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OEM Mercedes Serpentine Belts

6119880235 - : Accessory Drive Belt Idler Pulley Cap for Mercedes-Benz Image

Accessory Drive Belt Idler Pulley Cap

Mercedes-Benz 611-988-02-35
2021-22. 2.1l.
$5.76
MSRP $8.00
Save $2.24
28% Off
2762340639 - : A/C Drive Belt Idler Pulley Bracket for Mercedes-Benz Image

A/C Drive Belt Idler Pulley Bracket

Mercedes-Benz 276-234-06-39
Guide bracket. Ml350. Lower. Coupe/convertible, 3.5L. Sedan/wagon, 3.5L, e350. Smooth. Coupe/convertible, v6-3.0l. Sedan, wagon,...
$24.20
MSRP $33.50
Save $9.30
27.8% Off
2762341439 - : A/C Drive Belt Idler Pulley Bracket for Mercedes-Benz Image

A/C Drive Belt Idler Pulley Bracket

Mercedes-Benz 276-234-14-39
3.0L bi turbo. with hybrid.
Backordered
2782361440 - : A/C Drive Belt Idler Pulley Bracket for Mercedes-Benz Image

A/C Drive Belt Idler Pulley Bracket

Mercedes-Benz 278-236-14-40
4.7L. Idler pulley,support. 5.5L biturbo. Sedan, 5.5L. Coupe/convertible, 4.6L. 2012-13. 4.6L biturbo. Coupe, convertible, 5.5L.
Backordered
2782340039 - : A/C Drive Belt Idler Pulley Bracket for Mercedes-Benz Image

A/C Drive Belt Idler Pulley Bracket

Mercedes-Benz 278-234-00-39
4.7L. Idler pulley,bracket. 5.5L biturbo. Sedan, 5.5L. 2012-13. 4.6L biturbo. Coupe/convertible, 4.6L. Coupe, convertible, 5.5L.
$41.06
MSRP $58.00
Save $16.94
29.2% Off
6422000300 - : A/C Drive Belt Idler Pulley Bracket for Mercedes-Benz Image

A/C Drive Belt Idler Pulley Bracket

Mercedes-Benz 642-200-03-00
3.0L.
$90.53
MSRP $129.00
Save $38.47
29.8% Off
6512012009 - : A/C Drive Belt Idler Pulley Bracket for Mercedes-Benz Image

A/C Drive Belt Idler Pulley Bracket

Mercedes-Benz 651-201-20-09
Mount bracket. 2.1L diesel.
Backordered
6542000070 - : Belt Tensioner for Mercedes-Benz Image

Belt Tensioner

Mercedes-Benz 654-200-00-70
2023-26. Sprinter van. 2.0l diesel.
$87.75
MSRP $125.00
Save $37.25
29.8% Off
6542000070 - : Belt Tensioner for MB Vans Image

Belt Tensioner

MB Vans 6542000070
2023-24. Sprinter van. 2.0l diesel.
$108.00
MSRP $120.00
Save $12.00
10% Off
6512001870 - : Belt Tensioner for Mercedes-Benz Image

Belt Tensioner

Mercedes-Benz 651-200-18-70
Sprinter van. 2.1l. 2021-22.
$106.67
MSRP $152.00
Save $45.33
29.8% Off
6422001370 - : Belt Tensioner for Mercedes-Benz Image

Belt Tensioner

Mercedes-Benz 642-200-13-70
$158.50
MSRP $230.00
Save $71.50
31.1% Off

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Why a Strong Serpentine Belt Matters on Your Mercedes-Benz

Even the smallest part can influence how your car runs daily. That includes the serpentine belt, which keeps key systems moving efficiently. Whether you drive a Mercedes-Benz C300 or a Mercedes-Benz GLS450, having a quality belt installed makes a noticeable difference. At Mercedes-Benz Premier Parts, we offer genuine replacements engineered specifically for your model’s engine layout and tension system.

What the Serpentine Belt Actually Does

The serpentine belt drives several major components at once, including the alternator, air conditioning compressor, and water pump. As the engine runs, the belt powers all these systems through continuous rotation. A weak or slipping belt can reduce power delivery and make accessories work harder. Our genuine Mercedes-Benz belts maintain consistent grip and proper alignment, which helps your vehicle stay responsive under load.

Other Systems It Connects To

In most modern engines, a worn serpentine belt can also affect the function of the power steering pump. That leads to stiffer steering and more strain on the drive system. Replacing the belt and checking the condition of surrounding pulleys or tensioners keeps the full accessory system running smoothly. Aftermarket belts don’t always match the precise fit required by Mercedes-Benz specifications.

Know When To Swap It Out

If you hear squeaking, see frayed edges, or feel reduced performance in accessories, it may be time to change your serpentine belt. Most need to be replaced between 60,000 and 100,000 miles. Choosing genuine replacements from us ensures a perfect fit that holds up longer and works better with your factory equipment.

Skip the guesswork and choose a belt designed specifically for your Mercedes-Benz. We stock genuine parts that work right the first time and smooth your drive.