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MB 300 SEL- AMG 6.8  1971
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 ALL INSPIRED BY AMG DESIGNED MERCEDES-BENZ 300 |MODEL SPA 1971 | ENG-RED71

1967 MB 250S W108 W/SPECIAL TUNING 140HP RACE PREPARED

1969 | MB 280S 3.0 STRAIT-SIX 160HP | W108 [SOLD]

1969 | MB 300 SEL 6.3 V8 250HP | W109

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1976 | MB 450SL V8 220 BHP | W107
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Die Rote Sau / The Red Pig | 1971-2016 To Celebrate 45th Anniversary

MB 300 SEL AMG TRIBUTE 45th MODEL Spa 1971 Aniv. | 2016 Florida Road Test 80KMH | Tribute 300 SEL AMG MODEL Spa 1971
https://www.youtube.com/watch?v=vY7CPzwqUQg https://www.youtube.com/watch?v=JQjE-twNrTc

Mercedes-Benz 280S W108 2017: Tribute to AMG Spa 1971

THE LEGEND OF SPA 1971

ORIGINAL DOCUMENTARY OF THE 1971 SPA FRANCORCHAMPS RACE | GERMAN

ENG-RED71 LIMITED SERIES: A Category of One | The Culture of The Classic | Timeless Styling

Historic second place for AMG in 1971
In 1971 the 24-hour race in Spa-Francorchamps was the first race that AMG, founded in 1967, had ever entered. Alternating behind the wheel of the AMG touring car were the two experienced drivers Hans Heyer and Clemens Schickentanz. AMG was anything but the favourite in this classic Belgian long-distance race: mighty opponents at the time included the Ford Capri RS, BMW 2800 CS, Chevrolet Camaro, Opel Commodore and Alfa Romeo GTA. Nobody expected the large saloon from provincial Affalterbach in Swabia to hold its own against the well-established teams.
Surprising 5th place in the starting lineup for AMG
However, the red four-door saloon already demonstrated its potential in training, when Clemens Schickentanz delivered a surprise with the fifth-fastest training time. Nobody at AMG had expected 5th starting position in a field of 60 cars. 80,000 spectators were intrigued by the fast, red saloon with the long wheelbase – which was incidentally also the only Mercedes in the race. Pole position was occupied by the favourite, the Chevrolet Camaro driven by Ivo Grauls and Peter Hoffmann, followed by the Alpina-BMW 2800 CS of Niki Lauda/Gérard Larousse and next to it the first works Ford Capri with Dieter Glemser and Alex Soler-Roig plus the Schnitzer-BMW 2800 CS driven by Rauno Aaltonen and Helmut Kelleners. A total of 60 racing touring cars raced against the stopwatch on the then still 14.1-kilometre long course in the Ardennes, with illustrious names such as Hans-Joachim-Stuck, Jochen Mass, Toine Hezemans, Willy Kauhsen, Achim Warmbold and Rainer Braun behind the wheel.
On the first lap
On the first lap Hans Heyer, who was first to take the wheel of the 300 SEL 6.8 AMG, was able to position himself in third place right behind the Ford Capri (Glemser/Soler-Roig) and the Chevrolet Camaro (Grauls/Hoffmann). After a dramatic race which included a sudden rainstorm at midnight and numerous contestants withdrawing, the “35” crossed the finishing line in second place directly behind the works Capri driven by Glemser/Soler-Roig. In 24 hours the AMG saloon had absolved precisely 308 laps. Technical problems? None whatsoever. An absolute sensation.
Contrasts: 265 km/h and exotic wood trim in the cockpit
Hans Heyer has fond memories of this race: “We knew we could win, but the others didn’t know it yet!” The AMG saloon was unbeatable on the straight, but the braking system substantially adopted from the series production car was slightly underpowered for the weight of the car (1635 kilograms). “But on the old Spa course the brake discs had plenty of time to cool down, and nobody could catch us on the long straights,” the now 68 year-old reminisces. With a top speed of 265 km/h the 300 SEL 6.8 AMG was tailor-made for the fast Belgian circuit. The atmosphere in the interior was luxurious, with standard features such a power steering, air suspension, carpets, door panelling and a dashboard with exotic wood trim. The spectators lining the track loved this large car with its thrilling V8 sound. “The outsider quickly became the absolute darling of the public,” says Hans Heyer.
Luxury: the Mercedes-Benz 300 SEL 6.3 as the basis for a racing car
The AMG racing saloon was technically based on the Mercedes-Benz 300 SEL 6.3. With an output of 184 kW (250 hp) at 4000 rpm and a top speed of 220 km/h, this saloon was Germany’s fastest series-production car in its day. It was not only an increase in the overall displacement from 6330 to 6835 cc that raised the output to 315 kW (428 hp) at 5500 rpm and torque from 500 to 608 newton metres. AMG co-founder Erhard Melcher “tweaked” the eight-cylinder engine using classic methods: Precision-honed camshafts and modified rocker arms, lightweight connecting rods, new Mahle pistons, larger intake valves, modified combustion chambers, polished intake and exhaust ducts, a new intake tract with two throttle flaps and a racing exhaust system ensured an improved gasflow and allowed higher engine speeds. Durability was improved by installing an auxiliary oil cooler and a finely balanced crankshaft.
The wheel arches
The wheel arches were flared to make room for the lightweight 10 x 15 and 12 x 15-inch magnesium wheels adopted from a C 111 test car. Aluminium doors helped to reduce weight from the original 1830 to 1635 kilograms. Larger control arms at the front axle, a more robust rear axle with a reinforced differential and smaller air suspension bellows with a harder setup made the saloon fit for the racetrack.
German TV news reports on the sensational achievement
The unexpected class victory and second overall place in the 24-hour race in Spa-Francorchamps made AMG, founded in 1967, a household name overnight – and marked the start of an impressive success story. Even the German television news reported on this surprise achievement. “It was certainly a sensation at the time,” AMG founder Hans Werner Aufrecht remembers. The courage shown by Aufrecht and his partner Melcher in entering a modified luxury saloon for this classic 24-hour race paid off in full.
11 and 12 September 1971
On 11 and 12 September 1971 the 300 SEL 6.8 AMG subsequently competed in the 2×6-hour Paul Ricard race, accompanied by a privately entered 300 SEL 6.3 with an AMG engine. Now repainted in yellow, the 300 SEL 6.8 AMG took part in the pre-trials for the Le Mans 24-hour race in March 1972, but was not at the starting line for the race itself in June. However it competed in the 24-hour race in Nürburgring in June 1972, and in the Nuremberg 200-mile race held at Norisring on 6 August 1972. Here Hans Heyer achieved victory with the four-door saloon – once again painted red – in the “Series and special touring cars above 2000 cc” class.
Up to five litres rule
The 300 SEL 6.8 AMG was not to enjoy any further successes: a change in the race rules by the Fédération Internationale de l’Automobile (FIA) put an end to its career, as only cars with an overall displacement of up to five litres were now allowed for the European Touring Car Trophy. AMG sold its racing saloon to the French conglomerate Matra, where it was converted for high-speed tests on aircraft tyres. Its subsequent fate is unknown. In spring 2006 Mercedes-AMG built a replica of the 300 SEL 6.8 AMG based on the original documentation, so that this unique success story would live on.
 
