How do you fix a blown fuse on a Mercedes Benz?

Locate your fuse boxes, and become current with fuse sizes as well as color codes. Conduct fuse testing to find blown fuses. Gain the capacity to replace your fuses, and the potential to insulate yourself from shocking repair bills. This article will help you understand the fuses in your Mercedes-Benz C-Class w204.

What is the fuse box diagram for a Mercedes Benz?

Fuse box diagrams (fuse layout) and assignment of fuses and relays, location of the fuse blocks in Mercedes-Benz vehicles. Fuse box diagram (fuse layout), location, and assignment of fuses and relays Mercedes-Benz 190, 190 E and 190 D (W201) (1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993).

What causes a circuit breaker to blow a fuse?

See Figure 1. When faulted, the fault allows too much current to flow through a shortened circuit, creating excess heat and melting the thin connector inside the fuse. The fuse “blows,” and shuts off current much faster than you can turn off the switch. See Figure 2. Some faults can happen inside the component.

Where are the fuses located in a car?

There are three fuse boxes; located in the engine compartment, trunk and cabin as shown above. Use the Fuse Diagram found with the fuses, or attached below, to determine fuse location and amperage. Note: US spec models may have no fuses in the left-side instrument panel. Find a bad fuse by checking continuity with a multi-meter.

What happens when a Mercedes Benz fuse blows?

If a fuse has blown, the inside element will be melted. Blown fuses must be replaced with fuses of the same rating, which you can recognize by the color and value. If a newly inserted fuse also blows, have the cause traced and rectified at a qualified specialist workshop, e.g. an authorized Mercedes-Benz Center.

Only use fuses marked with an “S”. Otherwise, components or systems could be damaged. The Main Fuse Box is located on the left-hand side of the engine compartment. Engine ?

Where are the fuses on a Mercedes R-class?

Whether looking for the cigarette lighter, radio , COMAND or Navigation fuse location, here you will find a lift of all the fuses on your R-Class. Location of the fuse box panels on Mercedes-Benz? Side of dashboard. (Passenger side) Under the passenger seat. Fuses are next to battery. In the rear, trunk on passenger side.

What should the fuse look like on Mercedes Benz air suspension?

Procedures are similar for other Mercedes-Benz with air suspension, but the location of the relay and fuse may change. In this S-Class W220, the air compressor motor /pump is protected by Fuse 32, which is a MaxiFuse 40 Amp. Here is what a good fuse should look like.

Where are the fuses in the engine bay?

To access these fuses you will have to remove the cover in the luggage compartment. There are fuses located in the engine bay. They are located right behind the headlight, on the passenger side. R-Class Fuse Box in the engine bay. What fuse type do I need to replace a blown fuse?

Where is the fuse box on a Mercedes C class?

Cigar lighter / power outlet fuses in the Mercedes-Benz C-Class are the fuse #47 (Front cigar lighter) in the Engine Compartment Fuse Box, and fuse #12 (Interior socket / Power outlet) in the Luggage Compartment Fuse Box. The fuse box is located on the driver’s side edge of the instrument panel, behind the cover.

Where are the fuses on a C class medic?

Scroll to the bottom of the list if you are wondering where the fuses are located on the C Class. This applies to all C Class models years 2001-2007. Fuses 21-42 are located at the side of the dash. On the driver side.

How to check the fuse on a Mercedes C class?

Auto fuses are marked and color coded (Figure 3). The two common sizes (regular ATC and mini ATM) are available at auto parts stores. Use the fuse puller to remove fuses without damage. Don’t use pliers! To check a fuse, simply look at the U-shaped connector.

What kind of Fuse do I need for wiper motor?

So the wiper motor needs a 30 amp fuse, while the tire pressure monitor uses only a 5 amp fuse. In both cases, in the event of a short circuit the properly rated fuse will blow. Always use the proper fuse. Auto fuses are marked and color coded (Figure 3). The two common sizes (regular ATC and mini ATM) are available at auto parts stores.

Where are the fuses located in a Mercedes C class?

Figure 3. Regular and mini size auto fuses arranged by amperage and color. There are three fuse boxes; located in the engine compartment, trunk and cabin as shown above. Use the Fuse Diagram found with the fuses, or attached below, to determine fuse location and amperage.

Why is my Mercedes Benz gear shift stuck?

Gear shift stuck is one of the most common problems with Mercedes-Benz cars. Unfortunately, looking to see if the brake lights turns on while you press the brake pad, is not a good test to tell if the brake light switch is working properly.

Why does my Mercedes Benz make a clicking noise?

It requires electrical power to crank the engine. The car makes a clicking noise but won’t start. Hint: Starter Problem or Low Battery This may seem obvious, but an old battery is the root of many headaches and can cause all sorts of malfunctions on Mercedes-Benz cars.

What do the fuses do on a Mercedes 190?

Fuse box diagram (fuse layout), location, and assignment of fuses and relays Mercedes-Benz 190, 190 E and 190 D (W201) (1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993). The fuses in your vehicle serve to close down faulty circuits. If a fuse blows, all the components on the circuit and their functions stop operating.

Where are the fuses on a Mercedes Benz W204?

Testing fuses in place with a multimeter. Use the Mercedes fuse allocation chart to locate a specific fuse and amperage. For instance, the reading lamps are on fuse #17, rated at 30 amps and located in the under hood box. Figure 6. W204 fuse allocation chart (page 1). Figure 7. W204 fuse allocation chart (page 2). Figure 8.

Where are the fuses on a Mercedes Benz E class?

Cigar lighter / power outlet fuses in the Mercedes-Benz E-Class are the fuses #71 (Front interior socket, Front cigarette lighter), #72 (Cargo area socket) in the Luggage Compartment Fuse Box, and fuse #9 (Glove compartment socket) in the Engine Compartment Fuse Box. It is located on the right side of the luggage compartment, behind the cover.

