 1973 fuel crisis was fresh in their minds.  Engineers decided the next large Mercedes-Benz to be introduced would be lighter and more efficient than the 116 body S-class it replaced.

small 1980-Mercedes-126-drawing-aWith typical Mercedes thoroughness, engineers cut no corners.  Lightweight aluminum V8 engines of several sizes were designed and perfected with this luxury class model in mind.  The new body was given better aerodynamics.  Ways to cut weight and at the same time improve body strength were analyzed with great detail.  Fuel economy requirements that would exist by the car’s scheduled launch date for 1980 models, mandated by the U.S. government (and imagined by engineers) were important development factors as well.

Front stabilizer bars were moved from the firewall to frame legs for better crash performance.  Rubber mounts in the rear suspension were made larger for better isolation. Brake pads were made thicker and of improved lining materials.  Power steering sensitivity gave better road feel.  Doors were designed to overlap to allow opening after a crash.  Steering wheels were slightly larger, and power seats were available for the first time.

1980: NEW 126 MODELS DEBUT IN EUROPE ONE MODEL YEAR EARLIER THAN IN THE UNITED STATES.

A 126 with completely flush headlights, smaller plastic bumpers, lower-cost cloth interiors, and plastic wheel covers is a giveaway, since none of these items were ever available on U.S. models.

Short-wheelbase 280S, 280SE, 380SE, and 500SE models went into production first in December, 1979 as 1980 models for the European market only.  Here, a 1980 model is shown.  Any 126 with completely flush headlights, smaller plastic bumpers, and plastic wheel covers indicates a European model.  None of these were ever available on U.S.versions.

The 126 generation of the “S” (“Super”) class Mercedes was unveiled at the 1979 Frankfurt Auto Show.  As with prior S-classes, both a standard wheelbase design and an “L” (Long wheelbase design stretched four inches at rear door openings) were created.  Standard-wheelbase 280S, 280SE, 380SE, and 500SE models went into production first in December, 1979 as 1980 models for the European market only.  For clarification, “E” stands for fuel-injection, which the 280S did not have.  It’s interesting to note that 1980 versions of the previous 116-body S-class were still being sold both in Germany and in the United States.

 

1981: U.S. INTRODUCTION OF 300SD TURBODIESEL AND 380SEL V8 MODELS.

Since 126s were hundreds of pounds lighter than their predecessor, smaller engines and 4-speed automatics (in place of 3-speed units) could achieve greater economy.  Iron block 2.8-liter six cylinder engines, and 3.0-liter five cylinder turbodiesel engines were carried over unchanged from the previous S-class.  A new 3.8-liter aluminum V8 gave equivalent power as the previous model’s larger 4.5-liter engine, and 5.0-liter aluminum V8 approached the older 6.9-liter big block V8’s performance when matched to the lighter 126 body.  Long-wheelbase models were introduced everywhere in the world as 1981s.

In the United States, power was out and efficiency was in when these cars were introduced for the 1981 model year.  The four-engine lineup that had existed on the previous S-class was now cut down to two.  The gas guzzling, powerful 6.9-liter V8 from the ‘70s was banished to the history books.  300SD and 380SEL models remained the only two 126s offered through the 1983 model year and were unchanged during that time.

300SD

Short-wheelbase 126 bodies came first in the form of 1981-85 300SD models (shown), and 1984-85 380SE models.

300SDs, priced at $34,000, flew off the showroom floor the moment they were introduced in autumn of 1980.  The 3.0-liter, 5-cylinder turbodiesel was a proven, robust engine that offered 120 horsepower and superb economy, allowing the 3,750 pound car to attain 33 miles per gallon highway.  With gasoline prices at all-time highs in the early 1980s, these were the right cars for the times.  The 300SD continued in the exact same for through 1985, after which two other diesel engines were chosen to power 126 models during its remaining years.  Unlike the 5-cylinder diesel, both later 6-cylinder turbodiesel engines had mechanical issues.

