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

On the GLC, 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 GLC Front Suspension Strut: OEM Part Number

Accuracy note: genuinely worth knowing: a wheel alignment check (and likely adjustment) is genuinely necessary after replacing most GLC front suspension components, not optional — this is a real added cost beyond the part itself that’s easy to overlook when budgeting for a suspension repair.

Standard steel-spring strut, right	Genuinely a different part number from the left-side strut — not a mirror-image of the same component
Standard steel-spring strut, left	A genuinely different reference from the right-side strut above
4MATIC (AWD) steel-spring strut	A genuinely different reference from the non-4MATIC strut above, reflecting the different front driveline layout
AIRMATIC air strut, left/right	Genuinely a completely different suspension medium from the standard steel-spring strut — an air spring combined with the shock absorber in one assembly, not a stiffer version of the same part; left and right are separate, non-interchangeable references
AIRMATIC with ADS (Adaptive Damping System)	A further distinct variant again from base AIRMATIC — adds electronically controlled damping on top of the air spring, and is genuinely a different part from non-ADS AIRMATIC struts

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

On the Mercedes-Benz GLC, nothing from the road surface reaches the cabin without first passing through these components, so their wear tends to blur into vague, hard-to-place symptoms instead of one obvious failure. Working through the possibilities systematically finds the real cause far quicker than guesswork.

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 GLC Front Suspension Strut: What It Does

The strut assembly at the front of the Mercedes-Benz GLC does double duty — housing both the damper and the spring's mounting point. When it wears out, bumps produce more bounce than they should, and uneven tyre wear tends to follow if it goes unaddressed.

Mercedes-Benz GLC Front Suspension reference plate

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Confirmed: A Genuine Technical Bulletin Worth Knowing About — Mercedes-Benz GLC 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 GLC 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.