Mercedes-Benz G-Class 2013 Operator's Manual

The 2013 Mercedes-Benz G-Class typically requires synthetic engine oil with a viscosity of 0W-40 or 5W-40. It's important to use oil that meets the Mercedes-Benz specification 229.5.
To reset the service indicator, turn the ignition to position 1. Use the steering wheel buttons to navigate to the mileage screen. Press and hold the call answer and OK buttons simultaneously until the service menu appears. Use the arrows to select 'Full Service' and confirm with OK. Follow the prompts to reset.
The recommended tire pressure for the 2013 Mercedes-Benz G-Class is typically 36 PSI for the front tires and 42 PSI for the rear tires. Always refer to the sticker located on the driver's side door jamb for the most accurate specifications.
If you experience issues with the air suspension, check for any warning lights on the dashboard. Inspect the fuses related to the suspension system and ensure there are no leaks in the air lines. If the problem persists, consult a professional technician to diagnose the air suspension compressor and sensors.
Common causes of battery drain include leaving lights on, a faulty alternator, or electrical components that remain active. Ensure all interior and exterior lights are off when the vehicle is not in use and have the battery and alternator checked by a professional if problems continue.
To replace the key fob battery, remove the mechanical key from the fob. Use a small flathead screwdriver to gently pry open the key fob casing. Replace the old battery with a new CR2025 battery, ensuring the positive side faces up, then snap the fob back together.
If the engine overheats, pull over safely and turn off the vehicle. Allow the engine to cool before checking the coolant level. Do not open the radiator cap while the engine is hot. If coolant levels are normal and the problem persists, have the cooling system inspected by a professional.
Transmission fluid in the 2013 Mercedes-Benz G-Class should generally be changed every 40,000 to 60,000 miles. However, always refer to the vehicle's maintenance schedule in the owner’s manual for the most accurate intervals.
To improve fuel efficiency, maintain proper tire pressure, remove unnecessary weight from the vehicle, and ensure regular maintenance checks. Driving at consistent speeds and avoiding rapid acceleration can also help improve fuel economy.
Signs of a failing brake system include squealing or grinding noises when braking, a soft or spongy brake pedal, and longer stopping distances. If any of these symptoms are present, have the brakes inspected by a qualified technician immediately.