Mercedes M-Class Parts | Genuine OEM — W163, W164, W166

OEM Mercedes-Benz M-Class Parts

The M-Class was Mercedes' first luxury SUV and ran across three generations before being renamed GLE in 2015. Our catalogue covers the W163 (1997–2005), W164 (2005–2011) and W166 (2011–2015), including ML 63 AMG variants.

Every part is matched to chassis code, engine code and production date. One point matters here more than on most models: the W166 designation covers both the late M-Class and the early GLE, since the 2015 rename was a facelift rather than a new platform. Much carries across between them. Send us your VIN and we will confirm before you order.

Browse the full Mercedes-Benz parts catalogue → or see GLE parts →

Mercedes-Benz M-Class Maintenance Parts

M-Class service parts follow the engine family, and the OM642 diesel in particular has its own filter and cooling set. Gulf-market cars deserve shorter intervals than the book figure on air and cabin filtration.

Filters and service consumables. Filters follow the engine family rather than the model year — OM642, M272, M273, M276 and M278 all take different elements. Diesel cars add fuel filter and DPF considerations, and short urban journeys in the Gulf are the duty cycle most likely to cause regeneration problems. Order the complete service kit: the oil filter housing O-ring and sump plug crush washer are single-use. Air filters → · Oil filters → · Service kits →

Brakes. Vehicle mass makes brakes a consumable. Standard and ML 63 AMG cars take different disc diameters and pad compounds. The wear sensor is a separate part number front and rear and is single-use — replace it with the pads. Mercedes brake pads & rotors → · Brake rotors →

Cooling. The OM642 diesel's oil cooler seal failure is the best-known issue on this platform, presenting as oil in the coolant valley and requiring intake removal to reach — which is why doing the surrounding seals and hoses at the same time makes sense. M276 and M278 petrol engines seep from the thermostat housing in the vee long before any temperature warning. A heavy SUV in Gulf traffic works its cooling pack hard, and radiator stacks block with dust between the fins. Coolant parts → · Radiators →

About Mercedes-Benz M-Class Parts

Parts for the M-Class divide by generation before anything else. Identifying the chassis code — W163, W164 and W166 — is the first step in ordering correctly, and facelift revisions within a generation matter as much as the generation change itself.

W163 (1997–2005) — The original, built in Alabama and now a genuinely old vehicle with a committed independent following. Parts supply for this generation depends heavily on the aftermarket and independent channels. Suspension bushings, cooling components and electrical connectors are the recurring items, and corrosion is a real consideration on cars from wetter climates.

W164 (2005–2011) — A substantial step up in sophistication, with AIRMATIC offered and the OM642 diesel and M272 and M273 petrol engines. This generation has the largest active parc in service today. OM642 oil cooler seals, the M272 balance shaft issue on early engines, air suspension struts and front control arm bushings dominate the workload.

W166 (2011–2015) — The final M-Class, renamed GLE for 2015 after a facelift. M276 and M278 petrol engines, OM642 diesel, ML 63 AMG. Shares extensively with the early GLE — identify by production date rather than name.

Air suspension. On AIRMATIC-equipped W164 and W166 cars this is the dominant ownership cost. Struts, compressor, valve block and height sensors are one connected system: a strut develops a leak, the compressor runs continuously to compensate, and the compressor burns out second. If the vehicle settles overnight or the compressor runs longer than it used to, act immediately. Replace struts in axle pairs. Note that AIRMATIC was optional — not every M-Class has it. Air suspension compressors → · Shocks & springs →

Suspension and steering. Control arm bushings carry a heavy vehicle and wear on a schedule set by mass rather than mileage — a knock over expansion joints, then vague on-centre steering, then inner-edge tyre wear misdiagnosed as alignment. Mercedes supplies most arms complete with bushing and ball joint pressed in. A four-wheel alignment is required afterwards. Control arms → · Wheel hubs & bearings →

Transmission and driveline. The 7G-Tronic (722.9) is the dominant gearbox across this platform, and its conductor plate and 13-pin connector are a known failure point producing limp mode and selector faults routinely misread as mechanical failure. Fluid degrades ahead of its long-life billing in a heavy vehicle in Gulf heat. The 4MATIC transfer case carries its own fluid and its own service requirement, and is regularly overlooked. Transmission parts → · Transmission & engine mounts →

Electrical and sensors. On older platforms, check battery and charging health before condemning any module — low voltage produces a multi-module fault cascade that clears once restored. Beyond that, most module failures are sensor, earth or connector faults, and connector corrosion is a genuine consideration on the older generations. Electrical parts → · Oxygen sensors →

Genuine Mercedes-Benz M-Class Accessories

We supply genuine and OEM trim, body and lighting components for the M-Class. Lighting and bumper parts differ across generations and facelifts, and some W163 items are now superseded — send your VIN with any body or trim enquiry and we will tell you honestly what is obtainable. Browse body parts → or contact our team.

Order Genuine Mercedes-Benz M-Class Parts Online

Order genuine and OEM M-Class parts online for delivery across the USA, Europe, the UK and the GCC. In-stock lines dispatch from our UAE and USA warehouses with full tracking, and trade accounts are available to independent Mercedes-Benz workshops. Send the VIN with your enquiry and we will confirm the part number against your car's build record before anything ships — the fastest way to avoid a return on the W166 overlap with the GLE, where the same car carries two model names. Contact our team or browse the full Mercedes-Benz parts catalogue →

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Why Buy Mercedes-Benz M-Class Parts at EuroParts360?

• Genuine and OEM sourced — components matched to factory specification
• Generation aware — W163, W164 and W166 identified separately, including the GLE crossover
• Legacy support — older platforms still supplied, with honest availability assessment
• Fast global dispatch — from our US, UK, UAE and Hong Kong warehouses
• Wholesale pricing available — trade accounts for independent Mercedes workshops
• Warranty-backed — covered under our standard warranty policy

FAQ

Is the M-Class the same as the GLE? The W166 M-Class became the GLE in 2015 via a facelift rather than a new platform, so late M-Class and early GLE share extensively. Identify by production date.

I have oil in the coolant on my diesel. On the OM642, typically the oil cooler seals rather than a head gasket. It requires intake removal to reach, so do the surrounding seals and hoses at the same time.

Does my M-Class have AIRMATIC? It was optional rather than standard. Send us the VIN before ordering anything suspension-related.

Can you still supply W163 parts? Many, though some are superseded. Send the OEM part number or VIN and we will give you an honest assessment and a realistic estimate.

How quickly will my order ship? In-stock orders dispatch from our UAE or USA warehouse with full tracking.