Mercedes 380SEL

One year later, long-wheelbase 126 S-classes debuted for the 1981 model year in the U.S. and Europe.  While body panels were the same, overall length was stretched 4 inches at the rear doors.

380SELs were sold in the U.S. during 1981-83 model years.  Initially priced at $44,000 and making a tame 155 horsepower, sales were not overwhelming.  380SELs are rare now mainly because few were sold initially.  Before 1986, trade laws were more flexible regarding private imporation of cars purchased overseas.  It was not hard to purchase a European model from Germany and have it shipped over to the U.S. Conversion houses (some good, some bad) opened up to fit emissions equipment required to pass U.S. inspection.  When currency exchange rates were factored in, buyers more interested in V8 power and prestige could buy a 240-horsepower 500SEL overseas for only a small amount more trouble and money than a U.S. 380SEL, which hurt sales of 380s.  Differences can be spotted easily between all Euro and U.S. models sold before the early 1990s.  A 126 with completely flush headlights, smaller plastic bumpers, lower-cost cloth interiors, and plastic wheel covers is a giveaway, since none of these items were ever available on U.S. models.

1982: RETURN OF THE S-CLASS COUPE

Mercedes 380SEC

The SEC coupe was introduced for the 1982 model year.  U.S. SECs only came equipped with the largest V8 the company offered – each year through 1991.

The 1982 model year saw the introduction of the first S-class coupe since the 1965-73 design.  Built on a wheelbase three inches shorter than that in the standard SE sedan, the coupe was designed for a more intimate driving experience.  Luxury and prestige were at the highest level.  Seats were leather; everything was power; and only the highest and best fittings would do. 126 coupes had their own model badge designation, “SEC”, rather than sharing sedan badge names.  The one and only engine choice in coupes was consistently the largest V8 offered in sedans.  Model 126 coupes sold in the U.S. were 1982-83 380SECs, 1984-85 500SECs, and 1986-91 560SECs.

The SEC designation was unique to the 126s and to the first year of the next-generation S-class coupe (a 1993 model).  Technically, SECs were only produced for those ten model years.  There is an official SEC Club, consisting mostly of 126 coupe fans throughout the world.  They describe the sensation of driving their SECs with sunroof open and 4-windows down as “full coupeness”.  Had copywriters heard that expression in the 1980s, there’s a good chance it may have been used.

In keeping with tradition, S-class sedan and coupe advertising was geared towards upscale professionals who most often purchased them.  During the two-model period of 1981-83, 300SD sales accounted for more than 80% of 126s sold in the United States – a great deal of which are still on the roads today.  Many fans feel diesels (especially those of early-1980s vintage) can be as collectible as any Mercedes-Benz.  They were popular in their day, possess strong originality and purity, embody what many people first perceived a Mercedes-Benz to be, have many cult fans, and make intriguing period pieces.  They will likely survive the test of time and enter a nostalgic relm as they age.  These factors have always been present in any car design our culture tends to appreciate as a classic. So, if you’re a fan of classic cars (past, present, or future), a 1981-85 300SD Turbodiesel is a sure bet.

1983: A minor change for detail watchers

Mercedes 126-body S-class models from 1980 - 82 had gearshift levers that read "D / S / L". For 1983, the detents were changed to read "D / 3 / 2" - with an extra notch for 1st gear.

Mercedes 126-body S-class models from 1980 – 82 had gearshift levers that read “D / S / L”. For 1983, the detents were changed to read “D / 3 / 2” – with an extra notch for 1st gear.

One small difference for detail watchers: four-speed automatic transmission gear selector gates are marked “D/S/L” on 1981-82 models; changing to a more accurate “D/3/2” for 1983-on.  Manual transmissions were available but only on European six-cylinder models.