HISTORY | AMG: AUFRECH + MELCHER + GROSSSASPACH*. AMG WAS A COMPANY FOUNDED AROUND 1967 BY TWO EX-Daimler AG employees: Hans Werner Aufrecht from Testing Department DAIMLER/MB Germany and mechanical engineer Erhard Melcher; AMG first HQ was located in Burgstall, near Affalterbach (Southern Germany) as a tuning and independent engineering company, specialized in high-performance & engine improvements: Engineering Office -Design and Testing for the Development of Race Engines.  AMG become famous in 1971, after first & second place at the 24-hours race in the Belgian Ardennes, at Spa-Francorchamps with a modified 300SEL (LONG CHASSIS) powered by a reengineered MB V8 6.3 Liter engine  to a final AMG V8 6.8 Liter engine with a ZF 5-speed gearbox.  5 units 300SEL were built, 2 for testing and 3 for racing, with different configurations, equipment and colors. For the 24-Hours race at Spa the AMG pilots were (EX-PORSCHE DRIVERS) HANS HEYER and CLEMENS SCHICKENTANZ: their names are posted on front fenders, left and right.  *Aufrecht's place of birth.
Hans Werner Aufrecht

 YOU CAN'T REALLY IMPROVE A MERCEDES. BUT YOU CAN MAKE IT LOOK "DIFFERENT".

