checkdenwagen.de is an independent, Germany-wide provider of on-site used-car inspections, based in Berlin with a network of inspectors across Germany. For the Tesla used-car inspection, electric-vehicle expertise is front and center: Tesla models (Model 3, Model Y, Model S, Model X) differ fundamentally in their weak spots from combustion-engine vehicles. The most important checkpoint is the battery State of Health (SoH) — that is, the remaining usable capacity of the high-voltage battery relative to the original manufacturer capacity. A battery loss of 15-20 percent after a few years is possible and means noticeably less range per charge. The SoH can be soundly estimated via Tesla's service interface and specialized diagnostic tools — we cannot guarantee a blanket manufacturer certification, but we do deliver a substantial assessment based on actually read-out charging data. We also check the MCU condition, high-voltage system fault codes, mechanical components such as suspension and brakes, and build quality. Our inspector examines your prospective Tesla on-site for about 1.5 hours — you receive the report within 24 hours as a basis for your purchase decision or price negotiation. For a comprehensive overview of electric-vehicle-specific checkpoints, we also recommend our page on the electric-car check.
Get a used Tesla inspected: on-site used-car inspection, from €289
Used Teslas are in demand — and risky to buy without expertise. The battery loses measurable capacity over the years, the MCU display of older Model S and X can fail due to eMMC wear, and the drivetrain and battery warranty is tied to conditions and remaining terms that rarely appear in the listing. Our inspector comes directly to the vehicle, checks over 100 points with Tesla-specific priorities, and delivers a digital photo report within 24 hours. Fixed price from €289 incl. VAT and travel.
Tesla: technology, range, and typical buyers
Pioneer of electric mobility — with a growing used market
Tesla helped shape the mass market for electric vehicles. The Model 3 and Model Y are among the best-selling electric cars in Europe; the Model S and Model X are luxury-class vehicles with a long market presence. On the German used market there is now a large selection — and with it a wide range of condition differences.
Reliability: software- and battery-dependent
Tesla's reliability depends heavily on software version, battery condition, and model year. Early Model 3 cars (2019-2020) have documented build-quality defects. Older Model S and X (before 2018) suffer from MCU wear and door-handle problems. Newer vehicles (from 2021) are considerably more mature — but also more expensive and with different weak spots.
Running costs: cheap to operate, expensive in case of battery damage
Tesla vehicles have no clutch, no transmission, and no combustion engine — many classic wear parts are eliminated. On the other hand, a battery replacement, if needed, is extremely costly and can significantly affect the residual value of a used car. Anyone who buys without a battery check bears that risk alone.
The typical used-car buyer — and the specific risks
Used Teslas appeal to tech-savvy buyers who want electric mobility at a reduced price. The risk: battery degradation and MCU wear are invisible in the listing and are rarely raised by private sellers. Without an independent inspection, you buy a vehicle whose most expensive component — the battery — is of unknown condition.
Tesla weak spots: what our inspection specifically examines
Battery SoH (State of Health): remaining capacity and range loss
The State of Health (SoH) is the central figure for any used Tesla: it indicates how much capacity the high-voltage battery still holds compared to its as-new condition. An SoH of 85 percent means you only reach 85 percent of the original range — on a Model 3 Long Range with a nominal 580 km WLTP, that's around 100 km less. Battery degradation is normal and irreversible, but the extent varies greatly depending on charging habits, usage, and model year. Via Tesla's service interface and specialized diagnostic tools, our inspector can provide a well-founded assessment of the SoH — not a blanket manufacturer certification, but a substantial data basis for your decision. Important: the Tesla drivetrain and battery warranty generally lasts 8 years or a defined mileage limit — remaining term and transferability to new owners must be checked case by case.
