Buyer's guide
Look for well-documented service history and original ownership records when evaluating C123 coupes, as mechanical integrity is paramount. Avoid examples with rust damage or evidence of poor restoration, focusing instead on original paint and interior condition.
Common issues
| Issue | Severity | Notes |
|---|---|---|
| Rubber seal degradation | High | Door seals and weatherstripping require regular maintenance |
| Cooling system corrosion | Medium | Original radiators prone to internal corrosion after 40 years |
| Transmission fluid leaks | Medium | 4-speed units may develop seal issues with age |