The 1987 Mercedes 300D is a luxury diesel sedan featuring a 3.0L inline-5 turbocharged diesel engine, 4-speed automatic transmission, advanced safety systems, climate control, power windows, central locking, and comprehensive instrumentation. Below are key sections covering operation, maintenance, specifications, and troubleshooting for this classic German automobile.
The Mercedes 300D combines luxury with diesel efficiency. Key features include turbocharged performance, leather interior, automatic climate control, and Mercedes-Benz safety engineering.
| Component | Description |
|---|---|
| Engine | 3.0L OM617 turbocharged diesel inline-5 |
| Transmission | 4-speed automatic with torque converter |
| Fuel System | Direct injection with mechanical pump |
| Suspension | Independent front and rear with stabilizer bars |
| Brakes | Power-assisted disc brakes on all wheels |
| Seating | Leather upholstery with power adjustments |
| Climate Control | Automatic temperature regulation |
| Security | Central locking system with keyless entry |
Comprehensive dashboard display with analog gauges and warning lights.
NOTE: Glow plug light must extinguish before starting in cold weather.
Dashboard and center console controls for vehicle operation.
Steering Column: Turn signal stalk, cruise control, wiper controls.
Center Console: Climate controls, radio, power window switches, hazard lights.
Transmission Selector: P-R-N-D-3-2-1 with shift lock release.
Climate Control: Automatic temperature setting with manual override.
Regular maintenance ensures optimal performance and longevity.
WARNING! Use only Mercedes-approved fluids and filters.
Proper operation techniques for diesel engine performance.
Tip: Regular highway driving helps prevent turbocharger carbon buildup.
Advanced safety features for 1987 model year.
| System | Function |
|---|---|
| ABS Brakes | Prevents wheel lock-up during hard braking |
| ASR | Automatic slip regulation for traction control |
| Airbags | Driver-side airbag (optional) |
| Seat Belts | 3-point inertia reel belts front and rear |
| Crush Zones | Front and rear deformation elements |
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Hard starting | Glow plugs, battery | Check glow plug operation; test battery voltage |
| Black smoke | Overfueling | Inspect injection pump and injectors |
| White smoke | Injection timing | Verify injection pump timing |
| Loss of power | Turbo, fuel system | Check turbo boost pressure; fuel filter |
| Transmission slip | Fluid level | Check ATF level and condition |
Service: Contact authorized Mercedes-Benz dealer for professional service.
Original warranty coverage and service information.
Basic Warranty: 48 months/50,000 miles. Powertrain: 48 months/unlimited miles. Rust Perforation: 72 months/unlimited miles. For warranty claims, contact your authorized Mercedes-Benz dealer with proof of purchase and maintenance records.