190SL

Hoffman's second car

The 190SL exists because Max Hoffman, the New York importer who had pressed Stuttgart for a road-going 300SL, also wanted a cheaper two-seat open car to sell beside it. Sports Car Market credits the 190SL's production to Hoffman, who foresaw that the 300SL's competition record would translate into something he could easily sell in America, and Supercar Nostalgia records that Mercedes embarked on a rapid development program thanks to his sizeable pre-orders. The problem was time. When both cars were unveiled at the International Motor Sports Show in New York in February 1954, the Mercedes-Benz Public Archive notes, the 300SL was almost ready for series production while the 190SL was still a prototype that had been neither tested nor stylistically refined. The revised car appeared at Geneva in March 1955 without the prototype's hood scoop; pre-series cars were built from January 1955 and main-series production began that May.

A sedan underneath

Where the 300SL was a tubular space frame, the 190SL was built the way the passenger-car department built everything: a welded unit floor from the Ponton 180 sedan, shortened, with a separate front subframe and a single-joint swing axle at the rear borrowed from the 220 a. The engine was new, a 1,897 cc overhead-cam four that shared the 300SL six's 85 mm bore and went on to power the 190 sedans in detuned form. The factory quoted 105 hp at 5,700 rpm. Hoffman's advertising in the US claimed 125 hp and 118 mph, against 106 mph in European literature. Wikipedia records that Rudolf Uhlenhaut built six-cylinder prototypes in 1956 because the four was felt to be short of breath, and that the board approved a six-cylinder 220SL in 1957 which never reached production.

Roadster, coupe and the hardtop

The factory archive lists three versions: a roadster with a soft top and no hardtop, a coupe with a removable hardtop, and the coupe with a soft top as well. Sports Car Market reads the chassis prefix: 121.042 for a roadster, 121.040 for a car supplied with the hardtop only. The hardtop cost about $300 extra at launch, $4,295 against $3,998, and Sports Car Market says hardtops built after 1956 were steel rather than aluminum. For a short period the first brochures also showed a competition version with light-alloy doors and a small Plexiglas windshield, which the factory stopped advertising after spring 1956 once it was clear the car could not be homologated as a Gran Turismo.

Running changes and the US cars

From January 1956 a revised subframe added two more engine supports. In March 1956 a wider chrome rail appeared on the door tops, and in June the larger taillights of the 220 a. In July 1957 the plate lights moved into the rear bumper guards, which the archive notes had until then been fitted as standard only on US-market cars. The hardtop gained its larger wraparound rear window late in the run; the archive dates it to October 1959. The trunk lock and a recessed handle followed in 1960. The last cars were built in February 1963 as production turned over to the 230SL.

What the period press said

Road & Track tested the car in its October 1955 issue and singled out the quality of design and workmanship, followed closely by the general feeling of solidity it conveyed, and concluded it was well worth the money. Sports Car Market's summary of the period figures is 110 mph and 13.3 seconds to 60 mph. It was never fast. It was a Mercedes-Benz with the 300SL's face at roughly half the 300SL's price, and that was the proposition Hoffman had sold to Stuttgart.

The two trouble spots a US restorer names are the Solex carburetors and the old-fashioned T50 power brake booster. The Solex 44 PHH problems are specific. The carburetors share mounting studs with the cast-iron exhaust manifold, so the aluminum intake joint loosens and leaks air, causing poor idle; Solex revised the mounting flanges five times during production to address it. Throttle spindles wear, letting the butterflies chatter and cut grooves in the bores, which takes machining to fix. Idle adjustment acts on only one of each carburetor's two barrels, and flat spots need accelerator-pump linkage work that is hard to reach with the carburetors installed. Poor rebuilds bring rough running and heavy fuel consumption, which is why many cars wear Weber DCOE conversions; originality-minded buyers and judges count that against a car. Water pumps leak, and ignored leaks have led to overheating and head gasket failure. Front springs sag, rear spring mounts corrode badly, and worn bushings and dampers make the car wallow. Rust is the expensive problem: comprehensive body repair was often not economic in the 1970s and early 1980s, when Sports Car Market says a tired car could be had for under $1,000, so many survivors carry old patch work under fresh paint.

Structure first, because everything else on a 190SL can be bought. The car is a steel unit body with aluminum doors, hood and trunk lid, and a US restorer notes it was rust-prone from the beginning and never adequately protected. The places to look are the trunk floor and footwells, the rear trailing arm and rear spring mounts, the wheel arches, the frame sections and around the drain holes, ideally with the car on a lift. Panels were fitted to individual bodies and stamped with the body number, as were seats and door trims, so matching stamps are the quickest test of how much of the car is original. Sports Car Market's 2017 profile gives the tells of a cheap restoration: American worm-drive hose clamps where the factory used Beru cotter-pin clamps, Weber or Mikuni carburetors in place of the Solexes, and a generic leather kit. Its 2014 profile notes original airboxes are often missing. Check the chassis prefix (040 coupe, 042 roadster) against the tops the car comes with, and the hardtop's rear window size against the build date, since the larger window arrived in late 1959. Early cars should show the January 1956 engine mounting change only if built after it; a data card copy, which several auction lots carry, settles color, trim and original options. On the road, the four-speed is fully synchronized and should not crunch, though a long lever with some play is normal. Drum brakes that pull or sit low need shoe adjustment, and a tired T50 brake booster is a known weak point.

As of September 2026 classic.com puts its market benchmark for the 190SL at $108,565 with an average sale price of $111,491, and its highest recorded sale at $245,000 for a 1961 car on June 7, 2026; its lowest recorded figure, $4,704 in October 2024, is a project rather than a comparable. Individual US results show the spread. Gooding & Company sold a 1956 roadster restored by Bob Platz, with factory hardtop and the transverse third seat, for $156,800 at Pebble Beach in August 2025, offered without reserve against a $175,000-$225,000 estimate. RM Sotheby's sold a restored black 1957 car in Santa Monica in June 2017 for $126,500 including premium, which Sports Car Market reported at the time. Sports Car Market's 2017 analysis splits the market into four tiers: European-restored drivers at roughly $100,000, conserved original cars usually under $100,000, concours restorations above that, and rust-damaged project cars at the bottom. As of September 2026 these figures describe a market where condition and correctness, not body style or chassis prefix, set the price; a dealer quoted by Sports Car Market says a coupe or roadster prefix makes no difference to value. No 190SL lot page from Mecum or Barrett-Jackson was fetched for this research.