Compare prices on a used Mercedes-Benz ML ignition barrel from UK breakers. Free part request, no obligation.
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Used ignition barrels vary between vehicles - and whether you call it used, second hand or a replacement, matching the right one matters. These are the details breakers need to match the right part to your car - our request form asks them so you only hear from suppliers with the correct part:
Yes, the Mercedes-Benz ML does have a physical ignition barrel — it is the cylindrical lock housing into which you insert and turn the key to start the vehicle. Across all three ML generations (W163 1998–2005, W164 2005–2011, W166 2012–2019), the standard setup uses a keyed ignition barrel mounted in the steering column. Some later W166 models with the optional keyless 'Keyless Go' system use a push-button start instead of a traditional barrel, so confirm with the breaker whether your specific vehicle has a keyed or keyless setup before ordering.
The W163 (1998–2005) and W164 (2005–2011) are entirely different generations with different steering column assemblies, so their ignition barrels are not a straightforward swap. The two parts are unlikely to interchange, and you should treat these generations as separate when sourcing a used barrel. Always confirm the exact part against your registration with the breaker before purchasing.
In most cases the engine type — petrol or diesel — does not affect which ignition barrel you need, as it is a steering column component rather than an engine-specific part. What matters is the generation of your ML (W163, W164, or W166) and whether your car uses a keyed ignition or the Keyless Go push-button system. Confirm the barrel matches your generation and ignition type with the breaker using your registration.
Trim level — whether Sport, SE, AMG Line, or any other — does not affect which ignition barrel you need, as it is a functional steering column component unchanged by specification level. The generation (W163, W164, or W166) and whether your car has a conventional key or Keyless Go are the factors that matter. The only trim-related caveat is that higher-spec vehicles are more likely to have had the Keyless Go option fitted, so it is worth checking your own car before ordering.
This is an important boundary to check: the W164 generation ran to 2011 and the W165 replacement, the W166, launched from 2012, making a 2011 and a 2012/2013 ML different generations with different steering column designs. A barrel from a W166 is therefore very unlikely to fit a 2011 W164 without modification. Confirm the exact generation of both donor and recipient vehicles with the breaker against your registration before buying.
The most important things to confirm are the generation of the donor vehicle (W163, W164, or W166), that both the donor and your car use a conventional keyed ignition rather than Keyless Go, and whether the barrel comes with or without the matching key and transponder. On Mercedes vehicles the ignition barrel is linked to the immobiliser system, so a barrel from a different car may require specialist programming to work with your vehicle — ask the breaker and factor in potential locksmith or dealer coding costs.