Mercedes-Benz G-Class III 2019-2024 Maintenance Plans

This schedule shows key service items and indicative intervals. Actual intervals depend on driving conditions, exact engine specification and manufacturer recommendations. For full details of all operations, sub-tasks and technical specifications, see our technical manuals.

AMG G 63 4MATIC Petrol (177.980)

Service intervals · AMG G 63 4MATIC Petrol (177.980) · Maintenance system

Task	Service 1 (A)	Service 2 (B)	Service 3	Service 4: every 24 months	Service 8: every 60,000 km/36 months	Service 11: every 200,000 km/120 months	Service 12: every 80,000 km/48 months	Service 13: every 200,000 km/120 months	Service 15: every Service B	Service 20: every 120,000 km	Service 25: every 80,000 km/48 months	Service 27: every 120,000 km
Engine
Renew the engine oil	○	○	●	○	○	○	○	○	○	○	○	○
Renew the oil filter	○	○	●	○	○	○	○	○	○	○	○	○
Check for oil leaks	●	●	○	○	○	○	○	○	○	○	○	○
Renew the air filter	○	○	○	○	●	○	○	○	○	○	○	○
Renew the spark plugs	○	○	○	○	○	○	●	○	○	○	○	○
Check the condition of all visible hoses, lines and connections	●	●	○	○	○	○	○	○	○	○	○	○
Cooling system: check for leaks. Check the level and anti-freeze strength; correct if necessary	●	●	○	○	○	○	○	○	○	○	○	○
Transmission
CV joint boots: check for damage and leaks	○	●	○	○	○	○	○	○	○	○	○	○
Steering
Check the steering assembly for damage, leaks and wear	○	●	○	○	○	○	○	○	○	○	○	○
Steering ball joints: check for damage and play	○	●	○	○	○	○	○	○	○	○	○	○
Brakes
Check the brake fluid level; top up if necessary	●	●	○	○	○	○	○	○	○	○	○	○
Braking system: renew the brake fluid	○	○	○	●	○	○	○	○	○	○	○	○
Check the brake lines, hoses and connections for leaks and damage	●	●	○	○	○	○	○	○	○	○	○	○
Suspension, wheels and tyres
Check the tread depth and wear pattern on all the tyres, including the spare	●	●	○	○	○	○	○	○	○	○	○	○
Suspension: check for damage and wear	○	●	○	○	○	○	○	○	○	○	○	○
Check the tyre pressures; adjust if necessary	●	●	○	○	○	○	○	○	○	○	○	○
Electrical System
Check the operation of the exterior lights	●	●	○	○	○	○	○	○	○	○	○	○
Reset the service indicator	●	●	○	○	○	○	○	○	○	○	○	○
Interior
Renew the dust and pollen filter	●	●	○	○	○	○	○	○	○	○	○	○
Exterior
Check the windscreen wipers and washing system	●	●	○	○	○	○	○	○	○	○	○	○

G350 d Diesel (656.929)

Service intervals · G350 d Diesel (656.929) · Maintenance system ( except China, USA)

Task	Service 1 (A)	Service 2 (B)	Service 3	Service 4: every 24 months	Service 8: every 60,000 km/36 months	Service 11: every 80,000 km/48 months	Service 13: every 200,000 km/120 months	Service 15: every Service B	Service 20: every 120,000 km	Service 25: every 80,000 km/48 months	Service 27: every 120,000 km
Engine
Renew the engine oil	○	○	●	○	○	○	○	○	○	○	○
Renew the oil filter	○	○	●	○	○	○	○	○	○	○	○
Check for oil leaks	●	●	○	○	○	○	○	○	○	○	○
Renew the air filter	○	○	○	○	●	○	○	○	○	○	○
Check the condition of all visible hoses, lines and connections	●	●	○	○	○	○	○	○	○	○	○
Cooling system: check for leaks. Check the level and anti-freeze strength; correct if necessary	●	●	○	○	○	○	○	○	○	○	○
Transmission
CV joint boots: check for damage and leaks	○	●	○	○	○	○	○	○	○	○	○
Steering
Check the steering assembly for damage, leaks and wear	○	●	○	○	○	○	○	○	○	○	○
Steering ball joints: check for damage and play	○	●	○	○	○	○	○	○	○	○	○
Brakes
Check the brake fluid level; top up if necessary	●	●	○	○	○	○	○	○	○	○	○
Braking system: renew the brake fluid	○	○	○	●	○	○	○	○	○	○	○
Check the brake lines, hoses and connections for leaks and damage	●	●	○	○	○	○	○	○	○	○	○
Suspension, wheels and tyres
Check the tread depth and wear pattern on all the tyres, including the spare	●	●	○	○	○	○	○	○	○	○	○
Suspension: check for damage and wear	○	●	○	○	○	○	○	○	○	○	○
Check the tyre pressures; adjust if necessary	●	●	○	○	○	○	○	○	○	○	○
Electrical System
Check the operation of the exterior lights	●	●	○	○	○	○	○	○	○	○	○
Reset the service indicator	●	●	○	○	○	○	○	○	○	○	○
Interior
Renew the dust and pollen filter	●	●	○	○	○	○	○	○	○	○	○
Exterior
Check the windscreen wipers and washing system	●	●	○	○	○	○	○	○	○	○	○

G400 d Diesel (656.929)

Service intervals · G400 d Diesel (656.929) · Maintenance system ( except China, USA)

