Mercedes-Benz M-Class 1998-2005

The Mercedes-Benz M-Class, introduced in 1998 and produced until 2005, marked the automaker's entry into the luxury SUV segment. It was notable for its blend of off-road capability and on-road comfort. The M-Class featured a unibody construction, setting it apart from traditional body-on-frame SUVs of the era. This design offered a more car-like ride and handling while maintaining the ability to handle light off-road terrain. It was available with a range of V6 and V8 engines, paired with automatic transmissions, providing ample power and smooth acceleration.

Inside, the M-Class boasted a spacious and well-appointed cabin with comfortable seating for five passengers. Mercedes-Benz emphasized safety with features like stability control, antilock brakes, and multiple airbags. As for off-road capability, the M-Class included features like full-time all-wheel drive and optional low-range gearing. Overall, the first-generation M-Class laid the foundation for Mercedes-Benz's successful SUV lineup, combining luxury, performance, and versatility in a midsize package that appealed to many buyers.

Mercedes-Benz M-Class specification, engine oil capacity, spark plug gap, safety rating, fuel consumption, transmission, and light bulb sizes.

Chassis

• Type: W163

Engine 3.7L 6-Cylinder DOHC

• Recommended Oil viscosity: 0W-40
• Recommended Engine Oil: SL
• Drain Plug Torque: 27FT-LBS
• Oil capacity: 8.5 qt

Spark Plug Gap

• 2.0L 4-Cylinder: 0.044′

Brake Fluid

• Type: Only use brake fluid approved for Mercedes-Benz according to MB-Freigabe or MB-Approval 331.0.

Fuel

• Capacity: 24.6 US gal (93.0 l)

DEF

• Capacity: 7.3 US gal (27.5 l)

Coolant

• Type:
• Capacity: 
  • ML 350:Approx. 11.1 US qt (10.5 l)
  • ML 350 4MATIC:Approx. 11.1 US qt (10.5 l)
  • ML 400: Approx. 10.9 US qt (10.3 l)
  • ML 400 4MATIC: Approx. 10.9 US qt (10.3 l)
  • ML 550 4MATIC: Approx. 12.0 US qt (11.4 l)
  • ML 250 BlueTEC 4MATIC: Approx. 10.7 US qt (10.1 l)
  • ML 350 BlueTEC 4MATIC: Approx. 12.2 US qt (11.5 l)
  • Approx. 12.2 US qt (11.5 l): Approx. 12.2 US qt (11.5 l)

Refrigerant

• Capacity: 37.0 ± 0.4 oz (1050 ± 10 g)

PAG oil

• Capacity: 4.9 ± 0.4 oz (140 ± 10 g)

Washer Fluid

• Type: Only use windshield washer fluid which is also suitable for use on plastic surfaces, e.g., MB SummerFit or MB Winter-Fit.

Powertrain

Engine

• 2.3 L I4 (150 hp only manual)
• 2.7 L I5 (Diesel)
• 3.2 L V6
• 3.7 L V6
• 4.3 L V8
• 5.0 L V8
• 5.5 L V8

Transmission

• 5-speed manual
• 5-speed automatic

Fuel Consumption

Front Lights

• Front Fog Light Bulb: H8-35W
• Front Sidemarker Light Bulb: 1157NA
• Front Turn Signal Light Bulb: 1157NA
• High Beam Headlight Bulb: H7-55W
• Low Beam Headlight Bulb:
  • H7-55W
  • HID-D2S

Rear Lights

• Back Up Light Bulb: 7506
• Brake Light Bulb: 7506
• Center High Mount Stop Light Bulb: 7506
• License Plate Light Bulb: 6418
• Parking Light Bulb: 1157NA
• Rear Sidemarker Light Bulb: 2825
• Rear Turn Signal Light Bulb: 12496
• Tail Light Bulb: 7225

Interior Lights

• Courtesy Light Bulb: 6418
• Dome Light Bulb: 6411
• Glove Box Light Bulb: 6418
• Luggage Compartment Light Bulb: 6411
• Map Light Bulb: 6411