AI Damage1985 Mercedes-Benz 300: common problems
Owners of the 1985 Mercedes-Benz 300 filed 5 complaints with NHTSA, most often about tires and powertrain. Details by component below, with sources.
Key figures
- Owner complaints
- 5
What fails most often
- 1 Tires 60% of all complaints
- 2 Powertrain 20% of all complaints
- 3 Structure 20% of all complaints
- Tires: 3 complaints (60% of all).
- Powertrain: 1 complaints (20% of all).
- Structure: 1 complaints (20% of all).
Engines and transmissions
US-market versions per EPA. On the right: how many NHTSA complaints name this engine or transmission type.
- 3 L · diesel · turbo · 5 cyl
- automatic, 4-speed
Drive: RWD
Symptoms owners describe
How many of the 5 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Tires | 3 | 0 | 0 |
| Powertrain | 1 | 0 | 0 |
| Structure | 1 | 0 | 0 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
One tire blew out and the other two experienced tread failure. They are replacement tires and the tire size is 195/70r14. The tire company is tbc corporation and the brand name is centered. The contact stated that he was unable to contact the manufacturer. The contact has owned the vehicle for 18 months.
The left front pirelli p400 touring tire had failed internally, the steel belt had separated, a section of the tread was gone, and the belt was showing through, tire mileage at time of failure was 27628, consumer states that while driving the pirellis felt mushy.
Car was parked in driveway, unlocked the door and noticed that vehicle was rolling backwards while gear shift lever was in park.
Rust through of structural member- described as common fault on left side only due to manufacturer's defect.
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
Comparison
By complaint count this model year ranks 14,282 of 36,656 model years in the NHTSA data (top 39% most complained about).
On average one model year of the 300 has 9 complaints (22 years in the data). This year has 5, below average.
What to check before buying
- Tires. Tire age by DOT code, bulges, wear pattern.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
- Structure. Rails, pillars, panel gaps, signs of pulling or welding.
Other years of this model
Questions and answers
What are the most common problems with the 1985 Mercedes-Benz 300?
Owner complaints to NHTSA most often mention: tires, powertrain, structure. Total complaints: 5. The most frequent symptoms in complaint texts: rust, corrosion (20%), tires: bulges, blowouts (20%).
How many service bulletins (TSB) were issued for the 1985 Mercedes-Benz 300?
NHTSA lists 0 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 1985 Mercedes-Benz 300 from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 1985 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-05.