Resale value and graceful aging are points that Mercedes-Benz consistently makes through advertising.  As one 1983 advertisement says, “There have never been enough Mercedes-Benzes to satisfy America’s demand.  Perhaps it is because their value has never been cheapened by annual model changes, or face-lifts, or marketing artifice of any kind.”

Traditional luxury car fans usually agree that keeping a car free of unnecessary year-to-year changes only enhances that car’s appeal in the long run.  Aside from headlights and redesigned plastic trim, all 1981 panels are interchangeable with 1991 126-body models.  Certainly a definition of classic appeal.

1984: Two new gasoline-powered V8 models introduced: 380SE and 500SEL

Mercedes 500SEL

The 500SEL was finally brought to the US for 1984-85, and was the sole long-wheelbase model during those years.

The 1984 model year was an important one for 126s in the U.S., second only to 1986 mid-life styling and engine upgrades.  Anti-theft alarm systems were introduced as standard on all ‘84s.  But more significant were falling gasoline prices and a rejuvenated U.S. economy.  The 1980s everyone chooses to remember filled with materialism and desire to show off one’s wealth (or appearance of wealth) started to gather steam at this point.  It seemed the party was on, and dancing days were here again.

Because more and more buyers were willing and able to part with the money for V8-powered models than ever, the 126 line was expanded for 1984 in an attempt to reduce “gray market” importation of Euro versions.  Though the 300SD remained unchanged, the 380SEL was dropped – replaced by a standard-wheelbase 380SE to fill out the widening 126 price gap.

And there was a new long-wheelbase king of luxury sedans – the 500SEL.  Finally, the U.S. received a version of this top Euro model, powered by the magnificent 5.0-liter V8 introduced years earlier in Europe.  The sole SEC coupe offered was upgraded to the larger V8 engine and title of 500SEC.

Note that 1981-83 3.8-liter engines were built with timing chains more prone to stretching, and even breaking.  Mercedes corrected this by equipping all 1984-85s with “dual row” timing chains.  As pre-’84 models came in for timing chain replacement service, they were fitted with the dual-row ones.  If a 380SEL has low mileage it may still have the original one, so ask a seller if they have addressed this issue.

All across the model line, gasoline-powered Mercedes-Benzes were making a comeback. Prior ads for the previous five years had featured diesels; and by 1984 the company was beginning to be perceived as all-diesel.  Power was emphasized over fuel economy by all carmakers now.  Looking back, this marketing change was right for the times, and likely kept many buyers from defecting to BMWs.

 

1985: Supplemental Restraint Systems (Airbags) and Anti-lock Braking Systems (ABS) are introduced.

non-airbag steering wheel

1981-84 U.S. model S-classes (and some ’85 300SDs) without driver side airbags had steering wheels as seen here.

According to an advertisement that ran in the summer of 1984, driver-side airbags were “now available on select 1984 models” late in the model year.  Mercedes-Benz had been perfecting them over a 15-year period, and now felt them fully ready for service in the U.S. market.

Point of interest: No 1984 Mercedes brochures give any picture or reference to them.  Having been around many U.S. 126s, I have never actually seen an ’84 equipped with an airbag.

airbag steering wheel

1985-1991 U.S. model S-classes with driver side airbags have this steering wheel design.

Likely it will be difficult to find driver-side airbags until their widespread introduction came on ’85 models.  Driver-side airbags were standard on 500 coupes/sedans and optional on 300SDs and 380SEs for ’85 before becoming standard across the board for ’86.

Passenger-side airbags did not come until the middle of the 1989 model year; standard on V8 models, optional on lower ones through 1991.

Anti-lock Brake Systems (ABS)
Mercedes anti-lock brake systems were first introduced on 1978 European models, but were never available on U.S. models until they were made standard on all 126s for the 1985 model year.

As with Supplemental Restraint Systems, these have posed no safety problems over the years such as activating when not desired.  A very worthwhile feature to have, it should be noted that weight and complexity are added with these systems however.

