Place of Origin:
China
Brand Name:
SuspAir
Certification:
ISO9001/CE
Model Number:
Mercedes-Benz GL-Class (X166, 2012–2015) / GLS-Class (X166, 2015–2019) — catalog fitment also GLE (2015–2019), M-Class (2011–2015)
Front Lower Lateral Control Arm Left Right for Mercedes GL GLS X166 2012-2019 A1663300107 A1663300207
Front lower lateral control arm (track control arm) for the Mercedes-Benz GL / GLS-Class (X166, 2012–2019) — Left A1663300107 / Right A1663300207 (Mercedes formats 166 330 01 07 / 166 330 02 07). European catalog data confirms the position: Front Axle, Lower, Left / Right, aluminium construction, without ball joint. Catalog fitment covers GL-Class (2012–2015) and GLS-Class (2015–2019), and additionally GLE (2015–2019) and M-Class (2011–2015). Same-family number per catalog: 292 330 07 00 (left). Every unit is quality-checked before shipment and with an 18-month warranty.
| Item | Content |
| Product Name | Front Lower Lateral Control Arm (Track Control Arm) - Front Axle, Lower |
| Genuine OE No. (Left) | A1663300107 (166 330 01 07 / 1663300107) |
| Genuine OE No. (Right) | A1663300207 (166 330 02 07 / 1663300207) |
| Same-Family OE (Left | catalog) |
| OE Note | Left/right mirror pair - side-specific, not interchangeable; catalog-verified formats and left family; right-side family confirm by VIN |
| Aftermarket Cross No. | Interchange list available on request - order by OE number |
| Applicable Brand | Mercedes-Benz |
| Vehicle Line | GL-Class (X166, 2012-2015) / GLS-Class (X166, 2015-2019) - catalog fitment also GLE (2015-2019), M-Class (2011-2015) |
| Model Years | 2012-2019 (supplier table: GL/GLS X166); catalog: GL 2012-2015 + GLS 2015-2019 - confirm by VIN |
| Chassis Code | X166 (per supplier table); catalog fitment also W166-platform models (GLE / M-Class) |
| Common Models | GL350 / GL450 / GL550 / GLS550 etc. (X166) |
| Installation Position | Front axle - Lower - Left (A1663300107) / Right (A1663300207) |
| Arm Type | Control Arm (track control arm) - per catalog |
| Material | Aluminium (catalog-verified) |
| Ball Joint | Without ball joint (catalog: supplementary info) |
| Dimensions | 582 x 576 x 105 mm (catalog) |
| Reference Weight | Approx. 6.9 kg per side (catalog: left 6.87 kg) |
| Paired Article | Left & Right sold as mirror pair - side-specific, not interchangeable |
| Recommended Accessory | Mounting bush / repair kit (catalog lists matching bushes and wheel-suspension repair kit) |
| Electric / Damping | None - plain mechanical suspension linkage (no electrical damping) |
| Packing | Individual protective packaging; left/right pair set available |
| Warranty | 18 months |
| Shipping | Sea / air / courier; export-standard packaging |
| Selling Point | Detail |
| Mercedes GL/GLS X166 Fit | Front lower lateral control arms for Mercedes-Benz GL/GLS-Class X166 (2012-2019) |
| Wide Platform Coverage | Catalog fitment also covers GLE (2015-2019) and M-Class (2011-2015) |
| Left/Right Mirror Pair | Left A1663300107 + Right A1663300207 - correct side-specific pair, not interchangeable |
| Aluminium Construction | Lightweight aluminium arm (catalog-verified), without ball joint |
| Front Lower Position | Correct position: Front Axle, Lower - restores factory suspension geometry |
| Accessory Support | Matching mounting bush and wheel-suspension repair kit available |
| Precise Geometry | Restores wheel alignment values, eliminates wandering and tire wear |
| 18-Month Warranty | Extended 18-month warranty + pre-sale VIN check + after-sales technical support |
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Q1: Which vehicles does this fit? Mercedes-Benz GL-Class (X166, 2012–2015) / GLS-Class (X166, 2015–2019) per the supplier table. European catalog data also lists GLE (2015–2019) and M-Class (2011–2015). Confirm the exact model and year by VIN.
Q2: Is the left/right side interchangeable? No — this is a mirror pair: Left A1663300107 and Right A1663300207 are side-specific and NOT interchangeable. Order by side.
Q3: What is this arm exactly? The front lower lateral control arm / track control arm — position: Front Axle, Lower (catalog: "Front Axle Left, Lower"). Aluminium construction, without ball joint (catalog-verified), approx. 6.9 kg. No electrical damping — a plain mechanical suspension linkage.
Q4: What is 292 330 07 00? It is a same-arm family number of the left arm (catalog OE list). Order by the exact OE number; confirm by VIN.
Q5: Is this the lower arm (not the upper)? Yes — this is the lower control arm of the X166 front axle (aluminium, without ball joint — the upper-arm family uses different OE numbers). Verify the position against the original unit by VIN.
Q6: Do I need to replace both sides at the same time? Same-axle pair replacement is strongly recommended; an old arm on the other side causes uneven geometry and tire wear.
Q7: What should I pay attention to during installation? Tighten all bolts to the workshop-manual torque specifications with the suspension under load; after installation perform a wheel alignment (camber/caster/toe) and check the ride height per workshop manual.
Q8: Warranty policy and shipping damage? 18-month warranty under normal use. For shipping damage, inspect within 48 hours of receipt and send photos/video — the seller arranges a replacement.
Q9: Service life and maintenance? Depends on road conditions and climate. Check the bush for cracks during routine service; replace the arm if bush wear, play or crash damage is found.
Q10: Are aftermarket alternatives available? The interchange list for these OE numbers is available on request. Order by the exact OE number and confirm the model/year and side by VIN.
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