Mercedes-Benz GLA Rear Springs: Specs, Fitment & Common Faults

No AIRMATIC option on this model — every version uses a conventional steel rear coil spring, but that doesn't mean every spring is the same.

Illustration for editorial purposes

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A Straightforward Steel Spring — With Genuine Trim and Drivetrain Variants

Unlike the RWD-based C/E-Class/GLC range, the GLA doesn't offer AIRMATIC air suspension — every version uses a conventional steel rear coil spring. Spring rate still genuinely differs by trim and drivetrain, though: 4MATIC (all-wheel-drive) versions use a different spring from front-wheel-drive variants, and AMG Line/AMG-badged cars use a stiffer spring again.

Mercedes-Benz GLA Rear Springs: A Part That Fails Quietly, Then Suddenly

It's a slow decline followed by a sudden failure with the Mercedes-Benz GLA's rear springs — a gradually lower ride height for months, then an abrupt break at the coil's end announced by a clunk. One rear corner sitting visibly lower than the other is the sign to watch for.

Before you buy: drivetrain and trim both affect spring rate and fitment. Always confirm against your VIN before ordering.

Mercedes-Benz GLA Rear Springs: Watch: Replacing It

🎬 Watch: 2017 Mercedes GLA 250 4Matic Rear Spring Change!

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Mercedes-Benz GLA Rear Springs reference plate

OEM Part Number: confirm via VIN — rear coil springs (aftermarket) Sachs 993618 / Suplex 19427

Accuracy note: Covers the Mercedes-Benz GLA (X156 2014-2020) as listed in the UK aftermarket catalogues. Rear coil springs are sold as a pair for the axle and should be replaced as a pair, because a new spring beside a tired one leaves the car sitting unevenly. The right spring depends on the engine and gearbox, the suspension type (standard, sport or heavy-duty) and, on some cars, the body style. The references below are UK aftermarket catalogue listings for this generation, labelled by brand with the fitment details the catalogue gives; carmakers rarely publish the genuine number against these, so match a genuine spring against your VIN if you want a guaranteed fit. genuinely worth knowing: rear springs are sold in left/right pairs matched to a specific rate marking — confirm the marking on your existing spring rather than assuming from trim alone.

Rear coil springs (aftermarket)	Sachs 993618 (standard, 273 mm); Sachs 994736 (sport, 253 mm); Suplex 19427 (sport, 253 mm); Suplex 19417 (standard, 278 mm)
Genuine (OE) numbers quoted	None quoted in the catalogue listings — the genuine spring varies by engine, suspension type and body style, so order it against your VIN
Front-wheel drive, standard rate	Genuinely a different spring from the 4MATIC and AMG versions below — confirm drivetrain and trim before ordering
4MATIC (all-wheel drive)	A genuinely different spring from the front-wheel-drive version, reflecting the different rear axle layout
AMG Line/AMG, where fitted	A genuinely different, stiffer spring from standard trims

It's worth doing the Mercedes-Benz GLA's rear springs as a pair rather than one at a time — mixing a new spring with an old, sagged one on the opposite side throws off ride height evenly and skews handling.

Mercedes-Benz GLA Rear Springs: What It Does

On the Mercedes-Benz GLA, weight support at the rear and absorbing a bump's first impact both fall to the coil spring, working in tandem with the shock absorber rather than substituting for it. A broken or sagged spring drops ride height, can affect headlight alignment, and in bad cases is enough to fail an MOT.

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Mercedes-Benz GLA Rear Springs: Warning Signs, DIY Difficulty & Aftermarket Advice

These are the same regardless of make or model — see our full Rear Springs Guide for symptoms of a failing spring, confirming fitment against your VIN, and OEM vs aftermarket guidance.

More Mercedes-Benz Rear Springs

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