Mercedes CLS500 Water Pump Parts

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Mercedes CLS500
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Belts and Cooling
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Water Pump
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Please verify existing part has only 2 hose connections prior to ordering. This unit does not have a hose nipple for engine oil cooler hose, cannot be used on models with oil cooler mounted at oil flter...
2006 Mercedes CLS500
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Leaves closest warehouse today if ordered before 2 PM MST.
$68.99
Reg
$71.86
List
$121.00
KIT
This kit contains a new water pump and thermostat assembly along with one gallon of Genuine coolant to update your Mercedes. Please verify that existing water pump has 3 hose connections prior to ordering....
2006 Mercedes CLS500
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Leaves closest warehouse today if ordered before 2 PM MST.
$134.27
Reg
$139.86
List
$408.62
Please verify existing part has only 2 hose connections prior to ordering. This unit does not have a hose nipple for engine oil cooler hose, cannot be used on models with oil cooler mounted at oil flter...
2006 Mercedes CLS500
Ships Today
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Leaves closest warehouse today if ordered before 2 PM MST.
$85.99
Reg
$89.57
List
$159.98
Please verify that existing unit has 3 hose connections prior to ordering. This unit is for use on vehicles equipped with engine oil cooler mounted next to the oil filter housing. 1 per car.
2006 Mercedes CLS500
Ships Today
Ships Today Information Icon
Leaves closest warehouse today if ordered before 2 PM MST.
$68.99
Reg
$71.86
List
$316.00
2006 Mercedes CLS500
Ships Today
Ships Today Information Icon
Leaves closest warehouse today if ordered before 2 PM MST.
$88.99
Reg
$92.70
List
$121.00

The average cost of a Mercedes CLS500 water pump is between $68.99 and $134.27.

What Are Common Signs That The Mercedes CLS500 Water Pump Is Failing?

When a Mercedes CLS500 water pump starts to go, small things usually show up first. A lot of people spot a dark green, orange, or pink puddle under their car—these are coolant leaks and are hard to miss on your driveway. If the engine temp climbs too high or the warning light says it’s overheating, the pump might not be working right. Listen for odd grinding or whining up front near the motor. Sometimes, a slow or noisy pump makes itself heard before it fully gives out. Once in a while, steam sneaks from under your hood, or there’s a sweet odor as coolant hits hot parts in the engine bay. Any of these signs calls for a quick look, since a tired water pump can cause bigger engine damage if left alone.

How Long Does The Mercedes CLS500 Water Pump Usually Last?

Ask most owners and they’ll say the original Mercedes CLS500 water pump holds up for about 60,000 to 90,000 miles, sometimes longer with regular service. Changing coolant when scheduled helps, but if you do lots of short trips or skip routine checks, the pump may wear out sooner. Always stick close to Mercedes’ guide for maintenance, since catching problems early can stretch the life of not just your water pump but other engine parts. If buying a new pump, sticking with Mercedes or a solid aftermarket brand is the best bet for a longer run. Mechanics often check for leaks and strange noises at regular service intervals to spot trouble before it bites.

What Is The Typical Cost To Replace A Mercedes CLS500 Water Pump?

Swapping a Mercedes CLS500 water pump isn’t cheap, but costs can swing from $600 up to $1,100 at most shops. This covers both the part and the work to fit it in, with genuine Mercedes parts coming in at the higher end. If the repair shop finds that the belt or thermostat looks worn, they might recommend new ones during the same visit, which can raise the price a bit more. Dealerships almost always charge more for labor than independent shops. Comparing quotes from different places can save money and make sure you get good work done. It’s worth paying for a job well done on a car like this.

Can I Replace The Mercedes CLS500 Water Pump Myself?

You can take on a Mercedes CLS500 water pump at home if you know your way around an engine and have a decent set of tools. The job means draining the coolant, taking off covers and bolts, and getting the new pump in exactly right. No room for mistakes—proper fit and torque keep leaks away. The tight layout under the hood can test your patience, and if you’re not confident, one skipped step can mean broken parts or other problems. Hobbyist mechanics sometimes succeed, but for most, having a pro handle it makes more sense. Either way, it’s a big job that deserves care.

What Else Should Be Checked Or Replaced With The Water Pump?

When the Mercedes CLS500 water pump comes out, it’s smart to check anything nearby. The serpentine belt, tensioners, hoses, and thermostat are all within reach and easy to swap while the pump is out. Putting in fresh coolant helps the new parts work better and keeps old fluid from causing trouble. If the engine ran hot because the pump failed, ask about checking for damage like a warped head or blown gasket. Your mechanic may spot something that needs fixing before it becomes a larger issue down the road. These steps help your car last and can keep future repairs to a minimum.

Why Choose Us For Your Mercedes CLS500 Water Pump?

When you come to us for your Mercedes CLS500 water pump, the difference stands out. No inflated dealership prices to worry about. You get quick shipping—no guessing when your part will show up or sitting around for weeks. If you picked the wrong part by mistake or just changed your mind, returns don’t cause stress. We care about keeping your car on the road, so we lower the hassle and always stand by to help you figure out what you need. Real people are here for you, and every order gets our full attention. We make sure you save money and get the right parts, delivered fast, every time. That’s what we do at AutohausAZ.