Mercedes Benz Transmission & Engine Mount

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Genuine Mercedes-Benz Engine & Transmission Mounts | Europarts360

A Mercedes-Benz is defined by its refinement, and that relies heavily on the isolation provided by the engine and transmission mounts. These components are the primary structural link between the powerplant and the chassis, absorbing engine vibration and preventing driveline lash during gear changes. Whether you drive an inline-four, a V6 or an AMG V8, these mounts use hydraulic or rubber-to-metal damping to keep the cabin quiet.

Over time, the weight of the drivetrain and constant thermal cycling causes the hydraulic fluid inside the mounts to leak or the rubber to collapse — producing vibration at idle, a clunk on gear engagement, and a shunt on throttle transitions. These symptoms are routinely misdiagnosed as gearbox faults, which leads to diagnostic work costing many times what the mount does. Always eliminate the mounts first.

What to Know Before Ordering

  • Mounts are engine-specific, not model-specific. Two cars in the same body with different engines take different mounts.
  • Hydraulic and solid types are not interchangeable even where they physically fit — substituting a solid mount transmits noticeably more vibration into the cabin.
  • Visible fluid means the mount is finished. It is working as a solid rubber block from that point on.
  • Replace as a set where load is shared. A new mount alongside worn ones takes disproportionate load and fails early.
  • Gulf heat accelerates it. Rubber and hydraulic mounts degrade faster here than the European design case assumed, so calendar age matters as much as mileage.

We supply genuine Mercedes-Benz mounts and premium OEM replacements from manufacturers including Lemförder, Corteco and Bilstein, engineered to the Shore hardness and damping frequencies of the original factory design.

Related Categories

Full Mercedes-Benz catalogue → · All transmission mounts → · All engine mounts → · Transmission parts → · Control arms → · Lemförder parts → · Send us your VIN →

Frequently Asked Questions

  • The most common indicator is a noticeable vibration felt through the steering wheel and seat while the car is idling in "Drive" at a stoplight. You may also hear a "clunk" or "thud" when starting the engine or under hard acceleration, and in some cases, you may see fluid leaking from the mounts, as most modern Mercedes mounts are liquid-filled (hydraulic).

  • The engine and transmission mounts work together as a three-point (or four-point) system to balance the drivetrain. If the engine mounts have collapsed, they place additional stress on the transmission mount. Replacing all mounts simultaneously ensures the entire drivetrain is correctly aligned and prevents the new mounts from wearing out prematurely.

  • Mercedes-Benz partners with premier German vibration-control specialists. When you purchase premium OEM mounts from Europarts360, you are getting components from Lemförder or Corteco—the exact same manufacturers that supply the "Genuine" parts to the Mercedes-Benz assembly line.

  • Yes, absolutely. A worn or collapsed transmission mount allows the gearbox to sit at an incorrect angle. This misalignment can cause "harsh shifting" or a jerking sensation, especially when the vehicle downshifts as you come to a stop. Replacing the mount often restores the smooth, seamless gear changes intended by the factory.

  • Most modern Mercedes-Benz models utilize "Hydro-mounts." These are filled with a specialized glycol fluid that allows the mount to be soft enough to absorb engine idle vibrations while remaining firm enough to manage engine movement during spirited driving. Once the internal seal fails and the fluid leaks out, the mount loses its damping ability.

  • Yes. Due to the placement of the front drive axles and the front differential, 4MATIC (All-Wheel Drive) models often utilize different mounting brackets and specific mount part numbers compared to Rear-Wheel Drive models. Always verify fitment using your Vehicle Identification Number (VIN).

  • Mercedes-Benz engines are balanced to specific frequencies. Cheap aftermarket mounts often use solid, low-grade rubber instead of hydraulic fluid. This results in "NVH" (Noise, Vibration, and Harshness) being transferred directly into the cabin, making your luxury car feel like a much older, unrefined vehicle.

  • On average, they last between 60,000 and 100,000 miles. However, vehicles driven in extreme heat or those with high-torque engines (like AMG models) may see the mounts collapse as early as 50,000 miles.

  • On many models, particularly the C and E-Class, the engine must be slightly lifted using a jack or engine hoist to clear the mounting bolts. Due to the tight clearances around the steering rack and exhaust, many owners prefer to have these installed by a professional Mercedes-Benz specialist.

    • Genuine Parts: These are the exact components installed at the factory, arriving in the original vehicle manufacturer’s branded packaging (e.g., Porsche or BMW).
    • OEM Parts: These are produced by the same manufacturers that supply the car brands (e.g., Bosch, Brembo, Lemförder) but are sold in the supplier’s own packaging, often at a more competitive price.
    • Aftermarket Parts: These are third-party components designed to meet or exceed original specifications.