Why does the check engine light in my 400E turn on when I start my car?

It's okay if your check engine light comes on when you first start your vehicle. This is just your 400E testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.

Why is my Mercedes-Benz 400E making engine noise?

Unusual noises can signal a problem with your Mercedes-Benz 400E engine. Tapping or knocking could mean you need an oil change. Whistling could mean a belt is misaligned or there's an intake leak. Squealing can indicate a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.

What could damage a Mercedes-Benz engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Mercedes-Benz 400E engine?

Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, flooring the gas pedal while the car is in Park, or pushing 'the pedal to the metal' before the engine has warmed up. Protect your engine’s performance and efficiency by distancing yourself from these habits.

Can I use water in my Mercedes-Benz 400E radiator?

Only in emergencies. A 50/50 mix of coolant and water (or a pre-mixed) coolant is recommended. However, if you must keep driving when you're out of coolant, it's better to drive with water in your coolant reservoir than nothing.

What can cause the engine in my 400E to suddenly stop?

Your 400E car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.

Where can I go for Mercedes-Benz 400E repair?

Your local Firestone Complete Auto Care has you covered with expert 400E engine repair. Schedule an appointment today and see us at one of our thousands of locations.

1992 Mercedes-Benz 400E Engine Repair

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1992 Mercedes-Benz 400E Trim Options

Select your Mercedes-Benz 400E trim level to learn more about Mercedes-Benz-recommended engine repair. Use the following chart to find information.

V8/4.2L

Mercedes-Benz 400E Repairs and Services

Nothing stays the same forever. Even your Mercedes-Benz 400E’s engine parts and components will change. When something breaks, we're ready. Click on a repair below to learn more about 1992 Mercedes-Benz 400E repairs.

We Care for Mercedes-Benz 400E Engines

The Mercedes-Benz 400E is respected for its reliability. You probably thought about that when you got it. Even so, pieces and parts can break down over time. Things can go sideways sometimes. If they do, you’ll have to find a dependable 1992 Mercedes-Benz service center — quick! That's when it's time to head to Firestone Complete Auto Care. Since 1926, we’ve taken care of 500 million+ cars, so you can rest assured knowing your Mercedes-Benz 400E engine will be in good hands. Schedule an appointment if you're experiencing problems that could require engine repair. Firestone Complete Auto Care offers both trustworthy and affordable engine repairs.

Check Engine Light on 1992 Mercedes-Benz 400E

As soon as your 400E check engine light turns on, it’s time to get an expert’s opinion. A check engine light that’s on or flashing could be a symptom of a serious problem in your or emission system that won't go away on its own. Potential causes may include a faulty oxygen sensor, bad spark plug, a problem with your catalytic converter, or a leaking engine vacuum, to name a few possible causes. Stop by your local Firestone Complete Auto Care to get your 400E issues diagnosed and we’ll figure out why that check engine light is giving you grief. Other signs it's time for Mercedes-Benz 400E engine service might include burning smells, or a sinking feeling that something’s wrong.

Mercedes-Benz 400E Engine Repair

When your Mercedes-Benz 400E engine needs repairs, our technicians will provide you with a thorough explanation beforehand. We make recommendations, but you make the final decision. If a repair can wait, we'll let you know. If it's necessary for your safety, we'll make sure you understand that, too. We want to give you all the details you need to make an informed decision about your engine repairs. Choose Firestone Complete Auto Care for Mercedes-Benz 400E engine repairs and you can feel confident knowing that we use Mercedes-Benz-approved parts and components like the cambelt, valve guide seal, ignition coil, or another part.

Engine Q&A 1992 Mercedes-Benz 400E

Why does the check engine light in my 400E turn on when I start my car? It's okay if your check engine light comes on when you first start your vehicle. This is just your 400E testing its circuits. The dash light shouldn't stay on. If it does, you might want to bring your vehicle in for service.
Why is my Mercedes-Benz 400E making engine noise? Unusual noises can signal a problem with your Mercedes-Benz 400E engine. Tapping or knocking could mean you need an oil change. Whistling could mean a belt is misaligned or there's an intake leak. Squealing can indicate a loose fan belt, and grinding could be a sign that something is wrong with your brakes — not the engine.
What could damage a Mercedes-Benz engine? [ordered-list-1-item-3-1]Are you unknowingly damaging your Mercedes-Benz 400E engine? Some driving habits are not so great for your engine. These include driving on a near-empty gas tank, flooring the gas pedal while the car is in Park, or pushing 'the pedal to the metal' before the engine has warmed up. Protect your engine’s performance and efficiency by distancing yourself from these habits.
Can I use water in my Mercedes-Benz 400E radiator? Only in emergencies. A 50/50 mix of coolant and water (or a pre-mixed) coolant is recommended. However, if you must keep driving when you're out of coolant, it's better to drive with water in your coolant reservoir than nothing.
What can cause the engine in my 400E to suddenly stop? Your 400E car engine could stop suddenly due to low fuel, electrical issues, overheating, a faulty ignition system, mechanical troubles, or sensor problems.
Where can I go for Mercedes-Benz 400E repair? Your local Firestone Complete Auto Care has you covered with expert 400E engine repair. Schedule an appointment today and see us at one of our thousands of locations.