Brake components do require more frequent brake fluid changes, and replacement parts are very expensive.  For those who seek the safest models, 1985-91s are the best bet.  For those preferring low complexity, 1981-84 126s may be the best choice.  Retrofitting ABS on a 126 not so equipped is not practical because doing so requires paying for a myriad of new parts and computer controls, plus a good deal of labor to replace the old ones.

1986 – A MAJOR YEAR OF REVISIONS FOR 126-BODIES

The 1986 model year is the point which many Mercedes-Benz fans use to distinguish “early” years of the 126 from “later” years.  Why?  Because it was the only year that outwardly visible styling changes were made.  And because all three model names (and engines) had now also changed.

1986-91 wheels

A close look at the 15-inch aluminum wheels equipped on all U.S. model S-classes from 1986-1991. These replaced the 14-inch wheel design that ran from 1969-85.

Aerodynamic styling was catching on in automotive design during the mid-1980s.  All manufacturers redesigned exterior parts to be smoother to the wind with more flush surfaces, resulting in smoother, creamier overall shapes to the eye.  Even Mercedes-Benz, the company that abhorred change for change’s sake, finally decided a little freshening was worthwhile.  While the only real changes were to wheels, headlights, bumpers, and plastic side cladding, the cars seemed visually transformed and modernized by the changes.  All other body panels remained identical, so fenders and grilles from an ’81 model are interchangeable with a ’91.

1986-91

A wider view of a typical 1986-91 long-wheelbase S-class sedan. (1991 420SEL shown).

Perhaps the most noticeable to the eye are the alloy wheel upgrades.  The 14-inch wheel design (unchanged since 1970) was replaced by 15-inch flat style allow wheels shown in the picture below.  Many prefer the look they give the car.  However, one should not rule out 1981-85s for this reason – all that’s needed to fit an older 126 with newer style rims is a different set of lug bolts, available from dealers.  Sets of the 15-inch wheels are often seen for sale on ebay and other sources for $100-$300 depending on the level of refinishing needed.

New headlamp styling for ’86.

1981-85 headlights

U.S. market 126s from 1981-85 featured recessed headlights and foglights to comply with government headlight regulations.

The second most visible change for ’86 was headlamps.  US 126s from 1981-85 featured recessed headlights and foglights to comply with government headlight regulations.  When these laws were amended in the early 1980s, carmakers were free to use flush-style composite headlights already used in Europe for decades.

Mercedes felt a semi-flush design maintained a look more continuity with earlier U.S. 126s, so square headlights actually remained a separate glass piece.

1986-91

After government regulations changed, U.S. market Mercedes-Benz S-class headlight assemblies looked like this for the 1986-91 model years.

Because they now had a larger surface area and were almost completely flush with the surrounding assembly, headlight wipers were fitted to all 1986-91s.  Newer style headlight assemblies can be perfectly retrofitted to early 126s easily, so don’t rule out a good ’81 model just because of this.

 

New lower side plastic body cladding for ’86

1981-85

Lower plastic body side cladding on all 1980-85 126 body S-class models was ribbed and looked like this.

Another styling revision was the redesign of lower side plastic body cladding.  Pre-1986 models have ribbed plastic side trim that runs along the bottom of side doors and sides only, most often painted gray.  For 1986 stylists added a thicker plastic strip beneath the door openings, and flattened out the ribbing on the door pieces.  Bumpers were revised almost unnoticeably.

1986-91

For 1986 stylists added a thicker plastic strip beneath the door openings, and flattened out the ribbing on the door pieces.

A matter of personal preference, many 126 fans are divided into two camps on bodyside cladding.  Those who prefer pre-’86 styling say the smaller, ribbed panels were the cleaner design.  And that if a 1981 380SEL is parked next to a 1986 SEL, the ’81 will appear longer and sleeker because the body does not appear as massive and tall.  Fans of later 126s prefer the more aerodynamically smooth plastic panels.

