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Service B

First visit at approximately 20,000 miles or one year after previous service


  • All belts and hoses
  • Undercarriage and suspensions
  • Battery Voltage
  • Mass Air Flow Meter
  • Fuel injection & Throttel body
  • Propeler disk shaft
  • Dust filter.
  • Tires for damage and condition
  • Brake system
  • Warning and indicator lamps and interior lighting
  • Windshield wiper and windshield washer system
  • Parking brake
  • Condition of front and rear brake discs and pads
  • Tire inflation pressure
  • Major components leakage
  • Condition of front axle ball joints and rubber boots
  • Condition of mechanical steering components
  • All fluid levels, replenish if necessary
  • Engine cooling system, antifreeze
  • Active Body Control
  • Battery fluid level
  • Safety catch and hinges on engine hood for proper operation
  • Condition of poly V-belt


  • Coolant
  • Engine oil
  • Oil Filter
  • Air filter
  • Dust filter (A/C)
  • Combination filter (SL-Class Only)


  • Maintenance counter in intrument cluster


  • Tires
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