Mercedes S350 Idle Control Valve Parts
Showing 2 out of 2 part(s) found in our catalog.
Brand
Keyword
Category
Select category below to view parts.
Mon-Fri 8-4 MST/PST (Arizona Time)
The average price of a Mercedes S350 idle control valve is between $34.99 and $38.99.
What Are Common Symptoms Of A Faulty Mercedes S350 Idle Control Valve?
When the Mercedes S350 idle control valve starts to fail, the car might idle rough or even stall once you start it up. You could notice the engine speed bouncing without any clear reason, making the drive unpredictable. Sometimes the idle sits higher than normal. Other times, it drops too low and the car almost cuts off at stoplights. The check engine light may flicker on, throwing another wrench into routine drives. Odd vibrations in the steering wheel when standing at a red light can hint at valve trouble. These kinds of problems leave the car feeling uneasy. It’s smart to look for vacuum leaks or spark plug issues too, since they sometimes create similar headaches.
How Can I Clean A Mercedes S350 Idle Control Valve?
To clean the Mercedes S350 idle control valve, begin by disconnecting the battery. Find the valve near the throttle body. Remove hoses or screws attaching the valve—some models need a twist while others have small bolts. Once it’s off, spray inside with a carburetor or throttle cleaner. Dirt and carbon usually build up, so a gentle scrub with a nylon brush helps. Don’t rush reassembly; let the part dry. Reinstall everything as it was. Take care not to force anything back into place, as these parts don’t cope well with rough handling. Often, cleaning restores normal idle speed and keeps engine trouble at bay without needing to buy a new valve.
Can A Bad Mercedes S350 Idle Control Valve Cause Stalling?
A worn-out Mercedes S350 idle control valve causes the engine to stall, especially right after the car starts or when easing to a stop. With a bad valve, air flow at idle falters. The engine doesn’t get what it needs, and turns off without warning. Some drivers find it gets worse with the A/C on or in heat and cold, since the engine is under even more strain. Other issues might seem similar, so the valve is just one suspect among a few. Still, cleaning or replacing the valve usually clears up stalling if it’s at the root.
How Long Does A Mercedes S350 Idle Control Valve Last?
A Mercedes S350 idle control valve often lasts between 70,000 and 120,000 miles. The exact number depends on how you drive, how often maintenance is performed, and the kind of roads your car faces day to day. Traffic, lots of short drives, or neglecting air filter changes tend to gum things up faster. Replacing filters, using good fuel, and regular maintenance make a real difference in lifespan. Some valves go for years without problems, while others might stick or fail early if ignored.
How Much Does It Cost To Replace A Mercedes S350 Idle Control Valve?
Swapping out a Mercedes S350 idle control valve usually costs between $150 and $350 for the part, and $75 to $200 in labor if you have a shop do it. OEM parts add more to the bill, while aftermarket valves cost less up front. Sometimes, because of how the valve is tucked into the engine bay, labor takes longer and charges climb. If you’re able to switch it yourself, you can save that labor expense. Get quotes from a few shops and always ask for details, so you don’t find surprises later.
Looking For The Best Mercedes S350 Idle Control Valve?
At AutohausAZ, we get it—no one wants their Mercedes S350 down for long. We keep our prices competitive so finding the right idle control valve won’t strain your wallet. Orders go out fast, so you’re not left waiting days to fix a simple idle issue. Our returns process is quick and clear if the part isn’t what you need. If you hit a snag or just feel unsure, our real support team steps in. Count on us for help, honest answers, and fast shipping. We want buying auto parts to feel easy, not hectic. Let us help you keep your Mercedes running its best with the right idle control valve—no hassle, no hold-ups.

