The 1974 Mercedes-Benz 450sl has 1 NHTSA recall campaign affecting an estimated 18,000 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 1 complaint with NHTSA, most often about the steering. Last updated July 5, 2026.
ON THE INVOLVED VEHICLES, CORROSION COULD DEVELOP IN THE CRUISE CONTROL SYSTEM SERVO UNIT. CONSEQUENTLY, THE CRUISE CONTROL SYSTEM MAY NOT RESPOND TO ATTEMPTS TO RELEASE IT BY DEPRESSING THE BRAKE PEDAL, BUT COULD BEGIN TO ACCELERATE THE VEHICLE FROM THE SET SPEED (ABOVE APPROXIMATELY 30 MPH).
DEALER WILL INSPECT AND, IF NECESSARY, INSTALL A REPLACEMENT ACTUATOR UNIT INSIDE THE PASSENGER COMPARTMENT, FREE OF CHARGE.
Verbatim reports filed with NHTSA, lightly edited for readability and with personal information removed.
“As the second, and relatively new, owner of a low mileage vintage mercedes, I have been informed in june 2017 that there is an open safety recall for this model due to a design flaw that causes cracks in the subframe, leading to a potential "catastrophic failure" of the steering system. I have…”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 1974 Mercedes-Benz 450sl as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.