The following is our Certification Inspection procedure. This procedure helps ensure that your Mercedes-Benz Certified Pre-Owned vehicle has been inspected and when required reconditioned to our exacting standards.
General
1 - No Identifiable Structural Damage Verification
2 - Mileage/History Verification and CARFAX report
3 - All Recall and/or other Campaigns Performed
4 - Current Maintenance and Warranty Booklet
5 - Current Owner's Manual
6 - All Spare Keys (Including Wheel Locks if Installed)
7 -NA - Radio Theft Deterrent CODE Cards Present
8 - SRS Date Label. (Check Date - 15 year validity)
9 - Roadside Assistance Program Label Affixed
10 - Inspection Label Affixed
11 - NA - Flash-up the newest software if available for all Telematics components
12 - Perform short test. Diagnose any stored DTC's & repair as necessary
Engine Compartment and Pre-Road Test Checks
13 - Engine Oil
14 - Transmission Oil
15 - Rear Axle Oil
16 - NA - Transfer Case and Front Axle Oils
17 - Engine Compartment/Antifreeze Protection
18 - Power Steering Fluid
19 - Brake Fluid & Clutch Fluid
20 - Windshield Washer Fluid(s)
21 - NA - Level Control Oil, ADS, ASD, 4MATIC Fluid
22 - Battery Condition / Midtronics Test
23 - NAThrottle Linkages
Engine Component/System - Condition Check & Verification
24 - All Emission Control Systems in Place and Functional
25 - Fuel Filter and Pre-Filter
26 - Spark Plugs
27 - Perform Compression Test (Vehicles over 60,000 miles)
28 - NA - Fuel Injection System; Verify Lamda Reading (Gas)
29 - NA - Ignition System; Including Routing of Ignition Wires (Gas) if applicable
30 - NA - Pre-Glow System Function - Visual (Diesel)
31 - NA - Injection Pump Timing
32 - NA - Vacuum Pump; Leak Evidence of Oil in Vacuum Line (Diesel)
33 - Boost Pressure (Diesel)
34 - Air Cleaner/ Filter
35 - V-Belts Poly-V-Belt
36 - Engine Mounts
37 - NA - Heating and Ventilation Dust Filter
38 - NAActive Charcoal Filter/Pre-Filter
39 - NA - Recirculating Air Filter
40 - A/C Refrigerant Charge System
Electrical Systems and Function Test
41- Fuses (Condition/Proper Rating)
42 - MIL Check; Indicators in Instrument Cluster
43 - Dash Instruments, Clock, Illumination and Dimmer Control
44 - Exterior Rear View Mirrors
45 - NA - Ext. Mirror Fold Back
46 - NA - Interior Rear View Mirror
47 - NA - Automatic Dimming Rear View Mirror Function
48 - Radio, (Satellite Radio, if any) and Stereo Speaker Function
49 - Cassette Player; Clean Tone Head CD Drive, Navi processor, CD Lens cleaner
50 - Automatic Antenna; Clean Mast
51 - NA - CD Changer / Player
52 - NA - Cellular Telephone
53 - Cigarette Lighter(s)
54 - Rocker Switches; Function, Tactile Feel and LED/Illumination
55 - NA - Steering Column Adjustment and Memory
56 - NA - Seat Adjustments and Memory
57 - NA - Cooled Seats
58 - NA - Heated Seats/ Ventilated
59 - NA - Front Seat Belt Extenders; Coupe and Cabriolet
60 - NA - Front Seat Backrest Latch/Release; (Coupe and Cabriolet)
61 - NA - Front Seat Backrest Latch/Release Chime/Warning Lamp; (Coupe and Cabriolet)
62 - NA - Rear Window Defroster (Check Current Draw with DMM)
63 - NA - Rear Head Restraint Retraction
64 - NA - Rear Window Sunshade
65 - Horn (Including Fanfare)
66 - Headlamp Low/High Beam & all Exterior Lights
67 - NA - TeleAid (Listen for pre-recorded ATX msg)
68 - NA - Voice Control System (Basic Functionality)
69 - NA - Rear seat backrest latch/ Warning Lamp
70 - Panorama Roof Function and Rollo Shades
71 - Interior and Entry Lighting
72 - Windshield Wiper/Washer; System/Rear Window Wiper/Washer; Including Wiper inserts, Headlamp Cleaning System
Undercarriage/Drivetrain
73 - Drive Shaft Flex Discs, Couplings and Center Support Brg(s)
74 - Exhaust System/Connections/Supports
75 - Parking Brake and Cables
76 - Brake Lines
77 - Tire Wear (Including Spare); Depth=50% Above TWI
78 - Brake Rotors/Pads (Minimum of 50% Pad Material)
79 - Shock Absorber/Damper Struts
80 - Suspension Inspection
NASelf-Leveling Suspension
81 - Front/Rear Axle Rubber Mounts/Bushings
82 - Steering Play
83 - Tighten Steering Gear Bolts
84 - Front Axle Ball Joints
85 - Steering Shock
Chassis/Body
86 - Body Structure Inspection
87 - Glass, Lamp Frames and Lenses
88 - Central Locking System Function Test (Interior/Exterior)
Mechanical Locking with All Keys at All Points
NAAlarm System Function
89 - Power Window Operation from All Points (Including Lock-out)
NA One Touch & Convenience Closing
90 - Interior Trim; Inspect Dash, Door Panels, Seat Covers, Wood, etc.
91 - First Aid Kit
92 - NA - Ortopedic Seats. (Function Check with Engine Running)
93 - Seat Belts � Condition/Operation
94 - Front Seat Belt Height Adjustment
95 - NAFront Seat Center Armrest (and Hinge)
96 - Front Sun Visor/Vanity Mirror
Operation/Illumination
97 - NARear Vanity Mirror
98 - NA - Roll Bar Pop-up Headrest
99 - NA - Parktronic (if available)
100 - NA - Soft Top & Seals; Condition/Operation
101 - NA - Hard Top, Remove/Install Top Wrenches; Seals
102 - NA - Door/Trunk Lid Closing Assist
NARemote Trunk Release
103 - NA - Station Wagon Tailgate Closing Assist
104 - NA - Rear Facing Third Seat (Station Wagon)
105 - Door/Trunk/Tailgate Seals; Inspect Drains
106 - Sliding Roof Function Drains and Headliner
NA-Inspect Glass Roof for Scratches/Corrective Action
Road Test
107 - Instruments
108 - Speedometer/Odometer/Tripmeter
109 - Steering/Vehicle Handling/Centered Steering Wheel
110 - Braking System Performance, Parking Brake Operation
111 - Automatic Climate Control-Function/Regulation/Display
112 - Cruise Control Function (Set, Accel, Decel, Resume & Off)
113 - Navigation Function
114 - NA - Distronic-Function
115 - Engine Performance
NAExcessive Exhaust Smoke (Diesel)
116 - Vibration and Noise (Drivetrain/Wheels)
117 - Transmission Shifting � (Upshift/ Downshift Quality & Kickdown)
118 - Shift Lock Operation
119 - Wind Noise
Post-Road Test Inspection
120 - Fluid Leaks Visible Inspection
121 - Automatic Climate Control - Residual Heating
122 - All Fluid Levels (Underhood)
