Mercedes-Benz M Maintenance Plans

The Mercedes-Benz M range spans several generations from 1998 to 2015, with maintenance needs that vary by model year and engine. Use the selectors on this page to choose your exact M version (and fuel/engine) to see the most relevant service intervals and checks.

Select your Mercedes-Benz model below to view the online service schedule for your specific engine.

3 models covered

Model	Year Range	Engines covered	Fuel
M 1998-2005	1998-2005	230 Petrol (111.977), 270 CDI Diesel (612.963), 320, -LPG LPG,Petrol (112.942), 350, -LPG LPG,Petrol (112.970), 400 CDI Diesel (628.963), 430, -LPG LPG,Petrol (113.942), 500, -4MATIC, -LPG LPG,Petrol (113.965), 55 AMG, -LPG LPG,Petrol (113.981)	Diesel, LPG, Petrol
M 2005-2011	2005-2011	280 CDI 4MATIC Diesel (642.940), 300 CDI 4MATIC Diesel (642.820), 320 CDI 4MATIC Diesel (642.940), 350 4MATIC, -LPG LPG,Petrol (272.967), 350 BlueTEC 4MATIC Diesel (642.820), 350 CDI BlueTEC 4MATIC Diesel (642.820), 420 CDI 4MATIC Diesel (629.912), 500 4MATIC, -LPG LPG,Petrol (1…	Diesel, LPG, Petrol
M 2011-2015	2011-2015	250 BlueTEC 4MATIC Diesel (651.960), 300 4MATIC Petrol (276.955), 350 4MATIC Petrol (276.955), 350 BlueTEC 4MATIC Diesel (642.826), 400 4MATIC Petrol (276.821), 500/550 4MATIC Petrol (278.928), 63 AMG Petrol (157.982), 63 AMG Petrol (157.982)	Diesel, Petrol

Servicing by engine type

Petrol Mercedes-Benz M maintenance

Petrol Mercedes-Benz M models cover a wide spread of engines, including common V6/V8 families and higher-performance AMG variants (for example, M276, M272, M273, M278 and AMG units). Oil and filter changes are typically time and mileage based, and the right interval depends on your exact engine and service system; the interval signals for this family range from roughly 10,000 to 30,000 km and 12 to 24 months. Pay close attention to ignition maintenance on petrol engines (spark plugs and coils) as missed misfire symptoms can accelerate catalyst damage. Where fitted, inspect ancillary drive belts and cooling system condition at services, as heat management is critical on larger-displacement and performance petrol engines.

Diesel (CDI/BlueTEC) Mercedes-Benz M maintenance

Diesel M variants include CDI and BlueTEC engines (such as OM642, OM651, OM629, OM628 and OM612), and service needs can differ significantly between generations. Oil service intervals for the family are shown as variable, typically landing somewhere between about 10,000 and 30,000 km (or 12 to 24 months), so select your exact diesel to avoid over- or under-servicing. In addition to routine oil and filter work, diesel maintenance often places more emphasis on air-intake health and avoiding oil dilution issues from repeated short trips. If your M is BlueTEC-equipped, keep an eye on emissions-related running quality and address warning lights promptly, as deferred faults can lead to drivability problems and higher repair costs.

LPG Mercedes-Benz M maintenance

LPG-equipped Mercedes-Benz M models appear alongside petrol variants, and service requirements can be influenced by the underlying petrol engine family (for example, M272/M273/M113 and AMG petrol units) as well as the LPG installation. Follow the displayed oil-service interval for your selected model (the family range indicated is roughly 10,000 to 30,000 km and 12 to 24 months), and consider that certain usage patterns can justify servicing at the shorter end. LPG operation can make ignition system condition especially important, so maintain spark plugs and coils to prevent misfires and rough running. Also check LPG-specific components and pipework condition during routine inspections, and investigate any fuel smell or running changes without delay.

Common service operations for Mercedes-Benz

The operations listed below reflect typical Mercedes-Benz M maintenance items, but the exact schedule can change with generation, engine family and usage. Confirm the cadence shown for your selected M model, especially where intervals differ between petrol, diesel and LPG variants.

Operation	Typical interval	Notes
Oil and filter change	See selector above	Varies by engine and recommended oil grade
Air filter	30,000 to 60,000 km	More often in urban or dusty driving
Cabin filter	15,000 to 30,000 km or 1 year	Affects air conditioning and air quality
Brake fluid	2 years (all models)	Regardless of mileage
Coolant	Per manufacturer (typically 5 years or 100,000 km)	Check level and condition (colour, deposits) at every service
Front brake pads	Depending on use (typically 30,000 to 60,000 km)	Wear depends on driving style and load carried
Timing belt	See selector above	Interval varies widely by engine
Spark plugs (petrol)	30,000 to 60,000 km	Petrol engines only

Mercedes-Benz electronic diagnostics

If a warning light appears or the engine runs poorly, an OBD scan can quickly narrow down the cause before parts are replaced. Our Mercedes-Benz M fault codes and OBD guide explains how diagnostic trouble codes are grouped (powertrain, chassis, body and network) and what those categories typically relate to. Use the codes as a starting point, then confirm the fault with basic checks such as wiring, connectors, vacuum/boost leaks and sensor plausibility. Clear codes only after repairs and a proper road test.