Short-wheelbase models are dropped for ’86.  Engine size increases on all three engines.

1986-91 Mercedes 560SEC

The only U.S. market SEC offered from 1986-91 was the 560SEC.  (1991 model shown)

With the introduction of redesigned modern-looking 1986 300E midsize models, the S-class was pushed upmarket.  Only long-wheelbase models were available in the U.S. Engines were larger and more powerful across the board.  The 3.8-liter V8 (380SE) was enlarged to 4.2 liters and now powered the 420SEL.  The 5.0-liter V8 was bumped up to 5.6 liters and now powered the 560SEL and 560SEC coupe.  Both of these V8s produced significantly more power than those they replaced, making “later” 126s the most desired models today.  However, that means better prices on “early” ones.  Interestingly, the 500SEL model remained in production in Europe through 1991.

The tried-and-true 3.0-liter, 5-cylinder turbodiesel was discontinued in favor of a new 3.0-liter, 6-clinder turbodiesel of a quieter running design.  The short wheelbase chassis used in earlier 300SDs was dropped, and the ’86 diesel offering became the 300SDL.

Widespread problems with this engine arose from trap oxidizers built into exhaust systems which were designed to catch and hold soot until it heated up enough to burn away.  Parts of these ceramic devices tend to break off and fly into the turbocharger itself, causing early demise of the whole unit.  These engine have good durability records otherwise, so if you’re considering a 300SDL, make sure you ask the seller about this issue. Odds are that it’s come up over the life of the car.  Replacement exhaust systems are available without trap oxidizers.  Because these problems showed up early, the 300SDL was dropped after the ’87 model year – and diesel 126s took a hiatus until 1990-91.

A Shift In Advertising Theme
By 1986-87, the United States economy was doing extremely well, and consumers were spending money freely on luxury items.  1986 was a record sales year for virtually all luxury carmakers foreign and domestic, including Mercedes.  Honda’s Acura division was started up with great success, and Lincoln and Cadillac found the most new buyers.  Since economy themes in advertising had become passé and power and modern looks had been established, it was time to focus on competitors.  But very discreetly.  It’s interesting to note how advertisements in the late 1980s took on a more genteel upscale feel to match the good times.  Luxury cars were a much easier sell now, so far less data and text was deemed necessary.

Traditional large American luxury cars were targeted.  The subtle advertising theme was to establish an S-class as a better choice than “overbearing” luxury cars saddled with “bulk and ostentation”.  Copywriters may have had Honda’s upstart Acura luxury division in mind when creating the advertising text for 1987.  Although Acuras had only been on the market for one year, their success could not be ignored.  Readers were reminded of Mercedes-Benz’s 100-year heritage, tradition and pedigree which Acura (or any other Japanese manufacturer) could not possibly match.  Tiny 1-liter-engine cars and motorcycles were Honda’s heritage – not very fitting for a luxury brand to tout.  Mercedes ads began to feature more close-up pictures of their classic hood ornaments and grilles than ever.

“You drive the automobile that pioneered ABS and SRS.  But never has pioneered an onboard electronic gizmo”, proclaims a 1988 advertisement.  Buyers were still reassured, in classic tradition, that they were buying a car of the highest engineering values.

History was also touched on by, “S-class. For people who have learned from experience to buy all the integrity they can get.”  And, “…but the greatest comfort of the S-class may ultimately be a purely emotional one; the absolute reassurance of absolute integrity.” Cleverly written, these may have been effective in swaying buyers away from Japanese and other luxury brands.  Because when push comes to shove in making a large purchase such as a luxury car, the desire to follow the path of lesser doubt can be a strong one.

1988: SHORT WHEELBASE MODELS RETURN, NEW 6-CYLINDER GAS ENGINE REPLACES DIESEL IN BASE MODEL.

