Mercedes-Benz A-Class Engine Mount: Specs, Fitment & Common Faults
A genuinely alarming, honest account: a persistent noise survived multiple dealer visits and several part replacements before an independent specialist traced it to the top strut mounts, already on their fourth superseding part number.
Illustration for editorial purposes
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OEM Part Number: confirm via VIN — engine mount (aftermarket) Febi 107260 / Meyle 0140240138
| Engine Mount — Rear upper (aftermarket) | Febi 107260, Swag 10107260 |
|---|---|
| Engine Mount — Rear lower (aftermarket) | Febi 100054, Swag 10100054 |
| Engine Mount — Right rear upper (aftermarket) | Tedgum TED62243, Meyle 0140240138 |
| Genuine (OE) number | Not quoted in the catalogue listings — mounts differ by engine and gearbox, so order the genuine ones against your VIN |
| Fitment notes | The listing above shows examples for the engines checked; petrol, diesel, manual and automatic versions often use different mounts, and cars usually have more than one mount. |
Mercedes-Benz A-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 A-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 A-Class Engine Mount: Watch: Replacing It
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A Genuinely Alarming, Honest Real Account Worth Knowing — Mercedes-Benz A-Class Engine Mount
If a persistent knocking or vibration has survived multiple dealer visits, this is genuinely worth knowing: one documented case saw exactly this, with shock absorbers, top mounts, and the rear engine mount all replaced across several visits without resolving the noise, the dealer ultimately admitting they were unable to identify the cause. An independent specialist was eventually able to trace the fault to the top strut mounts specifically, which were already on their fourth superseding part number at the time, suggesting the manufacturer has been aware of an ongoing design issue with this component for some time. Worth trying a genuinely experienced independent specialist if a main dealer has repeatedly been unable to resolve a persistent noise, rather than continuing to accept repeated part replacements that aren't working.
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 genuine, simple way to visually confirm a badly worn mount, since the engine will visibly lift or rock on its mounting if the mount is genuinely failing.
Mercedes-Benz A-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.