Mercedes G 400 Workshop Manuals and Repair Manuals

To change a fuse in your Mercedes G 400, locate the fuse box, usually positioned in the engine compartment or under the dashboard. Open the fuse box cover and locate the fuse that corresponds to the circuit you need to check or replace. Using a fuse puller or a pair of needle-nose pliers, grip the fuse and carefully remove it. Inspect the fuse for any signs of damage or a blown filament. If necessary, replace the fuse with one of the same rating. Close the fuse box cover.

To change the windshield wiper blades on your Mercedes G 400, lift the wiper arm away from the windshield and locate the release tab or button on the wiper blade assembly. Press or slide the tab/button to release the blade from the wiper arm. Install the new wiper blade by aligning the adapter and pushing it onto the wiper arm until it clicks into place. Repeat the process for the other wiper blade.

To check the windshield washer fluid in your Mercedes G 400, locate the windshield washer fluid reservoir, typically positioned under the hood near the windshield. The reservoir will have a cap labeled with a windshield wiper symbol. Remove the cap and visually inspect the fluid level. If it is low, add a suitable windshield washer fluid until it reaches the desired level. Ensure that you use a washer fluid that is appropriate for your climate to prevent freezing in colder temperatures.

To check the brake fluid level in your Mercedes G 400, open the hood and locate the brake fluid reservoir, usually positioned near the firewall on the driver's side. Ensure that the vehicle is parked on a level surface. The reservoir will have a translucent plastic cap labeled "brake fluid." Remove the cap and visually inspect the fluid level. It should be between the minimum and maximum markings on the side of the reservoir. If necessary, add the recommended brake fluid to bring the level to the appropriate range.

To check the engine oil level in your Mercedes G 400, park the vehicle on a level surface and wait for the engine to cool down. Open the hood and locate the oil dipstick, usually labeled with a yellow handle. Pull the dipstick out, wipe it clean, reinsert it fully, and then pull it out again to check the oil level. The oil level should be between the minimum and maximum marks on the dipstick.

To check the tire pressure in your Mercedes G 400, start by ensuring that the tires are cold (not driven for at least 3 hours). Locate the recommended tire pressure values, usually found on a sticker inside the driver's door jamb or in the owner's manual. Remove the valve cap from each tire, use a tire pressure gauge to measure the pressure, and compare it to the recommended values. If the pressure is too low, add air until the desired pressure is reached.

To jump-start your Mercedes G 400, park another vehicle with a charged battery close to your car. Ensure that both vehicles are turned off and the keys are removed. Connect one end of the positive (red) jumper cable to the positive terminal of the dead battery, then connect the other end to the positive terminal of the charged battery. Connect one end of the negative (black) jumper cable to the negative terminal of the charged battery and the other end to a grounded metal surface on your Mercedes G 400, away from the battery. Start the engine of the vehicle with the charged battery, then attempt to start your Mercedes G 400. Once started, carefully remove the jumper cables in reverse order.

To replace a headlight bulb in your Mercedes G 400, open the hood and locate the back of the headlight assembly. Remove the protective cover by twisting it counterclockwise or releasing the clips. Disconnect the electrical connector from the bulb, then remove the old bulb by twisting it counterclockwise or pulling it out. Insert the new bulb, reconnect the electrical connector, and secure the protective cover.

To replace the air filter in your Mercedes G 400, locate the air filter housing, usually positioned in the engine compartment. Open the housing by removing the retaining clips or screws. Take out the old air filter and inspect the housing for any debris or dirt. Install the new air filter, ensuring it is properly aligned and seated. Close the housing and secure it with the retaining clips or screws.

To replace the cabin air filter in your Mercedes G 400, locate the filter housing, usually positioned behind the glove compartment or under the dashboard. Open the housing by removing the retaining clips or screws. Take out the old filter and clean the housing if necessary. Install the new cabin air filter, ensuring it is properly aligned and seated. Close the housing and secure it with the retaining clips or screws.

To reset the maintenance light in your Mercedes G 400, turn the ignition key to position 1 (without starting the engine). Press the trip odometer reset button twice quickly until the maintenance interval screen appears. Press and hold the reset button until the confirmation message appears. Release the button, turn off the ignition, and then restart the vehicle to verify that the maintenance light has been successfully reset.

The recommended brake fluid change interval for the Mercedes G 400 is typically every two years. However, it is advisable to consult the owner's manual or the automotive repair manual for the specific maintenance schedule recommended for your vehicle. Regularly changing the brake fluid helps maintain the braking system's performance and prevents potential issues due to moisture absorption and fluid degradation.

The recommended oil change interval for the Mercedes G 400 varies depending on factors such as driving conditions, mileage, and the type of oil used. As a general guideline, it is often recommended to change the engine oil every 7,500 to 10,000 miles or every 12 months, whichever comes first. However, it is advisable to consult the owner's manual or the automotive repair manual for the specific oil change interval recommended for your vehicle.

The recommended tire pressure for your Mercedes G 400 can vary depending on factors such as the tire size, load, and driving conditions. Always refer to the sticker inside the driver's door jamb or the owner's manual for the specific recommended tire pressures. It is important to maintain the correct tire pressure to ensure optimal handling, tire life, and fuel efficiency.

It is recommended to use a high-quality synthetic engine oil with the correct viscosity and approved by Mercedes-Benz for your Mercedes G 400. Consult the owner's manual or the specifications provided in the automotive repair manual to find the appropriate oil grade and viscosity for your specific model. Using the correct oil will ensure optimal performance and protection for your engine.