1978 Mercedes-Benz 450 SLC 5.0
Explore the 1978 Mercedes-Benz 450 SLC 5.0: programme history, design, verified rarity scope, specifications and credited photography.
The Mercedes-Benz 450 SLC 5.0 combined the long-roof proportions of the C 107 coupé with a lightweight-block V8 and a place in the marque’s rallying story. Its model name matters: this is the 5.0 derivative, not the much broader standard 450 SLC programme. The factory’s combined 5.0-litre-family figure provides a clear rarity upper bound.
History and verified programme identity
The archive distinguishes pre-production beginning in September 1977 from standard production beginning in May 1978, and records the 450 SLC 5.0 through March 1980. The later 500 SLC belongs to the same combined technical-archive production reference. This profile retains the earlier model’s identity rather than retitling both cars as a single edition. The distinction is useful for readers encountering apparently conflicting dates: a reveal, production start-up and customer-series manufacture need not fall in the same month.
Engineering and design
The technical record lists the M 117 light-alloy V8 and a standard three-speed automatic transmission. It also records a displacement change from 5,025 cc to 4,973 cc during the model’s life. That detail makes a single universal displacement label misleading. The printed output is 177 kW / 240 hp in the archive’s convention. As a grand touring coupé, the car gives an interesting contrast between a generous cabin and a competition-related development story; a road example should not automatically inherit the specification of a works rally car. This specification belongs to the documented programme. It should be compared using the original measurement convention and the relevant configuration. A larger number copied from a different engine, market or racing derivative would describe a different car. Likewise, an engine change during restoration does not add another vehicle to the original production run. The distinction matters particularly when a model name appears in both road and competition histories: shared styling or ancestry can coexist with substantially different structures and equipment.
The physical car in the supplied photograph
Creator-identified Mercedes-Benz 450 SLC 5.0, photographed from the rear three-quarter angle with its model badge visible.
What makes this version distinct
The 5.0 badge distinguishes this derivative from a standard 450 SLC, but badges and spoilers are replaceable. A useful identification check connects the chassis type with its original engine and build date. Equally, the combined 2,769 reference should never be represented as the individual 450 SLC 5.0 tally. Sharing a count reference does not erase the successor’s separate name.
Collecting and chassis evidence
Retain the build date and engine specification together when documenting this SLC. Its changing displacement makes a generic parts or specifications list less useful than a date-matched factory reference. Separate competition conversions and period rally histories from the record of an ordinary road-delivered car. Start with the permanent chassis identity and a dated factory specification, then organise invoices, registration documents and photographs into a chronology. A recent photograph describes present appearance; the original delivery record establishes how the vehicle left its manufacturer. Record replacements and reversible changes without erasing their dates. For a limited edition, retain the allocation paperwork and edition plate together, since a badge alone cannot establish membership. Photographs of body seams, interior fittings and mechanical markings help a specialist understand changes across time. Where a vehicle has been repainted or restored, keep the earlier material alongside the finished appearance. A clearly documented change is more informative than an unsupported claim that every component has remained untouched.
Related Mercedes-Benz designs and meaningful comparisons
The 190 E Evolution I takes the road-and-competition relationship into a compact saloon. The CLK DTM AMG Coupé later expresses it through a very small road-car series. The 450 SLC 5.0 adds an earlier grand touring perspective without turning all three into equivalent homologation projects.
Reading the sources
The programme sources and the photograph answer different questions. Manufacturer and custodial records establish the original model, Type, category and published production scope. The creator’s file establishes the pictured subject, setting and image permission. An individual chassis history can then add ownership, competition entries and dated repairs without changing the scope of the original programme. Build references are not survivor counts, and a later specification does not automatically become an additional newly manufactured vehicle. Where primary evidence does not establish a complete fabrication census, that field remains unassigned.
Specifications and rarity evidence
| Programme reference year | 1978 |
|---|---|
| Model / Type | 450 SLC 5.0 — C 107 |
| Body / competition role | Two-door grand touring coupé |
| Chassis type | 107.026 |
| Engine | M 117 light-alloy V8; displacement changes documented by date |
| Transmission | Three-speed automatic |
| Published build / register reference | 2769 |
| Separately audited completed tally | Not assigned |
| Count scope | The Mercedes-Benz technical archive gives 2,769 combined for the 450 SLC 5.0 and 500 SLC. That combined family reference safely bounds the named 450 SLC 5.0 below 7,500. The workbook’s 1,636 subset is retained as an inventory claim rather than promoted to an independently reconciled completed total. |
| Manufacturer / archive identity | Mercedes-Benz 450 SLC 5.0 |
Frequently asked questions
How rare is the 450 SLC 5.0?
The Mercedes-Benz technical archive gives 2,769 combined for the 450 SLC 5.0 and 500 SLC. That combined family reference safely bounds the named 450 SLC 5.0 below 7,500. The workbook’s 1,636 subset is retained as an inventory claim rather than promoted to an independently reconciled completed total.
How is 450 SLC 5.0 classified?
This is a named original Mercedes-Benz road-car programme or factory body configuration within a qualifying low-volume family. The source-defined reference is below 7,500. Completed manufacture, shared allocation ceilings and current survivor counts remain separately labelled.
Which technical details are established for the programme?
The primary record supports chassis type: 107.026; engine: M 117 light-alloy V8; displacement changes documented by date; transmission: Three-speed automatic. These are programme or explicitly attributed photo references. A particular surviving car’s engine, chassis repairs and competition preparation require its own dated documentation.
Does the photographed appearance establish factory originality?
The caption records a real creator-identified 450 SLC 5.0 subject and its documented setting. It establishes the illustration’s scope, while original components, restoration work and individual race provenance require chassis-specific evidence. A competition number, current paint or museum display is not used as an originality certificate.
What rarity or archive scope is verified?
The Mercedes-Benz technical archive gives 2,769 combined for the 450 SLC 5.0 and 500 SLC. That combined family reference safely bounds the named 450 SLC 5.0 below 7,500. The workbook’s 1,636 subset is retained as an inventory claim rather than promoted to an independently reconciled completed total.
Who photographed the supplied image?
nakhon100 via Wikimedia Commons, under CC BY 2.0. The original file and licence are linked with the image. Retain the creator, source and licence when uploading, exporting or reusing it; local retouching and synthetic enlargement have not been performed.
Related Mercedes-Benz profiles
Sources and photo credits
Photograph: nakhon100 via Wikimedia Commons original source, CC BY 2.0. Original image or source-provided thumbnail supplied without local cropping, retouching or synthetic enlargement.
Built in limited numbers
The Mercedes-Benz technical archive gives 2,769 combined for the 450 SLC 5.0 and 500 SLC. That combined family reference safely bounds the named 450 SLC 5.0 below 7,500. The workbook’s 1,636 subset is retained as an inventory claim rather than promoted to an independently reconciled completed total.
Gallery
Specifications
Factory specifications may vary by model year, market and configuration.
Identity & production
- Official model
- 450 SLC 5.0
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