MCU/eMMC memory wear (Model S, Model X before 2018)
The Media Control Unit (MCU) in older Tesla Model S and Model X (before 2018) contains an eMMC flash memory with limited write capacity. This memory logs data continuously — and can reach its capacity limit after a few years. The consequences range from slowed displays and freeze frames all the way to a complete 'bricking' of the infotainment system: no navigation, no climate control, no reversing camera. Tesla offered a voluntary service update (MCU2 upgrade), but not all affected vehicles were retrofitted. Our inspector checks the MCU condition, the display's response time, and verifies whether the vehicle received the MCU2 upgrade.
Retractable door handles (Model S): mechanics and electronics
First-generation Model S cars (up to around 2021) have motor-retractable door handles — a design icon with a known weak spot: the handles' drive unit wears out, especially with frequent use and temperature swings. In the worst case, a faulty door handle means the door can no longer be opened from outside. Repairs are expensive and require qualified Tesla workshops. Our inspector tests all four door handles for correct extension and retraction as well as for audible noises during operation.
Suspension and control arms: creaking and wear (Model S, Model X)
The Model S and Model X are heavy vehicles — the weight of the battery pack stresses the suspension above average. Known weak spots are control-arm bushings that start to creak after a few years, ball joints, and the air suspension on the Model X (rear air-spring bags). Creaking when driving slowly over uneven surfaces is a classic early indicator. Our inspector lifts the vehicle, tests all suspension linkage points with a shake test, and assesses the driving behavior on the test drive.
Build quality and panel gaps (early Model 3, Model Y)
Tesla has made significant production improvements, but early Model 3 cars (production years 2019-2020) are known for uneven panel gaps, poorly fitting trim, and paint-quality issues — defects that Tesla itself admitted during the 'production hell' years. Early Model Y units (2021) showed similar symptoms too. Our inspector measures panel gaps, checks the trim for proper fit, and assesses the paint quality with the coating-thickness gauge.
Charge port and charge-port flap: mechanics and contacts
The charge port is the vehicle's electrical interface — and a mechanically and electrically stressed component. Frequent charging cycles, poor plug alignment, or damage can harm the contacts in the charge port. The motorized charge-port flap (depending on model and year) can jam due to wear or fault codes. Our inspector checks the charge-port flap for correct opening and closing, as well as the charge port for visible damage and oxidation.
High-voltage system fault codes and BMS data
The Battery Management System (BMS) logs all relevant battery parameters and fault states. Stored fault codes in the high-voltage system can point to cell imbalances, thermal events (overheating), or prior collision impacts on the battery pack — even when the vehicle appears flawless on the outside. Via Tesla's diagnostic interface, our inspector reads out all available fault codes and assesses their relevance to the vehicle's value.
Brakes: seizing due to regenerative braking
Tesla vehicles brake primarily through regenerative braking — the mechanical brakes are used far less than on combustion-engine cars. That sounds positive, but it has a known downside: brake discs and calipers tend to corrode and can seize or corrode evenly on vehicles with little brake use. The rear axle is particularly affected. Our inspector checks all four calipers for free movement, assesses disc condition and thickness, and tests the brake system on the test drive.
Water ingress and seals (tailgate, panoramic roof)
Several Tesla models have documented problems with seals at the tailgate and the panoramic roof — especially under the panoramic roof and at the tailgate's rubber seal, water can get into the interior or the boot. Water ingress in an electric vehicle is more critical than in a combustion car: moisture near high-voltage components or in the frunk area can cause long-term damage. Our inspector visually checks all seals, looks for water stains in the interior, and inspects the frunk and boot for traces of moisture.
Software version and over-the-air update history
Tesla regularly updates vehicle functions and parameters via over-the-air update. An outdated software version can mean the vehicle hasn't fixed known faults — or that the previous owner deliberately declined updates. Our inspector checks the current software version, compares it with the currently available release, and assesses whether essential safety or functional updates are missing.
Know the weak spots — ready to get your Tesla inspected?
Fixed price from 289 €, on-site appointment within a few days. We coordinate everything with the seller.
