Mercedes-Benz 300SD 1981 User Manual

Overview of dashboard gauges, switches, and controls.

Details on all indicators and gauges within the instrument panel.

Description of master, supplementary, and flat keys; obtaining replacements.

Instructions for opening, locking, and unlocking vehicle doors.

How the central locking system operates all vehicle doors.

Operation of power-adjustable driver and front passenger seats.

Adjusting and detaching front and rear seat headrests.

Manual adjustments for seat back, armrests, and lumbar support.

Details on rear armrests and seat heating operation.

Proper use, fastening, adjustment, and unfastening of seat belts.

How to lock and unlock the steering wheel with the ignition key.

Operation of exterior and interior lighting functions.

Using the stalk for lights, turn signals, and wipers.

Setting, accelerating, decelerating, and canceling cruise control.

How the automatic climate control system maintains interior temperature.

Explanation of defrost, normal, economy, and fan modes.

Adjusting exterior mirrors and the inside rear view mirror.

Using sun visors and operating the sliding roof.

Operation of interior lamps, trunk lamp, and glove compartment lamp.

Using the electric lighter, shelf, and window lifters.

Basic on/off, volume, tone, and speaker balance controls.

Selecting bands, tuning stations, and FM stereo reception.

Storing and recalling radio stations via buttons and manual tuning.

Direct frequency dialing, automatic station search, and safety notes.

Setting the clock and using radio timers for automatic operation.

How to open, close, and secure the vehicle's hood.

Engaging the parking brake and starting/stopping the engine.

Operating the automatic transmission and gear selection.

Tips for maneuvering, trailer operation, stopping, and general safety.

Preparing for winter, tire recommendations, and driving on slippery roads.

High altitude correction, tire chains, and traveling abroad advice.

Scheduled maintenance intervals and severe operating conditions.

Importance and availability of genuine Mercedes-Benz spare parts.

General washing, tar removal, and protecting paintwork.

Specifics on washing, interior surfaces, and seat belts.

Care for velours, paint, wheels, and ornamental moldings.

Bleeding the fuel system and manual engine shutdown.

Location and use of first aid kit, luggage racks, and tools.

Recommendations for tire selection, rotation, and rim checks.

Step-by-step guide for replacing a vehicle wheel.

Checking and maintaining correct tire pressure for various conditions.

Procedure for checking engine oil level using the dipstick.

Checking coolant level and adding coolant safely.

Checking the transmission fluid level with the engine running.

Locating and replacing fuses; battery maintenance and safety.

Replacing bulbs and adjusting headlamp aim.

Details on tail lamps, license plate lamps, and identification plates.

Operation of interior, trunk, and glove compartment lamps.

Windshield wipers, emergency sliding roof, and fuel filler flap operation.

Procedure for starting a vehicle with a discharged battery using jumper cables.

Methods for tow-starting and safely towing the vehicle.

Location of various vehicle identification and emission tags.

Importance of data cards and overview of warranty coverage.

Detailed engine, transmission, and steering system specifications.

List of bulb wattages and main vehicle dimensions.

Recommended engine oils, transmission fluid, and capacities.

Capacities for rear axle, steering, brakes, fuel tank, and cooling system.

Guidelines for using diesel fuels, including winterization and kerosene.

Coolant mixture, protection levels, and antifreeze recommendations.

Contact information for obtaining official service literature.

Summary of fuel types, capacities, and engine oil recommendations.

Coolant, bulb types, and tire pressure specifications.