Engines and Components› Engine Bearings

RacingPeaks

OE Main Bearings

$182.79

SKU: Not specified on site, but fits M278

In Stock
In Stock
Ships by Aug 29
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The RacingPeaks OE main bearings are standard size crankshaft bearings for Mercedes-Benz engines. These bearings are designed to fit the M278 engine family.
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The RacingPeaks OE main bearings are a standard size replacement for Mercedes-Benz crankshaft bearings. Designed for the M278 engine family, these bearings are compatible with a range of Mercedes models including the CLS, E-Class, ML, GLE, and GLS 500/550 with the 4.7L V8 engine, covering model years from 2010 to 2020. The product is listed as "Original Mercedes-Benz crankshaft bearings," indicating adherence to OEM specifications for fit and performance. These parts are crucial for the proper functioning and longevity of the engine's rotating assembly. Last items in stock. Please verify fitment with your specific vehicle's VIN.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandRacingPeaks
Part NumberNot specified on site, but fits M278
CategoryEngines and Components

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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