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Mercedes-Benz 450 SLC 5.0 (C 107)

October saw the changing of the guard for the S-Class Coupé 280 SE and 280 SE 3.5 (model series W 111): the C 107 strode onto the automotive stage to great public acclaim. The coupé featured a host of innovations that were in the following year to establish the newly launched S-Class (W 116) in the automotive luxury league. Safety was an especially important factor in the development of the new C 107 model series. Yet customers had to be patient for a while, as the new luxury-class coupé did not go into series production until spring 1972. In September 1977, Mercedes-Benz unveiled the 450 SLC 5.0, a new top model of the 107 series, at the Frankfurt Motor Show. The stand-out innovation was the five-litre light-alloy engine, which now boasted an output of 240 hp. The new aluminium block also made the engine 40 kg lighter. But that was not enough for the developers, who set out to save even more weight by using aluminium also for the bonnet, boot lid and both bumpers on the top-of-the-range model. Together with the standard light-alloy wheels, this made for an additional weight saving of over 80 kg.

The five-litre coupé certainly lived up to its role as an automotive speciality and exclusive special model in terms of its performance potential and purchase price. That was probably also in the mind of the first and only owner, who took delivery of his 450 SLC 5.0 with production number 935 (out of just 2769 vehicles produced) in June 1979 at the Mercedes-Benz branch in Augsburg. Although the Munich businessman may have driven his coupé very little, he cared for it all the more lovingly. That explains why the overall condition of the car is still outstanding after almost 40 years. The vehicle is also officially a
classic car, DEKRA having issued the C 107 with the H-registration plate in summer 2009.

The original service record is available with the following entries:
07.06.1979 Vehicle handover, Sindelfingen
13.07.1979 1st inspection at km 856
11.03.1982 MB service at km 20,140
28.05.1984 MB service at km 34,633
26.04.1986 MB service at km 40,703
12.11.1992 MB individual service at km 49,850
30.08.2010 oil change at km 58,547

The vehicle comes with a complete on-board folder with service record, owner’s manual and tool kit. Prior to sale, the coupé will undergo a full service in accordance with the manufacturer’s specifications to be carried out by our authorised Mercedes-Benz workshop along with a new main inspection and exhaust emissions test (HU/AU). With the 12-month warranty from ALL TIME STARS®, the coupé will give the future owner further driving pleasure – all ready for the next Outing!

No liability for printing and writing errors.
Subject to error and prior sale.

Vehicle details

450 SLC 5.0
C 107
C 107
1979
61.500 Kilometer
1
08.06.1979
Mercedes-Benz Museum
Collectors Edition
on request
on request
on request
Yes
76.490 Euro
Yes

Technical details

coupe
240 PS
4.939 ccm
8
2
left
automatic
3
back
disc brakes
disc brakes
gasoline
8.5 s
225 km/h
14,5 l

Individual configuration

Silberdistel Metallic (DB 861)
Velours bambus (DB 904)
Velours
No
No
No
Yes
No
Yes
No
No
No
Yes
Yes
2.769
09.1977 und 05.1978 - 03.1980

Options

Options:
260 = Elimination of Model Designation on Rear Lid
261 = Elimination of 5.0 Model Designation on Rear Lid
406 = Right and left front seat with orthopedic backrest
466 = Central locking system
502 = Outside rear view mirror
532 = Automatic antenna without radio
570 = Folding armrest front
585 = Air conditioner and electric window lifters
590 = Green Heat-Insulating Glas, All-Around
600 = Headlamp wiper/washer
682 = Fire extinguisher

Vehicle history

Vehicle history: Mercedes-Benz 450 SLC 5.0 (C 107)

At the Frankfurt Motor Show IAA in September 1977 the 450 SLC 5.0, a new top model of the type range 107 was presented. The great novelty of this type was a 5.0-liter all-aluminium engine, developed from the time-tested 4.5-liter V8 with grey cast iron block. The new engine had an enlarged cubic capacity realised by reboring. It weighed 40 kg less and convinced by a higher torque and a power increase of 240 hp.

The weight reducing measures were not limited to the engine; the body was also included: engine bonnet, boot-lid and both bumpers were of aluminium. Together with the standard light-alloy rims a further weight reduction of more than 80 kg was achieved. From the outside the 450 SLC 5.0 was recognised by its discreet front spoiler, its black plastic rear spoiler and its uniform grey paint coat under the protective strips at the side. The main goal, however, in using these add-on parts rather unusual for Daimler-Benz was not an optical improvement. Decisive was the considerably reduced negative lift force at the front and rear axle achieved with the help of both spoilers.

The series production of 450 SLC 5.0 was taken up in May 1978. There was no counterpart in the SL roadster range. Valuable experience was gained in manufacturing the engines which was not always without problems. Since the practical testing of the production car by customers did not bring any negative surprises and all the 5-liter coupés were evaluated positively by its drivers nothing prevented the use of all-aluminium engines in the high-volume S-Class range. Therefore the low-volume model 450 SLC 5.0 functioned as a technological forerunner and pioneer for the large-scale production.

Against the background of imaginable sportive activities with the 5-liter coupé, the displacement capacity of 5,025 cc was not so well chosen with respect to aspects of homologation. In order not to fall behind, the bore was reduced by 0.5 mm which resulted in a total piston displacement of now 4,973 cc. The modified engine with reduced displacement used in the standard production from May 1979 onwards. With its potentials of performance and price the 5-liter coupé certainly fulfilled its role as technical speciality and exclusive model. However, regarding the 2,769 cars that were built, we can only talk of a certain exclusivity.

At the Geneva Motor Show in March 1980 the SLC coupés and the roadsters of the type range 107 presented themselves in an updated form. The interior as well as the steering wheel was adapted to the S-Class saloons. The mechanics, too, was brought up to date. The 3-speed automatic transmission was replaced by a 4-speed version. The all-aluminium engines of the S-Class were now also used in a slightly modified variant in the 107 series. The 450 SLC 5.0 was renamed into 500 SLC, thus functioning as successor to the 450 SLC. A lot of exclusivity, however, was lost, since there existed already a 500 SL, a 500 SE and a 500 SEL with the same engine and almost identical driving performance. The 350 SLC was cancelled in favour of the 380 SLC. Ist 3.8-liter all-aluminium aggregate had been built after the 5-liter from the time-tested 3.5-liter V8 with grey cast iron block. Only the 6-cylinder engine of the 280 SLC remained unchanged in the program. From the outside, except for the type label, almost no differences to the preceding models could be spotted. All three SLC types were now equipped with front spoiler known form the 450 SLC 5.0. The black plastic rear spoiler, however, was exclusively used in top models.

18 months after this last big model improvement, the SLC coupés of type range 107 had to yield to their successors. They were based on the S-Class saloons and only available with 8-cylinder engines. Within a production time of ten years all in all 62,888 cars had been produced.

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Patrik Gottwick

Head of Classic Car Trade ALL TIME STARS Purchase/Sales

Head of Classic Car Trade ALL TIME STARS

Tel. +49 176 309 030 62

E-Mail patrik.gottwick@daimler.com