| Typical Mercedes Problem Areas | ||||
| Chassis | Model | Years | Reported Problems/Needs/Concerns | Comments |
| W114 | 240D, 300D | |||
| W115 | 240D, 300D | |||
| W123 | 240D, 300D | 1978 - 1983 | Rust in rockers and floors | |
| Leaking Windshield weatherstrips | Front & Rear | |||
| Needs Valve Adjusting at 12k intervals | this will insure prompt starting | |||
| Timing Chain stretch | check & replace chain when stretch is 5 degrees or greater | |||
| W201 | 190 | 1984 - | ||
| W124 | 300E, 300D, | |||
| W126 | ||||
| W140 | ||||
| W220 | ||||