Frequently inspected Tesla models at checkdenwagen.de
Most often, our customers commission the Tesla used-car inspection for the Model 3 — Germany's best-selling electric car and accordingly plentiful on the used market. Next comes the Model Y, which has also reached very high volumes since its launch and is now appearing in relevant numbers on the used market. Model S and Model X are rarer, but warrant particular scrutiny because of their higher prices and their older, more wear-prone technology (MCU, door handles, air suspension on the Model X). On the Model S, special emphasis falls on the MCU condition and the retractable door handles; on the Model X, additionally on the rear air suspension and the falcon-wing doors. On the Model 3 and Model Y, the focus is on battery SoH, build quality (depending on model year), and the high-voltage fault memory. For all Tesla models the same holds true: an independent electric-car check is the only way to assess the battery condition without a conflict of interest — our page on the electric-car check gives you a comprehensive overview of all electric-vehicle-specific checkpoints.
How your Tesla inspection works — in three steps
Book online — in five minutes
Enter the vehicle location (postcode) and the listing link. Travel is included in the fixed price — no hidden costs. No phone call needed, no form chaos. The booking system also shows you whether your vehicle is better suited to the Standard or Premium package.
Inspector drives directly to the Tesla
An experienced automotive expert from our Germany-wide network coordinates the appointment directly with the seller. They inspect on-site for about 1.5 hours: SoH assessment via the diagnostic interface, high-voltage fault-memory read-out, MCU condition (on older Model S/X), build-quality check, suspension, brakes, and a test drive. You don't have to be there.
Digital report within 24 hours
You receive the full inspection report by email: all findings documented with photos, high-voltage fault codes explained, SoH assessment based on read-out charging data, paint thicknesses as a heatmap, an overall rating per inspection category. Clearly structured, free of jargon — ready to use in the negotiation or as grounds for walking away from the purchase.
Which package suits your Tesla?
Standard Check
Travel included
- Certified experts
- Engine check
- Transmission check
- OBD fault readout
- Brake inspection
- Paint thickness measurement
- Accident check
- Visual bodywork inspection
- Tire tread check
- Visual interior inspection
- Electronics function test
- Vehicle document check
- Photo documentation
- Seller rating
- Market price assessment
- Vehicle price comparison
- Repair cost estimate
- VIN lookup
Premium Check
Travel included
- Certified experts
- Engine check
- Transmission check
- OBD fault readout
- Brake inspection
- Paint thickness measurement
- Accident check
- Visual bodywork inspection
- Tire tread check
- Visual interior inspection
- Electronics function test
- Vehicle document check
- Photo documentation
- Seller rating
- Market price assessment
- Vehicle price comparison
- Repair cost estimate
- VIN lookup
- Everything in Standard plus market value, repair cost estimate, seller rating & VIN lookup.
Unsure which package suits your Tesla? Give us a call — we'll advise you free of charge: 030 301 32 327.
What our customers say
“I had my 5 Series inspected before buying — the report was very detailed and made my purchase decision so much easier.”
Emre E.
Berlin
“When the vehicle wasn't available for the viewing after all, the refund was completely hassle-free. Very fair and transparent.”
Bartosz K.
Hamburg
“The Premium package gave me a clear overview of the expected repair and maintenance costs. Exactly what I needed.”
Amir O.
Munich
“Excellent knowledge of the German car market, the dealer landscape and price ranges. Highly recommended.”
Denis B.
Cologne
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Learn moreFrequently asked questions about the Tesla used-car inspection
The Tesla used-car inspection costs from €289 in the Standard package and from €339 in the Premium package — each incl. VAT. Travel is included in the fixed price — no hidden costs. There's no hourly rate and no fine print.
Buy your Tesla with facts instead of gut feeling.
A battery with 20 percent less capacity, a bricking MCU, or seized brakes can quickly cost more than the entire price negotiation could ever save you. Our Tesla inspection gives you the facts — within 24 hours, from €289 incl. VAT and travel.