Task	Service 1 (A)	Service 2 (B)	Service 3	Service 4: every 24 months	Service 8: every 60,000 km/36 months	Service 11: every 80,000 km/48 months	Service 13: every 200,000 km/120 months	Service 15: every Service B	Service 20: every 120,000 km	Service 25: every 80,000 km/48 months	Service 27: every 120,000 km
Engine
Renew the engine oil	○	○	●	○	○	○	○	○	○	○	○
Renew the oil filter	○	○	●	○	○	○	○	○	○	○	○
Check for oil leaks	●	●	○	○	○	○	○	○	○	○	○
Renew the air filter	○	○	○	○	●	○	○	○	○	○	○
Check the condition of all visible hoses, lines and connections	●	●	○	○	○	○	○	○	○	○	○
Cooling system: check for leaks. Check the level and anti-freeze strength; correct if necessary	●	●	○	○	○	○	○	○	○	○	○
Transmission
CV joint boots: check for damage and leaks	○	●	○	○	○	○	○	○	○	○	○
Steering
Check the steering assembly for damage, leaks and wear	○	●	○	○	○	○	○	○	○	○	○
Steering ball joints: check for damage and play	○	●	○	○	○	○	○	○	○	○	○
Brakes
Check the brake fluid level; top up if necessary	●	●	○	○	○	○	○	○	○	○	○
Braking system: renew the brake fluid	○	○	○	●	○	○	○	○	○	○	○
Check the brake lines, hoses and connections for leaks and damage	●	●	○	○	○	○	○	○	○	○	○
Suspension, wheels and tyres
Check the tread depth and wear pattern on all the tyres, including the spare	●	●	○	○	○	○	○	○	○	○	○
Suspension: check for damage and wear	○	●	○	○	○	○	○	○	○	○	○
Check the tyre pressures; adjust if necessary	●	●	○	○	○	○	○	○	○	○	○
Electrical System
Check the operation of the exterior lights	●	●	○	○	○	○	○	○	○	○	○
Reset the service indicator	●	●	○	○	○	○	○	○	○	○	○
Interior
Renew the dust and pollen filter	●	●	○	○	○	○	○	○	○	○	○
Exterior
Check the windscreen wipers and washing system	●	●	○	○	○	○	○	○	○	○	○

G500 Petrol (176.980)

Service intervals · G500 Petrol (176.980) · Maintenance system

Task	Service 1 (A)	Service 2 (B)	Service 3	Service 4: every 24 months	Service 8: every 60,000 km/36 months	Service 11: every 200,000 km/120 months	Service 12: every 80,000 km/48 months	Service 13: every 200,000 km/120 months	Service 15: every Service B	Service 20: every 120,000 km	Service 25: every 80,000 km/48 months	Service 27: every 120,000 km
Engine
Renew the engine oil	○	○	●	○	○	○	○	○	○	○	○	○
Renew the oil filter	○	○	●	○	○	○	○	○	○	○	○	○
Check for oil leaks	●	●	○	○	○	○	○	○	○	○	○	○
Renew the air filter	○	○	○	○	●	○	○	○	○	○	○	○
Renew the spark plugs	○	○	○	○	○	○	●	○	○	○	○	○
Check the condition of all visible hoses, lines and connections	●	●	○	○	○	○	○	○	○	○	○	○
Cooling system: check for leaks. Check the level and anti-freeze strength; correct if necessary	●	●	○	○	○	○	○	○	○	○	○	○
Transmission
CV joint boots: check for damage and leaks	○	●	○	○	○	○	○	○	○	○	○	○
Steering
Check the steering assembly for damage, leaks and wear	○	●	○	○	○	○	○	○	○	○	○	○
Steering ball joints: check for damage and play	○	●	○	○	○	○	○	○	○	○	○	○
Brakes
Check the brake fluid level; top up if necessary	●	●	○	○	○	○	○	○	○	○	○	○
Braking system: renew the brake fluid	○	○	○	●	○	○	○	○	○	○	○	○
Check the brake lines, hoses and connections for leaks and damage	●	●	○	○	○	○	○	○	○	○	○	○
Suspension, wheels and tyres
Check the tread depth and wear pattern on all the tyres, including the spare	●	●	○	○	○	○	○	○	○	○	○	○
Suspension: check for damage and wear	○	●	○	○	○	○	○	○	○	○	○	○
Check the tyre pressures; adjust if necessary	●	●	○	○	○	○	○	○	○	○	○	○
Electrical System
Check the operation of the exterior lights	●	●	○	○	○	○	○	○	○	○	○	○
Reset the service indicator	●	●	○	○	○	○	○	○	○	○	○	○
Interior
Renew the dust and pollen filter	●	●	○	○	○	○	○	○	○	○	○	○
Exterior
Check the windscreen wipers and washing system	●	●	○	○	○	○	○	○	○	○	○	○

Repair guides

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Last Updated:June 22, 2026

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Matched Product: Mercedes-Benz G-Class III (W463) 2019 to 2024 Haynes Online Diagnostics & Service Guide

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Service intervals · AMG G 63 4MATIC Petrol (177.980) · Maintenance system

Service intervals · G350 d Diesel (656.929) · Maintenance system ( except China, USA)

Service intervals · G400 d Diesel (656.929) · Maintenance system ( except China, USA)

Service intervals · G500 Petrol (176.980) · Maintenance system

Repair guides

Change Car Accessory Belt Kit

Change Car Air Filter

Change Car Battery

Change Car Cabin Filter

Change Car Front Brake Discs and Pads

Change Car Front Brake Pads

Change Car Handbrake Cable

Change Car Rear Silencer

Change Car Shock Absorbers

Change Car Turbo

Change Car Water Pump

Change Car Fuel Filter

Change Car Particulate Filter (DPF)

Products related to these vehicles

Mercedes-Benz G-Class III (W463) 2019 to 2024 Haynes Online Diagnostics & Service Guide