Mercedes CL63 Expansion Tank Parts

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Mercedes CL63
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Belts and Cooling
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Expansion Tank/Coolant Reservoir
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2008, 2009, 2010 Mercedes CL63 AMG
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$65.99
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$68.74
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$76.00
2008, 2009, 2010, 2011, 2012, 2013, 2014 Mercedes CL63 AMG
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$49.99
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$52.07
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$70.00
2008, 2009, 2010, 2011, 2012, 2013, 2014 Mercedes CL63 AMG
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$64.99
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$67.70
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$70.00
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2008, 2009, 2010, 2011 Mercedes CL63 AMG
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$70.99
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$73.95
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$70.00

Mercedes CL63 expansion tank typically cost between $49.99 and $70.99.

What Are Common Signs Of A Failing Mercedes Cl63 Expansion Tank?

A few things catch your attention when the Mercedes CL63 expansion tank starts going bad. The first clue is usually a small puddle of coolant under the car, often by the front wheel on the passenger side. You might see the low coolant light pop up on the dash and wonder why, since you just filled it. On a closer look, you could notice thin cracks or strange color patches on the expansion tank itself. Temperatures may start creeping up if the system can’t hold pressure right, making the engine overheat. Sometimes, there’s a sweet smell—like maple syrup—from under the hood or inside, pointing to a coolant leak from the Mercedes CL63 expansion tank. Spotting these issues early can spare you from a blown radiator or worse.

How Do You Replace The Mercedes Cl63 Expansion Tank?

Switching out a Mercedes CL63 expansion tank isn’t a walk in the park, but it’s doable with some preparation. Wait until the engine cools down. Safety first—pull the negative cable off the battery. Drain out the coolant to keep mess low. After that, loosen and pull off the hoses and any plugs hooked up to the expansion tank. Unscrew the bolts holding it in place and carefully lift it out. Set the new tank in with steady hands, making sure hoses and wires are back where they belong, tight but not forced. Pour in the right kind of coolant, then bleed the system to let out trapped air. Fire up the engine and keep an eye out for leaks. Solid job, and the car’s cooling system is set.

Which Coolant Should You Use In The Mercedes Cl63 Expansion Tank?

Getting the right coolant for the Mercedes CL63 expansion tank matters, not just for running smooth, but for engine life, too. Mercedes usually calls for a special ethylene glycol-based coolant, blue or pink in color depending on the year. This specific formula stops rust and keeps everything cool without clogs. Mixing coolants, even when the colors look close, can gum up the works and eat away at seals. The only safe bet: check the owner’s manual or ask a pro for the right type before pouring anything in the expansion tank.

Why Does My Mercedes Cl63 Expansion Tank Keep Losing Coolant?

Losing coolant in the Mercedes CL63 expansion tank points to a problem somewhere in the chain. Sometimes, it’s a hairline crack in the tank, letting coolant vanish one drip at a time. Other times, leaks show up at the hose joints or from a seal worn thin around the cap. A radiator cap that’s not holding pressure right could also be the culprit, letting steam or liquid sneak out. Sometimes, the leak starts elsewhere but ends up looking like a expansion tank issue. Checking all hoses, clamps, and the radiator can narrow it down.

Can I Temporarily Drive With A Faulty Mercedes Cl63 Expansion Tank?

Driving with a busted Mercedes CL63 expansion tank puts the car at risk, plain and simple. Even a tiny leak can turn major once the motor heats up, draining coolant fast and raising the chance of a fryed engine. If you absolutely have to go a short distance, fill to the proper level and keep one eye on the temperature gauge. No matter the situation, fixing or swapping out the expansion tank as soon as you can is always the safer move.

Why Buy Your Mercedes CL63 Expansion Tank From AutohausAZ?

Shopping for a Mercedes CL63 expansion tank at AutohausAZ makes sense when you want quality without a headache. We keep prices fair, offering real discounts, so you don’t stress about shelling out too much on a single part. Our team does the digging, making sure every piece in our stock fits just right and lasts. Ordering? Takes minutes. Once you click, your part starts its journey same day most of the time. You get tracking, so you always know where it is. Didn’t work out or not what you needed? Our return process is simple. No runaround or fine print. Customer support isn’t a robot—it’s real people, ready to step in when you need answers or a little help. With us, reliable parts and a smooth experience are what you get every time you order. AutohausAZ helps keep your Mercedes ticking, mile after mile.