Papers
Registration certificate present (mandatory >750 kg)
Maintenance booklet
Moisture measurement report (annual)Ask for the latest measurement report from the dealer
Proof of ownership
Drawbar & coupling
Coupling ball wear (wear indicator)Indicator on the coupling: green = good, red = worn
Drawbar brake functionThe handbrake on the drawbar
Stabilizer (AKS/Winterhoff) functionDampens swaying — must clamp tightly to the ball
Jockey wheel + crank
Drawbar no cracks
Chassis & tires
Tire tread ≥3 mm (legal 1.6)
DOT age ≤6yrs (even with low mileage)4 digits on the tire sidewall: week + year
Axle rust + wishbone rust
Spare wheel present + DOT
Support legs working + no breakage
Mover working (if present)Maneuvering aid — test with the remote control
Interior
Moisture/mold corner profiles + roof connectionSmell musty, press in the corners — soft = moisture
Moisture under beds + sofas
Gas installation quality mark + pipe ageDate is on the gas hose
Refrigerator 12V/230V/gas test
Heating startup
Water tank + pump
Toilet (cassette) working
Windows + roof hatch no leaks
Upholstery fabric condition
Roof ventilation working
Lighting + 230V connection working
Exterior
Wall seams silicone conditionSealant edges: cracks = leakage risk
Awning rail straight
Gutter clear
Awning working (if present)
Price & negotiation
Asking price vs market value
Awning included?
Inventory/furnishings included?
Warranty transfer