Certified Pre-Owned → Certification Process
To begin the inspection, a mileage/history verification is performed and owner’s manuals and spare keys are assembled.
11 Point General Inspection
Identifiable structural damage
Mileage and history verification
Vehicle maintenance schedule verification
Verify all recall and campaigns have been completed
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 compartment and pre-road test checks
Mercedes-Benz engines undergo all oil and fluid inspections to ensure unmatched performance. Engine, transmission, and rear-axle oil, brake, clutch, and level-control fluid, among others, are carefully examined.
13 Point Engine Compartment and Pre-Road Test Checks
Engine oil quality and level checks
Transmission oil check
Rear axle oil check
Transfer case oil check
Front axle oil check
Antifreeze protection check
Power steering fluid check
Brake and clutch fluid check
Windshield washer fluid check
Level control oil, ADS
Battery condition and check
Verify functionality of any moving linkage
AdBlue level check
Engine component and system condition check
We perform a thorough condition verification of your engine, from filters and plugs to engine mounts and V-belts.
16 Point Engine Component Inspection
Emission Control System checks
Fuel filter checks
Spark plug check
Dynamic compression test (over 60,000 miles)
Fuel injection check
Pre-Glow system check
Vacuum pump check
Boost pressure check
Air cleaner/ filter check per maintenance schedule
V-Belt and Poly V-Belt check
Engine mount check
Heating and ventilated dust filter per maintenance schedule
Active charcoal filter/ pre-filter per maintenance schedule
Recirculation air filter per maintenance schedule
A/C refrigeration change per maintenance schedule
Electrical systems and functions test
Everything on the vehicle that takes a charge—from the headlamps, fuses, and radio to the heated seats, front seat-belt presenters, and rear-window sunshade—is checked and approved.
32 Point Electrical Inspection
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 check
Radio and speaker function check
Tire pressure monitor system check
CD changer and DVD rear entertainment system check (if applicable)
Cellphone and Bluetooth® check (if applicable)
Cigarette lighters
Voice control systems (if applicable)
mBrace functionality and software check
Switches check
Steering column adjustment and memory check
Seat adjustment and memory check
Heated and ventilated seats check
Front seatbelt extenders (coupes and cabriolets)
Front seat backrest latch/ release (coupes and cabriolets)
Chime/ warning lamps (coupes and cabriolets)
Rear window defroster check
Rear head restraint retraction
Rear window sunshade check
Horn check
Headlamp low/ highbeam and all exterior lights check
Rear seat backrest latch/ warning lamp check
Panorama roof function and Rollo shades check
Interior and entry lighting check
Windshield wiper and washer system check
AIRSCARF® functionality check
Rain sensor functionality check
Undercarriage and drivetrain checks
We get underneath the vehicle to scrutinize the steering, suspension, brakes, wheels, tires, and driveshaft.
16 Point Undercarriage and Drivetrain Inspection
Drive Shaft flex discs, couplings, and Center Support Bridge checks
Exhaust system, connections, and supports check
Parking brake and cables check
Brake lines check
Tire wear check (including spare)
Wheel inspection
Wheel bolt torque check
Wheel alignment and adjustment (if needed)
Brake rotors and pads check
Shock absorbers and damper struts check
Suspension inspection
Self-leveling suspension check
Front/ rear axle rubber mounts and bushings
Check Steering Play
Tighten steering gear bolts for 463 vehicles
Front axle ball joints check
Chassis and body check
From body structure to glass, lamp frames, lenses, seat belts, and vanity mirrors, nothing is left out.
26 Point Chassis and Body Inspection
Body structure inspection
Glass, lamps, frames, and lenses check
Central locking system functionality check
Mechanical locking at all points check
Alarm System Function check
Power window operations from all points
One touch and convenience closing check
Interior trim check, inspect dash, door panels, seat covers, etc…
First Aid Kit: inspect and replace if inner seal is broken and check expiration dates
Multicontour seats check
Seatbelt operations and conditions
Front seatbelt heigh adjustment
Front seat center armrests and hinges
Front sun visors/ vanity mirrors and rear vanity mirrors (if equipped)
Roll bar/ pop-up headrest
PARKTRONIC check (if available)
Soft top/ seats condition and operation check
AIRCAP®: check operation and proper movement according to vehicle specs
Door/ trunk Lid Closing Assist
Trunk release
Tailgate Closing Assist
Rear facing third seat (station wagons)
Trunk, door, and tailgate seals and inspection drains
Sliding roof functionality, drains, and headliner check
Inspect glass roof for scratches and corrective actions
Instruments
Road test
The road test is conducted firsthand from the driver’s seat: instruments, vibration, noise, shift-lock operations, and more are all checked.
15 Point Road Test Inspection
Instruments
Speedometer, odometer, and tripmeter checks
Steering, vehicle handling, and centered steering wheel check
Braking System performance and Parking Brake operation
Automatic climate control functionality, regulation, display, and odors
Cruise control functionality
Verify navigation functionality
Verify Distronic® functionality
Engine performance
Excessive exhaust smoke (diesel)
Vibration and noise (drivetrain/wheels)
Transmission shifting (upshift, downshift, and kickshift)
Shift lock operation
Wind noise
Post-Road Test
After the test drive, we check for leaks, verify proper fluid levels, and complete the climate control inspection begun during the road test.
3 Point Post-Road Test Inspection
Fluid leaks
Fluid levels (under the hood)
Automatic climate control
A Certified Pre-Owned vehicle is restored to exceptional condition—free of dings, dents, rips, scratches, and scuffs wherever possible—with high-quality fit and finish inside and out.
33 Point Appearance Inspection
Engine wash
Trunk mats
Paint
Spare tire, tools and jack, and Tirefit sealant expiration date
Moisture and odor
Vacuum and shampoo
Floor mats
Carpet
Upholstery
Headliner and door panels
Button knobs
Glass and mirrors
Wood and/or chrome trim check
Screws
Ashtrays
De-grease door jambs, hinges, kickpanels, and visors
Dings, dents, and scratches check
Glass and mirror housings
Grille
Lamp lenses
Badges
Trim and moldings
Wipers
Bumpers
Door edges and frames
Wash and wax
Scuffs and scratches
Cuts and gouges
Wash and polish