Daimler AG AMG integration in 1990 (Paris co-operation agreement) - 1999 (purchase of the controlling stock by DaimlerChrysler AG), into Mercedes-AMG GmbH, as a subsidiary. Mercedes-AMG GmbH, is headquartered now in Affalterbach, Baden-Wurtemburg, Germany

 
24-HOURS/24 STUNDEN-RENNEN  Spa-Francorchamps (CIRCUIT NATIONAL): 24-25 JULY 1971, TOURENWAGEN EUROPAMEISTERSCHAFT NO. 35

The MB 300 SEL reengineered by AMG drove to the podium in the 24h race of Spa 1971.

PICTURES GALLERY
PILOTS: HEYER / SCHICKENTANZ*
24HOURS RACE @ SPA 24-25 JULY 1971 | BELGIUM

_____________ MB 300 SEL AMG 6.3 (6.8)| MODEL SPA-1971 ORIGINAL _____________

LEGENDARY ICON: MB 300 SEL AMG 6.3 (6.8) - W109 [RED GIANT/DIE ROTE SAU]

THE VEHICLE | Developed by AMG in 1971 [back when AMG was a separate tuning company] the Big Red 300SEL wasn't the most obvious choice to take racing. THE ORIGINAL VEHICLE WAS A DAMAGED MB 300SEL with a standard MB 6.3 Litre engine, V8, fuel injection. Transformations to the original 6.3L/V8 engine were done in the form of modified camshafts, intake valves, exhaust, rocker arms, and pistons heads, supervised by Mercedes test engineer Erick Waxenberger. (See Waxenberger engine, on display, on one for the original 1971 race cars.) The engine capacity was augmented from 6.3 to 6.8 Litre + special race tuning. It is widely accepted that the  1971 AMG-Waxenberger engine has a final 428HP (Europe standard).

TECHNICAL DATA |  [Technische Data] The original vehicle was a Mercedes-Benz 300 SEL, 6.3  production year 1969 equipped with a 4-speed automatic gear and with a curb weight of 3,597 lbs. The 1969 modified V-8 AMG-Waxenberger engine was finally rated in 1971 at 6.8 Litre, with a test power of 428 HP (Europe HP), 620 Nm (448 lb/ft of twist); the race car empty weight was at about 1,500kg (equipped with standard MB air suspension) and had a max. speed of 265-288km/h compared to the standard model (MB 300SEL 6.3) max. clock speed was  288km/h (178mph)

THE LAST AMG V8 6.8L/428HP Waxenberger 69 Engine is in a car museum in MOBILIA AUTOMOTIVE MUSEUM, Kangasala, Finland. | Units Produced with these specifications: 1 AMG ORIGINAL + 4 MB GERMANY COPIES = 5 UNITS| **All other units in existence are replicas. | MB 300SEL 6.8 AMG (01) SPA-1971/AMG-WAXENBERGER 69 ORIGINAL CAR WAS SOLD TO FRENCH COMPANY MATRA, FOR TESTING ON THE JET FIGHTER LANDING GEAR.
ORIGINAL 1971 SPONSORS | FOR THE 1971 RACE, THE VICTOR ORIGINAL-RED VEHICLE 300SEL AMG-6.8 HAD MANY SPONSORS: SECA100, BILSTEIN, BOSCH, HELLA, CASTROL, CAMEL FILTERS, H.E. SIEGER, LEVY’S JEANS, FERODO, ETC. OTHER VARIANT VEHICLES FROM THE ORIGINAL 5-UNITS-BATCH SERIES, HAD THE SAME AND/OR DIFFERENT SPONSORS.

* OUR REPLICA IS MERCEDES-BENZ 300 SEL 6.8 AMG NO. 35, SPA 1971 - PILOTS HEYER/SCHICKENTANZ* | THERE IS ANOTHER MERCEDES BENZ 300 SEL 6.8 AMG, NO. 1 ADAC 24 HOURS NURBURGRING 1972 RACE WITH PILOTS HANS HEYER/THOMAS BETZLER | ** Information based on Mercedes-AMG and Mercedes-Benz Classic Center USA

 

PICTURES GALLERY MB/AMG MUSEUM [GERMANY] 300 SEL 6.3 (6.8) REPLICA

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MB 300 SEL AMG TRIBUTE 45th MODEL Spa 1971 Aniv. | 2016 Florida Road Test 80KMH | Tribute 300 SEL AMG MODEL Spa 1971
https://www.youtube.com/watch?v=vY7CPzwqUQg https://www.youtube.com/watch?v=JQjE-twNrTc
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