1951 Mercedes-Benz (W136) 170 S Convertible B

KEY FACTS

• A rare and elegant post-war convertible, this Mercedes-Benz 170 S Convertible B is a highly desirable open-top grand touring model from the marque's W136 series, presented with fascinating documented provenance and the benefit of a long-term restoration.
• It is powered by a naturally aspirated 1.8-litre inline-four engine, driving the rear wheels through a four-speed manual transmission.
• This example was first registered in Germany on 5 May 1951 and was later imported to the UK, where it remains registered today.
• Its history includes ownership by former MI6 agent Howard Greville from 1955, with a substantial collection of personal correspondence and documentation retained within the history file.
• Following its acquisition by Kenneth Float in 1972, the car underwent a comprehensive restoration over approximately two decades, with photographic records documenting the work carried out.
• The bodywork and mechanical restoration reportedly returned the car to concours-standard presentation, after which it won several awards and was displayed at Mercedes-Benz World Brooklands between 2008 and 2013.
• It was featured in Classic & Sports Car magazine in 2023, with a copy of the publication included within the history file.
• The odometer indicates 89,872 km, though this is not warranted.

EQUIPMENT AND FEATURES

• The Mercedes-Benz 170 S Convertible B was positioned as one of the most luxurious and prestigious variants within the W136 range, combining elegant coachwork with refined touring capability.
• This example is finished in an appealing two-tone blue paint scheme with a grey convertible roof, over a grey leather-trimmed interior, featuring contrasting blue carpets, a black dashboard, and wood and chrome trim.
• It rides on a set of 15-inch steel wheels fitted with body-coloured and chrome hubcaps, fitted with mixed tyres.
• Equipment includes twin yellow spotlights, a three-spoke steering wheel, a Siemens radio, an analogue clock, and brown glass sun visors.
• The car is accompanied by its original stamped Mercedes-Benz service book, original owner's manuals, original Mercedes-Benz plastic wallet, workshop manual, restoration photographs, invoices, historic correspondence, purchase invoice, and copies of period and modern documentation relating to its history.
• There is one ignition key included in the sale.

CONDITION

• Please refer to the photo gallery to assess the exterior and interior condition.
• Specific notes from the seller include: the bodywork and paintwork form part of a restoration programme undertaken over approximately twenty years following the car's acquisition in 1972. The interior trim, woodwork and convertible roof were renewed during the restoration. There are minor blemishes to the rear boot area. The restoration also included mechanical refurbishment.

SERVICE HISTORY

• The seller states that the last recorded maintenance was carried out in May 2026 at an indicated 89,915 km by Autofficina, when the spark plugs were replaced.

SUMMARY

This W136-generation Mercedes-Benz 170 S Convertible B is a charming and increasingly scarce post-war German convertible, combining elegant styling with unusually well-documented provenance. Benefiting from an extensive restoration, a remarkable ownership history connected to former MI6 agent Howard Greville, and a large collection of accompanying documentation, it represents a fascinating example of one of Mercedes-Benz's most prestigious early post-war models. Accompanied by restoration records, original books, correspondence, period photographs, and magazine features, this W136 would make a noteworthy addition to any collection of significant European classics. Equally suited to concours events, historic touring, and classic car gatherings, it offers a compelling opportunity to acquire a highly characterful open-top Mercedes-Benz with a uniquely documented story.

Descriptions are provided by the seller and, to their knowledge, are accurate and not misleading. Buyers must satisfy themselves of the description’s accuracy, and independent research is strongly advised. Enquiries should be raised in the comments section and any inspections arranged before bidding.

Classic and collectible vehicles may have had cosmetic or bodywork repairs that are not visually apparent. Photographs may not accurately reflect colour or condition, so buyers should confirm key details directly with the seller. Unless stated otherwise, you must assume that any cherished, personalised, or heritage vehicle registration is not included in the sale of a car or bike. Please see our Terms and Conditions for full details.

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