1988 300SE

Short-wheelbase 126-bodies made a return in the form of the 1988-1991 300SE and the 1990-91 350SD.  (1988 300SE shown)

After the demise of the 1986-87 300SDL, there was a gap at the bottom of the U.S. 126 lineup that needed to be filled.  Since diesel sales had slowed almost to a trickle, the refined 3.0-liter 6-cylinder gasoline engine from the 300E midsize line was used, and the 300SE and 300SEL were introduced for 1988.  With 177 horsepower, this engine held its own in the S-class. Economy was slightly better, but gearing was not as relaxed as in the V8 models.  Highway travel involves more engine revs, always a factor that can affect engine life.  300SE/SEL models continued unchanged through 1991.

1989: PASSENGER-SIDE AIRBAGS ARE INTRODUCED, LOWER PLASTIC BODYCLADDING COLOR NOW MATCHED TO BODY, SEATS & DOOR PANELS HAVE NEW LOOK.

center console 1989-91 models

Because passenger-side airbags used the space in the dash where gloveboxes normally went, these locking “rollaway” storage compartments were fitted between the front seats.

As mentioned earlier, late-’89 production models saw the introduction of passenger-side airbags, a feature well worth having in a car seeing use as a daily driver.  These were standard on 420 and 560 models, optional on lower ones.  Because the passenger side dash-mounted airbag unit took up space where glove boxes normally were located, 126s so equipped feature a locking storage console between front seats.

1989-91 interiors

For 1989, seat covers were revised as shown here and no longer had small ribbings running front to back. Door panels went from flat to ribbed as well. (1991 420SEL shown)

From 1981 through 1988, virtually all colors of 126 models (except beige, brown, and gold) featured gray lower plastic side cladding.  For 1989-1991, plastic cladding on all colors was now closely matched to the car’s paint color (except white, black, and smoke silver colors which kept the same gray as before).

All 1989 126-body sedans adopted the seat cover look present on SEC coupes since 1982.  While front and rear seatbacks and seat cushions no longer had a ribbed pattern, door panel interiors now did.

1990: DIESEL MODELS RISE AGAIN

What better times are there to re-introduce a diesel model than hard times?  The 3.0-liter 6-cylinder turbodiesel formerly used was redesigned and enlarged to 3.5 liters, and the 1990 350SD and long-wheelbase 350SDL were introduced.  They’re the most powerful and refined diesel 126s in existence.  However their sales did not approach the 300SD’s glory of ten years earlier, and as a result are scarcer and harder to find today.

One can tell, looking closely at period advertisements from 1990 and 1991, that luxury cars were suddenly a harder sell than they had been in the latter half of the 1980s.  Selling points of a sober nature were again stressed over images of heritage – selling points such as durability, dependability, crashworthiness, and resale value.  Engineers also noticed the shift in buying values and acted.

Although troublesome trap oxidizers were not installed on this engine, the new 3.5 turbodiesel had its share of widespread maladies.  Weak connecting rods (they connect pistons to the engine’s crankshaft) tended to bend at about 75k miles and up, causing eventual engine seizing.  Many owners experienced this problem, and Mercedes-Benz replaced a good number of these engines under warranty.  In short, 350s are well worth having for the diesel fan, but proceed with caution.

You’ll often see “new engine” or “rebuilt engine” on a seller’s list of strong points. Look for this, as replacement parts cured the problem.  Again, few 350 diesels were sold to begin with, so be prepared to pay for a decent, corrected one.  This engine was used through 1995 on the next generation of S-class and was discontinued when these problems became widespread.

Those seeking to avoid mechanical complexity may wish to avoid 1984-85 500SELs, and 1986-91 560SELs.  These top line models were all equipped with complex, expensive-to-fix self-leveling rear hydraulic suspension systems in place of standard coil springs.  While standard on the 500 and 560SELs, this was never available on lower 126s.

1991: “ASR” TRACTION CONTROL IS INTRODUCED AS AN OPTION ON ALL 126 MODELS.

sdfsd

Models with ASR all feature this black button on the center console with a snow tire design on it. This button serves not to turn ASR off completely, but to allow for extra wheel slippage if tire chains are equipped in severe climate areas.

