VIN required! Orders placed with out a VIN to verify fitment are non-returnable.

OEM Mercedes Serpentine Belts

6422300642 - : Accessory Drive Belt Idler Assembly for Mercedes-Benz Image

Accessory Drive Belt Idler Assembly

Mercedes-Benz 642-230-06-42
Single Alternator. 3.0L. This item is non-returnable.
$70.41
MSRP $101.00
Save $30.59
30.3% Off
1392060300 - : Accessory Drive Belt Idler Pulley for Mercedes-Benz Image

Accessory Drive Belt Idler Pulley

Mercedes-Benz 139-206-03-00
Sl43 amg. 2.0l. Sedan, c43, c63, c43. This item is non-returnable.
$62.01
MSRP $89.00
Save $26.99
30.3% Off
1042000570 - : Accessory Drive Belt Tensioner Assembly for Mercedes-Benz Image

Accessory Drive Belt Tensioner Assembly

Mercedes-Benz 104-200-05-70
300se & s320, 300se.
$267.95
MSRP $390.00
Save $122.05
31.3% Off
1042000870 - : Accessory Drive Belt Tensioner Assembly for Mercedes-Benz Image

Accessory Drive Belt Tensioner Assembly

Mercedes-Benz 104-200-08-70
Mechanical Tensioner. Does Not Include Pulley. 300, 320, 320. 2.8L, inline, from eng #034967. 300e, e320. E320, e430 & e55, 3.2L inline.
$129.95
MSRP $189.00
Save $59.05
31.2% Off
9933503 - : AC Belt for Mercedes-Benz Image

AC Belt

Mercedes-Benz 000-993-35-03
Dual Alternators. 21.36 x 690mm. Auxiliary A/C. 21.36 x 690mm. 21x690mm. Without high-output ac sys. Sprinter van. Without rear air.
$29.75
MSRP $42.00
Save $12.25
29.2% Off
91014300802164 - : Accessory Drive Belt Idler Pulley Bolt for Mercedes-Benz Image

Accessory Drive Belt Idler Pulley Bolt

Mercedes-Benz 910143-008021-64
2.1l.
$3.92
MSRP $5.50
Save $1.58
28.7% Off
1192020222 - : Accessory Drive Belt Idler Pulley Cap for Mercedes-Benz Image

Accessory Drive Belt Idler Pulley Cap

Mercedes-Benz 119-202-02-22
500. 2.3L. E420.
$1.84
MSRP $2.60
Save $0.76
29.2% Off
19885735 - : Accessory Drive Belt Idler Pulley Cap for Mercedes-Benz Image

Accessory Drive Belt Idler Pulley Cap

Mercedes-Benz 001-988-57-35
$4.24
MSRP $6.00
Save $1.76
29.3% Off
6012020522 - : Accessory Drive Belt Idler Pulley Cap for Mercedes-Benz Image

Accessory Drive Belt Idler Pulley Cap

Mercedes-Benz 601-202-05-22
Cover. 300, 320. 600. Cap. 500. 2.8L, inline. E300. 2.3L. E320, e430 & e55, 3.2L inline. E420.
$1.72
MSRP $2.40
Save $0.68
28.3% Off
910105010027 - : Accessory Drive Belt Idler Pulley Bolt for Mercedes-Benz Image

Accessory Drive Belt Idler Pulley Bolt

Mercedes-Benz 910105-010027
$8.23
MSRP $11.50
Save $3.27
28.4% Off
1141 - : Accessory Drive Belt Idler Pulley Bolt for Mercedes-Benz Image

Accessory Drive Belt Idler Pulley Bolt

Mercedes-Benz 000000-001141
Belt tensioner,bolt. 3.2L, without supercharger. 5.5L. 5.0L. V6-3.0l.
$2.54
MSRP $3.50
Save $0.96
27.4% Off
19885735 - : Accessory Drive Belt Idler Pulley Cap for MB Vans Image

Accessory Drive Belt Idler Pulley Cap

MB Vans 0019885735
$5.18
MSRP $5.75
Save $0.57
9.9% 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.