Identifiable Structural Damage (get a magnet for bondo check) ***** Mileage and History verification (CARFAX) Vehicle Maintenance Schedule Verification (read FSS) ***** Verify all recall and campaigns have been performed Current Maintenance and Warranty Booklet Current Owners manual All spare keys including wheel locks if installed **** OEM Factory Window verification Roadside Assistance Program labels MBCPO inspection label affixed to B-Pillar Perform testing for Diagnostic codes ***** Engine oil quality and level checks ***** Transmission oil check (bring dipstick for newer cars) ***** Rear Axle Oil check (check for oil residue if you can't open it in the field) Transfer Case Oil Check Front Axle Oil check Antifreeze protection check (green coolant = red flag) Power Steering Fluid check Brake Fluid & Clutch Fluid check ***** Windshield Washer Fluid check Level Control Oil, ADS Battery Condition and check Verify functionality of any moving linkages AdBlue level check (blowby test) ***** why Mercedes-Benz is not checking it? >> put a napkin over oil fill and see if it stays at idling. Emission control System checks Fuel Filter check Spark Plug check Dynamic compression test (this is hard to do on newer engines, so I do acceleration test instead) Fuel Injection System Ignition System check Pre-Glow system check (is the glow light coming on at start?) Vacuum pump check (***** for older -pre1998 diesels with weak pumps) Boost Pressure Check Air cleaner / Filter check per maintenance schedule V-Belt and Poly V-Belt check Engine Mount check Heating and Ventilation Dust filter per maintenance schedule Active Charcoal Filter / Pre-Filter per maintenance schedule Recirculation Air Filter per maintenance schedule A/C Refrigerant Charge per maintenance schedule Fuses condition and proper rating MIL check ***** Instrument Cluster check ***** Exterior rear view mirror check Exterior mirror fold-back operation Interior rear view mirror check Automatic dimming rear view mirror Radio and speaker function check Tire Pressure Monitoring System check CD Changer and DVD rear entertainment system check (if applicable) Cell phone and BlueTooth check (if applicable) Cigarette Lighters Voice Control Systems (if applicable) mBrace functionality and software check Switches check Steering Column adjustment and memory Seat Adjustment and memory check Heated / Ventilated Seats Front Seat Belt Extenders (coupe and Cabriolet) Front seat backrest latch/ Release (Coupe and Cabriolet) Front seat backrest latch/ Release Chime / Warning Lamp (Coupe and Cabriolet) Rear Window Defroster check Rear Head Restraint Retraction Rear Window Sunshade Horn Headlamp Low / High Beam & All exterior lights Rear Seat Back rest latch / Warning Lamp Panorama Roof Function and Rollo Shades Interior and Entry Lighting Windshield Wiper / Washer systems Air-Scarf Functionality Rain-Sensor Functionality Drive Shaft Flex discs, couplings and Center Support Bridge ***** Exhaust System /Connections / Supports ***** Parking Brake and Cables Brake Lines Tire Wear including spare Wheel inspection Wheel bolt torque Wheel alignment check and adjust if necessary Brake Rotors and Pads check Shock Absorbers / Damper struts Suspension Inspection Self-Leveling Suspension inspection Front / Rear Axel Rubber Mounts / Bushings Check Steering Play ***** Tighten Steering Gear Bolts for 463 vehicle Front Axle Ball joints Steering Shock for 463 vehicle Body Structure Inspection Glass, Lamp Frames and Lenses Central Locking System Function Mechanical Locking at all points Alarm System Function Power Window Operations from all points One touch and convenience Closing Interior Trim, Inspect Dash, Door Panels, Seat Covers, etc First Aid Kit - Inspect and Replace if inner seal is broken, check expiration date Multi-Contour seats Seat Belt Operation and Condition Front Seat Belt Height adjustment Front Seat Center Armrest and hinges Front Sun Visors / Vanity Mirrors, Rear Vanity Mirrors (if equipped) Roll Bar / Pop Up Headrest Parktronic (if available) Soft top and Seats, condition and operation Aircap - Check operation and proper movement according to vehicle specs Door / Trunk Lid Closing Assist Trunk Release Tailgate ClosingAssist Rear Facing Third Seat (Station Wagon) Door / Trunk / Tailgate Seals, Inspect Drains Sliding Roof function Drains and Headliner Inspect Glass Roof for Scratches / Corrective action Instruments Instruments Speedometer / Odometer / Tripmeter (confirm speedometer with GPS) Steering / Vehicle handling / Centered Steering Wheel **** Braking System Performance / Parking Brake Operation Automatic Climate Control Function, Regulation, Display, Odors ***** Cruise Control Function **** Verify Navigation Function Verify Distronic Function Engine Performance Excessive Exhaust Smoke (Diesel) Vibration and Noise (Drivetrain / Wheels) Transmission Shifting (upshift / downshift, Kickdown) Shift-Lock Operation Wind Noise Fluid Leaks - Visible Inspection Automatic Climate Control All Fluid Levels (under hood) Engine wash Trunk Mats Paint***** Spare Tire, Tools & Jack, Check Tirefit sealant expiration date Moisture and Odor Vacuum and Shampoo Floor Mats Carpet Upholstery headliner, Door Panels Buttons Knobs and Vents, Instrument Panel Glass and Mirrors Wood and / or Chrome Trim Vacuum and Shampoo Screws Ashtrays De-grease Door Jambs, Hinges, Kickpanels and Visors Moisture and Odor Dings, Dents and Scratches Examine Paint Examine and Clean Chrome Glass and Mirror Housing Grill Lamp Lenses Badges Trim and Moldings Wipers Bumpers Door Edges, Frames Wash and Wax Scuffs and Scratches Cuts and Gouges Wash and Polish