Mercedes-Benz GLA Front Suspension Strut: Specs, Fitment & Common Faults

On the GLA, a confirmed genuine technical bulletin addresses a dull thumping noise from the front axle on bumps on related models, relating to the strut top mount bearings.

Illustration of a suspension strut and coil spring

Illustration for editorial purposes

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Mercedes-Benz GLA Front Suspension Strut: OEM Part Number

Accuracy note: genuinely worth knowing: front lower control arm bushes on the GLA are a common wear item, and some genuine replacement arms come with the bush pre-fitted while others require the bush pressed in separately — check which type a listing is for, since the tools and labour required differ significantly between the two.

Standard strut, right	Genuinely a different part number from the left-side strut — not a mirror-image of the same component
Standard strut, left	A genuinely different reference from the right-side strut above
AMG Line/AMG strut	A genuinely different, stiffer strut from standard trims — not interchangeable even though the mounting points look similar
4MATIC (AWD) strut, where fitted	A genuinely different reference from the front-wheel-drive strut, reflecting the different front driveline layout

Mercedes-Benz GLA Front Suspension Strut: The System That Quietly Does All the Work

On the Mercedes-Benz GLA, these components absorb every pothole, bump and cornering force before any of it reaches the cabin, which is why deterioration here rarely announces itself with one obvious symptom. Working through it methodically finds the actual cause faster than guessing ever will.

Before you buy: suspension components vary by trim, engine weight and whether your car has the standard or sport-tuned setup. Always confirm against your VIN before ordering.

Mercedes-Benz GLA Front Suspension Strut: What It Does

The Mercedes-Benz GLA's front strut does two jobs in one unit — damping the suspension's movement and providing the coil spring's mounting point. Wear here shows up as excessive bounce after bumps rather than a quick settle, and left long enough, uneven tyre wear tends to follow.

Mercedes-Benz GLA Front Suspension reference plate

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Confirmed: A Genuine Technical Bulletin Worth Knowing About — Mercedes-Benz GLA Front Suspension

If a dull thumping noise has developed from the front of the car on bumps, this is genuinely worth knowing: a confirmed technical service bulletin addresses exactly this symptom on related models, relating to the shock absorber and strut top mount bearings, which can corrode over time and stop turning freely.

A genuinely useful finding worth checking if a knock survives other repairs: torque arms are a known weak spot on related models, worth checking these specifically if a persistent front knock has already survived replacing anti-roll bar links and control arms.

It's also genuinely worth knowing a useful diagnostic technique: with the road wheel removed, checking whether the gaiter and bump stop are loose at the top of the shock absorber's piston is a simple test worth trying.

Mercedes-Benz GLA Front Suspension Strut: Warning Signs, DIY Difficulty & Aftermarket Advice

These are the same regardless of make or model — see our full Front Suspension Strut Guide for symptoms of worn bushings and ball joints, confirming fitment against your VIN, and rubber vs polyurethane guidance.

More Mercedes-Benz Front Suspension Strut

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