Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1974 450SL.
The 1974 Mercedes 450SL Overview records only a single owner complaint, all concerning steering, and notes zero recalls, placing its reliability at the low end of complaint volume for the model year. As a vehicle positioned within Mercedes' lineup, it reflects a period when the brand balanced luxury with emerging quality concerns, and the solitary steering issue serves as a focal point for researchers examining early‑era SL reliability trends. The absence of recalls alongside that lone complaint underscores a generally stable foundation, while the limited complaint count signals that the 1974 450SL remains a relatively reliable example within its generation.
Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.
Owner complaints about the 1974 Mercedes 450SL dominate in one area — the steering, 1 of 1 reports (100%), well ahead of the next concern. NHTSA has issued no recalls for this vehicle, so these are owner-reported concerns only. 0 of the reports describe a crash and 0 a fire — a small share of the total, but worth weighing against the steering pattern above. These are tallies of what owners actually reported to the federal government, not an editorial score — and higher-selling models naturally rack up more reports.
All 1 complaints on record, top 1 components.
Source: NHTSA Office of Defects Investigation complaint database.
No recall campaigns on record with NHTSA for this vehicle as of the last data refresh.
The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.
Decode factory build data for a specific vehicle by VIN.
Cross-vehicle references for the kinds of data on this page.
NHTSA lists 0 recall campaign(s) for this model year. Check your specific vehicle by VIN.