Why are my low beams not working on my Mercedes?

When it burns out it will stop suppling power to whatever lights it wants to. Multimeter the socket, no power replace the relay/check fuses of course. Suggest junk yard new they are about 200. The headlights on my 88 260E would turn OFF when I switched from high beams to low beams. Very unsettling the first time it happened.

What to do if your high beam light is not working?

Check your owner’s manual to be sure which kind of high beam bulb you need and get familiar with the fuse box in case the high beams stop working. Finally, practice using a digital multimeter so you can rule out electrical problems before replacing other components. A blown high beam headlight bulb, an easy fix.

What causes a car battery to blow a fuse?

In older cars, the power wire itself may work loose and chafe on the chassis. The wire insulation wears off, and the bare wire contacts the chassis, completing the short circuit back to the battery and blowing the fuse. Because the wire is loose, this short circuit can come and go. Figure 1.

Where is the regulator on a Mercedes fan blower?

The Mercedes Benz fan blower motor regulator is a series of resisters in a printed circuit board about 2-inches square located right next to the blower motor.

Where is the resister on a Mercedes Benz fan?

Just to the left of the blower motor, an electrical connector connected to a flat 1-inch-by-2-inch plate can be seen. This is the blower motor resister, which controls the fan speeds. Disconnect the multi-wire connector from the blower motor resister next to the blower motor. Start the car and turn the air conditioning on.

What causes a fuse to blow on a blower motor?

If the blower motor relay develops any sort of problem that hinders its ability to properly limit and distribute power, it may cause the blower motor fuse to blow. Any sort of electrical spikes or excessive current from a bad relay will blow the fuse and cut power in order to protect the system.

What causes a bad or failing blower motor relay?

Blown fuses. One of the first symptoms of a bad or failing AC blower motor relay is a blown AC blower motor relay circuit fuse. If the blower motor relay develops any sort of problem that hinders its ability to properly limit and distribute power, it may cause the blower motor fuse to blow. Any sort of electrical spikes or excessive current…

What causes a fuse to blow in a car?

Problems that cause fuses to blow. Fuses can also blow if someone has replaced a bad fuse with one that is of a higher amperage. The most common amperages are 15, 20 and 30, and replacing a 15 amp fuse with a 20 or 30 amp, or a 20 amp fuse with a 30 amp, may result in a blown fuse. Worse, it could cause a more severe car electrical problem,…

Can a 20 amp fuse cause a blown fuse?

The most common amperages are 15, 20 and 30, and replacing a 15 amp fuse with a 20 or 30 amp, or a 20 amp fuse with a 30 amp, may result in a blown fuse. Worse, it could cause a more severe car electrical problem, because it can cause wires to melt.

What are the symptoms of a bad fuse box?

1 Fuses blow frequently One of the first symptoms of a problem with the fuse box is fuses blowing frequently. 2 Loose fuses Another symptom of a bad or failing fuse box is loose fuses. 3 Burned fuses or terminals

Where is the fuse on my brake light?

If your lights don’t illuminate on either side and your brake light switch is good, then the next thing to check is the brake light fuse. Locate your vehicle’s fuse box, which is usually under the hood or on the kick panel inside the passenger compartment.

Is it dangerous to replace a blown fuse?

Never replace a blown fuse with one of a higher amperage , which can be dangerous or can cause damage to your electrical panel wiring. You can take the blown fuse to a hardware or home store for help in getting an exact replacement.

What causes a fuse to blow in Your House?

– Usually, the power goes out in a certain area of your home rather than going out throughout the entire structure. – Oftentimes, the area loses power when you are running several electrical appliances and turn on another. This overload can cause a fuse to blow.

Where is the fuse box on a car?

Locate your vehicle’s fuse box, which is usually under the hood or on the kick panel inside the passenger compartment. Using the fuse diagram on the box’s cover (or in the manual), find the fuse for the brake circuit and make sure it hasn’t been blown. If it has, replace it with a fuse of the same resistance. 4. Bad Socket

What should you do before replacing a fuse on a Mercury Grand Marquis?

Before replacing a fuse check that the key has been removed from the ignition and that all the services are switched off and/or disengaged. Always disconnect the battery before servicing high current fuses. Do not repair fuses and never replace a blown fuse with one that has a higher amp rating.

Can a broken fuse be replaced with a new fuse?

Never replace a broken fuse with anything other than a new fuse. Even after a fuse is replaced, it will continue to blow if the cause of the overload is not identified and corrected. If the fuse continues to blow, have the vehicle’s electrical system checked by your dealer or a qualified service technician.

When to check for a blown fuse on a Mercedes ML350?

If your map light, stereo, turn signals, heated seats, headlights or other electronic components suddenly stop working, chances are you have a fuse that has blown out. Fuses should always be the first thing you check if your ML350 is experiencing electrical difficulties because they are relatively easy to check and inexpensive to change.

What are the symptoms of a blown fuse?

Symptoms of blown fuses include lights, stereo, that stop working on your 2007 Mercedes-Benz ML350 3.5L V6 About Us Maintenance Parts & Tools Contact English SpanishFrench Search Home Mercedes-Benz ML350 2007 Fuse (Engine) / Check Blown Fuse Check 2006-2011 Mercedes-Benz ML350 1. Getting Started – Prepare for the repair 2.

Where are the fuses on a Mercedes Benz?

Some Mercedes-Benzs have multiple fuse boxes in the engine bay, so be sure to find the fuse(s) in question. Some components may have multiple fuses, so make sure you check all of the fuses that are linked to the component in question.

What causes a Mercedes C class to blow a fuse?