Mercedes450SLC1977Overview/mercedes/450slc/1977/base/

1977 Mercedes 450SLC

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1977 450SLC.

The 1977 Mercedes 450SLC appears in the reference record as a single model-year entry identified by its 450SLC designation, with no further body, platform, or engine details documented beyond the model name itself. What the file does establish with precision is the vehicle's standing on the owner complaint ledger: exactly one report filed, concentrated in the Structure category, against a recall history of zero campaigns. For a researcher building a reliability profile, that footprint situates the 1977 model year as a notably quiet entry in the lineage — a year with effectively no documented owner dissatisfaction and no manufacturer-issued recall actions, rather than one marked by recurring or systemic problems.

Model year1980197719761973

Reliability & federal safety record

Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.

Owner complaints about the 1977 Mercedes 450SLC dominate in one area — the structure, 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 structure 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.

0
Open recalls
NHTSA campaigns
0
Service bulletins
Manufacturer communications
0
ODI investigations
Office of Defects Investigation
1
Owner complaints
0 involved a crash · 0 a fire

Owner complaints filed with NHTSA, by component

All 1 complaints on record, top 1 components.

Structure1

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

No recall campaigns on record with NHTSA for this vehicle as of the last data refresh.

Common OBD-II trouble codes

The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.

P0420
Catalyst system efficiency below threshold — Bank 1
P0300
Random / multiple cylinder misfire detected
P0171
System too lean — Bank 1
P0455
Evaporative emission system leak detected — large leak
P0128
Coolant thermostat below regulating temperature
P0442
Evaporative emission system leak detected — small leak

VIN tools

Decode factory build data for a specific vehicle by VIN.

VIN
Decode a VIN to confirm the transmission and build data for a specific 450SLC. OEM
Build data
Plant, GVWR class, engine and body data for any 17-character VIN.
Recalls
Check open recall campaigns against a specific vehicle by VIN.

Reference guides

Cross-vehicle references for the kinds of data on this page.

Frequently asked

Does the 1977 450SLC have open recalls?

NHTSA lists 0 recall campaign(s) for this model year. Check your specific vehicle by VIN.