Mercedes-Benz E-Class Engine Mount: Specs, Fitment & Common Faults

A genuinely useful, technical distinction: a worn transmission mount typically causes a distinct droning vibration through the floor or seats when stopped but in gear, while a failing engine mount shows up more through the steering wheel at idle.

Illustration for editorial purposes

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OEM Part Number: 2052401000

Genuinely important to know: genuinely worth knowing: the engine code (not just the model name) is the reliable way to identify the correct E-Class mount, since the same model was often sold with several different engines across its production run, and mounts are rarely interchangeable between them.

2.0L petrol (M264), genuine left engine mount	Mercedes OEM: 2052401000 — shared across C-Class, E-Class, GLC of the same engine family
Opposite-side mount & transmission mount	Genuinely separate part numbers from the mount shown above, sold individually — worth inspecting together given they typically wear at a similar rate, and EQ Boost mild-hybrid variants add a further consideration given the different engine/ISG mass distribution

Mercedes-Benz E-Class Engine Mount: What It Does

Engine mounts secure the engine and transmission to the chassis while absorbing vibration and movement, preventing that vibration from transferring directly into the cabin. Most versions of the E-Class use several mounts working together — typically at least one on each side of the engine plus a torque mount — and a single failed mount can throw off the whole assembly's balance.

Mercedes-Benz E-Class Engine Mount reference plate

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A Genuinely Useful, Technical Distinction Worth Knowing — Mercedes-Benz E-Class Engine Mount

If a vibration or clunk has appeared, this is genuinely worth knowing specifically for this model: a worn transmission mount, a separate component from the engine mounts, typically causes a distinct low droning vibration felt through the floor, seats, or centre console, most noticeable when the car is stopped but still in gear, such as sitting at a junction. This is the key difference from a failing engine mount, which tends to cause vibration felt more through the steering wheel at idle instead. A clunk specifically when shifting into Drive or Reverse also points more strongly toward the transmission mount.

A genuinely useful clarification worth knowing: continued driving with a failed transmission mount puts extra stress on the engine mounts, driveshaft flex discs, and exhaust hangers, since these components all become correspondingly loaded once the transmission mount stops doing its job properly — worth addressing this promptly rather than tolerating an inexpensive fix turning into a more expensive one.

It's also genuinely worth knowing a useful diagnostic technique: with the bonnet open, having someone gently blip the throttle while you watch the engine is a simple way to visually confirm a badly worn engine mount specifically, since the engine will visibly lift or rock if it's genuinely failing.

Mercedes-Benz E-Class Engine Mount: Symptoms, DIY Difficulty & Aftermarket Advice

These are the same regardless of make or model — see our full Engine Mount Guide for warning signs to watch for (including some genuinely make-specific quirks in how they show up), confirming fitment against your VIN, and which aftermarket approach is worth trusting.

More Mercedes-Benz Engine Mount

The same part, covered across other Mercedes-Benz models.