Cheap Mercedes-Benz SL Fuel Tank

The Mercedes-Benz SL of this period sits within the R230 generation, which ran from 2001 to 2011 with a facelift in 2006, so a 2005 car is pre-facelift and a 2008 is post-facelift — both share the same basic platform but Mercedes did make running changes across that 2006 facelift boundary that can affect ancillary fittings and mounting points on the tank. You should confirm with the breaker whether the specific tank they have matches your registration before buying, as crossing that facelift year is the key risk here. Supplying your engine code (found on your V5 or a VIN check) will give the breaker the best chance of confirming compatibility quickly.

Yes, fuel type is one of the most important fitment factors for a fuel tank, as petrol and diesel systems have different filler necks, sender unit configurations, and sometimes different tank shapes or capacities entirely. The SL range was petrol-only across the R230 and R231 generations, so this is less of a cross-fuel-type risk than on some other Mercedes models, but you should still confirm your exact engine code with the breaker to ensure the sender unit and fittings on the used tank match your car's setup. Never assume a tank is a direct swap without checking the engine code first.

Trim level as a cosmetic category does not affect fuel tank fitment, but on the SL the trim designations like SL350 and SL500 reflect different engine families — a 3.5-litre V6 versus a 5.0-litre V8 — and that engine difference is exactly what can determine tank configuration, sender unit type, and associated fittings. So while the badge and interior trim are irrelevant, the engine code behind that badge is the single most important detail to match. Tell the breaker your engine code rather than just your trim name, and confirm against your registration to be safe.

A 2013 Mercedes-Benz SL is part of the R231 generation, which launched in 2012 and ran through to 2020, replacing the long-running R230. Within the R231 generation there were facelift updates, and whether a tank from another R231 year fits your 2013 car depends on whether any mounting or ancillary changes were made at those mid-production points — confirm this with the breaker against your registration. Your engine code is the most reliable starting point for any breaker to cross-reference the correct tank.

Gearbox type can influence fuel tank fitment on some models due to differences in tunnel shape and floor pan layout, so it is worth mentioning your gearbox type to the breaker alongside your engine code. The SL was predominantly offered with automatic transmission across both the R230 and R231 generations in the UK market, but supply your full details including gearbox type when getting a quote to let the breaker confirm there are no clearance or mounting differences on the specific tank they have. Always confirm fitment against your registration rather than assuming all tanks within a generation are interchangeable.

Dropping and replacing a fuel tank is a substantial job involving disconnecting fuel lines, the sender unit wiring, and safely supporting the tank — it is not a quick DIY task and working with petrol carries a serious fire risk, so most buyers have this fitted by a garage or a specialist. There is also the question of whether the sender unit from your old tank needs to transfer across, as a used tank may come with or without its sender, and you should clarify this with the breaker when you get your quote. ECU or immobiliser pairing is not typically a concern with a fuel tank itself, but confirm any electrical components with the breaker if the tank comes with sender unit or pump attached.