Mercedes A 140 Workshop Manuals and Repair Manuals

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Mercedes A 140

The Mercedes-Benz A-Class is a compact car produced by the German automobile manufacturer Mercedes-Benz. The first generation (W168) was introduced in 1997, the second generation model (W169) appeared in late 2004, and the third generation model (W176) was launched in 2012. The A 140 is a five-door hatchback car, which was built from 1997 until 2004. It was designed by Steve Mattin in 1994 and was produced with both, manual and automatic transmission style. It had power of 60 kW and its top speed is listed as 170 km/h. The A-Class is a front wheel drive car and features traction control (ASR) as standard, as well as electronic stability control and anti-lock brakes (ABS).

Mercedes A 140 FAQ's

How do I change the oil in a Mercedes A 140?

To change the oil in a Mercedes A 140, start by locating the oil drain plug underneath the engine. Use a wrench to loosen the plug and let the old oil drain into a pan. Once all the oil has drained, replace the drain plug and refill the engine with the recommended amount of fresh oil, making sure to use the correct viscosity and type as specified in the manual.

How do I check the battery in a Mercedes A 140?

To check the battery in a Mercedes A 140, open the hood and locate the battery. Inspect the battery terminals for any signs of corrosion or loose connections. Use a multimeter to measure the battery voltage, ensuring it is within the manufacturer's specified range. If the battery voltage is low or the battery is more than a few years old, it may be a good idea to have it tested professionally or consider replacing it to avoid potential starting or electrical issues.

How do I diagnose a check engine light in a Mercedes A 140?

When the check engine light illuminates in a Mercedes A 140, it indicates that the vehicle's onboard diagnostic system has detected a potential issue with the engine or emissions system. It is recommended to use an OBD-II scanner to retrieve the diagnostic trouble codes (DTCs) associated with the check engine light. Once you have the codes, consult the repair manual or seek professional assistance to diagnose and address the specific problem indicated by the codes.

How do I perform a basic engine tune-up on a Mercedes A 140?

Performing a basic engine tune-up on a Mercedes A 140 typically involves inspecting and replacing the spark plugs, inspecting and adjusting ignition timing, checking and adjusting valve clearance, inspecting and cleaning the air filter, and inspecting and adjusting the idle speed and mixture. Consult the repair manual for detailed instructions and specifications specific to your vehicle's engine. Performing regular tune-ups can help optimize engine performance, fuel efficiency, and overall reliability.

How do I replace a cabin air filter in a Mercedes A 140?

The cabin air filter in a Mercedes A 140 is typically located behind the glove compartment. Open the glove compartment and remove any contents. Then, push the sides of the compartment inward to release the stops and allow it to hang freely. Locate the filter housing cover, remove it by releasing the clips or screws, and take out the old filter. Install the new filter in the correct orientation, ensuring a proper seal, and reattach the filter housing cover and the glove compartment.

How do I replace a fuel filter in a Mercedes A 140?

The fuel filter in a Mercedes A 140 is typically located near the fuel tank or along the fuel lines. Before replacing the filter, relieve the fuel system pressure by disconnecting the fuel pump fuse or relay and running the engine until it stalls. Once the pressure is relieved, disconnect the fuel lines from the filter and remove any mounting brackets or clips securing it. Install the new filter in the correct direction of fuel flow and reconnect the fuel lines, ensuring proper tightness. Finally, reestablish fuel system pressure, start the engine, and check for any fuel leaks.

How do I replace a headlight bulb in a Mercedes A 140?

To replace a headlight bulb in a Mercedes A 140, open the hood and locate the back of the headlight assembly. Disconnect the electrical connector from the bulb and then twist and remove the bulb holder. Take out the old bulb and replace it with a new one, making sure not to touch the glass with your bare hands. Reinstall the bulb holder, reconnect the electrical connector, and test the headlights before driving.

How do I replace a serpentine belt in a Mercedes A 140?

To replace the serpentine belt in a Mercedes A 140, start by locating the belt tensioner, which is typically located near the top of the engine. Use a suitable tool to rotate the tensioner, relieving the tension on the belt. Carefully slide the old belt off the pulleys, making note of the routing. Then, install the new belt following the correct routing pattern and ensure it is properly seated on each pulley. Finally, release the tensioner and verify that the belt is correctly tensioned.

How do I replace a spark plug in a Mercedes A 140?

To replace a spark plug in a Mercedes A 140, start by locating the spark plug wires or ignition coils, depending on the vehicle's ignition system. Disconnect the wires or coils from the spark plug, then use a spark plug socket and ratchet to remove the old spark plug. Inspect the plug for any signs of damage or fouling, and gap the new spark plug to the manufacturer's specifications. Finally, install the new spark plug, reconnect the wires or coils, and repeat the process for each spark plug in the engine.

How do I replace the brake pads on a Mercedes A 140?

To replace the brake pads on a Mercedes A 140, start by removing the wheel to access the brake caliper. Use a suitable tool to retract the caliper piston, then remove the caliper bolts and carefully lift the caliper off the brake rotor. Take out the old brake pads and install the new ones, ensuring they are properly aligned. Finally, reassemble the caliper, reinstall the wheel, and test the brakes before driving.

How do I reset the service indicator on a Mercedes A 140?

To reset the service indicator on a Mercedes A 140, turn the ignition to position 1 (without starting the engine) and immediately press and hold the "0" button on the instrument cluster for about 10 seconds until the service menu appears. Use the "+" and "-" buttons to navigate to the "Assyst Plus" option and press the "0" button to select it. Finally, use the "+" and "-" buttons to navigate to the "Full Service" or "Service Due" option, press the "0" button to select it, and confirm the reset when prompted.

How often should I change the transmission fluid in a Mercedes A 140?

The recommended interval for transmission fluid change in a Mercedes A 140 can vary depending on the model year and driving conditions. However, a general guideline is to replace the transmission fluid every 40,000 to 60,000 miles or every 4 to 5 years, whichever comes first. It is important to consult the specific recommendations in the repair manual and consider factors such as severe driving conditions or towing, which may require more frequent fluid changes.

What is the recommended tire pressure for a Mercedes A 140?

The recommended tire pressure for a Mercedes A 140 can be found on a sticker located on the inside of the driver's door jamb or in the owner's manual. It is important to follow the manufacturer's specifications to ensure optimal tire performance, fuel efficiency, and safety. Check the tire pressure regularly and adjust as needed, keeping in mind that tire pressure can fluctuate with temperature changes.

What type of coolant should I use in a Mercedes A 140?

It is recommended to use a high-quality ethylene glycol-based coolant that meets the specifications outlined in the Mercedes A 140 repair manual. This coolant should provide sufficient protection against freezing and boiling while also preventing corrosion and deposits in the cooling system. Be sure to check the coolant level regularly and top up if necessary.

What type of engine oil filter should I use for a Mercedes A 140?

It is crucial to use a high-quality engine oil filter that meets the specifications outlined in the Mercedes A 140 repair manual. Look for filters that are specifically designed for your vehicle's engine and follow the recommended replacement intervals. Using the correct filter ensures effective filtration of contaminants and helps maintain the engine's performance and longevity.

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