Newly optional on all 126s for 1991 was “ASR” Automatic Slip Control.  ASR measures variations in rotational speed between rear drive wheels and front wheels.  When one or both rear drive wheels start slipping and spinning faster, the ASR system applies braking power to the specific wheel or wheels to reduce spin.  If brake application doesn’t restore traction, a computer automatically reduces engine power by means of electronic throttle control.

Models with ASR all feature a button on the center console with a snow tire design on it. This button serves not to turn ASR off completely, but to allow for extra wheel slippage if tire chains are equipped in severe climate areas.

 

Million-mile longevity
In the late ‘80s, Mercedes-Benz became aware that two of their cars had attained over 1 million miles each in private hands.  This was a truly impressive feat for any car, even more so considering the vintage of these two diesels (both are shown in the 1991 model advertisement at the beginning of this article).  During 1990, the company decided to make this an advertising and public relations campaign.  Automotive magazines were encouraged to test drive the two vintage cars and give Mercedes-Benz any coverage they chose.

It was perhaps one of their most effective campaigns.  Many fans remember it and say it made believers out of them.  After all, how can one not like a car possessing “stubborn determination to repay its owner with many miles and many years of driving satisfaction”?

The longevity of the 126 design is really quite remarkable, spanning 11 or 12 model years depending on where you count.  This is a record besting all other S-class designs before or since, and one that won’t be toppled soon.  The 126 saw changes in global economic conditions from poor, to boom times, and back to poor for the last several years of its life.

The advertisements included in the picture below sum up the 126 well.  Virtues that Stuttgart engineers held dear were certainly borrowed and touted by other carmakers also.  But when all was said and done no one else had the well-rounded, scholar-athelete type of record that Mercedes-Benz did.  Deeds, indeed.

-CLICK ON ANY OF THE PHOTOS BELOW TO ENTER SLIDESHOW.  HIT ARROW BUTTONS UNDER EACH PICTURE TO SCROLL TO BACKWARDS OR FORWARDS

About Sean

Welcome to Classic Cars Today Online! We seek to explore the subject of classic vehicles from the 1950s through today. It is our belief that a car needn't be old to be respected and admired for graceful design, historical significance, and future value. As founder and Editor-In-Chief, I welcome contributions from you about your own car-related interests and ownership experiences. As far as myself, I've worked in the automotive service field and have been a contributor to Autoweek Magazine, The Star, Mercedes Enthusiast Magazine, Examiner.com and more. Currently, I'm a copywriter and own several foreign and domestic classic cars. In my spare time, you'll find me serving as Technical Editor and officer of several car clubs, being a concours car show judge, and meeting some great folks around the tri-state NY / NJ / Pennsylvania area at car shows. - Sean Connor
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  • Bent Baskerwille Bauer

    This is the center console with the buttons…

  • Bent Baskerwille Bauer

    Hi, I recently bought a W126 500 sec mercedes.

    Unfortunately, there was no user manual with.

    There are some buttons in the center console I do not know what is for.

    The buttons are: K, L, P and E.

    Can you help me find the answer?

    I send a photo. Regards Ben

  • drkennethnoisewater

    I had a 1987 300SDL that I really liked, though unless you’re wrenching them yourself (which you can, given a lift and a metric toolset) they can get pretty expensive to keep up-to-date on service. The 3.0l diesel OM603 gets a bad rap because of the trap oxidiser, but pretty much any you would buy today will have had that trap removed a long time ago, likely under warranty. There were also 3.5l OM603s in at least the 1987 model year (1987 350SDL), and those were the first to have con rod bending issues. A properly-maintained 300SDL will last a million miles, and the body will likely rust out or the owner will tire of expensive maintenance long before the car needs to die.

  • Mateusz
  • Mateusz

    Very good article and great car :)

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